Phyllocharis undulata

Phyllocharis undulata is a species of leaf beetle, native to Southeast Asia. It is found in Laos, Cambodia, Vietnam, Peninsular Malaysia, Singapore, Java, Lombok and Timor.

Description
Phyllocharis undulata feeds on various species of Clerodendrum (Verbenaceae), including Clerodendrum inerme, Clerodendrum chinense and Clerodendrum calamitosum.

Pest control
It has been considered as a biological control agent against Clerodendrum chinense, which has become a serious noxious weed and invasive species on some Pacific Islands in the southwestern Pacific Ocean, including Samoa, Niue, and Fiji.