incurved

In Lethrus F. in the female, but not the male, the mandible is armed below with a long incurved horn.

The accompanying series of photographs show the making of an incurved bloom's toilet from first to last.

Elytra in general subcircular but with margin of ectocephalic side flattened or in part a little incurved.

Prostomium shortly subcordate, well rounded in front, incurved caudally.

They are obtuse or somewhat acute, and have the edges crenate, or more or less distinctly serrate with sharp incurved teeth.