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 ...

Question: What can you tell us about those big, ugly green single-horned tomato worms? Where do they come from? How can we prevent them? Answer: Tomato and tobacco hornworms are two huge caterpillars ...