Diastatotropis Lacordaire, 1866

Trýzna, Miloš & Baňař, Petr, 2016, Two new species of Diastatotropis Lacordaire (Coleoptera: Anthribidae) from east Madagascar with a key to species of the genus, Zootaxa 4161 (3), pp. 429-436 : 430

Diastatotropis Lacordaire, 1866

Recognition. Body elongate. Head comparatively long, rostrum longer, extended apically, without deep depression in the middle, with one central longitudinal carina (or without this carina in case of D. nitidipennis Waterhouse, 1882 and D. planifrons Waterhouse, 1882 ) and two lateral carinae. Eyes spherical or elliptical, not emarginate. Antennae of males usually reaching posterior margin of pronotum or longer, antennae of females shorter, not reaching posterior margin of pronotum. Funicle thin, antennal club 3-segmented or antennomeres continuously extended. Dorsal transverse carina of pronotum distinct. Pronotal declivity wide. Medium- or large-sized species, from 6 mm (small specimens of D. rubricollis (Fairmaire, 1893)) to more than 18 mm ( D. olivaceus Waterhouse, 1877 ).