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 ...

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 ...

Dear readers: Not long ago, I was asked how to grow healthy tomato plants and keep tomato hornworms at bay without harming them. I suggested having a sacrificial tomato plant that could be grown as a ...