Coniceromyia circulata sp. nov.

(Figs. 2C, 8I, 13I, 18E, 24I, 26I)

Diagnosis (male). Wing with round apical macula between M 1 and M 2, foretrochanter with ventral process bearing apical group of curved setae.

Material examined. Holotype ♂, BRAZIL: Amazonas: Tapauá: Rio Ipixuna: Porto Cotinha, 8–13.x.2013, Malaise trap, D.M.M. Mendes col. (MZUSP) [MZ053401].

Description. Male. Body length 1.6 mm. Head. Frons brown, sparsely setulose, with well-defined median furrow. Flagellomere 1 light brown, conical-elongate. Arista apical, slightly longer than flagellomere 1. Palpus light brown. Gena with two setae. Thorax. Scutum, scutellum, and pleural regions brown; anepisternum bare. Legs yellowish-brown, except femora brown. Foretrochanter with ventral process bearing apical group of curved setae. Foretibia with two dorsal setae and anterodorsal row of strong setulae. Foremetatarsus with anterior excavation orange, anteroapical setulose process with strong long seta at its base, base of excavation with group of setulae (Fig. 8I). Foremetatarsus ratio 0.44. Posteroventral face of hind femur with narrow band of tiny blunt setulae (Fig. 18E). Hind femur height/length ratio 0.36. Hind tibia with one dorsal seta in basal half. Wing (Fig. 13I). Round apical macula between M 1 and M 2; Costa swollen, 0.4 of the wing length; R 2 + 3 absent; M 1 concave, curved posteriorly at apex; M 2 approximately concave, CuA 1 -M 2 /M 2 -M 1 ratio 1.03; CuA 1 sinuous. Halter yellowish-brown. Abdomen. Tergites brown. Hypopygium light brown. Left epandrial process dorsally setose, with ventral lobe, dorsal medially directed projection near hypoproct, subepandrial rounded elevation near apex and subepandrial digitiform setulose process. Margin of right lobe of hypandrium without lateral projection. Two setae on hypoproct (Figs. 24I).

Distribution. Known from a single site in Brazilian Amazonia.

Etymology. Name derived from the Latin word circulus, referring to the round apical macula between M 1 and M 2.