Omoglymmius americanus

Omoglymmius americanus, the American crudely carved wrinkle beetle, is a species of ground beetle in the subfamily Rhysodidae native to eastern North America. It was originally described by Laporte as Rhysodes americanus in 1836. These reddish-brown beetles reach approximately 8 mm (0.31 in) in length with an elongated body. The pronotum has three grooves and the elytra have numerous indentations, formed in lines. Omoglymmius americanus occur in fungus-infested trees.