The diamondback moth is the most destructive insect pest of brassica crops throughout the world. Reliance on chemicals as a control measure for the diamondback moth has resulted in the development of resistance to many insecticides. Resistance to synthetic pyrethroid insecticides has been detected in populations of diamondback moth in all Australian states. Since 1993...

Armyworms are caterpillar pests of grass pastures and cereal crops. They are the only caterpillars that growers are likely to encounter in cereal crops, although occasionally native budworm will also attack grain when underlying weed hosts dry out.

The native budworm (Helicoverpa punctigera or, as it was known, Heliothis punctigera) is native to Australia and is distributed, particularly during spring, throughout much of the central and southern regions of the country. It is the major pest of all grain legumes, although pea weevil is equally important in field peas. It also attacks most...