Trichomyia conchulata Araujo & Bravo, sp. nov.

Trichomyia conchulata Araújo & Bravo sp. nov.

(Figs. 23A–H)

Diagnosis. M2 not reaching M1, one pair of parameres with pointed apex; arm of gonocoxite with a row of nine rodlike bristles; one pair of subtriangular projections in the aedeagal complex; sclerotized; ejaculatory apodeme 1.15 times the length of gonostylus; aedeagus bifid, with tips united apically; epandrium subtriangular.

Description. Male. Head subcircular in frontal view. Antenna with 13 flagellomeres; scape subcylindrical; pedicel subspherical; basal flagellomeres pyriform and eccentric (Fig. 23A); ascoid about the same length as the flagellomere (Fig. 23C); 13th flagellomere subcylindrical with terminal apiculus separated by suture (Fig. 23E). Palpus three segmented; first segment with sensilla in depressed pit on medial surface; palpus formula 1.0:0.8:0.6 (Fig. 23B). Wing. R4+5 incomplete at base; M2 not reaching M1, r-m and m-cu absent (Fig. 23D). Male terminalia: Hypandrium and gonocoxites fused. One pair of parameres with pointed apex. Arm of gonocoxite curved and medially directed, with a row of nine rod-like bristles. Gonostylus slightly sclerotized, articulated ventrally to gonocoxite, bare. Aedeagal complex with one pair of sclerotized subtriangular projections. Aedeagus bifid, with tips united apically (Figs. 23F, 23H). Ejaculatory apodeme 1.15 times the length of gonostylus. Epandrium pilose, subtriangular, longer than wide. Cercus curved with apical bristles. Hypoproct with apical micropilosity and epiproct expanded basally, subtriangular/oval. Epiproct subtriangular, membranous and with rounded apex (Figs. 23F, 23G).

Female. Unknown.

Material examined. Brazil, Amazonas, Manacapuru, Estrada do Cajatuba, Sítio do Sr Simplício, 24– 25.IV.1998, holotype ♂, without name of collector (MZFS); 3 paratypes: 1 ♂, Amazonas, Manacapuru, Cajatuba, Km 69/3, 6.X.1998, without name of collector (MZFS); 1 ♂, Amazonas, Manacapuru, Cajatuba, Km 69/3, 9.X.1998, without name of collector (INPA); 1 ♂, Pará, Novo Repartimento, Ramal dos sem terra, 22.VIII.1998, without name of collector (MZFS).

Etymology. From Latim, conchulata = small shell, refers to the shape of cercus.

Distribution. Brazil—Amazonas, Pará.