The caterpillars (and the adult moths) are very similar in appearance — 2¼ inches long, pale green with four long, bright red knobs on top of the head, and a yellow knob above its tail end.

Several types of caterpillars damage tomato plants in Missouri, but the tomato hornworm and the tobacco hornworm usually get the most attention because of the prominent horn on the last segment of ...

Freak giant caterpillar with devil horns filmed lurking in family's back garden ... it changes colour from green to turquoise and then crawls down into a host plant. Article continues below.

The bizarre critter was a 5.5-inch-long hickory horned devil caterpillar, nearly as fat and plump as a hot dog. They can grow to be 6 inches in length and are the largest caterpillar in Missouri.

Two hickory horned devil caterpillars were found Aug. 19 at Delaware Canal State Park. In addition to being victimized by parasitic flies, the caterpillars have suffered from habitat destruction ...