Propylea japonica (predator)
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Propylea japonica (predator) (Thunberg)
The beetle is native in eastern Asia where it is an important predator of insect pests, feeding on aphids, whiteflies, scales, thrips and other groups. It is widely used as a biological control agent in greenhouses. There are 4-8 generations per year and the insect can tolerate a range of temperatures without going into a dormant state.