How to Manage Pests

Pests in Gardens and Landscapes

Copidosoma

Loopers parasitized by the wasp Copidosoma truncatellum curl into an S shape after spinning a cocoon and then fail to pupate. Numerous small wasps will emerge from each parasitized looper.

Parasitized looper
Parasitized loope
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Statewide IPM Program, Agriculture and Natural Resources, University of California
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