Trigonurus rugosus
Sharp, 1875
Trigonurus rugosus is a of rove beetle in the Staphylinidae, first described by Sharp in 1875. It belongs to the Trigonurinae, a small group of staphylinids with distinctive morphological features. The species is documented from California, USA, and is part of the North American fauna of this primarily Holarctic .

Pronunciation
How to pronounce Trigonurus rugosus: /triˈɡoː.nu.rus ruˈɡoː.sus/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Images
Distribution
Known from California, USA. The Trigonurus has a primarily Holarctic distribution.