Larvae are up to 20 mm long and have a dark head and are grey-pink with darker oval spots on the body. Moths are 13 mm long and are bright yellow-orange with black markings.
Crops attacked: Sorghum, maize, cotton.
Larvae feed on developing seed. Each larva destroys about 1 g of grain.
Eggs are laid on heads after flowering from December to March; hybrids with open heads are less infested than tight-headed hybrids.