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The female biscuit beetle lays its eggs either in food stuffs or the
surrounding areas. Around two weeks later the eggs will hatch and tiny
larvae will emerge and infest food stuff in the area, often
penetrating packaging.
The larvae will live inside the packets of food stuff for two to five
months where they will continue to grow and moult. Once they have
reach a full grown length of 5mm they find movement difficult and will
construct a cocoon around them.
The pupal stage lasts two to three
weeks then the adults may remain in the cocoon for a further two weeks
before emerging. On emerging the adults disperse and live without
feeding for up eight weeks. Mating takes place soon after the adult
has emerged and the female will then lay her eggs before she dies.
Advice for Biscuit Beetle:
Treat infestations with
Fortefog Fumers, and residual ULV sprays such as Pyblast. Treat with
Agrodust.
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