Omalodini Kryzhanovskij, 1972

Leivas, Fernando W. T., Degallier, Nicolas & Almeida, Lúcia M., 2015, New species of Omalodes and redefinition of the tribe Omalodini (Coleoptera: Histeridae: Histerinae), Zootaxa 3925 (1), pp. 109-119 : 118

Key to identification of the genera of Omalodini Kryzhanovskij, 1972

1 Pronotum with lateral posterior extremity rounded ( Fig. 5 B); prosternum with carinal stria “U”-shaped ( Fig. 6 A ); stria of the first abdominal sternite present anteriorly and laterally ( Fig. 6 D)................................ Ebonius Lewis, 1885

- Pronotum with lateral posterior extremity in angle, not rounded ( Fig. 5 A ); prosternum with carinal striae, if present, represented by two parallel/subparallel striae ( Fig. 6 B–C); stria of the first abdominal sternite present only laterally, sometimes rudimentary ( Fig. 6 E)................................................................ Omalodes Dejean, 1833

Figures

FIGURE 5. A. Pronotum of Omalodes (Omalodes) omega (Kirby, 1818); B. Pronotum of Ebonius politus Lewis, 1885. Scale: 0.5 mm.

FIGURE 6. A. Ebonius politus Lewis, 1885: prothorax in ventral view; B. Omalodes (Omalodes) omega (Kirby, 1818): prothorax in ventral view; C. Omalodes (Diplogrammicus) marseuli Schmidt, 1889: prothorax in ventral view; D. Ebonius politus: meso- and metathorax and first abdominal ventrite; E. Omalodes (Cornillus) binodulus (Lewis, 1910), meso- and metathorax and first abdominal ventrite; F. Omalodes (Omalodes) omega: antennal scape.