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Hornworms: Guess what’s been eating your tomato plants?

By Gary Bogue
Monday, September 27th, 2010 at 9:03 am in Hornworms.

Tobacco hornworm. Photo by Joanne Ouimet, Concord, CA.
tomato worm joanne ouimet con

Ever wonder what’s been eating all your tomato plants? Look at the photo above (taken in Concord). It’s a tobacco hornworm (Manduca sexta).

They LOVE tomato plant leaves. These caterpillars grow to about 3-4 inches, by the way. Huge. If you’re out in your garden early in the morning when it’s quiet, you can even hear one chewing on the tomato leaves: MUNCH! MUNCH! MUNCH! /Gary

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