Arpedium
Guides
Eucnecosum brunnescens
Eucnecosum brunnescens is a rove beetle in the family Staphylinidae, subfamily Omaliinae. The species was originally described by Sahlberg in 1871 under the genus Arpedium, and later transferred to Eucnecosum. It has a Holarctic distribution, occurring across northern Europe, Russia, and North America from Alaska through Canada to the northern United States.