Parthenium Biological Control Agents

Listronotus setosipennis (stem boring weevil)

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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