Parthenium Biological Control Agents

Listronotus setosipennis (stem boring weevil)

Actual size 6mm Adults feed on leaves and flowers			Eggs laid on leaf underside
	from Mexico overwinter in soil emergence triggered by rain most damaging agent where found		4-6 days
Young adults emerge in large numbers and feed ferociously			Larvae feed on leaves and buds (Actual size 6mm)
	Full grown larvae enter the soil and pupate in earth capsules