Trichomyia conchulata Araújo & Bravo,

Araújo, Maíra Xavier & Bravo, Freddy, 2016, Description of fourty four new species, taxonomic notes and identification key to Neotropical Trichomyia Haliday in Curtis (Diptera: Psychodidae, Trichomyiinae), Zootaxa 4130 (1), pp. 1-76: 43-44

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Trichomyia conchulata Araújo & Bravo

sp. nov.

Trichomyia conchulata Araújo & Bravo  sp. nov.

( Figs. 23 A –HView FIGURES 23 A – H)

Diagnosis. M 2 not reaching M 1, 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. 23 AView FIGURES 23 A – H); ascoid about the same length as the flagellomere ( Fig. 23 CView FIGURES 23 A – H); 13 th flagellomere subcylindrical with terminal apiculus separated by suture ( Fig. 23 EView FIGURES 23 A – H). Palpus three segmented; first segment with sensilla in depressed pit on medial surface; palpus formula 1.0: 0.8: 0.6 ( Fig. 23 BView FIGURES 23 A – H). Wing. R 4 + 5 incomplete at base; M 2 not reaching M 1, r-m and m-cu absent ( Fig. 23 DView FIGURES 23 A – H). 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. 23 F, 23 HView FIGURES 23 A – H). 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. 23 F, 23 GView FIGURES 23 A – H).

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.


Instituto Nacional de Pesquisas da Amazonia