Opeatocerata trilobata Câmara & Rafael

Câmara, J. T. & Rafael, J. A., 2014, Revision of Opeatocerata Melander, 1928 (Diptera: Empididae: Empidinae), Zootaxa 3846 (4), pp. 502-546 : 541

Opeatocerata trilobata Câmara & Rafael

( Figs 195–194 )

Opeatocerata trilobata Câmara & Rafael, 2011: 40 .

Diagnosis. Abdomen with subrectangular black spots on sides of tergites 3–6 ( Fig. 195 ). Posterior cercus subrectangular, truncated at apex ( Fig. 197 ), with dorsal and ventral projections ( Fig. 196 ). Subepandrial sclerite Vshaped dorsally ( Fig. 198 ). Phallus short, as long as hypandrium, with apex trilobate ( Figs 199, 200 ). Female with sternite 8 wider at base, anterior margin with inverted shallow V-shaped sulcus ( Fig. 201 ); genital fork with base entirely thin, arms longer than base ( Fig. 202 ); tergite 10 shorter than half length of tergite 8, divided in two subtriangular plates ( Fig. 201 ).

Description. See Câmara & Rafael (2011).

Geographical distribution. Brazil (Amazonas) ( Fig. 211 ).

Additional material. Brazil, Amazonas. Manaus, PDBFF /WWF, Proj[eto] Bert Klein, viii.1985, Malaise, Reserva 1208 (3 ♂, INPA). Idem, Reserva 1301 (1 ♂ INPA). Idem Reserva Rio Cueiras, ZF2, Torre, 8.v.2010, Varredura, J.A. Rafael (2 ♂ MZUSP). Idem, Reserva Ducke, Miconia nervosa , 16.v.1991, J.F. Vidal (1 ♂ INPA). Idem, R[eserva] Ducke, Varredura, 13.x.1992, J. Vidal (1 ♂ MPEG). Idem, C[ampus] Univ[ersitário], 1.vi.1982. J.A. Rafael (1 ♂ INPA). idem, ii.1979. J.A. Rafael (1 ♂ INPA). Itacoatiara, Madereira Mil., 21–26.xi.1999, Malaise, J. Vidal (1 ♂ INPA).

Variation. Phallus with dorsal spines on ventral lobe.

Figures

FIGURE 211. Geographic distribution of species of Opeatocerata.

FIGURES 195 – 202. Opeatocerata trilobata Câmara & Rafael, 2011, paratype ♂ (195 – 200) and paratype ♀ (201, 202). 195. tergites 4 – 8, dorsal view; 196, lobes of cerci, dorsal view; 197. terminalia, lateral view; 198. subepandrial sclerite and bacilliform sclerite, dorsal view; 199. ejaculatory apodeme, phallus and hypandrium, lateral view; 200. phallus, dorsal view; 201. tergites 8 and 10, dorsal view and sternites 8 and 10, ventral view; 202. genital fork.