Leptoplectus perperus Kurbatov 2022, sp.n.

• Main Author: Kurbatov, S. A.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2022
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Coleoptera; Staphylinidae; Leptoplectus; Leptoplectus perperus; Sakhalin
• Online Access: https://doi.org/10.5281/zenodo.10999264; http://treatment.plazi.org/id/365787993673FFEFFC29FCDEFB8C5A2E

Leptoplectus perperus Kurbatov, sp.n. Fig. 27. MATERIAL. Holotype ♂: SW Sakhalin, 7 km NNE of Nevelsk, near Yasnomorskoye, rotten Betula , 18.07.2021, S. Kurbatov (ZIN). Paratypes: 1♂, SW Sakhalin, 15 km East of Kholmsk, 47°02´16.7´´N 142°12´09.6´´E, rotten Betula , 17.07.2021, S. Kurbatov; 1♂, SE Sakhalin, 25 km East of Yuzhno-Sakhalinsk, near Lesnoye, rotten Betula , 27.07.2021, S. Kurbatov; 1♂, S Sakhalin, near Yuzhno-Sakhalinsk, the foothills of Mount Chekhov, rotten Betula , 17.07.2011, S. Kurbatov; 1♂, SW Kunashir Is., cordon Ivanovsky, rotten Abies , 20.07.1989, S. Kurbatov; 1♂, SW Kunashir Is., near Mendeleevo, rotten Alnus , 29.06.1991, S. Kurbatov; 2♂, SW Kunashir Is., near Mendeleevo, rotten Alnus , 04.07.1991, S. Kurbatov; 2♂, SW Kunashir Is., cordon Ozerny, rotten Betula , 26.07. and 27.07.2011, S. Kurbatov; 1♂, SW Kunashir Is., cordon Ozerny, rotten Phellodendron , 27.07.2011, S. Kurbatov; 1♂, NE Kunashir, lower course of Saratovka River, F.I.T., 12– 18.07.2014, Yu. Sundukov (ZIN, ZMUM, MHNG, PCSK). DESCRIPTION. Body 1.15–1.30 mm long, yellowish brown (elytra sometimes darker), in fine decumbent pubescence. Head (0.17–0.19/ 0.24–0.26 mm) entirely in dense fine punctation. Occipital impression long and narrow. Distance between vertexal foveae less than twice the diameter of the individual fovea and approximately equal to the distance between edge of the fovea and lateral edge of the head. Frontal sulcus with lateral branches short, not reaching the transversal branch; the latter with weak medial longitudinal elevation. Antennae short, longer than wide (seems to be wider than long when appended to the head); antennomere 2 as long as wide or slightly longer, as wide as 1; antennomeres 3–8 as wide as long or slightly wider, much narrower than 2, antennomeres 5 and 7 hardly larger than neighboring segments; antennomere 9 transverse, distinctly wider than 8; antennomere 10 transverse, wider than 9; antennomere 11 a little wider than 10, elongated, as long as 7–10 combined. Pronotum (0.21–0.23/ 0.22–0.24 ...