The Tomato Worm, also known as the Tomato Hornworm or Horn Worm, isn’t really a worm at all. Tomato Worms are actually caterpillars, with stripes and a “horn” on one end.

Adult tomato horned worms are typically 3 to 5 inches long and they have a large black horn on their rear ends. This horn may look like it can do plenty of damage, but its actually quite harmless.

Tomato worms are one of nature’s two most popular types of hornworms. The other is the tobacco worm. The scientific…

The tomato worm pupa or cocoon is brown, hard, and around an inch and a half long. The pupa or cocoon waits out the winter season (overwinters) and hatches in the spring.