Pacific_rim
Guides
Cercyon setulosus
Cercyon setulosus is a small beetle in the family Hydrophilidae, first described by Sharp in 1884. It belongs to the genus Cercyon, a group of water scavenger beetles commonly found in moist or decaying organic matter. The species has a documented distribution across the northern Pacific Rim, including Japan, Russia, western Canada, and the northwestern United States.