Salt marsh caterpillars are larvae of a moth in the Family Arctiidae. This species has many color variations from black with orangish-red markings to pale yellow to reddish-brown. Caterpillars are generally lighter in color and darken with age. The body is covered with tufted hairs, or setae. Some people also commonly call these caterpillars woolly bear caterpillars (there are numerous species of moths that can be called woolly bears). The caterpillars are often called woolly bears because of the numerous bristly hairs that project off the body. The… Read More →