The National Biodiversity Centre (NBC) is pleased to announce the first confirmed record of the endomychid beetle Trochoideus desjardinsi Guérin-Méneville, 1838 from the Kingdom of Bhutan, as published in the Japanese Journal of Systematic Entomology.
The species was collected from Panbang, Zhemgang Dzongkhag, during a Bhutan–Japan collaborative invertebrate biodiversity survey conducted from 3–15 October 2025 in southern and western Bhutan. The specimen was collected using a light trap at an elevation of 120 m and has been deposited in the Invertebrates Repository of the National Biodiversity Centre, Thimphu.
Trochoideus desjardinsi is a small handsome fungus beetle, measuring approximately 3–4 mm, and is morphologically distinguished by its elongate oval body, pubescent elytra, laterally angulate pronotum, and a strongly thickened antennal club in the male. Although the species is widely distributed across tropical and subtropical regions worldwide, this study represents its first documented occurrence in Bhutan.
Access full article at: https://www.jstage.jst.go.jp/article/jjsystent/31/2/31_358/_article/-char/en
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