Coelopa is a genus of kelp flies in the family Coelopidae.

[1][2][3] These 12 species belong to the genus Coelopa:[4] Coelopa frigida is one of the most widely distribute species of seaweed fly.

This species is found on the shorelines of the temperate Northern Hemisphere.

C. frigida feeds primarily on seaweed and stay around these habitats.

This article related to members of the muscomorph flies superfamily Sciomyzoidea is a stub.