Fig. 1. – A–D in New species and records of Stenus (Nestus) of the canaliculatus group, with the erection of a new species group (Insecta: Coleoptera: Staphylinidae: Steninae)

Fig. 1. – A–D: Stenus (Nestus) nitens Stephens, 1833: ♂ genitalia, ventral view. A–B: (Russia: Moscow Area: Gorenki). C–D: (Russia: Evenkia: Stolbovaya River). A, C. Aedeagus. B, D. Apical part of median lobe. – E. S. (N.) labilis Erichson, 1840: ♂ (Russia: S Yamal: nr. Salekhard). Aedeagus, ventral view. – Scales = 0.1 mm.