Downeshelea Wirth & Grogan

Huerta, Herón, Felippe-Bauer, Maria Luiza & Spinelli, Gustavo R., 2012, A new species and new records of Downeshelea Wirth & Grogan in Neotropical Mexico (Diptera: Ceratopogonidae), Zootaxa 3394, pp. 64-68 : 68

Key to male Downeshelea Wirth & Grogan in Mexico

1 Parameres simple, without apical or subapical process ( Fig. 3 A, C) ........................................................................... 2

- Parameres with apical or subapical process.................................................................................................................. 3

2(1).Tergite 9 rounded with anterior margin strongly concave; gonostylus moderately elongate with pointed apex; parameres connected at base, each with steam gradually tapering, gradually tapering distad to pointed, posterolaterally directed apex ( Fig. 3 A, B) ............................... D. grogani Huerta, Felippe-Bauer & Spinelli sp. nov.

-. Tergite 9 triangular with anterior margin slightly concave; gonostylus short, stout apically; parameres separated, stems nearly straight and parallel, apical portion greatly divergent, laterally directed .................................................. ..................................................................................................................... D. fluminensis Felippe-Bauer & Quintelas

3(1).Parameres with long, slender, subapical, straight, needlelike, anteromedial process. D. panamensis (Lane & Wirth)

-. Parameres with long, slender, hornlike, curved apically anteromedial process ......................... D. multilineata (Lutz)

Figures

FIGURE 3. Downeshelea grogani sp. nov. Male. A, terminalia, ventral view; B, aedeagus, ventral view; C, parameres, ventral view. Scale bar: 0.04 mm.