Vegetable gardeners everywhere look forward to harvesting tomatoes each summer. But one pest that can ruin the fruits of your labor (literally) is the tomato hornworm. The caterpillars feast on the ...

If you grow tomatoes, peppers, eggplants, or other nightshades, there’s a good chance that you’ve encountered large green caterpillars feeding on your plants. Known as the tobacco or tomato hornworm, ...

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 ...

Q: What kinds of caterpillars should I be controlling now? I know they will start becoming a problem soon. A: The principal insect that infests many vegetables in the tomato family, as well as grapes, ...

Have you seen big green worms on your tomato plants? These are likely hornworms – either tobacco hornworms or tomato hornworms. Believe it or not, tobacco hornworms are what you find most often on ...

Let’s play Clue….no, not the board game. This is Garden Clue. Clue No. 1: Dark green to black-colored pellets on the ground and on some leaves of tomato. Clue No. 2: Tips of tomato stems are ...

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 ...

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 ...

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 ...

The hornworm is a common name for a sphinx moth’s caterpillar (larvae). One species of hornworm is called the “tomato hornworm” because it loves to munch on the leaves of tomato plants. Another ...