Trigonurinae
Reiche, 1866
Genus Guides
1Trigonurinae is a monogeneric of rove beetles (Staphylinidae) containing only the Trigonurus. The group has a Holarctic distribution with approximately nine described . Most species occur in North America (seven species), with two in the western Palaearctic and two in China. The subfamily was established by Reiche in 1866.
Pronunciation
How to pronounce Trigonurinae: /ˌtraɪɡoʊˈnjʊrəˌneɪ/
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Identification
Distinguished from other staphylinid by belonging to the monogeneric lineage Trigonurus. Members of Trigonurus can be recognized among rove beetles by their characteristic , though specific diagnostic features for the subfamily require -level examination. The subfamily contains no other genera, so any specimen assignable to Trigonurus belongs to Trigonurinae.
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Distribution
Holarctic. North America: seven . Western Palaearctic: two species. China: two recently described species.
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Taxonomic notes
The is monogeneric, containing only Trigonurus Mulsant, 1847. The was revised by Blackwelder (1941). Two from China were described relatively recently (Kishimoto, 2000; Schülke, 2006; Schülke & Smetana, 2015).