Trichomyia cetrae Araújo & Bravo sp. nov.

(Figs. 4A–G)

Diagnosis. Medial posterior expansion on gonocoxite, apically bifurcate; gonostylus bifurcate, sclerotized, articulated ventrally at gonocoxite; aedeagal complex with two pairs of projections, one dorsal subtriangular and one ventral wider than dorsal projection; ejaculatory apodeme twice the length of gonostylus.

Description. Male. Head subcircular in frontal view. Antenna incomplete in the studied specimens; scape as long as the subspherical pedicel; (Fig. 4A); flagellomeres pyriform and eccentric; ascoids twice the length of flagellomere (Fig. 4B). Palpus formula 1.0:0.7:0.9 (Fig. 4C). Wing. R4+5 incomplete at base; r-m and m-cu absent (Fig. 4D). Male terminalia: Hypandrium fused with gonocoxites, with medial posterior expansion, apically bifurcate (Fig. 4E). Arm of gonocoxites L inverted shaped in lateral view (Fig. 4G) and with elongated bristles along the medial margin. Gonostylus bifurcate, sclerotized, articulated dorsally at gonocoxite (Fig. 4E). Two pairs of projections in the aedeagal complex dorsal pair subtriangular, ventral pair wider than dorsal projections in the aedeagal complex (Fig. 4G). Aedeagus truncated in the apex (Fig. 4E). Ejaculatory apodeme twice the length of gonostylus (Figs. 4E, 4G). Epandrium pilose, apically wider than basally (Fig. 4F). Cercus pilose (Figs. 4E), rhomboid in lateral view (Fig. 4G). Hypoproct with apical micropilosity (Fig. 4F).

Female. Unknown.

Material examined. Brazil, Bahia, Cachoeira municipality, Fazenda Villa Rial, 24.V.2004, holotype ♂, F. Bravo leg. (MZUEFS).

Etymology. The epithet cetrae is an allusion to the shape of the male terminalia that resembles a scepter.

Distribution. Brazil—Bahia