Adult : 7-9mm long, black, with the front halves of wing covers yellowish-green and hairy. Larvae : 12-15 mm long, reddish-brown to dark brown, with brownish bristles.
Eggs (upto 800 in a lifetime) laid singly or in small clusters on suitable food material. Larvae molt 5-6 times and pupate before becoming adults. Complete life cycle takes between 2-3 months and adult life span is 3-5 months.
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