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To boldly go: on invasive goblin spiders in Brazil (Araneae, Oonopidae)

Audaciosamente indo: aranhas gnomo invasoras no Brasil (Araneae, Oonopidae)

ABSTRACT

Twelve non-native species of the spider family Oonopidae are recorded in Brazil: Brignolia dasysterna Platnick, Dupérré, Ott & Kranz-Baltensperger, 2011, B. parumpunctata (Simon, 1893), Triaeris stenaspis Simon, 1892, Ischnothyreus peltifer (Simon, 1892), I. velox Jackson, 1908, Opopaea concolor (Blackwall, 1859), O. deserticola Simon, 1892, Pelicinus marmoratus Simon, 1892, Heteroonops spinimanus (Simon, 1892), Gamasomorpha parmata (Thorell, 1890) (herein restored to its original combination in Xestaspis), Orchestina pavesiiformis Saaristo, 2007 and O. dentifera (Simon, 1893). Among these species, six new synonyms were detected: Hytanis oblonga Simon, 1893, Xestaspis bipeltis Thorell, 1895, Gamasomorpha insularis Simon, 1907 and Opopaea lutzi Petrunkevitch, 1929 with Xestaspis parmata Thorell, 1890; Gammasomorpha humilis Mello-Leitão, 1920 with Opopaea concolor (Blackwall, 1859) and Gamasomorpha rufa Banks, 1898 with Opopaea deserticola Simon, 1891. Since Hytanis oblonga is the type species of the genus, its synonymy with Xestaspis parmata imply in the synonymy of Hytanis Simon, 1893 with Xestaspis Simon, 1884. The partenogenetic species T. stenaspis is the most distributed synanthropic oonopid in Brazil, occurring all over the country, mainly in urban areas. Some species are reported here to occur in the interior of natural caves, a finding that should raise conservation concerns.

KEYWORDS
Spiders; synanthropy; distribution; conservation; globin spiders

RESUMO

Doze aranhas consideradas não-nativas da família Oonopidae são registradas em áreas urbanas no Brasil: Brignolia dasysterna Platnick, Dupérré, Ott & Kranz-Baltensperger, 2011, B. parumpunctata (Simon, 1893), Triaeris stenaspis Simon, 1892, Ischnothyreus peltifer (Simon, 1892), I. velox Jackson, 1908, Opopaea concolor (Blackwall, 1859), O. deserticola Simon, 1892, Pelicinus marmoratus Simon, 1892, Heteroonops spinimanus (Simon, 1892), Gamasomorpha parmata (Thorell, 1890) (aqui restaurada para sua combinação original em Xestaspis), Orchestina pavesiiformis Saaristo, 2007 and O. dentifera (Simon, 1893). Entre estas espécies, seis novos sinônimos foram detectados: Hytanis oblonga Simon, 1893, Xestaspis bipeltis Thorell, 1895, Gamasomorpha insularis Simon, 1907 e Opopaea lutzi Petrunkevitch, 1929 com Xestaspis parmata Thorell, 1890; Gammasomorpha humilis Mello-Leitão, 1920 com Opopaea concolor (Blackwall, 1859) e Gamasomorpha rufa Banks, 1898 with Opopaea deserticola Simon, 1891. Uma vez que Hytanis oblonga é a espécie-tipo do gênero, sua sinonímia com Xestaspis parmata implica na sinonímia de Hytanis Simon, 1893 com Xestaspis Simon, 1884. Triaeris stenaspis, uma espécie partenogenética, é o oonopídeo sinantrópico com distribuição mais ampla no Brasil, ocorrendo de norte a sul do país, principalmente em áreas urbanas. Algumas espécies relatadas aqui ocorrem no interior de cavernas naturais, uma descoberta que deve levantar preocupações em relação à conservação das espécies nativas de cavernas.

PALAVRAS-CHAVE
Aranhas; animais sinantrópicos; distribuição; conservação; aranhas gnomo

The theme of invasive species and the discussion on the artificial introduction of species from one continent to another have been amplified in recent years (Thompson, 2014Thompson, K. 2014. Where do camels belong? Vancouver/Berkeley, Greystone Books. 262p.; Pearce, 2015Pearce, F. 2015. The new wild: why invasive species will be nature’s salvation. Boston, Beacon Press. 245p.), with most studies involving vertebrates (Long, 1981Long, J. 1981. Introduced Birds of the World: The worldwide history, distribution, and influence of birds introduced to new environments. New York, Universe Books. 528p., 2003Long, J. 2003. Introduced Mammals of the World: their History, Distribution and Abundance. CSIRO Publishing, Collingwood, Victoria, Australia, and CABI Publishing, Wallingford, United Kingdom, 589p.; Kraus, 2009Kraus, F. 2009. Alien Reptiles and Amphibians. Springer, Berlin. 563p.) or invertebrates from terrestrial or aquatic urban ecosystems (Dee Boersma et al., 2006Dee Boersma, P.; Reichard S. & Van Buren, A. N. 2006. Invasive species in the Pacific Northwest. Washington, University of Washington Press. 276p.).

Invasions of alien spiders on the Neotropical Region are yet poor studied. Most of the available papers are descriptive (Carvalho et al., 2007Carvalho, L. S.; Bonaldo, A. B. & Brescovit, A. D. 2007. The first record of the family Cithaeronidae (Araneae, Gnaphosoidea) to the new world. Revista Brasileira de Zoologia 24:512-514.; Almeida-Silva & Brescovit, 2008Almeida-Silva, L. M. & Brescovit, A. D. 2008. First record of Zimiris doriai (Araneae, Prodidomidae) in Brazil. The Journal of Arachnology 35:554-556.; Ott & Brescovit, 2013Ott, R. & Brescovit, A. D. 2013. First record of Cithaeron reimoseri (Araneae: Cithaeronidae) from the New World and first record of the family from southern Brazil. Check List 9:1594-1595.; Pompozzi et al., 2013Pompozzi, G.; Peralta, L. & Simó, M. 2013. The invasive spider Badumna longinqua (L. Koch, 1867) (Araneae: Desidae) in Argentina: New distributional records, with notes on its expansion and establishment. Check List 9:218-221.; Ruiz & Bonaldo, 2013Ruiz, G. R. S. & Bonaldo, A. B. 2013. Vagabond but elusive: two newcomers to the eastern Amazon (Araneae: Cithaeronidae; Prodidomidae). Zootaxa 3694:92-96.; Taucare-Ríos & Bustamante, 2015Taucare-Ríos, A. & Bustamante, R. O. 2015. Alien spiders in Chile: evaluating Darwin’s naturalization hypothesis. Journal of Arachnology 43:90-96.) and just a few deals with the relations of the studied species with their environments (Malumbres-Olarte, 2015Malumbres-Olarte, J.; Barratt, B. I. P.; Vink, C. J.; Paterson, A. M.; Cruickshank, R. H.; Ferguson, C. M. & Barton, D. M. 2015. Big and aerial invaders: dominance of exotic spiders in burned New Zealand tussock grasslands. Biological Invasions 16:2311-2322.; Rodríguez-Rodríguez et al., 2015Rodríguez-Rodríguez, S. E.; Solís-Catalán, K. P. & Valdez-Mondragón, A. 2015. Diversity and seasonal abundance of anthropogenic spiders (Arachnida: Araneae) in different urban zones of the city of Chilpancingo, Guerrero, Mexico. Revista Mexicana de Biodiversidad 86:962-71.). Nevertheless, the handful studies carried on in Brazil have been showing a large number of invasive or synanthropic spiders and the list of those spiders in Brazilian territory depicts today at least fifty species (Brescovit, 2002Brescovit, A. D. 2002. Aranhas da cidade de São Paulo: espécies de importância médica, sinantrópicas e controle. Biológico61:31-32.; Indicatti & Brescovit, 2008Indicatti, R. P. & Brescovit, A. D. 2008. Aranhas (Arachnida, Araneae) do Município de São Paulo. In: Malagoli, L. R.; Bajesteiro, F. B. & Whately M. orgs. Além do concreto: contribuições para a proteção da biodiversidade paulistana. São Paulo, Instituto Socioambiental, p. 54-89.; Simó et al., 2015Simó, M.; Laborda, A.; Núñez, M. & Brescovit, A. D. 2015. First records of the invasive spider Badumna longinqua (L. Koch) (Desidae) in southern Brazil with notes on the habitats and the species’ dispersion. CheckList 11:1533-1535.).

The recognition of a given species as alien to a certain country or continent depends on the availability of reliable taxonomic data across large geographical regions. The taxonomic impediment to recognize patters of biological invasions is particularly acute for megadiverse, poorly known arthropod groups. The spider family Oonopidae provides an excellent example in that context. This family has been subject of a worldwide coordinated effort to forward its taxonomic knowledge through the Goblin Spider Planetary Biodiversity Inventory project (PBI-Oonopidae), sponsored by NSF/AMNH. Before this project, Oonopidae was one of the poorest-known spider families and faunistic papers invariably depicted extremely low systematic resolutions for this taxon (Abrahim et al., 2012Abrahim, N.; Brescovit, A. D.; Rheims, C. A.; Santos, A. J.; Ott, R. & Bonaldo, A. B. 2012. A revision of the Neotropical goblin spider genus NeoxyphinusBirabén, 1953 (Araneae, Oonopidae). American Museum Novitates 3743:1-75.). During the activity peak of the PBI-Oonopidae between 2009 to 2014 the number of known species increased in nearly 300%. The efforts of the research group in that period raised the assigned species to the family from 472 to 1,600 (World Spider Catalog, 2019World Spider Catalog 2019. World Spider Catalog. Version 19.5. Natural History Museum Bern. Available at Available at http://wsc.nmbe.ch . Accessed on 15 March 2019.
http://wsc.nmbe.ch...
). Furthermore, due to the revisional approach adopted by the project, several previously unknown lineages were recognized and general patterns of geographic distribution of these lineages were brought to light (Álvarez-Padilla et al., 2012Álvarez-Padilla, F.; Ubick, D. & Griswold, C. E. 2012. Noideattella and Tolegnaro, two new genera of goblin spiders from Madagascar, with comments on the gamasomorphoid and silhouettelloid oonopids (Araneae, Oonopidae). American Museum Novitates 3745:1-76.; Thoma et al., 2014Thoma, M.; Kranz-Baltensperger, Y.; Kropf, C.; Graber, W.; Nentwig, W. & Frick, H. 2014. The new Southeast Asian goblin spider genus Aposphragisma (Araneae, Oonopidae): diversity and phylogeny. Zootaxa 3798:1-86.). While most Oonopidae species are microdistributed, presenting a great potential in the recognition of areas of endemism, a small set of species are seemingly synanthropic and have attained Pantropical or almost cosmopolitan distributions (Platnick & Dupérré, 2009aPlatnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43.; Platnick et al., 2012aPlatnick, N. I.; Dupérré, N.; Ubick, D. & Fannes, W. 2012a. Got males? The enigmatic goblin spider genus Triaeris (Araneae, Oonopidae). American Museum Novitates 3756:1-36.), boldly going where no other representative of their respective lineages has gone before.

Recently, studying substantial material of Brazilian oonopids, we detected twelve non-native species established today in Brazilian territory. Several of these species were apparently introduced relatively earlier (Tab. I) and are today established in large populations in urban areas, parks, houses and even in cave systems. The taxonomic status of the majority of these species was well defined in previous PBI-Oonopidae papers, but the examination of a large number of type specimens during the project allowed the discovery of six additional synonymies under the species here studied.

MATERIAL AND METHODS

The material examined and types cited belongs to the following institutions: AMNH, American Museum of Natural History, New York (curator: L. Prendini); BMNH, Natural History Museum, London (J. Beccaloni); HUJ, Hebrew University of Jerusalem, Jerusalem (A. Chipman); IBSP, Instituto Butantan, São Paulo (A. D. Brescovit); INPA, Instituto Nacional de Pesquisas da Amazônia, Manaus (C. Magalhães); MCN, Museu de Ciências Naturais, Fundação Zoobotânica do Rio Grande do Sul, Porto Alegre (R. Ott); MCTP, Museu de Ciências e Tecnologia, Pontifícia Universidade Católica, Porto Alegre (R. A. Teixeira); MCZ, Museum of Comparative Zoology, Harvard University, Cambridge (G. Giribet); MNHN, Muséum National d’Histoire Naturelle, Paris (C. Rollard); MNRJ, Museu Nacional, Universidade Federal do Rio de Janeiro, Rio de Janeiro (A. B. Kury); MPEG, Museu Paraense Emílio Goeldi, Belém (A. B. Bonaldo); MRAC, Musée Royal de l’Afrique Centrale, Tervuren (R. Jocqué); MZSP, Museu de Zoologia, Universidade de São Paulo, São Paulo (R. Pinto da Rocha); MZUT, Zoological Museum, Univesity of Turku, Turku (S. Koponen); SMNK, Staatliches Museum für Naturkunde Karlsruhe, Karlsruhe (H. Höfer).

Morphological observations were made using a Leica MZ12 stereomicroscope. Photographs were taken with a Leica DFC 500 digital camera mounted on a Leica MZ 16A stereomicroscope and extended focal range images were composed with Leica Application Suite version 2.5.0, at IBSP. Other images were taken through a Zeiss Standard compound microscope with attached Canon A620 camera and processed with Helicon Focus 5.3 multi-range program (Kozub et al., 2012Kozub, D.; Khmelik, K.; Shapoval, J.; Chentsov, V.; Litovschenko, B. & Starikh, V. 2012. Helicon Focus 5.3. Helicon Focus Ltd. Available at <Available at https://www.heliconsoft.com/ >. Accessed on 12 Oct 2018.
https://www.heliconsoft.com/...
), at MCN. All figures were edited using Adobe Photoshop CS5 ver. 12.0. Maps were produced using QGIS 3.2.1 and edited in Adobe Photoshop CS6.

TAXONOMY

Brignolia dasysterna Platnick, Dupérré, Ott & Kranz-Baltensperger, 2011Platnick, N. I.; Dupérré, N.; Ott, R. & Kranz-Baltensperger, Y. 2011. The goblin spider genus Brignolia (Araneae, Oonopidae). Bulletin of the American Museum of Natural History 349:1-131.

(Figs 1-6, 58)

Brignolia dasysternaPlatnick et al., 2011:32, figs 95-141Platnick, N. I.; Dupérré, N.; Ott, R. & Kranz-Baltensperger, Y. 2011. The goblin spider genus Brignolia (Araneae, Oonopidae). Bulletin of the American Museum of Natural History 349:1-131.. Male holotype and female allotype taken in Berlese samples of young hammock forest litter at Deering Estate Park, SW 167th St. and SW 72nd Ave., South Miami, Dade Co., Florida, USA,1.VI-25.VIII.1986, J. & S. Peck leg., in AMNH 37534, PBI_OON 1270, not examined.

Brignolia cubana: Freitas et al., 2013:9-10, Freitas, G. C. C.; Brescovit, A. D. & Vasconcelos, S. D. 2013. Spider diversity on the oceanic island of Fernando de Noronha, Brazil, and implications for species conservation. Journal of Insect Science 13:1-16. 15 (misidentification).

Diagnosis. Brignolia dasysterna can be easily separated from autochthone Neotropical oonopids and from B. parumpunctata by the absence of ventral directed protrusion situated medially on the clypeus (see Platnick et al., 2011, fig. 96Platnick, N. I.; Dupérré, N.; Ott, R. & Kranz-Baltensperger, Y. 2011. The goblin spider genus Brignolia (Araneae, Oonopidae). Bulletin of the American Museum of Natural History 349:1-131.), modified setae on the male sternum (Fig. 3), male palp with small protrusion on the palpal bulb (Figs 5, 6; Platnick et al., 2011, figs 103-108Platnick, N. I.; Dupérré, N.; Ott, R. & Kranz-Baltensperger, Y. 2011. The goblin spider genus Brignolia (Araneae, Oonopidae). Bulletin of the American Museum of Natural History 349:1-131.) and females by the low protrusion situated between the epigastric furrow and the groove connecting the posterior spiracles (Fig. 4).

Description. Male and female, see Platnick et al., 2011:32, figs 95-141Platnick, N. I.; Dupérré, N.; Ott, R. & Kranz-Baltensperger, Y. 2011. The goblin spider genus Brignolia (Araneae, Oonopidae). Bulletin of the American Museum of Natural History 349:1-131..

Distribution. This species was recently described by Platnick et al. (2011Platnick, N. I.; Dupérré, N.; Ott, R. & Kranz-Baltensperger, Y. 2011. The goblin spider genus Brignolia (Araneae, Oonopidae). Bulletin of the American Museum of Natural History 349:1-131.) as being restrict to southern Florida, USA. It is recorded here to occur in at least four states of north and northeast Brazil (Fig. 58), where it may have been introduced earlier than in the USA. Freitas et al. (2013Freitas, G. C. C.; Brescovit, A. D. & Vasconcelos, S. D. 2013. Spider diversity on the oceanic island of Fernando de Noronha, Brazil, and implications for species conservation. Journal of Insect Science 13:1-16.) found a large population of Brignolia dasysterna (sub Brignolia cubana) in Fernando de Noronha archipelago.

Material examined. BRAZIL. Pará: Uruará (03°43’03”S - 53°44’14”W), 3♀, 2014, R. L. Cajaiba leg. (IBSP 166582; IBSP 166583); Belém, Campus IPEAN (01°24’46.14” -01°28’4.11”S - 48°20’4.6”- 48°20’31.84”W), 2♂ ♀, 2.V.1974, R. Schuh (AMNH PBI_OON 485-487); Pernambuco: Fernando de Noronha, Arquipélago de Fernando de Noronha (03°50’57.2814”S - 32°24’10.7922”W), 51♂ 55♀, X.2005-IV.2006, G. Freitas leg. (IBSP 67112-67143; IBSP 67726-67736; IBSP 67852-67882); Tocantins: Porto Nacional, urban area (10°42’S - 48°25’W), ♀, 14-23.XI.2003, I. Knysak & R. Martins leg. (IBSP 92232); Bahia: Salvador, Baía de Aratu, Ponte do Fernandinho (12°47’32.8”S - 38°28’15.3”W); ♀, 13.IX.2004, K. Benati leg. (IBSP 58898); Ipiaú (14°8’18.8844”S - 39°45’47.6028”W), ♂, 2008, J. Cardoso leg. (IBSP 121852).

Brignolia parumpunctata (Simon, 1893)

(Figs 7-12, 58)

Figs 1-12
Figs 1-6, Brignolia dasysternaPlatnick, Dupérré, Ott & Kranz-Baltensperger, 2011Platnick, N. I.; Dupérré, N.; Ott, R. & Kranz-Baltensperger, Y. 2011. The goblin spider genus Brignolia (Araneae, Oonopidae). Bulletin of the American Museum of Natural History 349:1-131., male: 1, dorsal; 3, modified hairs in the sternum; 5, palp, retrolateral; 6, palp, prolateral. Female: 2, dorsal; 4, genitalia, ventral. Figs 7-12, Brignolia parumpunctata (Simon, 1893), male: 7, dorsal; 9, projection of clypeus; 11, palp prolateral; 12, palp retrolateral. Female: 8, dorsal; 10, genitalia, ventral.

Xestaspis parumpunctataSimon, 1893a:305Simon, E. 1893a. Études arachnologiques. 25e Mémoire. XL. Descriptions d’espèces et de genres nouveaux de l’ordre des Araneae. Annales de la Société Entomologique de France 62:299-330.. Female holotype from Sierra Leone, no specific locality, in MNHN.

Gamasomorpha perplexaBryant, 1942:325, figs 11-12, 18Bryant, E. B. 1942. Notes on the spiders of the Virgin Islands. Bulletin of the Museum of Comparative Zoology 89:317-366.. Male holotype from Saint Croix, Virgin Islands, in MCZ; Platnick et al., 2011:15Platnick, N. I.; Dupérré, N.; Ott, R. & Kranz-Baltensperger, Y. 2011. The goblin spider genus Brignolia (Araneae, Oonopidae). Bulletin of the American Museum of Natural History 349:1-131. (Syn.).

Opopaea reconditaChickering, 1951:231, figs 18-19Chickering, A. M. 1951. The Oonopidae of Panama. Bulletin of the Museum of Comparative Zoology 106:207-245.. Female holotype from Canal Zone Biological Area [= Barro Colorado Island], Panama, Panama, in MCZ; Platnick et al., 2011:15Platnick, N. I.; Dupérré, N.; Ott, R. & Kranz-Baltensperger, Y. 2011. The goblin spider genus Brignolia (Araneae, Oonopidae). Bulletin of the American Museum of Natural History 349:1-131. (Syn.).

Brignolia cubana Dumitrescu & Georgescu, 1983:107, pl. 22, figs 1-8Dumitrescu, M. & Georgescu, M. 1983. Sur les Oonopidae (Araneae) de Cuba. Résultats des Expéditions Biospéologiques Cubano-Roumaines à Cuba 4:65-114.. Male holotype from Estacíon Ecológica Siboney, Santiago de Cuba, Cuba, in Institut de Spéologie, Bucharest; Platnick et al., 2011:15Platnick, N. I.; Dupérré, N.; Ott, R. & Kranz-Baltensperger, Y. 2011. The goblin spider genus Brignolia (Araneae, Oonopidae). Bulletin of the American Museum of Natural History 349:1-131. (Syn.).

Brignolia recondita: Platnick & Dupérré, 2009a:4Platnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43..

Brignolia parumpunctata: Platnick et al., 2011:14Platnick, N. I.; Dupérré, N.; Ott, R. & Kranz-Baltensperger, Y. 2011. The goblin spider genus Brignolia (Araneae, Oonopidae). Bulletin of the American Museum of Natural History 349:1-131..

Diagnosis. Brignolia parumpunctata can be easily separated from B. dasysterna by the males having a ventrally directed protrusion situated medially on the clypeus (Fig. 9; Platnick et al., 2011: fig. 21Platnick, N. I.; Dupérré, N.; Ott, R. & Kranz-Baltensperger, Y. 2011. The goblin spider genus Brignolia (Araneae, Oonopidae). Bulletin of the American Museum of Natural History 349:1-131.) and by the distinctive curled dorsal protrusion on the palpal bulb (Figs 11, 12; Platnick et al., 2011: figs 31-32Platnick, N. I.; Dupérré, N.; Ott, R. & Kranz-Baltensperger, Y. 2011. The goblin spider genus Brignolia (Araneae, Oonopidae). Bulletin of the American Museum of Natural History 349:1-131.). Females can be easily recognized by the rounded, elevated protrusion situated between the epigastric furrow and by the groove connecting the posterior spiracles (Fig. 10).

Description. Male and female, see Platnick et al., 2011:14, figs 1-94Platnick, N. I.; Dupérré, N.; Ott, R. & Kranz-Baltensperger, Y. 2011. The goblin spider genus Brignolia (Araneae, Oonopidae). Bulletin of the American Museum of Natural History 349:1-131..

Distribution. This species has a Pantropical distribution, occurring in the Americas, Africa, Southern Asia, Pacific Islands and Australia. Platnick et al., 2011:31Platnick, N. I.; Dupérré, N.; Ott, R. & Kranz-Baltensperger, Y. 2011. The goblin spider genus Brignolia (Araneae, Oonopidae). Bulletin of the American Museum of Natural History 349:1-131., reported only one previously Brazilian record, in the state of Pará, norther Brazil. Here it is recorded in areas of north, northeast and southeast Brazil (Fig. 58). According to Platnick et al. (2011)Platnick, N. I.; Dupérré, N.; Ott, R. & Kranz-Baltensperger, Y. 2011. The goblin spider genus Brignolia (Araneae, Oonopidae). Bulletin of the American Museum of Natural History 349:1-131., this species may have an Asian origin, where the bulk of the genus diversity is from.

Material examined. BRAZIL. Rondônia: Porto Velho, Campo Experimental da EMBRAPA (08°48’9.7878”S - 63°49’48.1188”W), ♂, 2008, L. S. P. Trigueiro & C. A. D. Teixeira et al. leg. (IBSP 121507); Pará: Belém, Campus IPEA, 2♂, ♀, 02.V.1974, R. Schuh leg. (AMNH, PBI_OON 485-487); Pernambuco: São Lourenço da Mata, Estação Ecológica de Tapacurá (08°0’39.8088”S - 35°5’2.8422”W), 2♂, 2008, C. Valença leg. (IBSP 97891, 97892); Minas Gerais: Belo Horizonte, Campus UFMG, Estação Ecológica da UFMG (19°52’S - 43°58’W), 3♂, 29.III.2000, É. S. S. Álvares & C. S. Azevedo leg. (IBSP 27202); 2♂, 10♀, IX.1999-II.2001, É. S. S. Álvares, E. O. Machado & C. S. Azevedo leg. (IBSP 32350); 4♂, XII.2000-I.2001, É. S. S. Álvares leg. (IBSP 66797); 5♂, I.2001, É. S. S. Álvares leg. (IBSP 66801); 2♂, II.2001 (IBSP 67303); Jaboticatubas, Serra do Cipó, Parque Nacional da Serra do Cipó (19°15’S - 43°31’W), 31♂, 21♀, 07-14.X.2002‒26.VI.2003, Equipe Biota leg. (IBSP 69443, 69445-69476); Marliéria, Parque Estadual do Rio Doce (19°48’/19°29’S - 42°38’/42°28’W), 18♂, 20♀, 01-10.IX.2003, Equipe Biota leg. (IBSP 144583-144597); Bahia: Salvador, Baía de Aratu, Ponte do Fernandinho (12°47’32.8”S - 38°28’15.3”W), 18♂, ♀, 13.IX.2004, K. Benati leg. (IBSP 58842, 58843, 58852, 58863, 58869, 58874, 58875, 58877, 58883, 58884, 58901, 58906, 58907, 58915, 58917, 58922, 58938, 58970, 58976, 59013, 59019); Parque da Cidade Joventino Silva (12°59’57.6522”S - 38°28’11.1606”W), ♂, 22.VIII-03.IX.2008, C. Queiroz & D. Mendes leg. (IBSP 125569); Baía de Aratu (12°47’32.8”S - 38°28’15.3”W), 42♂ 8♀, 2007-2008, K. Benati leg. (IBSP 125210, 125260, 125289, 126033, 126035-126039, 126044, 126047, 126051-126056, 126058, 126060, 126064-126065, 126067-126068, 126074, 126077-126078, 126080, 126083-126085, 126087, 126091-126092, 126094, 126097, 126100, 126104, 126106, 126111-126112, 126114, 126116, 126118-126125, 126128, 126130, 126134); Ilhéus, CEPLAC (14°47’45.5712”S - 39°11’25.2024”W, 5♂, 2♀, 11.IV.1998, A. D. Brescovit et al. leg. (IBSP 19206, 19211, 19220, 19290, 19302); 2♂, 14♀, 24.VII.1998 (IBSP 36122); 2♂, 18.IV.2007 - 06.IX.2007, P. P. Santos leg. (IBSP 98012, 98042); Una, Reserva Ecológica do Una (15°17’48”S - 39°04’28”W), ♂, X.1999 - IX.2000, M. F. Dias leg. (IBSP 64428); Itapetinga, Parque Municipal da Matinha (15°15’43.8618”S - 40°17’44.9376”W), ♂, III-IV.2003, J. P. S. Alves leg. (IBSP 66457); Rio de Janeiro: Volta Redonda, Mata da Cicuta (22°33’2.016”S - 44°5’31.7328”W), ♀, 11-18.VI.2003, F. S. Cunha leg. (IBSP 44865); 5♂, 2♀, 04-11.III.2002 - 11-18.VI.2001, Equipe Biota leg. (IBSP 136203-136208); ♂, 11.III.2002, E. F. Ramos leg. (IBSP 144105); Paraíba do Sul, Fazenda Maravilha, ♂, 17-21.VIII.2001, Equipe Biota leg. (IBSP 136639); Resende, Mata das Indústrias Nucleares (22°31’2.2326”S - 44°39’10.7748”W), ♂, VII-IX.2007, E. F. Ramos leg. (IBSP 97542); São Paulo: São Paulo, Campus USP, Mata do Cuaso (23°33’54.9432”S - 46°43’43.9608”W), ♂, 16-23.XI.1999, D. F. Candiani leg. (IBSP 42190); Campus Instituto Butantan, Mata do Butantan (23°33’59.493”S - 46°43’14.7612”W), ♂, 12-19.XII.1999, D. F. Candiani leg. (IBSP 68979).

Triaeris stenaspis Simon, 1891Simon, E. 1891. On the spiders of the island of St. Vincent. Part 1. Proceedings of the Zoological Society of London 1891:549-575.

(Figs 13, 14, 60)

Triaeris stenaspisSimon, 1891:561Simon, E. 1891. On the spiders of the island of St. Vincent. Part 1. Proceedings of the Zoological Society of London 1891:549-575.. Syntype female from Saint Vincent in MNHN and females syntypes from same locality in the BMNH; Platnick et al., 2012a:22, figs 1-40Platnick, N. I.; Dupérré, N.; Ubick, D. & Fannes, W. 2012a. Got males? The enigmatic goblin spider genus Triaeris (Araneae, Oonopidae). American Museum Novitates 3756:1-36..

Triaeris patellarisBryant, 1940:268, fig. 4Bryant, E. B. 1940. Cuban spiders in the Museum of Comparative Zoology. Bulletin of the Museum of Comparative Zoology 86:247-532.. Female holotype from Soledad, Cienfuegos, Cuba, in MCZ; examined; Chickering, 1968b:358, figs 14-18Chickering, A. M. 1968b. The genus Triaeris Simon (Araneae, Oonopidae) in Central America and the West Indies. Psyche75:351-359. (Syn.).

Triaeris berlandiLawrence, 1952:5, figs 3a-fLawrence, R. F. 1952. A collection of cavernicolous and termitophilous Arachnida from the Belgian Congo. Revue de Zoologie et de Botanique Africaines 46:1-17.. Female holotype from Thysville [= Mbanza-Ngungu], DR Congo, in Musée Royal de l’Afrique Centrale, Tervuren; Platnick et al., 2012a:23Platnick, N. I.; Dupérré, N.; Ubick, D. & Fannes, W. 2012a. Got males? The enigmatic goblin spider genus Triaeris (Araneae, Oonopidae). American Museum Novitates 3756:1-36. (Syn.)

Triaeris lepusSuman, 1965:235, figs 27-31Suman, T. W. 1965. Spiders of the family Oonopidae in Hawaii. Pacific Insects 7:225-242.. Female holotype from Puu Papaa Peak, Kaneohe, Oahu, Hawaii, in Bishop Museum; Platnick et al., 2012a:23Platnick, N. I.; Dupérré, N.; Ubick, D. & Fannes, W. 2012a. Got males? The enigmatic goblin spider genus Triaeris (Araneae, Oonopidae). American Museum Novitates 3756:1-36. (Syn.).

Triaeris lacandonaBrignoli, 1974a:208Brignoli, P. M. 1974a. Notes on spiders, mainly cave-dwelling, of southern Mexico and Guatemala (Araneae). Quaderno, Accademia Nazionale dei Lincei 171:195-238., figs 4A-F. Female holotype from Cueva de Yaxchilan, Peten, Guatemala, depository unknown; Brignoli, 1975aBrignoli, P. M. 1975a. Über die Gruppe der Haplogynae (Araneae). Proceedings of the 6th International Arachnological Congress, Amsterdam, p. 33-38.:34, figs 1H-J; Platnick et al., 2012a:23Platnick, N. I.; Dupérré, N.; Ubick, D. & Fannes, W. 2012a. Got males? The enigmatic goblin spider genus Triaeris (Araneae, Oonopidae). American Museum Novitates 3756:1-36. (Syn.).

Diagnosis. Triaeris stenaspis is known only by females, easily recognized by their orange color, genitalia occupying the greater part of the postepigastric scutum, with a median longitudinal slit and internally with sinuous and distally squiggled duct, visible by transparence (Fig. 14).

Description. Female, see Platnick et al., 2012a:22, figs 1-40Platnick, N. I.; Dupérré, N.; Ubick, D. & Fannes, W. 2012a. Got males? The enigmatic goblin spider genus Triaeris (Araneae, Oonopidae). American Museum Novitates 3756:1-36.

Biology. The taxonomic status of the pantropical goblin spider Triaeris stenaspis was defined by Platnick et al. (2012aPlatnick, N. I.; Dupérré, N.; Ubick, D. & Fannes, W. 2012a. Got males? The enigmatic goblin spider genus Triaeris (Araneae, Oonopidae). American Museum Novitates 3756:1-36.). Presently, this species is well established in many parts of the world (Koponen, 1997Koponen, S. 1997. Triaeris stenaspis (Araneae, Oonopidae) found in the Botanical Garden of the University of Turku, Finland. Entomologica Fennica 8:7. ; Kielhorn, 2008Kielhorn, K.-H. 2008. A glimpse of the tropics-spiders (Araneae) in the greenhouses of the Botanic Garden Berlin-Dahlem. Arachnologische Mitteilungen 36:26-34.; Korenko et al., 2009Korenko, S.; Šmerda, J. & Pekár, S. 2009. Life-history of the parthenogenetic oonopid spider, Triaeris stenaspis (Araneae: Oonopidae). European Journal of Entomology 106:217-223.; Platnick et al., 2012aPlatnick, N. I.; Dupérré, N.; Ubick, D. & Fannes, W. 2012a. Got males? The enigmatic goblin spider genus Triaeris (Araneae, Oonopidae). American Museum Novitates 3756:1-36.) and apparently sustained populations are present in various continents. Korenko et al. (2009)Korenko, S.; Šmerda, J. & Pekár, S. 2009. Life-history of the parthenogenetic oonopid spider, Triaeris stenaspis (Araneae: Oonopidae). European Journal of Entomology 106:217-223. showed that at least one population from Czech Republic is parthenogenetic. Since no males were found with sampled females so far, including the 200 records here reported, parthenogenesis might actually be true for all known populations of this species. Triaeris stenaspis occur from north to south Brazil, being very common in the ground at urban parks. The invasion of this species in Brazilian territory might occurred long ago, giving its wide distribution in the country and the fact that it is not strictly peri-domiciliar, collected as well in forest litter and even in natural caves, but the first known record of this species in Brazil dates as recently as 1996. The large number of records reported here from natural caves in the states of Tocantins, Goiás and Minas Gerais might be cause for conservation concerns. Since this species appears to be a dominating faunistic component in those cavities, it may represent danger for autochthones species in these sensible environments.

Distribution. This Pantropical species have a wide distribution range in Brazil, occurring mainly in urban areas (Fig. 60). Platnick et al. (2012aPlatnick, N. I.; Dupérré, N.; Ubick, D. & Fannes, W. 2012a. Got males? The enigmatic goblin spider genus Triaeris (Araneae, Oonopidae). American Museum Novitates 3756:1-36.) hypothesized that Triaeris belongs to a West African sub-group of the Zyngoonops group of genera, a large putatively monophyletic lineage with representatives in both the Neotropics and Africa. Under this assumption, Triaeris stenaspis would be an African species in origin, which attained a Pantropical distribution.

Material examined. BRAZIL, Acre: Senador Guiomard, Reserva Extrativista Catuaba (10°12’51.4584”S - 67°45’17.1216”W), 5♀, 2002, E. Morato et al. leg. (IBSP 86836, 86850, 86873, 86879, 86920); Pará: Uruará (03°43’4”S - 53°44’13”W), 2♀, 2014, R. L. Cajaiba leg. (IBSP 166581); Tocantins: Dianópolis, Gruta Vozinha (11°27’36”S - 46°51’00”W), 3♀, 04-09.XII.2007, R. Andrade et al. leg. (IBSP 97622); Gruta Areia (11°27’36”S - 46°51’00”W), 4♀, 04-09.XII.2007, R. Andrade et al. leg. (IBSP 97640); Gruta 3 Morros III (11°27’36”S 46°51’00”W), ♀, 21-29.V.2008, F. Pellegatti Franco et al. leg. (IBSP 134439); Goiás: São Domingos, Lapa de São Bernardo II (16°34’31.26”S - 49°10’32.307”W), 5♀, 18.IX.1997, P. Gnaspini et al. leg. (IBSP 23729, 23730); Lapa de Terra Ronca II (16°34’31.26”S - 49°10’32.307”W), 2♀, 20.IX.1997, P. Gnaspini et al. leg. (IBSP 23741, 23743); 3♀ 4 imm., 19.IX.1997, P. Gnaspini et al. leg. (IBSP 23746); Parque Estadual de Terra Ronca, Caverna Angélica (16°34’31.26”S - 49°10’32.307”W), 9♀, 6 imm, 06-09.IX.2000, F. P. Franco leg. (IBSP 26050, 26053, 26054, 26070, 26072); Parque Estadual de Terra Ronca, Caverna Passa Três (16°34’31.26”S - 49°10’32.307”W), 7♀, 5 imm., 03-05.IX.2000, C. A. Rheims & F. P. Franco leg. (IBSP 26064, 26077, 26079, 26080); Morrinhos, Parque Ecológico Jatobá Centenário (17°43’36”S - 49°07’55”W), 2♀, XII.2006 - VIII.2007, R. C. Santana leg. (IBSP 140921); Mato Grosso, Primavera do Leste, Gruta KNL-1-S1EMAL004 (181326E - 8383239mN), ♀, 12-20.VIII.2014, Equipe Spelayon leg. (IBSP 166573); Mato Grosso do Sul: Campo Grande, Reserva UCDB (20°24’50.0256”S -54°36’55.854”W); 2♀, 07.IV.1997, K. O. Vieira leg. (IBSP 38355); Inocência, Fazenda Lagoinha (19°17’03”S - 51°03’06”W), ♀, 18.XI.2004, J. Raizer leg. (IBSP 68030); Anastácio, Fazenda Jatiuca (20°31’54”S - 55°50’27”), ♀, 16-26.II.2008, R. Bessi leg. (IBSP 127638); Ivinhema (22°31’19.1856”S - 53°50’49.1676”W), 34♀, X.2004-XII.2006, K. Anjos leg. (IBSP 92829, 92833, 92839‒92866); Bahia: Jaguaripe (13°10’01”S - 39°00’04”W), ♀, 02.III.2011, C. M. P. Leite leg. (IBSP 166609); Wenceslau Guimarães (13°34’32”S - 39°42’25”W), ♀, 21.I.2011, C. M. P. Leite leg. (IBSP 166610); Salvador, Baia do Aratu (12°47’32.8”S - 38°28’15.3”W), 5♀, 2008-2009, K. Benati (IBSP 126081, 126090, 126101, 126103, 126109); Ponte do Fernandinho (12°47’32.8”S - 38°28’15.3”W), 9♀, 13.IX.2004, K. Benati leg. (IBSP 58840‒58841, 58860, 58893; 58897, 58902, 58918, 58939, 59023); Itapetinga, Parque Municipal da Matinha (15°15’43.8618”S - 40°17’44.9376”W), ♀, III-IV.2003, J. P. S. Alves leg. (IBSP 66524); Una, Reserva Ecológica de Una (15°17’48”S - 39°04’28”W), 4♀, X.1999-IX.2000, M. F. Dias leg. (IBSP 64221, 65268, 65350); Minas Gerais: Prudente de Morais, Fazenda Sapé (19°28’8.2344”S - 44°5’31.7328”W), 2♀, 13.X.2001, É. S. S. Álvares leg. (IBSP 44224, 44232); Uberlândia, Estação Ecológica do Panga (19º11’10”S - 49º23’30”W), 3♀, IV.2005-II.2006, M. F. Mineo leg. (IBSP 92663-92665); Belo Horizonte, Estação Ecológica da UFMG (19°52’S - 43°58’W), 8♀, I.2001, É. S. S. Álvares leg. (IBSP 66796, 66798, 66800); Estação Ecológica da UFMG, Mata do Sossego (19°52’S - 43°58’W), ♀, II.2001, É. S. S. Álvares, E. O. Machado & C. S. Azevedo leg. (IBSP 68573); Belo Horizonte, COPASA (20°10’S - 44°21’W), ♀, IV.2002, Equipe Biota (IBSP 136439); Jaboticatubas, Serra do Cipó, Parque Nacional da Serra do Cipó (19°15’S - 43°31’W), 40♀, 2002-2003, Equipe Biota leg. (IBSP 68258-68294); Mariana, Gruta FN-12 (20°10’18.3684”S - 43°25’13.029”W), 2♀, 16-21.I.2009, R. Andrade et al. leg. (IBSP 146210, 146216); Mina Alegria (20°10’18.3684”S - 43°25’13.029”W), 2♀, 16-17.IV.2009, R. Bessi et al. leg. (IBSP 149764); Prados, Gruta S3_HOL_010 (596862E - 7657188N), ♀, 29.VII.2014, L. T. Fonseca leg. (IBSP 166568); Córrego Fundo: Gruta MC_SM_ 015 (20°26’32”S; 45°35’57”W), ♀, 19-21.V.2014, Santos et al. leg. (IBSP 166569); Gruta MC_SM_016 (20°26’33”S; 45°35’56”W), ♀, 08-20.I.2014, Equipe Spelayon leg. (IBSP 166570); Pains (20°22’15”S; 45°39’39”W): ♀, 31.VII.2014, F. Bondezan leg. (IBSP 166571); Gruta Loca dos Negros (20°26’06”S; 45°39’33”W), ♀, 20.III.2009, R. Zampaulo leg. (IBSP 166584); Gruta Tamafi (20°23’39”S; 45°40’48”W), ♀, 09.III.2009, R. Zampaulo leg. (IBSP 166585); Gruta SPA_015 (20°17’53”S; 45°25’38”W), ♀, 24.I.2014, M. Barcelos leg. (IBSP 166587); Cave SPA_030 (20°18’24”S; 45°35’48”W), ♀, 05.II.2014, N. T. Pimentel & T. F. Ferreira leg. (IBSP 166588); Cave SPA_037 (20°18’26”S; 45°35’45”W), ♀, 05.II.2014, F. O. Borges & M. Barcelos leg. (IBSP 166589); Cave SM-68 (20°20’47”S; 45°36’09”W), 2♀, 12.III.2012, Equipe Spelayon leg. (IBSP 166590); Cave SM-180 (20°22’21”S; 45°35’34”W), ♀, 13.II.2014, Equipe Spelayon leg. (IBSP 166591); Cave SM-287 (20°21’46”S; 45°35’51”W), ♀, 20.II.2014, Equipe Spelayon leg. (IBSP 166592), Cave SM-103 (20°21’40”S; 45°36’12”W), ♀, 18.VIII.2012, Equipe Spelayon leg. (IBSP 166596); Cave SM-246 (20°21’51”S; 45°35’46”W), ♀, 20.II.2014, Equipe Spelayon leg. (IBSP 166597); Cave SM-42 (20°21’50”S; 45°35’58”W), 2♀, 21.III.2012, Equipe Spelayon leg. (IBSP 166593); Cave SM-258 (20°21’52”S; 45°35’43”W), 2♀, 19.IX.2013, Equipe Spelayon leg. (IBSP 166602); Cave SM-153 (20°22’03”S; 45°35’38”W), ♀ (IBSP 166594); Cave SM-236 (20°22’11”S; 45°35’51”W), ♀ (IBSP 166595); Cave SM-178 (20°22’20”S; 45°35’23”W), ♀ (IBSP 166598); Cave SM-205 (20°22’23”S; 45°35’40”W), ♀ (IBSP 166599); Cave SM-157 (20°21’53”S; 45°35’39”W), ♀ (IBSP 166600); Cave SM-195 (20°22’23”S; 45°35’37”W), ♀ (IBSP 166601), all collected in 13.II.2014 by Equipe Spelayon; Matozinhos, Cave 100, 4♀, VI.2014, F. Bondezan leg. (IBSP 166575 - IBSP 166578); Cordisburgo, Gruta da Morena (19°8’25.584”S - 44°21’20.5272”W), ♀, 12.IX.2001, P. Gnaspini leg. (IBSP 71833); Lavras (21°13’43.9638”S - 44°58’1.6608”W), 17♀, 16-19.VI.2000, M. Andreizza leg. (IBSP 86329-86330, 86337-86339, 86342, 86346-86347, 86349-86350, 86352-86355, 86357, 86359, 86361); ♀, 2000, A. Almeida leg. (IBSP 121445); Rio de Janeiro: Rio de Janeiro, Bairro Laranjeiras, Parque Guinle (22°55’50.38”S - 43°11’1.12”W), 2♀, 20.X.2001, R. Baptista leg. (MNRJ 3759); Volta Redonda, Floresta da Cicuta (22°33’2.016”S - 44°5’31.7328”W), ♀, 11.III.2002, E. Folly leg. (IBSP 39605); 4♀, 04-11.III.2002-11-18.VI.2001, Equipe Biota (IBSP 136199-136202); Pinheiral, Fazenda Santa Helena, Fazenda Regional de Criação (Posto Zootécnico) (22°34’S - 44°21’W), ♀, 05.11.XI/1999, A. D. Brescovit leg. (IBSP 66897); São Paulo: Jacareí, Campus Vila Branca, Univap (23°12’28.7886”S - 45°56’52.746”W), ♀, 2007, N. M. C. Velho leg. (IBSP 143942); Cotia, Caucaia do Alto, Reserva do Morro Grande (23°40’52.4742”S - 46°59’25.4472”W), 2♀, III.2003, Equipe Biota leg. (IBSP 136732, 136733); São Paulo, Campus USP, Mata do Cuaso (23°33’54.9432”S - 46°43’43.9608” W), 16♀, 14-21.IX.1999, D. Candiani leg. (IBSP 69027-69032, 69034, 69036-69040); 10♀, 16-23.II.2000, D. F. Candiani leg. (IBSP 42154, 42156, 68768-68769); Parque da Previdência (23°34’47.9886”S - 46°43’38.8236”W), 19♀, 16-23.VIII.1999, D. F. Candiani leg. (IBSP 42159, 42162, 68785, 68787, 68797, 68806); 146♀, 14-21/IX/1999-19/XII/1999, D. Candiani leg. (IBSP 69041-69047, 69049-69082, 69084-69103); ♀, V.2000 - II.2001, D. F. Candiani (IBSP 76545); 7♀, 2000-2001, D. F. Candiani et al. leg. (IBSP 117046); 5♀, 1999, D. Candiani leg. (IBSP 69083, PBI_OON 10912); Parque dos Príncipes (23°34’24.0162”S - 46°46’17.5944”W); ♀, 05-12.X.2004, P. A. M. Goldoni & S. Guizze leg. (IBSP 48525); Reservatório Guarapiranga, Jardim Ângela, Ilha dos Eucaliptos (23°45’9.5286”S - 46°44’23.3082”W), 17♀, 07-13.X.2003, I. Cizauskas & C. R. M. Garcia leg. (IBSP 61400-61413); Parque Ecológico Guarapiranga, 2♀, 2009, I. Cizauskas leg. (IBSP 155047-155048); Parque do Estado (23°39’8.625”S - 46°36’57.9924”W), ♀, 21-28.I.2003, J. Valvassori leg. (IBSP 68057); Itapevi, Condomínio TransUrb (23°35’28.284”S - 46°58’29.121”W), ♀, 30.IV.1999, V. C. Onofrio leg. (IBSP 67591); Louveira (23°05’11”S - 46°57’02”W), 2♀, 16.I.1996, A. E. C. Farinha leg. (IBSP 12067); Pindamonhangaba (22°55’26”S - 45°27’42”W), ♀, 08-10.IV.1998, R. Martins & I. Knysak leg. (IBSP 20066); Peruíbe, Estação Ecológica Juréia-Itatins (24°33’015”S - 7°13’292”W), 2♀, 26.IX-03.V.1999, A. D. Brescovit et al. leg. (IBSP 25696, 25791); Iporanga, Parque Estadual Turístico Alto do Ribeira, (24°30’1.3968”S - 48°35’8.415”W), ♀, R. Andrade leg. (IBSP 29414); Dois Córregos, Sítio Guedes (22°19’5.3436”S - 48°21’45.6912”W), ♀, 01-06.IV.2002, G. Q. Romero leg. (IBSP 34974); Teodoro Sampaio, Parque Estadual do Morro do Diabo (22°31’S - 52°18’W), ♀, 24-31.III.2003, Equipe Biota leg. (IBSP 60189); Apiaí, Parque Estadual Turístico Alto do Ribeira, Núcleo Santana (24°27’36”S - 48°36’0”W), 4♀, 08-14.XII.2002, Equipe Biota leg. (IBSP 136440, 136515-136517); Jaboticabal (21°14’54.6288”S - 48°16’9.7278”W), 8♀, III‒IV.2004 (IBSP 55862, 55909); Ubatuba, Parque Estadual da Ilha Anchieta (23°32’S - 45°03’W), 2♀, 23-30.VII.2001, Equipe Biota leg. (IBSP 56408, 56413); Paraná: Foz do Iguaçu, Parque Nacional de Foz do Iguaçu (25°36’S - 54°25’W), 8♀, 03-12.III.2002, Equipe Biota leg. (IBSP 60249, 60256, 136460-136465); Londrina, Parque Estadual Mata dos Godoy (23°27’1.0656”S - 51°14’11.0646”W), 6♀, 13.IV.1999-07.II.2000, J. Lopes leg. (IBSP 38208, 38240, 38258, 38266, 38269); Cornélio Procópio, Parque Estadual Mata São Francisco (23°9’30.2826”S - 50°33’52.416”W), 3♀, 08.V.2009, N. G. Cípola leg. (IBSP 150237, 150289, 150294); Santa Catarina: Brusque (27°05’53”S - 48°55’03”W), Bairro Bateias, campus Empresa Buettner, 10♀, 2014, D. L. Ronchi leg. (IBSP 166603-166608); Blumenau, Parque Natural Municipal Nascentes do Rio Garcia (26°55’10.7862”S - 49°05’36.5748”W), ♀, 23.I.2005, R. C. Francisco leg. (IBSP 68394); Palhoça (27°38’42”S - 48°40’04”W), Serra do Tabuleiro, ♀, I.2003, Equipe Biota leg. (IBSP 136435); Paulo Lopes, Parque Estadual da Serra do Tabuleiro (27°55’S - 48°42’W), ♀, 10-20.I.2003, Equipe Biota leg. (IBSP 60491); Santo Amaro da Imperatriz (27°41’0.9018”S - 48°43’50.9442”W), ♀, 2004, J. Steiner leg. (IBSP 91114).

Xestaspis parmataThorell, 1890Thorell, T. 1890. Studi sui ragni Malesi e Papuani. IV, 1. Annali del Museo Civico di Storia Naturale di Genova 28:1-419., comb. rest.

(Figs 15-19, 59)

Figs 13-19
Figs 13, 14, Triaeris stenaspisSimon, 1891Simon, E. 1891. On the spiders of the island of St. Vincent. Part 1. Proceedings of the Zoological Society of London 1891:549-575., female: 13, dorsal; 14, genitalia, ventral. Figs 15-19, Xestaspis parmataThorell, 1890Thorell, T. 1890. Studi sui ragni Malesi e Papuani. IV, 1. Annali del Museo Civico di Storia Naturale di Genova 28:1-419., comb. rest., female: 15, dorsal; 16, genitalia, ventral; 17, abdomen, anterior, lateral. Male: 18, palp prolateral; 19, palp retrolateral.

Xestaspis parmataThorell, 1890:391Thorell, T. 1890. Studi sui ragni Malesi e Papuani. IV, 1. Annali del Museo Civico di Storia Naturale di Genova 28:1-419. (Holotype female from Ajer Mancior, Sumatra, Cel. Beccari leg., deposited in Museu Civico di Storia Naturela Giacomo Doria, examined).

Hytanis oblongaSimon, 1893b:440Simon, E. 1893b. Arachnides. In: Voyage de M. E. Simon au Venezuela (décembre 1887 - avril 1888). 21e Mémoire. Annales de la Société Entomologique de France 61:423-462. (Syntypes: one female, labeled “6537 Hytanis oblonga E. S. from Iquitos (de M.)”, deposited in MNHN, AR 5692, PBI_OON 4743, examined; one female deposited in MNHN, AR 5681, PBI_OON 4742, labeled “14080 Hytanis oblonga E. S.; Free Town (Mq)”, examined). Syn. nov.

Gamasomorpha paramata: Simon, 1893a:301Simon, E. 1893a. Études arachnologiques. 25e Mémoire. XL. Descriptions d’espèces et de genres nouveaux de l’ordre des Araneae. Annales de la Société Entomologique de France 62:299-330. (lapsus).

Xestaspis bipeltisThorell, 1895:16Thorell, T. 1895. Descriptive catalogue of the spiders of Burma. London. 406p. (Holotype male from Burma, Tharrawady & Oates col., in BMNH, 1895.9.21.43, PBI_OON 25537, examined). Syn. nov.

Gamasomorpha insularisSimon, 1907:231Simon, E. 1907. Arachnides recueillis par L. Fea sur la côte occidentale d’Afrique. 1re partie. Annali del Museo Civico di Storia Naturale di Genova 3:218-323. (Syntypes: one female from Fernando Poo Island (presently Bioko), Gulf of Guinea, deposited in MNHN B524-23037 and one female from Mauritius Islands, Alluaud leg., deposited in MNHN B524-19782); Benoit, 1977:38Benoit, P. L. G. 1977. Fam. Oonopidae et Tetrablemmidae. In: La faune terrestre de l’île de Saite-Hélène IV. Annales Musée Royal de l’Afrique Centrale, Sciences Zoologiques 220:31-44., figs 14a-e (Male “allotype”, from Santa Helene, N. Rupert’s Valley, 28/12/1965, P. Basilaewsky, P. Benoit & N. Lelelup col., in MRAC 129.192; PBI_OON 25595, examined); Saaristo, 2001:311-314, figs 1A, 2A, 3A; 4-8Saaristo, M. I. 2001. Dwarf hunting spiders or Oonopidae (Arachnida, Araneae) of the Seychelles. Insect Systematics & Evolution 32:307-358.); Freitas et al., 2013:15Freitas, G. C. C.; Brescovit, A. D. & Vasconcelos, S. D. 2013. Spider diversity on the oceanic island of Fernando de Noronha, Brazil, and implications for species conservation. Journal of Insect Science 13:1-16.. Syn. nov.

Opopaea lutziPetrunkevitch, 1929:61, figs 42-50 (Holotype male from Desecheo Island, Puerto Rico, West Indians, Feb. 18-20, 1914, in AMNH 3507A; PBI_OON 5512, examined) Petrunkevitch, A. 1929. The spiders of Porto Rico. Part one. Transactions of the Connecticut Academy of Arts and Sciences 30:1-158.; Chickering, 1969:153, figs 22-27Chickering, A. M. 1969. The family Oonopidae (Araneae) in Florida. Psyche 76:144-162.. Syn. nov.

Gamasomorpha bipeltis: Roewer, 1942:285Roewer, C. F. 1942. Katalog der Araneae von 1758 bis 1940. 1. Band (Mesothelae, Orthognatha, Labidognatha: Dysderaeformia, Scytodiformia, Pholciformia, Zodariiformia, Hersiliaeformia, Argyopiformia). Natura, Buchhandlung für Naturkunde und exakte Wissenschaften Paul Budy Bremen. 1040p. .

Gamasomorpha parmata: Roewer, 1954:1707Roewer, C. F. 1954. Katalog der Araneae von 1758 bis 1940. Bremen. v.2. 1751p..

Gamasomorpha lutzi: Brignoli, 1975b:228Brignoli, P. M. 1975b. Ragni del Libano. I. Note su Opopaea punctata (O. Pickard Cambridge, 1872) ed altre specie dello stesso genere (Araneae, Oonopidae). Fragmenta Entomologica 11:223-233.; Burger, 2011:149, figs 1C-E, 3F-H, 4A-BBurger, M. 2011. Structure and function of the female reproductive system in three species of goblin spiders (Arachnida: Araneae: Oonopidae). Invertebrate Biology 130:148-160..

Gamasomorpha madeirensisWunderlich, 1987:66, figs 40-43 (Holotype male and paratype female from Canico bei Funchal, Madeira Island, Dec. 1988, J. Wunderlich col., in SMF36925 and 36926, respectively) Wunderlich, J. 1987. Die Spinnen der Kanarischen Inseln und Madeiras: Adaptive Radiation, Biogeographie, Revisionen und Neubeschreibungen. Langen, Triops Verlag. 435p.; Saaristo, 2001:311Saaristo, M. I. 2001. Dwarf hunting spiders or Oonopidae (Arachnida, Araneae) of the Seychelles. Insect Systematics & Evolution 32:307-358. (Syn. with G. insularis).

Note. All species here synonymized had their types examined and no morphological differences were found in relation to Xestaspis parmata. Simon’s original label of Hytanis oblonga was removed from the vial with syntypes received from MNHN; the current labels were quite recently printed. Simon (1893a)Simon, E. 1893a. Études arachnologiques. 25e Mémoire. XL. Descriptions d’espèces et de genres nouveaux de l’ordre des Araneae. Annales de la Société Entomologique de France 62:299-330. doesn’t refer to specimens from Iquitos or Free Town (Africa?), however there is no other material of this species available at MNHN. Since H. oblonga is the type (and currently the sole) species of Hytanis, the genus is bound to be considered a junior synonym of Xestaspis (Syn. nov.).

Diagnosis. Specimens of Xestaspis parmata resembles those of Brignolia and Opopaea by the shape of the body, but can be distinguished from the species of these genera by the red coloration of the carapace and abdomen (Figs 15- 17), larger size, less sclerotized palp and bulb, and, particularly from Opopaea, by the less enlarged patella.

Description. Male and female, see Wunderlich, 1987:66, figs 40-43Wunderlich, J. 1987. Die Spinnen der Kanarischen Inseln und Madeiras: Adaptive Radiation, Biogeographie, Revisionen und Neubeschreibungen. Langen, Triops Verlag. 435p. sub Gamasomorpha madeirensis.

Distribution. This species was probably introduced from south Asia, and is known to occur in just four areas in Brazil, in the north of the state of Piauí and in the Archipelago de Fernando de Noronha, which belongs to the state of Pernambuco, and from states of Minas Gerais and São Paulo (Fig. 59). It is an open question if this species has already managed to establish viable populations in the Brazilian territory.

Material examined. BRAZIL. Piauí: Parnaíba, Tabuleiros Litorâneos do Piauí (02°55’S - 41°50’W), Distrito de Irrigação, ♂, 2008, J. A. S. Santos col. (IBSP 144005); Pernambuco: Fernando de Noronha, Arquipélago de Fernando de Noronha (3°50’57.2814”S - 32°24’10.7922”W), ♂, ♀, IV/2006, G. Freitas col. (IBSP 67706-67707); Minas Gerais: Governador Valadares (18°51’03”S - 41°56’56”W), 15.X.1981, L. N. Sorkin, (AMNH, PBI_OON 1167); São Paulo: São Paulo (23°33’S - 46°38’W), ♂, 2♀ (AMNH, PBI_OON 37857).

Ischnothyreus peltifer ( Simon, 1891Simon, E. 1891. On the spiders of the island of St. Vincent. Part 1. Proceedings of the Zoological Society of London 1891:549-575. )

(Figs 20- 25, 59)

Ischnaspis peltiferSimon, 1891:562Simon, E. 1891. On the spiders of the island of St. Vincent. Part 1. Proceedings of the Zoological Society of London 1891:549-575. (four female syntypes from Saint Vincent, Antilles, in BMNH, and one female syntype from St. Vincent, in MNHN).

Ischnothyreus peltifer: Simon, 1893c:298Simon, E. 1893c. Histoire naturelle des araignées. Paris, Librairie encyclopedique de Roret, v. 1, p.257-488. (not male, fig. 264, = Camptoscaphiella simoni Baehr); Platnick et al., 2012b:7, figs 1-99Platnick, N. I.; Berniker, L. & Kranz-Baltensperger, Y. 2012b. The goblin spider genus Ischnothyreus (Araneae, Oonopidae) in the New World. American Museum Novitates 3795:1-32..

Dysderina antillanaBryant, 1942:324, figs 1, 7Bryant, E. B. 1942. Notes on the spiders of the Virgin Islands. Bulletin of the Museum of Comparative Zoology 89:317-366. (male holotype from Christiansted, Saint Croix, Virgin Islands, in MCZ; examined); Chickering, 1968a:80Chickering, A. M. 1968a. The genus Ischnothyreus (Araneae, Oonopidae) in Central America and the West Indies. Psyche75:77-86. (Syn.)

Ischnothyreus omusSuman, 1965:226, figs 1-8Suman, T. W. 1965. Spiders of the family Oonopidae in Hawaii. Pacific Insects 7:225-242. (male holotype from Kailua, Oahu, Hawaii, in Bishop Museum, Honolulu). Saaristo, 2001:345Saaristo, M. I. 2001. Dwarf hunting spiders or Oonopidae (Arachnida, Araneae) of the Seychelles. Insect Systematics & Evolution 32:307-358. (Syn.).

Ischnothyreus formosusBrignoli, 1974b:80, figs 12-18Brignoli, P. M. 1974b. On some Oonopidae from Japan and Formosa (Araneae). Acta Arachnologica 25:73-85. (male holotype from Akau, Taiwan, in Zoological Museum, Hamburg); Saaristo, 2001:345Saaristo, M. I. 2001. Dwarf hunting spiders or Oonopidae (Arachnida, Araneae) of the Seychelles. Insect Systematics & Evolution 32:307-358. (Syn.).

Ischnothyreus sechellorumBenoit, 1979:208, figs 7A-EBenoit, P. L. G. 1979. Contributions à l’étude de la faune terrestre des îles granitiques de l’archipel des Séchelles (Mission P. L. G. Benoit - J. J. Van Mol 1972). Oonopidae (Araneae). Revue Zoologique Africaine 93:185-222. (female holotype from Mahe, Seychelles Islands, in MRAC); Saaristo, 1999:3Saaristo, M. I. 1999. An arachnological excursion to the granitic Seychelles, 1-26th January 1999. Arachnid species lists for Silhouette, Cousine & Mahé. Phelsuma7:1-12. (Syn.).

Diagnosis. Males of Ischnothyreus peltifer can easily be separated from those of I. velox by the large protuberance on the base of the cheliceral fang in males (Fig. 23) and narrow, posteriorly situated, sinuous ridge on the postepigastric scutum (Fig. 22) in females.

Description. Male and female, see Platnick et al. 2012b:7, figs 1-99Platnick, N. I.; Berniker, L. & Kranz-Baltensperger, Y. 2012b. The goblin spider genus Ischnothyreus (Araneae, Oonopidae) in the New World. American Museum Novitates 3795:1-32..

Distribution. According to Platnick et al. (2012bPlatnick, N. I.; Berniker, L. & Kranz-Baltensperger, Y. 2012b. The goblin spider genus Ischnothyreus (Araneae, Oonopidae) in the New World. American Museum Novitates 3795:1-32.), this Pantropical species was probably introduced in Americas from Asia. Our records indicated that it was present only in three Brazilian states, the Northern State of Pará, the Northeastern State of Bahia and in the Southeastern State of São Paulo (Fig. 59). Judging by the records obtained, at the moment this species is not sympatric with I. velox in Brazil.

Material examined. BRAZIL. Pará: Belém, Ilha de Cotijuba (01°14’51.44”S - 48°32’47.14”W), ♀, XI.2004, L. Macambira leg. (MPEG 10271, PBI_OON 40724); Bosque Rodrigues Alves (01°25’49”S - 48°27’23”W), 2♀, XI/2004, J. Barreiro leg. (MPEG 10478, 10479; PBI_OON 40726, 40727); Belém, Mata de Várzea, ♂, 2♀, X.2004, L. Macambira leg. (MPEG 10709, PBI_OON 40692); Bahia: Salvador, Baia do Aratu (12°47’32.8”S - 38°28’15.3”W), 3♂, ♀, 2007-2009, K. Benati leg. (IBSP 126042, 126086, 126131, 126135); Presidente Tancredo Neves (13°24’32”S - 39°20’05”W), 2♀, 07.II.2011, C. M. P. Leite (IBSP 166612, 166614); Itamaraju (16°57’58”S - 39°26’01”W), ♀, 14.IV.2011, C. M. P. Leite leg. (IBSP 166613); São Paulo: Ubatuba, Parque Estadual da Ilha Anchieta (23°32’S - 45°03’W), ♂, 23-30.VII.2001, Equipe Biota leg. (IBSP 69881).

Ischnothyreus velox Jackson, 1908Jackson, A. R. 1908. On some rare arachnids captured during 1907. Transactions of the Natural History Society of Northumberland 3:49-78.

(Figs 26-30, 59)

Figs 20-30
Figs 20-25, Ischnothyreus peltifer (Simon, 1891Simon, E. 1891. On the spiders of the island of St. Vincent. Part 1. Proceedings of the Zoological Society of London 1891:549-575.), male: 20, dorsal; 23, projection of chelicerae; 24, palp prolateral; 25, palp retrolateral. Female: 21, dorsal; 22, genitalia, ventral. Figs 26-30, Ischnothyreus veloxJackson, 1908Jackson, A. R. 1908. On some rare arachnids captured during 1907. Transactions of the Natural History Society of Northumberland 3:49-78., female: 26, dorsal; 27, genitalia, ventral. Male: 28, palp retrolateral; 29, palp prolateral; 30, palp ventral.

Ischnothyreus veloxJackson, 1908:51, pl. 4, figs 9-13Jackson, A. R. 1908. On some rare arachnids captured during 1907. Transactions of the Natural History Society of Northumberland 3:49-78. (Lectotype male from greenhouse in Chester, England, in BMNH); Saaristo, 2001:347Saaristo, M. I. 2001. Dwarf hunting spiders or Oonopidae (Arachnida, Araneae) of the Seychelles. Insect Systematics & Evolution 32:307-358. (desig. lectotype); Platnick et al., 2012b:27, figs 100-132Platnick, N. I.; Berniker, L. & Kranz-Baltensperger, Y. 2012b. The goblin spider genus Ischnothyreus (Araneae, Oonopidae) in the New World. American Museum Novitates 3795:1-32..

Ischnothyreus barrowsiChamberlin & Ivie, 1935:9, pl. II, fig. 7Chamberlin, R. V. & Ivie, W. 1935. Miscellaneous new American spiders. Bulletin of the University of Utah 26:1-79. (female holotype from Marco Island, Collier Co., Florida, USA, in AMNH). Platnick et al., 2012b:27Platnick, N. I.; Berniker, L. & Kranz-Baltensperger, Y. 2012b. The goblin spider genus Ischnothyreus (Araneae, Oonopidae) in the New World. American Museum Novitates 3795:1-32. (Syn.).

Ischnothyreus indressusChickering, 1968a:84, figs 13-20Chickering, A. M. 1968a. The genus Ischnothyreus (Araneae, Oonopidae) in Central America and the West Indies. Psyche75:77-86. (male holotype from Nevis, Leeward Islands, in MCZ; examined); Platnick et al., 2012b:27Platnick, N. I.; Berniker, L. & Kranz-Baltensperger, Y. 2012b. The goblin spider genus Ischnothyreus (Araneae, Oonopidae) in the New World. American Museum Novitates 3795:1-32. (Syn.).

Diagnosis. Ischnothyreus velox differ from I. peltifer by the males lacking a protuberance on the base of the fang; palps with rounded bulb and sperm pore larger than that of I. peltifer (Figs 28-30). Females of I. velox have a distinctively procurved ridge occupying most of the width of the postepigastric scutum (Fig. 27).

Description. Male and female, see Platnick et al. 2012b:27, figs 100-132Platnick, N. I.; Berniker, L. & Kranz-Baltensperger, Y. 2012b. The goblin spider genus Ischnothyreus (Araneae, Oonopidae) in the New World. American Museum Novitates 3795:1-32..

Distribution. According to Platnick et al. (2012bPlatnick, N. I.; Berniker, L. & Kranz-Baltensperger, Y. 2012b. The goblin spider genus Ischnothyreus (Araneae, Oonopidae) in the New World. American Museum Novitates 3795:1-32.), who recorded this species in the state of Amazonas, this Pantropical species was probably introduced in Americas from Asia. The present records in Brazil are anecdotic but depict a wide distribution in the Western and Central Amazonia, as well as in the Northeastern state of Sergipe (Fig. 59).

Material examined. BRAZIL. Acre: Senador Guiomard, Reserva Extrativista Catuaba (10°12’51.4584”S - 67°45’17.1216”W), ♀, 2002, E. Morato et al. leg. (IBSP 86903); Amazonas: Benjamin Constant (04°22’58”S - 70°1’51”W), ♀, 2010, P. S. Pompeu et al. leg. (IBSP 166574); Coari, Rio Urucu, Base de Operações Geólogo Pedro de Moura (04°52’16”S - 65°20’04”W), ♂, ♀, 11-20.VII.2003, A. B. Bonaldo, J. Dias & D. Guimarães leg. (MPEG 10212, 10214; PBI_OON 40693, 40725); Sergipe: Simão Dias, Toca da Raposa (10°43’46.992”S - 37°50’54.9702”W), 2♀, 20.VI.2014, no col. (IBSP 166579-166580).

Opopaea concolor ( Blackwall, 1859Blackwall, J. 1859. Descriptions of newly discovered spiders captured by James Yate Johnson Esq., in the island of Madeira. Annals and Magazine of Natural History 4:255-267. )

(Figs 31- 35, 61)

Oonops concolorBlackwall, 1859:265Blackwall, J. 1859. Descriptions of newly discovered spiders captured by James Yate Johnson Esq., in the island of Madeira. Annals and Magazine of Natural History 4:255-267. (Male and female syntypes from Madeira Island, Portugal, should be in Hope Department of Oxford University).

Opopaea concolor: Kulczyński, 1899:339, pl. 6, fig. 25Kulczyński, W. 1899. Arachnoidea opera Rev. E. Schmitz collecta in insulis Maderianis et in insulis Selvages dictis. Rozprawy i Sprawozdania z Posiedzen Wydzialu Matematyczno Przyrodniczego Akademji Umiejetnosci 36:319-461.; Platnick & Dupérré, 2009a:22, figs 74-104Platnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43..

Myrmecoscaphiella borgmeyeriMello-Leitão, 1926:2Mello-Leitão, C. F. de 1926. Algumas aranhas do Brasil meridional. Boletim do Museu Nacional do Rio de Janeiro 2:1-18. (Male holotype from Rodeio (26º55’22”S 49º21’59”W), Santa Catarina, Brazil, 1926, T. Borgmeyer col., in MNRJ 953); Platnick & Dupérré, 2009a:22Platnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43. (Syn.).

Gammasomorpha humilisMello-Leitão, 1920:172Mello-Leitão, C. F. de 1920. Algumas aranhas novas. Revista da Sociedade Brasileira de Sciencias 3:169-176. (Female holotype from Pinheiro (actually Pinheiral), Barra do Piraí, Rio de Janeiro, Brazil, in MNRJ 955; PBI_OON 10963, examined). Syn. nov.

Opopaea deviaGertsch, 19365, fig. 13Gertsch, W. J. 1936. Further diagnoses of new American spiders. American Museum Novitates 852:1-27. (Female holotype from Edinburg, Hidalgo Co., Texas, USA, in AMNH); Platnick & Dupérré, 2009a:22Platnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43. (Syn.).

Opopaea guaranianaBirabén, 1954:203, figs 30-36, 50Birabén, M. 1954. Nuevas Gamasomorphinae de la Argentina (Araneae, Oonopidae). Notas del Museo de la Plata 17:181-212. (Female holotype and male allotype from Manantiales, Corrientes, Argentina, lost); Platnick & Dupérré, 2009a:22Platnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43. (Syn.).

Opopaea bandinaChickering, 1969:147, figs 1-3Chickering, A. M. 1969. The family Oonopidae (Araneae) in Florida. Psyche 76:144-162. (Female holotype from Largo, Pinellas Co., Florida, USA, in MCZ); Platnick & Dupérré, 2009a:22Platnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43. (Syn.).

Gamasomorpha atlanticaBenoit, 1977:35, figs 13a-eBenoit, P. L. G. 1977. Fam. Oonopidae et Tetrablemmidae. In: La faune terrestre de l’île de Saite-Hélène IV. Annales Musée Royal de l’Afrique Centrale, Sciences Zoologiques 220:31-44. (Male holotype from Prosperous Bay Plain, Saint Helena Island, in MRAC); Saaristo & Marusik, 2008:20Saaristo, M. I. & Marusik, Y. M. 2008. A survey of AfricanOpopaeaSimon, 1891 (Arachnida, Aranei, Oonopidae). Arthropoda Selecta 17:17-53. (Syn.).

Opopaea atlantica: Brignoli, 1983:188Brignoli, P. M. 1983. A catalogue of the Araneae described between 1940 and 1981. Manchester, Manchester University Press. 755p..

Diagnosis. Opopaea concolor can be distinguished from those of O. deserticola by the ventrally unexpanded palpal bulb in males (Figs 34, 35; Platnick & Dupérré, 2009a, figs 99-104Platnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43.), and by having the small, dark knob marking the origin of the receptaculum situated quite far from the epigastric furrow in females (Fig. 33).

Description. Male and female, see Platnick & Dupérré, 2009a:22, figs 73-104Platnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43..

Distribution. According to Platnick & Dupérré (2009aPlatnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43.), this Pantropical species was probably introduced in Americas from the Old Word. In the New World it is known to occur from the southern United States and Bahamas Islands south to Argentina. This species is synanthropic in Brazil and in many cases sympatric with O. deserticola, mainly in the southern portions of the country (Fig. 61). It is normally found inside houses and buildings, but can be also found in caves, especially those most intensely disturbed by human activities.

Material examined. BRAZIL, Bahia: Lajedinho (12°21’21”S - 40°54’21”W), Gruta da Mocozeira, ♀, 22.X.2014, F. Bondezan leg. (IBSP 166572); Presidente Tancredo Neves (13°22’44”S - 39°19’31”W), ♀, 07.II.2011, C. M. P. Leite leg. (IBSP 166611); Mato Grosso do Sul: Corumbá, Pantanal, Passo da Lontra (18°57’31.0674”S - 57°39’52.5918”W), ♀, I.1998-XI.1999, J. Raizer leg. (IBSP 68454); Minas Gerais: Jaboticatubas, Serra do Cipó, Parque Nacional da Serra do Cipó (19°15’S - 43°31’W), ♂, 03-09.I.2003, Equipe Biota leg. (IBSP 69444); Belo Horizonte, Campus da UFMG/ICB (19°52’S - 43°58’W), ♀, VII.2002, É. S. S. Álvares leg. (IBSP 73190); Rio de Janeiro: Teresópolis (22°26’26.2536”S - 43°5’13.9158”W), ♀, 28.XI.1976, Leny leg. (MNRJ 2094); Rio de Janeiro, Gávea (22°58’46.2324”S - 43°14’46.6224”W), 2♀, R. Arlé leg. (MNRJ 41760); São Paulo: São Paulo (23°32’51”S - 46°38’10”W), ♀, 13.II.2002, F. S. Cunha leg. (IBSP 33063); ♀, 20.IV.2007, G. Ruiz leg. (IBSP 122228); Parque da Previdência (23°34’49.7136”S - 46°43’38.4558”W), ♀, 17.XII.1999, D. F. Candiani leg. (IBSP 33007); Parque Alfredo Volpi (23°35’12.5766”S - 46°42’16.005”W), ♀, 19-23.III.2005, A. Bagio leg. (IBSP 59276); Campus da USP (23°33’44”S - 46°43’39”W), ♂, 13.V.2003, D. F. Candiani leg. (IBSP 131540); Mata do Cuaso (23°33’54.9432”S - 46°43’43.9608”W), ♀, 1999, D. Candiani leg. (IBSP 68981); campus Instituto Butantan, Mata do Butantan (23°33’59.493”S - 46°43’14.7612”W), ♂, 12-19.XII.1999, D. Candiani leg. (IBSP 68980); ♀, 18.VIII.2006, A. D. Brescovit leg. (IBSP 72788); Itapevi, Condomínio TransUrb (23°35’28.284”S - 46°58’29.121”W), ♀, 28.V.1999, V. C. Onofrio leg. (IBSP 67601); Campinas, Campus da Unicamp (22°48’45.9786”S - 47°4’12.198”W), ♂, 02.I.2006, A. J. Santos leg. (IBSP 72970); Guarujá, Ilha da Moela (24°02’57.5016”S - 46°15’48.0558”W), ♂, 17-19.VIII.2009, R. P. Indicatti & G. P. Perroni leg. (IBSP 144859); Paraná: Adrianópolis, Vale do Ribeira (24°47’0.726”S - 49°6’45.4962”W), ♀, 17.III.2005, D. M. B. Battesti leg. (IBSP 51581); Londrina, campus Universidade Estadual de Londrina, Fazenda Escala (23°20’23,45’5”S - 51°12’32,8”W), 2♂, VIII.2007, J. O. Fernando leg. (IBSP 118415, 118429); Rio Grande do Sul: Sapucaia do Sul (29°50’20”S 51°08’38”W), ♀, 20.VI.2013 (MCN 49333); Porto Alegre (30°01’58”S - 51°13’48”W), 5♀, 24.V.1981 - 21.II.1991, A. A. Lise, A. B. Bonaldo & L. Moura leg. (MCN 10350, 20746-20747, 28335); ♂, 6♀, 31.V.1935, P. Buck leg. (MNRJ 2090); Jardim Botânico (30°03’6.07”S - 51°10’37.95”W), ♂, 29.IV.1997, L. Moura leg. (MCN 28335); ♂, 25.III.2011, L. Moura leg. (MCN 49332).

Opopaea deserticola Simon, 1891Simon, E. 1891. On the spiders of the island of St. Vincent. Part 1. Proceedings of the Zoological Society of London 1891:549-575.

(Figs 36- 40, 61)

Figs 31-40
31-35. Opopaea concolor (Blackwall, 1859Blackwall, J. 1859. Descriptions of newly discovered spiders captured by James Yate Johnson Esq., in the island of Madeira. Annals and Magazine of Natural History 4:255-267.), male: 31, dorsal; 34, palp retrolateral; 35, palp prolateral. Female: 32, dorsal; 33, genitalia, ventral. Figs 36-40, Opopaea deserticolaSimon, 1891Simon, E. 1891. On the spiders of the island of St. Vincent. Part 1. Proceedings of the Zoological Society of London 1891:549-575., male: 36, dorsal; 39, palp retrolateral; 40, palp prolateral. Female: 37, dorsal; 38, genitalia, ventral.

Opopaea deserticolaSimon, 1891:560, pl. 42, fig. 5Simon, E. 1891. On the spiders of the island of St. Vincent. Part 1. Proceedings of the Zoological Society of London 1891:549-575. (female syntype from Saint Vincent, Antilles, in BMNH); Platnick & Dupérré, 2009a:4, figs 1-72Platnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43.

Gamasomorpha rufaBanks, 1898:211, pl. 13, fig. 12Banks, N. 1898. Arachnida from Baja California and other parts of Mexico. Proceedings of the California Academy of Sciences 1:205-308. (female holotype from Baja California, Mexico, G. Eisen & H. Vaslit, in the California Academy of Sciences, destroyed in the earthquake in 1900). Syn. nov.

Opopaea darlingtoniBryant, 1940:267, figs 5, 7Bryant, E. B. 1940. Cuban spiders in the Museum of Comparative Zoology. Bulletin of the Museum of Comparative Zoology 86:247-532. (male holotype from Maisí, Guantánamo, Cuba, in MCZ); Dumitrescu & Georgescu, 1983:103Dumitrescu, M. & Georgescu, M. 1983. Sur les Oonopidae (Araneae) de Cuba. Résultats des Expéditions Biospéologiques Cubano-Roumaines à Cuba 4:65-114. (Syn.)

Gamasomorpha floridana: Bryant, 1945:199, figs 1, 2Bryant, E. B. 1945. Notes on some Florida spiders. Transactions of the Connecticut Academy of Arts and Sciences 36:199-213. (male, misidentified).

Opopaea timidaChickering, 1951:233, figs 20, 21Chickering, A. M. 1951. The Oonopidae of Panama. Bulletin of the Museum of Comparative Zoology 106:207-245. (male holotype believed to have been taken from a bat collected in the Chilibrillo Caves, Canal Zone, Panama, in MCZ); Platnick & Dupérré, 2009a:4Platnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43. (Syn.).

Opopaea brasimaChickering, 1969:148, figs 4-10Chickering, A. M. 1969. The family Oonopidae (Araneae) in Florida. Psyche 76:144-162. (male holotype from Kendall, Dade Co., Florida, USA, in AMNH, examined); Dumitrescu & Georgescu, 1983:103Dumitrescu, M. & Georgescu, M. 1983. Sur les Oonopidae (Araneae) de Cuba. Résultats des Expéditions Biospéologiques Cubano-Roumaines à Cuba 4:65-114. (Syn.).

GamasomorphaBattirola et al., 2004:423, 426Battirola, L. D.; Marques, M. I.; Adis, J. & Brescovit, A. D. 2004. Aspectos ecológicos da comunidade de Araneae (Arthropoda: Arachnida), em copas da palmeira Attalea phalerata Mart. (Arecaceae) no Pantanal de Mato Grosso, Brasil. Revista Brasileira de Entomologia 48:421-430.; Marques et al., 2007:144Marques, M. I.; Adis, J.; Battirola, L. D.; Brescovit, A. D.; Silva, F. H. O. & Silva, J. L. 2007. Composição da comunidade de artrópodes associada à copa de Calophyllum brasiliense (Guttiferae) no Pantanal, Mato Grosso, Brasil. Amazoniana19:131-148..

Note. The figure of Gamasomorpha rufa presented by Banks (1898Banks, N. 1898. Arachnida from Baja California and other parts of Mexico. Proceedings of the California Academy of Sciences 1:205-308.) shows clearly a flattened oonopid, indicating in the description of the ventral face of abdomen “a dark stripe each side near furrow”, a characteristic structure found in the female genitalia of all Opopaea, but particularly distinctive in O. deserticola. In addition, this species is common in urban areas in Baja California (Platnick & Dupérré, 2009aPlatnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43.).

Diagnosis. Opopaea deserticola can be distinguished from O. concolor by the ventrally more expanded palpal bulb in males (Figs 39, 40; Platnick & Dupérré, 2009a, figs 61-66Platnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43.) and females having small, dark knob marking the origin of the receptaculum situated very close to the epigastric furrow in genital area (Fig. 38).

Description. Male and female, see Platnick & Dupérré (2009a:4, figs 1-72Platnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43.).

Distribution. According to Platnick & Dupérré (2009aPlatnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43.), this Pantropical species was probably introduced in Americas from the Old World. In the New World, it is known to occur from Florida, USA, to Southern Brazil. There were only two previous records from Brazil, one in the Northern State of Pará and other in the Southwestern State of Rio de Janeiro (Platnick & Dupérré, 2009aPlatnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43.), in a building and in a botanical garden, respectively (Platnick & Dupérré (2009a:21Platnick, N. I. & Dupérré, N. 2009a. The goblin spider genera Opopaea and Epectris (Araneae, Oonopidae) in the New World. American Museum Novitates 3649:1-43.). This species is synanthropic in Brazil, sympatric with O. deserticola, mainly in the states of Bahia and Mato Grosso (Fig. 61). Several specimens were collected in tree canopy at the district of Pirizal, Brazilian Pantanal, state of Mato Grosso. These specimens were collected mainly in Vochysia divergens (Vochysiaceae) and Calophyllum brasiliense Cambess. (Calophyllaceae) and determined erroneously as Gamasomorpha sp. at that time (Battirola et al., 2004Battirola, L. D.; Marques, M. I.; Adis, J. & Brescovit, A. D. 2004. Aspectos ecológicos da comunidade de Araneae (Arthropoda: Arachnida), em copas da palmeira Attalea phalerata Mart. (Arecaceae) no Pantanal de Mato Grosso, Brasil. Revista Brasileira de Entomologia 48:421-430.; Marques et al., 2007Marques, M. I.; Adis, J.; Battirola, L. D.; Brescovit, A. D.; Silva, F. H. O. & Silva, J. L. 2007. Composição da comunidade de artrópodes associada à copa de Calophyllum brasiliense (Guttiferae) no Pantanal, Mato Grosso, Brasil. Amazoniana19:131-148.). However, this species is most commonly found inside houses, buildings and, exceptionally, in disturbed caves.

Material examined. BRAZIL. Amapá: Laranjal do Jari (0°50’31”S - 52°30’57”W), ♂, 14.XI.2003, J. A. P. Barreiros leg. (MPEG 10406); Amazonas: Manaus, Reserva Florestal Adolpho Ducke (02°57’42”S - 59°55’40”W), ♀, 15.IX.1995 (INPA); J. Adis leg. (INPA); ♀, 23.III.1996, J. Adis (INPA); Pará: Belém, campus Museu Paraense Emilio Goeldi, ♀, 10.II.1959, A. Nadler leg. (AMNH, PBI_OON 10524); 5 Km East Belém, ♂, 02.V.1974, R. Schuh leg. (AMNH, PBI_OON 10514); Mato Grosso: Nossa Senhora do Livramento, Pirizal, Pantanal de Poconé, Fazenda Retiro Novo (16°15’12”S - 56°22’12”W), 4♂, 10♀, XI−XII.1999, L. A. Battirola (IBSP 40724-40725, 40729, 40754, 40756, 40765-40767); Poconé (16°26’49.5924”S - 56°42’52.0518”W), 4♂, 7♀, 2003, I. Marques & Castilho leg. (IBSP 67014, 67025, 67027, 67029, 67032-67033, 67035, 67037); Mato Grosso do Sul: Dois Irmãos do Buriti, Piraputanga, Fazenda Correntes II (20°27’S - 55°30’W), ♀, 16-26.II.2008, R. Bessi leg. (IBSP 128724); Bahia: Paulo Afonso (9°24’28”S - 38°13’19’S), Ilha do Urubu, ♀, 2008, E. Daniele leg. (IBSP 125008); Salvador, Baía de Aratu (12º47’32,8”S - 38º28’15,3”W), 2♂, 73♀, 2007-2008, K. Benati leg. (IBSP 125202-125230, 125232-125236, 125238-125240, 125242-125243, 125245, 125248-125252, 125254-125259, 125261-125266, 125268-125270, 125272-125278, 125280, 125282-125291); Parque da Cidade Joventino Silva (12°59’57.6522”S - 38°28’11.1606”W), 2♀, 22.VIII-03.IX.2008, C. Queiroz & D. Mendes leg. (IBSP 125544-125545); Minas Gerais: Belo Horizonte (19°52’S - 44°06’W), ♀, 09.XII.2007, A. J. Santos leg. (IBSP 151663); Pains, Gruta Isaias (431402mE - 7747672mN), ♀, 19.VI.2009, R. Zampaulo leg. (IBSP 166586); Rio de Janeiro: Rio de Janeiro, Jardim Botânico (30°03’6.07”S - 51°10’37.95”W), ♀, 20.I.1959, A. Nadler leg. (AMNH, PBI_OON 10526); Santa Teresa, ♀, 26.VI.1946, H. Sick leg. (AMNH, PBI_OON 28177); Bairro Laranjeiras, Parque Guinle (22°55’50.38”S - 43°11’1.12”W), ♀, 20.X.2001, R. Baptista leg. (MNRJ 3760); São Paulo: São Paulo, Parque do Estado (23°39’8.625”S - 46°36’57.9924”W), ♂, 18-25.X.2003, J. Valvassori leg. (IBSP 68059); campus Instituto Butantan (23°33’59.493”S - 46°43’14.7612”W), ♀, 30.IX.2009, A. M. Giroti leg. (IBSP 151545); ♀, VII.2007, G. Perroni (IBSP 151566).

Pelicinus marmoratus Simon, 1891Simon, E. 1891. On the spiders of the island of St. Vincent. Part 1. Proceedings of the Zoological Society of London 1891:549-575.

(Figs 41- 45Banks, N. 1902. Some spiders and mites from the Bermuda Islands. Transactions of the Connecticut Academy of Arts and Sciences11:267-275., 60Berland, L. 1942. Polynesian spiders. Occasional Papers of the Bernice P. Bishop Museum 17:1-24.)

Figs 41-48
Figs 41-45, Pelicinus marmoratusSimon, 1891Simon, E. 1891. On the spiders of the island of St. Vincent. Part 1. Proceedings of the Zoological Society of London 1891:549-575., male: 41, dorsal; 43, palp dorso-prolateral; 44, palp retrolateral. Female: 42, dorsal; 45, genitalia, ventral. Figs 46-48. Heteroonops spinimanus (Simon, 1891), female: 46, dorsal; 47, genitalia, ventral; 48, female palp, lateral.

Pelicinus marmoratusSimon, 1891:559, fig. 4Simon, E. 1891. On the spiders of the island of St. Vincent. Part 1. Proceedings of the Zoological Society of London 1891:549-575. (One male and two female syntypes from Saint Vincent Island, Antilles, in BMNH).

Philesius marmoratus: Simon, 1893a:303Simon, E. 1893a. Études arachnologiques. 25e Mémoire. XL. Descriptions d’espèces et de genres nouveaux de l’ordre des Araneae. Annales de la Société Entomologique de France 62:299-330..

Myrmopopaea jacobsoniReimoser, 1933:397, figs 1-3Reimoser, E. 1933. Fauna Sumatrensis. Araneina. I. Systematischer Teil. Tijdschrift voor Entomologie 76:396-400. (Male holotype and female paratype from Fort de Kock [= Bukittinggi], Sumatra, in Naturhistorischen Museum Wien); Platnick et al., 2012c:18-19, figs 1-60, 121-144Platnick, N. I.; Dupérré, N.; Ott, R.; Baher, B. & Kranz-Baltensperger, Y. 2012c. The goblin spider genus Pelicinus (Araneae, Oonopidae), Part 1. American Museum Novitates 3741:1-43. (Syn).

Gamasomorpha minimaBerland, 1942:5, fig. 1aBerland, L. 1942. Polynesian spiders. Occasional Papers of the Bernice P. Bishop Museum 17:1-24. (Male holotype from Canton Island, Phoenix Islands, in Bishop Museum, Honolulu); Platnick et al., 2012c:18-19, figs 1-60, 121-144Platnick, N. I.; Dupérré, N.; Ott, R.; Baher, B. & Kranz-Baltensperger, Y. 2012c. The goblin spider genus Pelicinus (Araneae, Oonopidae), Part 1. American Museum Novitates 3741:1-43. (Syn).

Hytanis pusillaBryant, 1942:326, figs 13, 14Bryant, E. B. 1942. Notes on the spiders of the Virgin Islands. Bulletin of the Museum of Comparative Zoology 89:317-366. (Female holotype from Christiansted, Saint Croix, Virgin Islands, in MCZ); Platnick et al., 2012c:18-19, figs 1-60, 121-144Platnick, N. I.; Dupérré, N.; Ott, R.; Baher, B. & Kranz-Baltensperger, Y. 2012c. The goblin spider genus Pelicinus (Araneae, Oonopidae), Part 1. American Museum Novitates 3741:1-43. (Syn).

Scaphiella ulaSuman, 1965:230, figs 15-20Suman, T. W. 1965. Spiders of the family Oonopidae in Hawaii. Pacific Insects 7:225-242. (Male holotype from Puu Papaa peak, Oahu, Hawaii, in Bishop Museum, Honolulu); Platnick et al., 2012c:18-19, figs 1-60, 121-144Platnick, N. I.; Dupérré, N.; Ott, R.; Baher, B. & Kranz-Baltensperger, Y. 2012c. The goblin spider genus Pelicinus (Araneae, Oonopidae), Part 1. American Museum Novitates 3741:1-43. (Syn).

Triaeris reticulatusChickering, 1968b:354, figs 6-13Chickering, A. M. 1968b. The genus Triaeris Simon (Araneae, Oonopidae) in Central America and the West Indies. Psyche75:351-359. (Male holotype from Saint Croix, Virgin Islands, in MCZ); Chickering, 1973:228 (Syn. with Hytanis pusilla).

Triaeris pusillus: Chickering, 1973:228Chickering, A. M. 1973. Notes on Heteroonops and Triaeris (Araneae; Oonopidae). Psyche 80:227-229..

Silhouettella maheiBenoit, 1979:205, fig. 6ABenoit, P. L. G. 1979. Contributions à l’étude de la faune terrestre des îles granitiques de l’archipel des Séchelles (Mission P. L. G. Benoit - J. J. Van Mol 1972). Oonopidae (Araneae). Revue Zoologique Africaine 93:185-222. (male holotype from Morne Blanc, Mahe, Seychelles, in MRAC); Platnick et al., 2012c:18-19, figs 1-60, 121-144Platnick, N. I.; Dupérré, N.; Ott, R.; Baher, B. & Kranz-Baltensperger, Y. 2012c. The goblin spider genus Pelicinus (Araneae, Oonopidae), Part 1. American Museum Novitates 3741:1-43. (Syn).

Gamasomorpha gracilipesWunderlich, 1987:65, figs 37-39Wunderlich, J. 1987. Die Spinnen der Kanarischen Inseln und Madeiras: Adaptive Radiation, Biogeographie, Revisionen und Neubeschreibungen. Langen, Triops Verlag. 435p. (male holotype from Valle Gran Rey, La Gomera, Canary Islands, in Naturmuseum Senckenberg); Saaristo, 2001:321Saaristo, M. I. 2001. Dwarf hunting spiders or Oonopidae (Arachnida, Araneae) of the Seychelles. Insect Systematics & Evolution 32:307-358. (Syn. with Silhouettella mahei).

Pelicinus mahei: Saaristo, 2001:321, figs 40-46Saaristo, M. I. 2001. Dwarf hunting spiders or Oonopidae (Arachnida, Araneae) of the Seychelles. Insect Systematics & Evolution 32:307-358..

Diagnosis. Specimens of both sexes of Pelicinus marmoratus can be easily separated from all other Brazilian synanthropic species by the weakly sclerotized scuta on the abdomen (Fig. 42), light embolus with distal process in the male palp (Figs 43Banks, N. 1902. Some spiders and mites from the Bermuda Islands. Transactions of the Connecticut Academy of Arts and Sciences11:267-275., 44Banks, N. 1902. Some spiders and mites from the Bermuda Islands. Transactions of the Connecticut Academy of Arts and Sciences11:267-275.) and postepigastric scutum covering about 3/4 of abdominal length (Fig. 45).

Description. Male and female, see Platnick et al. (2012c:18, figs 1-60, 121-144Platnick, N. I.; Dupérré, N.; Ott, R.; Baher, B. & Kranz-Baltensperger, Y. 2012c. The goblin spider genus Pelicinus (Araneae, Oonopidae), Part 1. American Museum Novitates 3741:1-43. ).

Distribution. Considered Pantropical by Platnick et al. (2012cPlatnick, N. I.; Dupérré, N.; Ott, R.; Baher, B. & Kranz-Baltensperger, Y. 2012c. The goblin spider genus Pelicinus (Araneae, Oonopidae), Part 1. American Museum Novitates 3741:1-43. ) who recorded this species in the African continent, in several Caribbean and Pacific islands and in the city of Ananindeua, state of Pará, Brazil (Fig. 60), where the specimens were collected manually in a house bathroom, along with synanthropic ants. This remains the single record of this species in Brazil.

Material examined. BRAZIL. Pará: Ananindeua (01°23’S - 48°24’W), ♀, 04.II.2009, B. Silva leg. (MPEG 18820, PBI_OON 811); ♂, ♀, 08.II.2009, B. Silva leg. (MPEG 18821, PBI_OON 810).

Heteroonops spinimanus ( Simon, 1891Simon, E. 1891. On the spiders of the island of St. Vincent. Part 1. Proceedings of the Zoological Society of London 1891:549-575. )

(Figs 46Kraus, F. 2009. Alien Reptiles and Amphibians. Springer, Berlin. 563p.-48Kraus, F. 2009. Alien Reptiles and Amphibians. Springer, Berlin. 563p., 59Platnick, N. I.; Dupérré, N.; Ott, R.; Baher, B. & Kranz-Baltensperger, Y. 2012c. The goblin spider genus Pelicinus (Araneae, Oonopidae), Part 1. American Museum Novitates 3741:1-43. )

Oonops spinimanusSimon, 1891:563, pl. 42, fig. 6Simon, E. 1891. On the spiders of the island of St. Vincent. Part 1. Proceedings of the Zoological Society of London 1891:549-575. (Female syntype from Saint Vincent Island, Antilles, in BMNH and five female syntypes from Caracas, Distrito Federal, Venezuela).

Oonops bermudensisBanks, 1902:269, fig. 1a-cBanks, N. 1902. Some spiders and mites from the Bermuda Islands. Transactions of the Connecticut Academy of Arts and Sciences11:267-275. (Female holotype from the Bermuda Islands, no specific locality, in Peabody Museum, Yale); Sierwald, 1988:10Sierwald, P. 1988. Spiders of Bermuda. Nemouria, Occasional Papers of the Delaware Museum of Natural History 31:1-24. (Syn.).

Heteroonops spinimanus: Dalmas, 1916:203Dalmas, R. de. 1916. Révision du genre Orchestina E.S., suive de la description de nouvelles espèces du genre Oonops et d’une étude sur les Dictynidae du genre Scotolathys. Annales de la Société Entomologique de France 85:203-258. ; Platnick & Dupérre, 2009b:22, figs 79-139Platnick, N. I. & Dupérré, N. 2009b. The goblin spider genus Heteroonops (Araneae, Oonopidae), with notes on Oonops. American Museum Novitates 3672:1-72..

Oonopinus hunusSuman, 1965:238, figs 35-37Suman, T. W. 1965. Spiders of the family Oonopidae in Hawaii. Pacific Insects 7:225-242. (Female holotype from SE slope of Ulumawao Peak, Kailua, Oahu, Hawaii, in Bishop Museum, Honolulu); Platnick & Dupérre, 2009b:22Platnick, N. I. & Dupérré, N. 2009b. The goblin spider genus Heteroonops (Araneae, Oonopidae), with notes on Oonops. American Museum Novitates 3672:1-72. (Syn.).

Matyotia tetraspinosusSaaristo, 2001:351, figs 165-169Saaristo, M. I. 2001. Dwarf hunting spiders or Oonopidae (Arachnida, Araneae) of the Seychelles. Insect Systematics & Evolution 32:307-358. (Male holotype from Anse Cimitière, Silhouette, Seychelles Islands, in Zoological Museum at University of Turku, Turku); Platnick & Dupérre, 2009b:22Platnick, N. I. & Dupérré, N. 2009b. The goblin spider genus Heteroonops (Araneae, Oonopidae), with notes on Oonops. American Museum Novitates 3672:1-72. (Syn.).

Diagnosis. Specimens of Heteroonops spinimanus can be easily separated from all other Brazilian synanthropic species by the enlarged posterior projection on the male endites (see Platnick & Dupérre, 2009b:22, figs 84-86Platnick, N. I. & Dupérré, N. 2009b. The goblin spider genus Heteroonops (Araneae, Oonopidae), with notes on Oonops. American Museum Novitates 3672:1-72.), angular embolus and conductor (see Platnick & Dupérre, 2009b:22, figs 87, 88Platnick, N. I. & Dupérré, N. 2009b. The goblin spider genus Heteroonops (Araneae, Oonopidae), with notes on Oonops. American Museum Novitates 3672:1-72.) and the umbrella-shaped anterior receptaculum in the female genitalia (Fig. 47).

Description. Male and female, see Platnick & Dupérre (2009b:22, figs 79-139Platnick, N. I. & Dupérré, N. 2009b. The goblin spider genus Heteroonops (Araneae, Oonopidae), with notes on Oonops. American Museum Novitates 3672:1-72.).

Biology. Heteroonops spinimanus has been considered to be parthenogenetic by some authors (Saaristo, 2001Saaristo, M. I. 2001. Dwarf hunting spiders or Oonopidae (Arachnida, Araneae) of the Seychelles. Insect Systematics & Evolution 32:307-358.), resembling, in that regard, T. stenaspis. Even though it was originally described from St. Vincent, it’s currently known to have a Pantropical distribution. Although many populations of H. spinimanus may be parthenogenetic, apparently conspecific males have been collected together with females twice, in Seychelles Islands and in Florida (Platnick & Dupérré, 2009bPlatnick, N. I. & Dupérré, N. 2009b. The goblin spider genus Heteroonops (Araneae, Oonopidae), with notes on Oonops. American Museum Novitates 3672:1-72.). All known specimens from Brazil are females, but the low number of samples prevents any claim on a parthenogenetic condition in Brazilian populations.

Distribution. According to Platnick & Dupérré (2009bPlatnick, N. I. & Dupérré, N. 2009b. The goblin spider genus Heteroonops (Araneae, Oonopidae), with notes on Oonops. American Museum Novitates 3672:1-72.), this species has a Pantropical distribution, but only two records in the South American countries were provided so far, from Colombia and Venezuela. Here the first Brazilian records of H. spinimanus are presented, from states of Bahia, São Paulo and Rio Grande do Sul (Fig. 59).

Material examined. BRAZIL. Bahia: Itamaraju (16°59’26”S - 39°25’55”W, ♀, 14.IV.2011, C. M. P. Leite leg. (IBSP 166615); Jaguaripe (13°10’39”S - 38°59’51”W), 6♀, 02.III.2011, C. M. P. Leite leg. (IBSP 166616-166618); São Paulo: São Paulo, Vila Butantã, 2♀, 18.I.2000, F. S. Cunha leg. (IBSP 30397; IBSP 32967); Ubatuba, Parque Estadual da Ilha Anchieta (23°32’S - 45º03’W), ♀, 23-30.VII.2001, Equipe Biota (IBSP 69884); Rio Grande do Sul: Porto Alegre, Jardim Botânico, ♀, 02.I.2013 (MCN 49944); 2♀, 3.V.2013 (MCN 49945); 2♀, 5.VII.2013, all collected by G. O. Silva et al.

Orchestina pavesiiformis Saaristo, 2007Saaristo, M. I. 2007. The oonopid spiders (Aranei: Oonopidae) of Israel. Arthropoda Selecta 15:119-140.

(Figs 49- 52, 61)

Orchestina pavesiiformisSaaristo, 2007:124, figs 16, 18, 20, 21Saaristo, M. I. 2007. The oonopid spiders (Aranei: Oonopidae) of Israel. Arthropoda Selecta 15:119-140. (male holotype from Israel, Jerusalem, deposited in HUJ 14220; male paratype, same locality in MZUT 3703; female paratype, same locality, in MZUT 3704; female paratype, same locality, in HUJ 15326; female paratype, same locality, in HUJ 14184); Izquierdo & Ramírez, 2017:24, figs 11, 17D-F, 19G, 20N, O, 22D, maps 1, 25Izquierdo, M. A. & Ramirez, M. J. 2017. Taxonomic revision of the jumping goblin spiders of the genus Orchestina Simon, 1882, in the Americas (Araneae: Oonopidae). Bulletin of the American Museum of Natural History 410:1-362..

Diagnosis. Both sexes have lateral setae on the carapace margins, a character exclusive in relation to other native American species. Males can be distinguished from those of the American species by the dorsal V-pattern on the abdomen (see Izquierdo & Ramírez, 2017:24, fig. 11A-CIzquierdo, M. A. & Ramirez, M. J. 2017. Taxonomic revision of the jumping goblin spiders of the genus Orchestina Simon, 1882, in the Americas (Araneae: Oonopidae). Bulletin of the American Museum of Natural History 410:1-362.) and by the shape of the embolus, sinuous and with distal extensions (Fig. 51; Izquierdo & Ramírez, 2017, figs 17D-F, 20N, OIzquierdo, M. A. & Ramirez, M. J. 2017. Taxonomic revision of the jumping goblin spiders of the genus Orchestina Simon, 1882, in the Americas (Araneae: Oonopidae). Bulletin of the American Museum of Natural History 410:1-362.). Females have genitalia with external pockets and an anterior receptaculum widened at its base with V-shaped anterior apodemes at the tip (Fig. 52; Izquierdo & Ramírez, 2017Izquierdo, M. A. & Ramirez, M. J. 2017. Taxonomic revision of the jumping goblin spiders of the genus Orchestina Simon, 1882, in the Americas (Araneae: Oonopidae). Bulletin of the American Museum of Natural History 410:1-362.:24, figs 19G, 22D).

Description. Male and female, see Izquierdo & Ramírez (2017: 24Izquierdo, M. A. & Ramirez, M. J. 2017. Taxonomic revision of the jumping goblin spiders of the genus Orchestina Simon, 1882, in the Americas (Araneae: Oonopidae). Bulletin of the American Museum of Natural History 410:1-362.).

Biology. According Izquierdo & Ramírez (2017Izquierdo, M. A. & Ramirez, M. J. 2017. Taxonomic revision of the jumping goblin spiders of the genus Orchestina Simon, 1882, in the Americas (Araneae: Oonopidae). Bulletin of the American Museum of Natural History 410:1-362.) this species has been introduced into many countries and its natural origin is still unknown. In Argentina, it has been collected in disturbed environments and in houses or other human buildings. Specimens were observed walking on walls, furniture and collected in leaf litter. In Brazil, it has been collected in the interior of houses as well as in the interior of disturbed caves.

Distribution. According to Izquierdo & Ramírez (2017Izquierdo, M. A. & Ramirez, M. J. 2017. Taxonomic revision of the jumping goblin spiders of the genus Orchestina Simon, 1882, in the Americas (Araneae: Oonopidae). Bulletin of the American Museum of Natural History 410:1-362.), this species occurs in Israel, United States, Portugal, Brazil, and Argentina (Fig. 61).

Material examined. In addition to the Brazilian material recorded to the states of São Paulo and Minas Gerais by Izquierdo & Ramírez (2017Izquierdo, M. A. & Ramirez, M. J. 2017. Taxonomic revision of the jumping goblin spiders of the genus Orchestina Simon, 1882, in the Americas (Araneae: Oonopidae). Bulletin of the American Museum of Natural History 410:1-362.), only one specimen is reported here, from state of São Paulo, São Paulo, campus of Instituto Butantan, building of LECZ, collected manually on the table, ♀, 26.VII.2017, A. D. Brescovit leg. (IBSP 221179).

Orchestina dentifera Simon, 1893

(Figs 53- 57, 61)

Figs 49-57
Figs 49-52, Orchestina pavesiiformisSaaristo, 2007Saaristo, M. I. 2007. The oonopid spiders (Aranei: Oonopidae) of Israel. Arthropoda Selecta 15:119-140., male: 49, dorsal; 51, palp retrolateral. Female: 50, dorsal; 52, genitalia, ventral; 53-57. Orchestina dentifera Simon, 1893, male: 53, dorsal; 55, projection of the chelicerae; 56, palp retrolateral. Female: 54, dorsal; 57, genitalia, ventral.

Orchestina dentiferaSimon, 1893cSimon, E. 1893c. Histoire naturelle des araignées. Paris, Librairie encyclopedique de Roret, v. 1, p.257-488.:248 (one male, four females, and one juvenile syntypes from Sri Lanka (ex Ceylan), Kandy!, deposited in MNHN 6025 [additional number 15250], PBI_OON 50024); Simon, 1893dSimon, E. 1893d. Descriptions de quelques arachnides appartenant aux familles des Leptonetidae et Oonopidae. Annales de la Société Entomologique de France 62:247-248.:294; Dalmas, 1916:232, figs 21, 27Dalmas, R. de. 1916. Révision du genre Orchestina E.S., suive de la description de nouvelles espèces du genre Oonops et d’une étude sur les Dictynidae du genre Scotolathys. Annales de la Société Entomologique de France 85:203-258. .

Orchestina justiniSaaristo, 2001:356, figs 190-195Saaristo, M. I. 2001. Dwarf hunting spiders or Oonopidae (Arachnida, Araneae) of the Seychelles. Insect Systematics & Evolution 32:307-358. (male holotype from Seychelles Islands, Silhouette, Anse Cimitiére, deposited in MZUT 1250, PBI_OON 50030; 3 male and 3 female paratypes, same data, in MZUT 1251, PBI_OON 50029). Izquierdo & Ramírez, 2017:26Izquierdo, M. A. & Ramirez, M. J. 2017. Taxonomic revision of the jumping goblin spiders of the genus Orchestina Simon, 1882, in the Americas (Araneae: Oonopidae). Bulletin of the American Museum of Natural History 410:1-362. (Syn.).

Diagnosis. Orchestina dentifera can be distinguished from O. pavesiiformis by the anterior face of male chelicerae with strong and conical projections on median line (Fig. 55; Izquierdo & Ramírez, 2017, figs 25G, 26B, 27A, EIzquierdo, M. A. & Ramirez, M. J. 2017. Taxonomic revision of the jumping goblin spiders of the genus Orchestina Simon, 1882, in the Americas (Araneae: Oonopidae). Bulletin of the American Museum of Natural History 410:1-362.) and labium with two pairs of large and flattened setae (see Izquierdo & Ramírez, 2017:26, fig. 27BIzquierdo, M. A. & Ramirez, M. J. 2017. Taxonomic revision of the jumping goblin spiders of the genus Orchestina Simon, 1882, in the Americas (Araneae: Oonopidae). Bulletin of the American Museum of Natural History 410:1-362.). Females are distinguished from O. pavesiiformis by the epigastric region with highly convex ridge, anterior receptaculum with wide, rounded base, bifid tip; posterior receptaculum present, posterior apodeme bar-shaped (Fig. 57; Izquierdo & Ramírez, 2017:26, figs 41A, 44CIzquierdo, M. A. & Ramirez, M. J. 2017. Taxonomic revision of the jumping goblin spiders of the genus Orchestina Simon, 1882, in the Americas (Araneae: Oonopidae). Bulletin of the American Museum of Natural History 410:1-362.).

Description. Male and female, see Izquierdo & Ramírez (2017:26, figs 25-27, 36D-F, 41A, 43, 44CIzquierdo, M. A. & Ramirez, M. J. 2017. Taxonomic revision of the jumping goblin spiders of the genus Orchestina Simon, 1882, in the Americas (Araneae: Oonopidae). Bulletin of the American Museum of Natural History 410:1-362.).

Biology. In Brazil, specimens were found inside or around houses and in building constructions.

Distribution. According to Izquierdo & Ramírez (2017Izquierdo, M. A. & Ramirez, M. J. 2017. Taxonomic revision of the jumping goblin spiders of the genus Orchestina Simon, 1882, in the Americas (Araneae: Oonopidae). Bulletin of the American Museum of Natural History 410:1-362.), this species occurs in Sri Lanka, Seychelles, Isla Reunion (Indian Ocean), Tanzania, Haiti, Jamaica and Brazil (Fig. 61).

Figs 58, 59.
Brazilian records of: 58, Brignolia dasysterna and B. pauropunctata; 59, Xestaspis parmata, Heteronoops spinimanus, Ischnothyreus peltifer and I. velox.

Figs 60, 61.
Brazilian records of: 60, Pelicinus marmoratus and Triaeris stenaspis; 61, Orchestina pavesiiformis, O. dentifera, Opopaea concolor and O. deserticola.

Material examined. In addition to the Brazilian material recorded to the states of Pará and Bahia by Izquierdo & Ramírez (2017Izquierdo, M. A. & Ramirez, M. J. 2017. Taxonomic revision of the jumping goblin spiders of the genus Orchestina Simon, 1882, in the Americas (Araneae: Oonopidae). Bulletin of the American Museum of Natural History 410:1-362.), only three specimens are recorded here: Rio de Janeiro, Rio de Janeiro, Campus UFRJ, 2♀, 23.IX.2010, Students from Universidade Federal do Rio de Janeiro leg. (IBSP 167792); Bahia, Salvador, Parque Metropolitano do Pituaçu, ♂, 19.I-26.II.2008, D. U. Sena leg. (IBSP 126003).

DISCUSSION

Brazil has currently 149 known species of Oonopidae (World Spider Catalog, 2019World Spider Catalog 2019. World Spider Catalog. Version 19.5. Natural History Museum Bern. Available at Available at http://wsc.nmbe.ch . Accessed on 15 March 2019.
http://wsc.nmbe.ch...
), of which 12 are non-native, representing 8% of the described diversity of oonopids in the country. Some species appear to have been introduced in as early as the first half of the 20th century and have large distribution ranges, as shown in the data of the examined material and Table I. Noteworthy, among the oldest records are the ones of Opopaea species, O. concolor and O. deserticola, sampled as early as 1935 and 1946, respectively (Tab. I). These species are mainly peridomiciliary dwellers and records in native areas are very rare, despite being in the country by at least 70 years. The most intriguing case is perhaps that of O. deserticola, which is apparently well established in the Pirizal regions of the Pantanal, state of Mato Grosso, where they are commonly found in canopies (Battirola et al., 2004Battirola, L. D.; Marques, M. I.; Adis, J. & Brescovit, A. D. 2004. Aspectos ecológicos da comunidade de Araneae (Arthropoda: Arachnida), em copas da palmeira Attalea phalerata Mart. (Arecaceae) no Pantanal de Mato Grosso, Brasil. Revista Brasileira de Entomologia 48:421-430.).

Judging only by the collecting dates here reported, the most recent introductions would be those of Orchestina dentifera and Pelicinus marmoratus, with records dated as recently as 2008 and 2009 respectively. The populations of these species are apparently small and restricted to a few scattered portions of the Brazilian territory: P. marmoratus was found only in the state of Pará, with a single record in an urban area, while O. dentifera was recorded along Atlantic coastal areas in three states (Pará, Bahia and Rio de Janeiro). It is not clear at this point if the Brazilian populations of these two species are not yet viable (being continually refilled with new specimens introduced anthropochorically) or represent already established populations that were undersampled in most environments.

The records of the remaining species are also recent, sampled in the last 10 years. The species Triaeris stenaspis appears to have the largest distribution range in the country, being the species that has invaded the largest number of natural areas. Assuming that the sampling dates are reliable indicators of a recent arrival, the success of this species in invading and colonizing both urban areas and natural habitats in all Brazilian biomes, including cave environments, could only be explained by the explosive reproduction rates allowed by parthenogenesis, a reproductive trait already proved by Korenko et al. (2009Korenko, S.; Šmerda, J. & Pekár, S. 2009. Life-history of the parthenogenetic oonopid spider, Triaeris stenaspis (Araneae: Oonopidae). European Journal of Entomology 106:217-223.) to occur in at least one population of this species. Heteroonops spinimanus also appears to have been introduced very recently and, to date, has been recorded in three Brazilian states, also along the Atlantic coast. Being considered another possible parthenogenetic species (see discussion in Platnick et al., 2009b:3, 4Platnick, N. I. & Dupérré, N. 2009b. The goblin spider genus Heteroonops (Araneae, Oonopidae), with notes on Oonops. American Museum Novitates 3672:1-72.), it may well reach quite quickly a wider distribution range in the country.

The richness and abundance of introduced Oonopidae species that eventually colonized urban areas in Brazil highlights the potential deleterious effects of these aliens on native spider populations and communities. Unfortunately, studies on the ecological effects of introduced spiders are sparse and there are a general lack of reliable data properly addressing critical questions for conservation, such as degrees of direct competition, rates of species substitution and the chain effects on the affected ecosystems, even the allegedly simplified ones, as is the case of caves. Cave environments could be particularly affected since they are prone to contain endemic faunistic components, maintaining species with varying degrees of troglomorphisms and population sizes. This issue deserves urgent attention regarding the implementation of studies to prevent, stop or at least reduce the expansion of these small invasive spiders in those environments.

Tab. I
Number of records and earliest recorded year of introduction of invasive oonopids in Brazil.

Acknowledgments

Leonardo Carvalho, an anonymous referee and the editors made valuable comments and suggestions on the manuscript. This study was financed by Vale S.A., Conselho Nacional do Desenvolvimento Científico e Tecnológico (CNPq Grant PQ 303028/2014-9 to ADB and PQ 304965/2012-0 to ABB) and Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP Grant 2011/50689-0 to ADB). An ADB research visit to Belém in 2017 was sponsored by the Programa de Capacitação Institucional (PCI MPEG/MCTIC). To Matías J. Izquierdo for lending photographs of the Orchestina species relevant to this paper.

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Publication Dates

  • Publication in this collection
    09 Sept 2019
  • Date of issue
    2019

History

  • Received
    09 Nov 2018
  • Accepted
    03 July 2019
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