''Didimus parastictus'' is a species of

beetle Beetles are insects that form the order Coleoptera (), in the superorder Endopterygota. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 400,000 describ ...

s of the family

Passalidae Passalidae is a family of beetles known variously as "bessbugs", "bess beetles", "betsy beetles" or "horned passalus beetles". Nearly all of the 500-odd species are tropical; species found in North America are notable for their size, ranging from ...

Description

Body is elongate-cylindrical and black overall. The head is narrower than the thorax. The elytra are elongate with almost parallel sides, and heavily striated.

Distribution

This species is present in the countries of the Gulf of Guinea. Hallan, Joe
Synopsis of the described Coleoptera of the World
Biology Catalog de la Universidad de Texas

References

Passalidae Beetles described in 1843 {{Passalidae-stub