Siphon elongated, acute apically, with secondary spines.

Cephalic capsule is mainly creamy white to pale yellow i color dorsally, with a longitudinal brownish stripe laterally.

[6] Adult beetle has longer smooth-edged metatibial spine.

The second sternite of male has a sharp, backwardly projecting process.

In female, disc of elytron has a distinct, longitudinal groove.