Trichomyia anira Araújo & Bravo sp. nov.

(Figs. 2A–I)

Diagnosis. Ascoids annulated, apex of Sc unsclerotized, sc-r unsclerotized, R4+5 with base unsclerotized; one pair of dorsal expansion hook-shaped on gonocoxite; one pair of sclerotized projection of aedeagal complex, lanceolate in the apex and fused U-shaped basally; cercus with an expansion with apical bristles.

Description. Male. Head subcircular in frontal view. Antenna with scape subcylindrical; pedicel subspherical; flagellomeres piriform and eccentric; ascoids 1.8 times as long as the length of flagellomere, annulated (Fig. 2B). 13th flagellomere subcylindrical with terminal apiculus separated by a suture (Fig. 2C). Palpus three segmented; first segment with sensilla in depressed pit on medial surface; palpus formula 1.0:0.6:0.6 (Fig. 2A). Wing. apex of Sc unsclerotized, sc-r unsclerotized, R4+5 with base unsclerotized; r-m and m-cu absent (Fig. 2E). Male terminalia: Hypandrium and gonocoxites fused with one pair of dorsal expansion hook-shaped, with thin tip. Arm of gonocoxite digitiform with an elongated bristle laterobasal. Gonostylus lightly sclerotized, articulated ventrally to gonocoxite, bare and with expanded base (Figs. 2H, 2I). Aedeagal complex with one pair of sclerotized projection, fused at apex, L-shaped and fused basally, U-shaped, involving the aedeagus. Aedeagus expanded apically. Ejaculatory apodeme long, 1.6 times the length of gonostylus (Fig. 2G). Epandrium longer than wide (Figs. 2F, 2I). Cercus digitiform with an expansion with five apical bristles with curved apex (Fig. 2D). Hypoproct tapering with apical micropilosity (Fig. 2F).

Female. Unknown.

Material examined. Brazil, Amazonas, Manacapuru, Cajatuba, Km 69/3, 09.X.1998, holotype ♂, without name of colector. (MZFS); 42 paratypes: 18 ♂, same locality and data as holotype (MZFS); 1 ♂, same locality as holotype, Km6, 24–29.X.1997, without name of colector. (MZFS); 6 ♂, same locality as holotype, 20.IV. 1998, R.Q.,R.N.,P.E. (sic.) leg. (MZFS); 5 ♂, Amazonas, Manaus, Reserva Ducke, 26–31.VIII.2011, M.X. Araújo leg. (MZFS); 7 ♂, Amazonas, Pres. Figueiredo, Pitinga, 15.XIII.1998, R.Q.,L.M.C. leg.(MZFS); 1 ♂, Amazonas, Pitinga, R. dos Paturis, 02–04.VI.1998, without name of colector. (MZFS); 2 ♂, Roraima, Pitinga, 13–15.XII.1997, RQ.,R.N.,P.E. (sic.) leg. (MZFS); 2 ♂, Pará, Novo Repartimento, Vic. Bandeirante, Ramal dos sem terra, 22.VIII.1998, without name of colector (MZFS).

Etymology. From tupi, anira = ring, refers to annular appearance of ascoids.

Distribution. Brazil—Amazonas, Roraima, Pará.