Ommatius cinthiae Vieira, Castro & Bravo

Vieira, Rodrigo, Castro, Ivan & Bravo, Freddy, 2004, Two new species of Ommatius Wiedemann (Diptera: Asilidae) from Brazil, Zootaxa 764, pp. 1-7 : 2-3

publication ID 10.5281/zenodo.158814

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Ommatius cinthiae Vieira, Castro & Bravo

new species

Ommatius cinthiae Vieira, Castro & Bravo new species ( Figs. 1–6 View FIGURES 1 – 6 )

Male. Length: body, 12.0 mm; wing, 8.0 mm. Body brownish to black. Face and frons with golden vestiture; face with four brown bristles mystax; FHWR (face­to­head ratio) 1 /10.6. Palpus with yellowish to brown setose. FWLR (width­to­length ratio of flagellum) 1 /4.8. Occiput with six brown postocular bristles on each side of head, four proclinate.

Mesonotum with three prominent dorsocentral bristles in each row; two notopleural bristles; one postalar bristle; one subalare bristle; prominent anepimeral bristle absent; katatergite with yellow bristles. Scutellum with two weak marginal bristles.

Pleuron mostly grayish tomentose; wing with costal margin slightly dilated. Legs mostly yellow; fore and middle femora with apical fourth brownish to black. Hind femora and hind tibiae with apical one­third brown. Mid femora with a pale, long, thin, preapical, dorsoposterior seta; basal half of middle femora with four anteroventral bristles. Hind femora with four dark brown bristles ventrally, and one basal pale bristle. HFWLR (width­tolength of hind femur) 1 /3.6. Hind tibiae with a small, spurlike, apical bristle. Fore and middle tarsi with basal segments in part yellowish; fore tarsus with three yellow bristles in lateral view.

Abdomen with dark brown tomentum in dorsal view; sides of tergites and sternites 1– 3, with pale yellowish vestiture.

Terminalia blackish. Epandrium with truncate apex, and posterior acute projection ( Fig. 1 View FIGURES 1 – 6 ); internal margin of epandrium slightly sclerotized ( Fig. 1 View FIGURES 1 – 6 ); anterior margin of epandrium with a small protuberance ( Fig. 1 View FIGURES 1 – 6 ); lateral margin straight in lateral view ( Fig. 6 View FIGURES 1 – 6 ). Hypandrium shield­like with posterior margin triangular and anterior margin straight ( Fig. 5 View FIGURES 1 – 6 ). Gonostylus narrow in lateral view, with acute projection at the apex ( Fig. 4 View FIGURES 1 – 6 ). Apex of the aedeagus slightly truncate in lateral view ( Fig. 2 View FIGURES 1 – 6 ); aedeagal apodeme with round apex in lateral view ( Fig. 2 View FIGURES 1 – 6 ). Aedeagal sheath with posterior margin straight in ventral view ( Fig. 3 View FIGURES 1 – 6 ).

Type material. Holotype male: Brazil, Bahia, Santa Terezinha municipality, Serra da Jibóia, 19.03. 2003, Ivan Castro col. ( CUFS).

Etymology. The name cinthiae is dedicated to Cínthia Barreto Chagas. Remarks. Ommatius cinthiae is readily recognized from congeners by the combined characters of the terminalia ( Figs. 1–6 View FIGURES 1 – 6 )