Have you spotted a hickory horned devil? These large, bright green caterpillars may look dangerous, but they are nothing to be afraid of and will eventually turn into a regal moth, which can have ...

With a name that conjures the spookiest Halloween imagery, the hickory horned devil (Citheronia regalis) caterpillar is a marvel of nature's creativity, boasting a fearsome-looking appearance that ...

The hickory-horned devil looks menacing, but it’s just a harmless giant caterpillar. One of the largest caterpillars in North America, hickory horned devils can grow to over five inches in length.

The ranks of caterpillars include scores of spectacular ... is a photo of eastern North America’s largest species, the hickory horned devil (Citheronia regalis). It is often likened to a hot ...

The hickory horned devil caterpillar feeds on the foliage of hickory and pecan trees. It does not sting. (Photo courtesy of the LSU AgCenter) QUESTION: Are you able to identify the caterpillar in ...

Pandora Dewan is a Senior Science Reporter at Newsweek based in London, UK. Her focus is reporting on science, health and technology. Pandora joined Newsweek in 2022 and previously worked as the ...

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.

Unlike its gluttonous caterpillar phase, the moth does not feed, lives but a week or so, and exists only to find a mate and reproduce. Hickory horned devils are an important part of the ecology of ...