• Restricted distribution, Asia, Oceania. In Papua New Guinea. A shield or stink bug on crops and weeds of mustard family.
• Probably of minor or moderate economic significance. Nymphs and adults suck leaves causing small flower-like patterns initially; later, large necrotic patches. Seedling leaves wilt and die.  
• Nymphs, black heads, ochre bodies, four black lines on back. Adults, orange and black markings, 7 mm long. Spread on the wing (strong flyer); eggs/nymphs on nursery plants.
• Biosecurity: moderate risk: transfers of egg, nymphs, adults on nursery plants.
• Natural enemies: non-identified parasitic wasps.
• Cultural control: remove weeds, avoid adjacent overlapping crops, handpick bugs, attract parasitic wasps with borders of flowering plants, collect and burn crop remains at harvest.
• Chemical control: PDPs (botanicals), e.g., chilli, derris, neem, pyrethrum; or synthetic pyrethroids.  

Small cabbage bug; also known as the cabbage shield bug and cabbage stink bug.

Eurydema pulchrum. Another species, Eurydema rugosum, cabbage bug, is similar, but its distribution is different. It is not recorded from Southeast Asia. The bugs belong to the Pentatomidae, shield or stink bugs.