Tanyrhinus
Mannerheim, 1852
Tanyrhinus is a of () containing a single , Tanyrhinus singularis. It is distinguished from most rove beetles by its elongated that nearly cover the entire . The genus is restricted to western North America, with records from British Columbia, Canada, and several Pacific coast US states. Its closest relative is the genus Trigonodemus.
Pronunciation
How to pronounce Tanyrhinus: /ˌtænɪˈraɪnəs/
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Identification
Distinguished from other by the near-complete abdominal coverage of the . Most have very short elytra leaving multiple abdominal exposed. Separated from its nearest relative Trigonodemus by -level diagnostic characters not specified in available literature.
Images
Appearance
Elongate with notably long that extend to cover almost the entire , contrasting with the elytra typical of most . Specific morphological details of body size, coloration, and other features are not documented in available sources.
Distribution
Western North America: British Columbia (Canada); Alaska, California, Oregon, and Washington (United States).
Similar Taxa
- TrigonodemusNearest relative based on phylogenetic affinity; distinguished by -level morphological differences.
- Other StaphylinidaeMost have short exposing most of the ; Tanyrhinus has elongated elytra covering nearly the entire abdomen.
More Details
Monotypy
The contains only one described , Tanyrhinus singularis.
Taxonomic history
established by Mannerheim in 1852.