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Revista Brasileira de Zoologia

Print version ISSN 0101-8175

Rev. Bras. Zool. vol.22 no.2 Curitiba June 2005 



Additional morphological characters and a new host for Aceria gymnoscuta Navia & Flechtmann (Acari, Eriophyidae)


Caracteres morfológicos adicionais e um novo hospedeiro para Aceria gymnoscuta Navia & Flechtmann (Acari, Eriophyidae)



Marcos R. BelliniI; Reinaldo J. F. FeresII; Gilberto J. de MoraesIII

IDepartamento de Fitossanidade, Universidade Estadual Paulista. 14884-900 Jaboticabal, São Paulo, Brasil. E-mail:
IIDepartamento de Zoologia e Botânica, Universidade Estadual Paulista. 15054-000 São José do Rio Preto, São Paulo, Brasil. E-mail:
IIIDepartamento de Entomologia, Fitopatologia e Zoologia Agrícola, Escola Superior de Agricultura Luiz de Queiroz, Universidade de São Paulo. 13418-900 Piracicaba, São Paulo, Brasil. CNPq Researcher. E-mail:




Aceria gymnoscuta Navia & Flechtmann, 2002 was originally described based on specimens collected on Syagrus cocoides Mart. and Syagrus flexuosa (Mart.) Becc. (Arecaceae). Slight variations in the dorsal shield pattern and the sternal line, in relation to the original description, and details on male and female genitalia are mentioned in this paper, based on specimens collected on a new host, Syagrus oleracea (Mart.) Becc..

Key words: Arecaceae, Eriophyoidea, mite, taxonomy.


Aceria gymnoscuta Navia & Flechtmann, 2002 foi originalmente descrita com base em espécimes coletados sobre Syagrus cocoides Mart. e Syagrus flexuosa (Mart.) Becc. (Arecaceae). Pequenas variações no padrão do escudo dorsal e na linha esternal em relação à descrição original e detalhes das genitálias do macho e da fêmea são apresentadas neste trabalho, com base em espécimes coletados sobre um novo hospedeiro, Syagrus oleracea (Mart.) Becc.

Palavras chave: Ácaro, Arecaceae, Eriophyoidea, taxonomia.



Most eriophyoids are quite host specific, reported from single hosts or from few related hosts (KOZLOWSKI & BOCZEK 1987 apud OLDFIELD 1996). However, there are exceptions among eriophyids. Some species may occur on several species of plants (RICE & STRONG 1962). Maybe the same may occur with Aceria gymnoscuta Navia & Flechtmann, 2002. This mite was described based on specimens from fruits of Syagrus cocoides Mart. collected in Campinas and from growing tips of Syagrus flexuosa (Mart.) Becc. (Arecaceae) collected in Jundiaí, both in the State of São Paulo, southeastern Brazil (NAVIA & FLECHTMANN 2002). A. gymnoscuta is reported in this paper on a new host, Syagrus oleracea (Mart.) Becc. Complementary information on the morphology of this mite species is given in this paper based on the analysis of seven females and four males collected on S. oleracea, in Olímpia, State of São Paulo (20º43'53"S, 49º03' 38"W), about 350 km away from the type locality.

On the adult females, the line running antero-laterally to each prodorsal tubercle is only about half as long as the prodorsal seta (sc) (Fig. 1a instead of almost as long as that seta, indicated in the original description. The sternal line, though light, is distinguishable (Fig. 2), rather than indistinct as in the type specimens. Figures 3-5 show some details of female and male genitalia not provided in the original description.



The new information on morphological characters as well as the variation of measurements (Tabs I e II) may facilitate future identification of A. gymnoscuta.



To C.H.W. Flechtmann and D. Navia for confirming the identification of the species and for comments on this note. This work was supported by the State of São Paulo Research Foundation (FAPESP) within the BIOTA/FAPESP – The Biodiversity Virtual Institute Program (, and corresponds to part of the MS dissertation of the senior author.



NAVIA, D. & C.H.W. FLECHTMANN. 2002. Mite (Arthropoda, Acari) associates of palms (Arecaceae) in Brazil: VI. New genera and new species of Eriophyidae and Phytoptidae (Prostigmata: Eriophyoidea). International Journal of Acarology, West Bloomfield, 28 (2): 121-146.        [ Links ]

OLDFIELD, G.N. 1996. Diversity and host plant specificity, p. 199-216. In: E.E. LINDQUIST; M.W. SABELIS & J. BRUIN (Eds). Eriophyoid mites. Their biology, natural enemies and control. Amsterdam, Elsevier, 790p.        [ Links ]

RICE, R.E. & F.E. STRONG. 1962. Bionomics of the tomato russet mite, Vasates lycopersici (Massee). Annals of the Entomological Society of America, Lanham, 55 (4): 431-435.        [ Links ]



Received in 17.VIII.2004; accepted in 19.V.2005.

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