Agathidium akallebregma
Agathidium akallebregma is a species of round fungus beetle in the family Leiodidae. It is found in North America. It is named from the Greek words , meaning ‘‘ugly’’, and , meaning ‘‘face’’, for the unusually shaped anterior portion of the head in this species. It has a mandibular horn, moderately elongate body shape, and strongly concave posterior portion of the mesosternum. References 

Leiodidae
Beetles described in 2005
Beetles of North America