Ommatius: synonyms, new record, redescription of Ommatius erythropus and description of the female of Ommatius trifidus (Diptera: Asilidae: Ommatiinae)

Ommatius erythropus Schiner, 1867 is redescribed and a lectotype is established. The female of Ommatius trifidus Vieira, Bravo & Rafael, 2010 is described and a new record is provided. Ommatius ruficaudus Curran, 1928 is established as a new synonym of Ommatius pulcher (Engel, 1885). An identification key is presented to the Ommatius costatus species group. A map with the geographic records is provided.

KEY WORDS:
Brachycera; costatus group; Neotropical; normus group

Authorship

Sheila Lima

Coordenação de Pesquisas em Biodiversidade, Instituto Nacional de Pesquisas da Amazônia, Campus II. Avenida André Araújo, 2936, Aleixo, 69060-001 Manaus, AM, Brazil.Instituto Nacional de Pesquisas da AmazôniaBrazilManaus, AM, BrazilCoordenação de Pesquisas em Biodiversidade, Instituto Nacional de Pesquisas da Amazônia, Campus II. Avenida André Araújo, 2936, Aleixo, 69060-001 Manaus, AM, Brazil.

Rodrigo Vieira ^**Corresponding author: Rodrigo Vieira (rodrigo08vieira@gmail.com)

Alexssandro Camargo

Cínthia Chagas

Instituto de Criminalística, Polícia Civil do Amazonas. Avenida Noel Nutels 300, Cidade Nova 2, 69040-000 Manaus, AM, Brazil.Polícia Civil do AmazonasBrazilManaus, AM, BrazilInstituto de Criminalística, Polícia Civil do Amazonas. Avenida Noel Nutels 300, Cidade Nova 2, 69040-000 Manaus, AM, Brazil.

^*Corresponding author: Rodrigo Vieira (rodrigo08vieira@gmail.com)

Author Contributions:

SL, RV, AC, and CC wrote the introduction, material and methods, and key to species of the Ommatius costatus group; SL photographed O. trifidus and O. pulcher and described the female of O. trifidus; AC photographed and redescribed O. erythropus; RV and CC synonymized O. ruficaudus with O. pulcher.

Competing Interests:

The authors have declared that no competing interests exist.

SCIMAGO INSTITUTIONS RANKINGS

Figures

Figures (7)

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Figure 1
Geographic records of (() Ommatius trifidus, (() O. pulcher and (() O. ruficaudus syn. nov.

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Figures 2-8
Ommatius erythropus, lectotype male: (2) habitus, lateral view; (3) head and thorax, lateral view; (4) head, frontal view; (5) head and thorax, dorsal view; (6) abdomen, dorsal view; (7) wing; (8) hind femora, lateral view. Scale bars: 1.0 mm.

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Figures 9-14
Ommatius erythropus, lectotype male: (9) terminalia, dorsal view; (10) epandrium, posterior view; (11) terminalia, posterior view; (12) terminalia, lateral view; (13) terminalia, ventral view; (14) labels. Scale bars: 0.5 mm.

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Figures 15-16
Ommatius pulcher, male: (15) habitus, dorsal view; (16) habitus, lateral view. Scale bars: 1.0 mm.

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Figures 17-23
Ommatius ruficaudus syn. nov., holotype male: (17) habitus, lateral view, (18) head and thorax, lateral view; (19) head, frontal view; (20) wing; (21) head and thorax, dorsal view; (22) terminalia, posterior view; (23) labels. Scale bars: 17, 20 = 2 mm, 18, 19, 21, 22 = 1.0 mm.

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Figures 24-30
Ommatius ruficaudus syn. nov., holotype female: (24) habitus, lateral view; (25) head and thorax, lateral view; (26) head, frontal view; (27) wing; (28) head and thorax, dorsal view; (29) terminalia, posterior view; (30) labels. Scale bars: 20-28 = 2.0 mm, 29 = 1.0 mm.

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Figures 31-35
Ommatius trifidus: (31) male habitus, lateral view; (32) female habitus, lateral view; (33) tergite IX+X and cercus, dorsal view; (34) sternite VIII; (35) sternite VIII and spermathecae. Scale bars: 31, 32 = 3.0 mm, 33-35 = 0.5 mm.

Figure 1 Geographic records of (() Ommatius trifidus, (() O. pulcher and (() O. ruficaudus syn. nov.

Figures 2-8 Ommatius erythropus, lectotype male: (2) habitus, lateral view; (3) head and thorax, lateral view; (4) head, frontal view; (5) head and thorax, dorsal view; (6) abdomen, dorsal view; (7) wing; (8) hind femora, lateral view. Scale bars: 1.0 mm.

Figures 9-14 Ommatius erythropus, lectotype male: (9) terminalia, dorsal view; (10) epandrium, posterior view; (11) terminalia, posterior view; (12) terminalia, lateral view; (13) terminalia, ventral view; (14) labels. Scale bars: 0.5 mm.

Figures 15-16 Ommatius pulcher, male: (15) habitus, dorsal view; (16) habitus, lateral view. Scale bars: 1.0 mm.

Figures 17-23 Ommatius ruficaudus syn. nov., holotype male: (17) habitus, lateral view, (18) head and thorax, lateral view; (19) head, frontal view; (20) wing; (21) head and thorax, dorsal view; (22) terminalia, posterior view; (23) labels. Scale bars: 17, 20 = 2 mm, 18, 19, 21, 22 = 1.0 mm.

Figures 24-30 Ommatius ruficaudus syn. nov., holotype female: (24) habitus, lateral view; (25) head and thorax, lateral view; (26) head, frontal view; (27) wing; (28) head and thorax, dorsal view; (29) terminalia, posterior view; (30) labels. Scale bars: 20-28 = 2.0 mm, 29 = 1.0 mm.

Figures 31-35 Ommatius trifidus: (31) male habitus, lateral view; (32) female habitus, lateral view; (33) tergite IX+X and cercus, dorsal view; (34) sternite VIII; (35) sternite VIII and spermathecae. Scale bars: 31, 32 = 3.0 mm, 33-35 = 0.5 mm.

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Ommatius: synonyms, new record, redescription of Ommatius erythropus and description of the female of Ommatius trifidus (Diptera: Asilidae: Ommatiinae)

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[1] ^*Corresponding author: Rodrigo Vieira (rodrigo08vieira@gmail.com)