Opeatocerata melanderi Câmara & Rafael

Câmara, J. T. & Rafael, J. A., 2014, Revision of Opeatocerata Melander, 1928 (Diptera: Empididae: Empidinae), Zootaxa 3846 (4), pp. 502-546 : 527

Opeatocerata melanderi Câmara & Rafael

( Figs 123–128)

Opeatocerata melanderi Câmara & Rafael, 2011: 3 .

Diagnosis. Abdomen predominantly yellow except lateral margins of tergites 1–7 brown ( Fig. 123). Anterior cercus with dorsal subrectangular projection ( Fig. 125) directed anteriorly ( Fig. 124). Posterior cercus with rounded apex and small ventral protuberance ( Fig. 124). Phallus subcylindrical, wider medially, longer than hypandrium ( Fig. 126), and with subapical lobes and four denticles on apex, both best seen in ventral view ( Fig. 127). Female with tergite 8 subrectangular ( Fig. 128); sternite 8 wider at base, anterior margin with V-shaped sulcus occupying more than half of sternite ( Fig. 128); genital fork wider at base and arms shorter than base ( Fig. 128).

Description. See Câmara & Rafael (2011).

Geographical distribution. Brazil (Amazonas and Roraima new record) ( Fig. 211).

Additional material. Brazil, Amazonas. BR 174, ZF – 2, Km 41, 4– 12.xi. 1991, F. Xavier (2 ♀, INPA). Roraima, Amajari, Serra Tepequém, 03º 44 ’ 45.5 ”N 61 º 43 ’ 39 ”W, 10–11.vii. 2010, J.A. Rafael, T.K. Krolow. arm[adilha] luminosa móvel (1 ♂, INPA).