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 ...

Tomato hornworms (Manduca quinquemaculata) can cause serious issues for your tomatoes. Not worms at all, these are caterpillars that can quickly eat tomato plants down to nubs. What many gardeners don ...

John E. Woodmansee Photo: Tobacco hornworm on a tomato plant that has been attacked by a parasitic Braconid wasp. The white capsules on its back are the pupal stage of the tiny wasp. Braconid larvae ...

The leaves of my tomato plant are being eaten by something. Some of the stems are completely bare of leaves. Is there anything I can do to protect my plants? I suspect you have a tomato hornworm or ...

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 ...

Hornworms can devastate your tomato and pepper plants quickly. A black light flashlight can help locate these pests, as they glow in the dark. They are also a good treat for chickens. If you notice ...

Editor’s note: Throughout the growing season, Mike Hogan, OSU Extension Educator for Agriculture and Natural Resources in Franklin County will answer gardening and home landscape questions submitted ...

I saw your recent column about tomato fruitworms, and was wondering if this pest also eats leaves. The leaves of one of my tomato plants are being eaten by something. A couple of the branches now have ...

Hornworms can quickly damage your tomato and pepper plants. A black light flashlight can illuminate them in the dark for easy removal. If you find white eggs on the hornworms, it’s best to leave them ...