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Life cycle of an aphid parasite. A: An adult parasite lays an egg inside a live aphid. B: The egg hatches into a parasite larva that grows as it feeds on the aphid's insides. C: After killing the aphid, the parasite pupates. D: An adult wasp emerges from the dead aphid, then flies off to find and parasitize other aphids.

Illustration by David Kidd.

Statewide IPM Program, Agriculture and Natural Resources, University of California
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Agriculture and Natural Resources, University of California

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