Calycomyza ipomoensis Esposito, 1994

Calycomyza ipomoensis Esposito, 1994: 114 .

Diagnosis. Wing length 1.4–1.6 mm. Fronto-orbital predominantly yellowish, brownish to upper fronto-orbital seta; pedicel brown; legs brown, with apex of femur and base of tibia yellow in the fore leg; calypter yellowish, fringe black. Aedeagus (Fig. 2 and 3 in Esposito 1994): basiphallus slightly sclerotized; mesophallus short and globose with one pair of extensions distally; subquadrate sclerite present between mesophallus and distiphallus; distiphallus forming two strong tubules bearing two fused projections distally.

Host-plant. Convolvulaceae— Ipomoea asarifolia (Desr.) Roemer & Schultes.

Distribution. Brazil.

Material examined. BRAZIL, Pará state, Belém: Universidade Federal Rural da Amazônia (UFRA), 1º27′12.2″S, 48º26′12.3″W, 30-XII-1993, M.C. Esposito [collector], ex leaf of Ipomoea asarifolia (♀) ; same loca- tion, 21-II-1994, M.C. Esposito [collector], ex leaf of Ipomoea asarifolia (♂); same data (5 ♀); same location, 30- XII-1993, M.C. Esposito [collector], ex leaf of Ipomoea asarifolia (4 ♂) ; same data (2 ♀) .

Comments. Calycomyza ipomoensis is similar to C. stegmaieri Spencer, from which it is differentiated by the shape of the distiphallus. So far, this species has only been associated with Ipomoea asarifolia, forming blotches on the surface of the leaf with frass deposited in continuous lines.