Identifying natural enemies - ichneumonid wasp

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Ichneumonid wasp - Ichneumonidae
Identifying natural enemies > parasitoids > ichneumonidae
Adults: Black body, light legs. Long antennae. Abdomen is longer than head and thorax combined. Long ovipositor (females). Length 6-26 mm (commonly - may be larger). Eggs: Deposited on or in host larvae or pupae. Larvae: One or many per host. Pupae: Occur inside the host body (one larva per host) or outside the host body (multiple larvae per host). Multiple cocoons may be visible on or near host. Diet: Common hosts include armyworms and European corn borer. Braconids and Ichneumonids can be confused. Both groups are completely beneficial parasitoids.

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This information was developed for the publication Identifying Natural Enemies in Field Crops by Mary Gardiner, Christina DiFonzo, Michael Brewer and Takuji Noma, MSU Extension bulletin E2949.

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12/21/06