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Photo#4898
caterpillar with parasites? - Manduca sexta

caterpillar with parasites? - Manduca sexta
Chapel Hill, North Carolina, USA
July 15, 2004
...are these really parasites on this caterpillar? What kind? (I found this caterpillar on my tomatoes)

Hornworm
Looks like a tobacco hornworm, and those are probably wasps developing on it. From the gardening literature I've read, if you find a hornworm with parasites like these, you're supposed to leave it be, so that the wasps can hatch and parasitize other hornworms.

See this image:

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