Royal walnut moths (Citheronia regalis) are impressive, but their caterpillar is even more remarkable. With an array of curved spines on their back just behind their head, these so-called hickory ...

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 is ...