Ommatius serrajiboiensis 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 : 3-5

publication ID 10.5281/zenodo.158814

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Ommatius serrajiboiensis Vieira, Castro & Bravo

new species

Ommatius serrajiboiensis Vieira, Castro & Bravo new species ( Figs. 7–13 View FIGURES 7 – 13 )

Male. Length: body, 13.0 mm; wing 10.0 mm. Body dark brown to blackish. Face golden with six brown bristles mystax; FHWR 1 /1.8mm. Palpus yellowish setose. FWLR 1 /5.8. Occiput with seven dark brown postocular bristles.

Mesonotum with four long dorsocentral bristles in each row; two notopleural bristles; one postalar bristle; one subalare bristle; prominent anepimeral bristle absent. Scutellum with two stout marginal bristles. Pleuron mostly yellowish tomentose. Wing with costal margin slightly dilated.

Legs mostly yellow, fore and middle femora with apical one­third brownish. Mid femora with a pale, long, thin, preapical, dorsoposterior seta; Hind femora with five blackish bristles and one pale basal bristle. HFWLR 1 /3.3. Hind tibia with spurlike bristle apically ( Fig. 13 View FIGURES 7 – 13 ). Fore and middle tarsi with basal segments in part yellowish; fore tarsus with one yellow bristle in lateral view.

Abdomen with dark brown tomentum in dorsal view; sides of tergites and sternites 1– 4, with pale yellowish vestiture.

Terminalia blackish. Epandrium with truncate apex, with posterior acute projection ( Fig. 10 View FIGURES 7 – 13 ); lateral margin round in lateral view ( Fig. 12 View FIGURES 7 – 13 ). Hypandrium shield­like with the anterior margin rounded, apex triangular and posterior margin with pair of lateral acute projections ( Fig. 11 View FIGURES 7 – 13 ). Gonostylus subtriangular, with acute projection at the apex ( Fig. 7 View FIGURES 7 – 13 ). Gonocoxite with two blade­like projections nearest the apex in ventral view ( Fig. 11 View FIGURES 7 – 13 ). Apex of the terminal filament of the aedeagus acute in lateral view ( Fig. 8 View FIGURES 7 – 13 ); aedeagal sheath with anterior margin curved in ventral view and with two small blade­like lateral projections on the base of the edeagal filament ( Fig. 9 View FIGURES 7 – 13 ); aedeagal apodeme with posteroventral margin straight at base, in lateral view ( Fig. 8 View FIGURES 7 – 13 ).

Type material. Holotype male: Brazil, Bahia, Santa Terezinha municipality, Serra da Jibóia, 15.03. 2001, Ivan Castro col. ( CUFS).

Etymology. This species is named for the collection locality.

Remarks. Ommatius serrajiboiensis is readily recognized from congeners by the combined characters of the terminalia ( Figs. 7–12 View FIGURES 7 – 13 ).