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Issue: Vol. 4903 No. 2: 7 Jan. 2021
Type: Article
Published: 2021-01-07
DOI: 10.11646/zootaxa.4903.2.4
Page range: 242–254
Abstract views: 128
PDF downloaded: 12

The first record of the subfamily Dasycerinae in Taiwan, with description of a new species (Coleoptera: Staphylinidae)

Department of Entomology, National Chung Hsing University, Taichung, Taiwan
Department of Entomology, National Chung Hsing University, Taichung, Taiwan The Kyushu University Museum, Fukuoka, Japan
Coleoptera rove beetle new species taxonomy mycophagy distribution Oriental region barcoding micro-CT

Abstract

Dasycerus poseidon Hu & Liang, sp. nov. is described and illustrated based on fresh specimens from central and southern Taiwan, which filled in the disjunct distribution between the Japanese archipelago and south-eastern Asia. The new species represents the first record of the subfamily Dasycerinae in Taiwan. The barcoding sequence of the holotype of D. poseidon Hu & Liang, sp. nov.is provided, and revealed a surprisingly large genetic distance within the genus. Detailed illustrations of D. poseidon Hu & Liang, sp. nov. by scanning electron micrograph and micro-computed tomography are also provided. Living individuals of D. poseidon Hu & Liang, sp. nov. were observed eating the mycelium of Pleurotus ostreatus in lab conditions, which represents the first direct evidence of mycophagous habits of Dasycerinae.

 

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