Fig. 4. – A–B 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. 4. – A–B: Stenus (Nestus) canosus sp. nov.: ♂ (holotype). A. Aedeagus, ventral view. B. Apical part of aedeagus, ventral view. – C–D: S. (N.) canalis sp. nov.: ♂ (holotype). C. Aedeagus, ventral view. D. Apical part of aedeagus, ventral view. [Note that the difference in shape of the apical lobe compared to that in C is due to the level of magnification.] – Scales = 0.1 mm.