On the systematics and distribution of Porocallus Sharp, 1888 (Coleoptera: Staphylinidae, Aleocharinae, Oxypodini).

Abstract

The holotype and additional material of Porocallus insignis Sharp, 1888 are revised. Both the genus and the species are redescribed and illustrated. The previously assumed position of Porocallus Sharp in the Oxypodini is confirmed. It is regarded as a distinct genus and separated from the externally similar Western Palaearctic genus Ilyobates Kraatz, 1856. Porocallus currently includes only a single species, the type species P. insignis, which is apparently widespread in the Eastern Palaearctic region and which is for the first time recorded from various regions outside Japan: China (Sichuan, Shaanxi), North Korea, and the Russian Far East. The distribution of the species is mapped.

Keywords

Coleoptera, Staphylinidae, Aleocharinae, Oxypodini, Porocallus, Ilyobates, Eastern Palaearctic region, taxonomy, redescription, distribution.