Revision of the genus Epexochus Reitter, with description of three new species (Coleoptera: Curculionidae: Lixinae: Cleonini) Author Meregalli, Massimo Author Talamelli, Fabio text Zootaxa 2009 2011 47 68 journal article 10.5281/zenodo.274687 0de65eea-caee-4bf8-beac-98a0480be5b1 1175-5326 274687 Key to the species of Epexochus 1. Base of pronotum distinctly curved towards scutellum (Fig. 42); elytral scales very slender, lanceolate ( Fig. 37 ); southern Tajikistan .......................................................................................................................... E. korotyaevi sp. n. – Base of pronotum nearly straight or weakly, very evenly arched (Fig. 18); elytral scales oval or oval-elliptical, aciculate ( Fig. 36 )............................................................................................................................................................... 2 2. All elytral intervals flat, also at base, elytra convex, sides broadened; apical lamella of aedeagus expanded, broadly rounded (Fig. 80); western Mongolia : Kobdo Aimak ................................................................... E. mongolicus sp. n. – Elytral intervals 3, 5, 7 and 9 moderately but distinctly raised, at least at base; apical lamella of aedeagus short, acute or nearly so .................................................................................................................................................................. 3 3. Size> 15 mm ; elytra convex, odd intervals only raised at base; elytral setae stiff, of variable length, sometimes relatively long but never longer than an interval width; apical lamella of aedeagus subacute ( Figs. 32–35 ); Kazakhstan , China (Xinjiang) .................................................................................................................... E. lehmanni (Ménétries) – Size < 15 mm ; elytra flat, odd intervals slightly convex up to declivity; elytral setae long, hair-like, flexible; apical lamella of aedeagus shortly acute (Fig. 63); Uzbekistan ..................................................................... E. voriseki sp. n.