Cercyon is a genus of water scavenger beetles of the family Hydrophilidae. There are 21 species in Britain, and have a round or oval, convex body and live in dung, compost and waterside debris. Found on http://www.probertencyclopaedia.com/browse/BC.HTM
1) Mythological Greek character 
Cercyon is a genus of water scavenger beetles of the family Hydrophilidae. There are 21 species in Britain, and have a round or oval, convex body and live in dung, compost and waterside debris.