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September 10, 2025

On some species of the genus Olophrum Erichson, 1839 (Coleoptera: Omaliinae) of the Eastern Palaearctic region

Key Points

Three olophrum species are redescribed, providing important taxonomic insights.
New synonymies were identified, clarifying classifications within the genus olophrum.
Lectotypes for two species were designated, enhancing taxonomic precision.
First records of olophrum species in specific regions offer new faunistic data.

Abstract

Taxonomic and faunistic data for six species of the genus Olophrum Erichson, 1839 from China, Japan and Nepal are presented. Three species are redescribed and illustrated: O. mutatum Scheerpeltz, 1929 (China, Japan, South Korea), O. scheerpeltzi Bernhauer, 1938 (China: Fujian), and O. simplex Sharp, 1874 (Japan). Three new synonymies are proposed: O. consimile (Gyllenhal, 1810) = O. yasudai Watanabe, 1990 syn. nov., O. simplex = O. japonicum Scheerpeltz, 1929 syn. nov. = O. kawasei Hayashi, 2020 syn. nov. Lectotypes for O. simplex and O. vicinum are designated. The habitus and the aedeagus of O. vicinum are illustrated. Olophrum simplex is recorded from Hokkaido, and O. mutatum from China for the first time.

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ALEXEY V. SHAVRIN (Thu,) studied this question.

synapsesocial.com/papers/68c1b18b54b1d3bfb60e870a https://doi.org/https://doi.org/10.11646/zootaxa.5666.1.4

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