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IPM Scouting in Woody Landscape Plants

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Aphidiid wasps
IPM scouting in woody landscape plants > aphidiid wasps
These small (~3mm long or less) wasps are parasites of aphids. Female wasps lay only one egg inside each aphid. The wasp larva feeds and pupates inside the aphid, causing the aphid’s body to become hardened and mummified. The adult emerges from the aphid body by cutting a hole through the aphid’s hardened cuticle. Aphids parasitized by these wasps develop into swollen, tan or white mummies (at arrow). Aphidiid wasps

Additional information

  • MSU Landscape Alert newsletters for information about the current growing season, pest concerns and plant advice.
This information was developed from A Pocket IPM Scouting Guide for Woody Landscape Plants by Diane Brown-Rytlewski. Purchase this in a pocket-sized guide for reference in the orchard from MSU Extension (publication E-2839).
The MSU IPM Program maintains this site as an access point to pest management information at MSU. The IPM Program is administered within the Department of Entomology, fueled by research from the Michigan Agricultural Experiment Station, delivered to citizens through MSU Extension, and proud to be a part of Project GREEEN.
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Updated 10/11/07