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Zombie Catapillar

A team that has done extensive field studies with infected caterpillars say they have the first conclusive proof that the manipulative behaviour of some parasitoids increases their chance of survival.

The parasitoid wasp Glyptapanteles lays its eggs, about 80 at a time, in young geometrid caterpillars. The eggs hatch and the larvae feed on the caterpillar's body fluids. When they are fully developed, they eat through the caterpillar's skin, attach themselves to a nearby branch or leaf and wrap themselves up in a cocoon. -newscientist.com

Anyone know what causes the change in behavior? Read about it here.

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