Adapterops

Trýzna, Miloš & Baňař, Petr, 2017, Two new species of Adapterops (Coleoptera: Anthribidae) from protected areas of northern Madagascar, with a key to species, and new faunistic data on the genus, Zootaxa 4231 (2), pp. 238-250 : 249

Key to Adapterops species

1. Pronotum and elytra generally reddish-brown to brown; dorsum of head without longitudinal carina................... 2

- Pronotum and elytra generally black; dorsum of head with longitudinal carina reaching from proximal edge of eyes to the narrowest part of rostrum..................................................................................5

2 Pronotum and elytra without spots, elytra with two indistinct transverse stripes in basal and median part............................................................................................ Adapterops festivus Frieser, 2010

- Pronotum and elytra with almost regular distinct spots of whitish pubescence..................................... 3

3 Scape, pedicel and funicle light brown; antennal club brown to dark brown.... Adapterops mamyi Trýzna & Baňař sp. nov.

- Scape and pedicel brown, antennomeres III–V brown, VI–VIII dark brown to black; antennal club entire black or only tip of antennomere XI dark brown............................................................................. 4

4 Antennal club entire black. Elytra covered by whitish setae forming predominantly short longitudinal spots on the second and the sixth elytral interval............................................... .. Adapterops cedrici Trýzna & Baňař, 2015

- Antennal club black, only tip of antennomere XI dark brown. Elytra covered by whitish setae forming two triangular spots in subbasal part and two transverse irregular stripes in median and preapical part interrupted in sutural part................................................................................ Adapterops dimbyi Trýzna & Baňař sp. nov.

5 Legs, ventrites I–V and pygidium uniformly brown, head dorsally dark brown, antennal segments I–VIII light brown in both sexes. Female: ocular index 1.23; ratio of length of antennal segment IX to its maximum width 1.15; scrobes broadly expanded towards middle of the rostrum................................................. Adapterops nasalis Frieser, 2010

- Legs, venter of body, pygidium and dorsum of head black, antennomeres II–VIII dark brown, scape dark brown to blackish. Female: ocular index 1.13; ratio of length of antennal segment IX to its maximum width 1.54; scrobes smaller, less expanded towards middle of the rostrum................................................. Adapterops hankae Trýzna, 2012