As tomatoes grow tall and the yellow flowers slowly turn into small round tomatoes, another unexpected creature may appear: the tomato hornworm. You'll have to look closely as this chartreuse ...

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Tomato hornworms, Manduca quinquemaculata, are large green caterpillars that devour tomato plants along with other nightshades including peppers, potatoes, and eggplant. They can also be a little ...

This tiny wasp is natural pest control for the hornworm caterpillar, bane of summer gardeners. Tomato growers know the tobacco hornworm can destroy a plant overnight. But a tiny natural ally helps ...