Xestopus Andrewes, 1937

Schmidt, Joachim & Will, Kipling, 2020, A new subgenus for “ Acalathus ” advena (LeConte, 1846) and the challenge of defining Calathina based on morphological characters (Coleoptera, Carabidae Sphodrini), Zootaxa 4722 (4), pp. 326-338 : 336

Genus Xestopus Andrewes, 1937

Third antennomere without pubescence. Mentum tooth bifid. Pronotal laterobasal seta situated at margin. Lateral bead of prosternal process absent. Parascutellar seta present. Elytra glabrous, with discal setae absent. Elytral microsculpture nearly isodiametric. Metepisternum short. Male protarsomeres dilated. Lateral grooves absent on metatarsomeres I-IV. Apical gonocoxite elongated, moderately slender, with one ensiform seta at external margin; sensory pit of apical gonocoxite absent. Aedeagus left side up in repose; median lobe apical disc absent; apical hook of long paramere present; membranous lobe of short paramere present.