Catoxantha opulenta is a species of jewel beetles belonging to the family Buprestidae, subfamily Chrysochroinae.
Catoxantha opulenta can reach a length of about 45 and 60 millimetres (1.8 and 2.4 in). This beautiful and quite common jewel beetle has metallic dark bluish-green elytra with thick and prominent black costae and two yellow transverse bands. Abdominal sternum is yellow. It bores the wood of Chukrasia velutina and Lagerstroemia speciosa. The life-cycle is annual. Adults emerge in June.