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 ...

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 ...

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 ...

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 ...