Leptinopterus tibialis

Leptinopterus tibialis is a species of beetles belonging to the family Lucanidae.

Description
Leptinopterus tibialis can reach a length of about 14 - 38 mm in the males, about 15 - 18 mm in the females. Males have well-developed mandibles, with several teeth of various sizes in the interior edges.

Distribution
This quite rare species occurs in Argentina, Brazil and Paraguay.