What is "trachymela"

Trachymela is a genus of beetles, commonly called leaf beetles and in the subfamily Chrysomelinae. These beetles are usually brown or black and have elytra with verrucae (bumps) and lacking striae. Trachymela can be found in all states of Australia There are over 120 species.

Trachymela is native to Australia and New Guinea and introduced elsewhere. Host-plants: Myrtaceae (Angophora, Eucalyptus, Leptospermum).