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Issue: Vol. 5631 No. 2: 2 May 2025
Type: Article
Published: 2025-05-02
DOI: 10.11646/zootaxa.5631.2.10
Page range: 380-386
Abstract views: 84
PDF downloaded: 5

A new bark-gnawing beetle (Coleoptera: Cleroidea: Trogossitidae) from Baltic amber

Immanuel Kant Baltic Federal University; Nevskogo 14; Kaliningrad 236016; Russia.
Rockville; Maryland 20853; USA.
Institute of Life Sciences and Technologies; Daugavpils University; Vienības 13; Daugavpils LV-5401; Latvia.
Coleoptera Cenozoic Paleogene paleodiversity paleoentomology fossil resin new species new genus

Abstract

A new extinct representative of the tribe Trogossitini, Ligaschonus succiniripae gen. et sp. nov., is described, diagnosed, and illustrated based on a well-preserved specimen from Eocene Baltic amber. The extinct beetle is compared with related extant genera of the tribe Trogossitini, from which the inclusion in Baltic amber can be distinguished by a unique combination of a comparatively small body size, elliptically convex eyes, tiny but distinct anterior pronotal angles, a pronotum narrowed at the base, finely and regularly punctate elytra without carinae, small spines along the outer margin of tibiae, and the absence of median longitudinal groove or a pair of distinctly projecting horns in frons. This represents only the second trogossitid species described from Baltic amber and the third bark-gnawing beetle from all fossil resins.

 

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How to Cite

Alekseev, V., Pankowski, M.V. & Bukejs, A. (2025) A new bark-gnawing beetle (Coleoptera: Cleroidea: Trogossitidae) from Baltic amber. Zootaxa, 5631 (2), 380–386. https://doi.org/10.11646/zootaxa.5631.2.10