Epomis

thumb|Chlaenius circumscriptus preying upon a tree frog, Hyla savignyi

Epomis is a subgenus of ground beetle genus Chlaenius. The larvae of this subgenus are notable for being obligate role-reversal predators. Amphibians such as frogs are normally predators of beetles; however, Epomis larvae feed exclusively on amphibians.