Passalus punctiger

Passalus punctiger, common name passalid beetle, is a beetle of the family Passalidae.

Description
Passalus punctiger can reach a length of about 34 mm. Body is flattened and completely black, with yellowish hairs on elytral shoulders and anterior sides. Elytra show deep grooves and a strong punctation. Antennae have long lamellae.

Distribution and habitat
This species occurs in Arizona, Mexico and in Central and Southern America up to Paraguay and Argentina. It also is present on the Galapagos Islands. It can be found in humid forest areas at an elevation of 0 - 1500 m above sea level.

Life cycle
These beetles live under and inside rotten logs. Females lay eggs are in tunnels into the wood. This species has one brood or generation per year (univoltine).