Catoxantha opulenta is a species of jewel beetle belonging to the family Buprestidae, subfamily Chrysochroinae.

• Catoxantha opulenta borneensis Kurosawa, 1993
• Catoxantha opulenta opulenta (Gory, 1832)

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.

This beetle is present in Thailand, Malaysia, western Indonesia and Philippines.

• Biolib
• Forest Insects of India
• Buprestidae of Indo-Malaysia, Indochina and Philippines
• Siam Insects