A new species of Physomerinus Jeannel (Coleoptera, Staphylinidae, Pselaphinae) from Jiulong National Wetland Park, China

Authors: Yin, Zi-Wei Country: People's Republic of China DOI: 10.3897/zookeys.1153.100073 Published: Jan. 1, 2023 Source: ZooKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Ant-loving beetle · Topics: Coleoptera Taxonomy and Distribution, Lepidoptera: Biology and Taxonomy, Spider Taxonomy and Behavior Studies

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Physomerinus jiulongensis sp. nov. is described from a series of overwintering individuals collected in decomposing wood at Jiulong National Wetland Park, East China. The new species is characterized and separated from related congeners by the unique form of the sexually dimorphic maxillary palpi, greatly swollen male metafemora, as well as by the shape of the genitalia of both sexes. A key to, and a distributional map of, Physomerinus species occurring in China and on the Ryukyu Islands, Japan is provided.

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