Unguarded
Guides
Eusphalerum rugulosum
Eusphalerum rugulosum is a small rove beetle in the subfamily Omaliinae, first described from North America in 1853. Members of this genus are generally associated with decaying plant matter and fungal habitats. The species has been documented across western and northern North America, with scattered records extending to the northeastern United States. It remains poorly studied, with limited published information on its biology.