Trimiina, Hlavá & Nakládal, 2014

Hlavá, Peter & Nakládal, Oto, 2014, Contribution to the knowledge of Pselaphinae (Coleoptera: Staphylinidae) from Kazakhstan, Acta Entomologica Musei Nationalis Pragae 54 (2), pp. 529-537 : 534

Key to Palaearctic genera of Trimiina

1 Frontal lobe large, parallel-sided, rostrum truncate, head with deep U-shaped sulcus connecting vertexal foveae. .................................................................. Trimium Aubé, 1833

– Frontal lobe constricted anteriorly, rostrum triangular, head lacking vertexal sulci. ..... 2

2 Antennal club asymmetrical, antennomere X about as long as wide. ............................... .................................................................................................... Saulcyella Reitter, 1901

– Antennal club symmetrical, antennomere X strongly transverse. .................................. 3

3 Head triangular lacking foveae between eyes, pronotum slightly wider than long, median fovea well-de¿ned, lateral foveae small, ¿rst three visible (IV–VI) tergites subequal in length, IV lacking carinae. ................................................................ Zibus Saulcy, 1874

– Head tetragonal with two foveae between eyes, pronotum slightly longer than wide, at base with short longitudinal groove and two lateral foveae, ¿rst (IV) visible tergite with short carinae, longer than second and third (V–VI) combined. ........................................ .................................................................................................... Aphiliops Reitter, 1884