This caterpillar has stinging hairs that are to be avoided. The adult moth is actually called the Saddleback Caterpillar Moth, hence the repetition of the word caterpillar.
Acronicta hastaThis is also known as the Speared Dagger Moth.
Acronicta longa This is a stinging caterpillar.
Apatelodes torrefactaThe bright red prolegs are a quick giveaway that this is a Spotted Apatelodes moth caterpillar.
Apatelodes torrefactaThe color of the Spotted Apatelodes Moth caterpillar can range from white to bright yellow. Note the bright red prolegs.
Automeris ioThis is a beautiful caterpillar, but those who have experienced the stinging hairs of this caterpillar will tell you to avoid touching it.
Catocala iliaThe more common form of this caterpillar resembles the brown or gray color of tree bark rather than this beautiful green color of lichens.
Ceratomia catalpaeAlthough called a worm, it really is the caterpillar stage of the Catalpa Sphinx Moth.
Citheronia regalisThe adult moth is known as the Regal Moth or Royal Walnut Moth.
Clostera inclusa This caterpillar is also known as the Poplar Tentmaker.
Cucullia alfarataNote the scalloped stripe which can range in color from orange to yellow.
This particular caterpillar was feeding on Eastern Silver Aster (Symphyotrichum concolor), another member of the Aster family related to Camphorweed (Heterotheca subaxillaris).
A pest of azaleas, these caterpillars become moths known as Major Datana.
Exyra sp.The Pitcherplant Moth caterpillar is found inside pitcherplants. This one is in the flower of the yellow pitcherplant (Sarracenia flava).
GEOMETRIDAE FamilyThis caterpillar perfectly matches a branchlet of a tree.
Halysidota tessellarisWhich end is which? Its head is at the bottom.
This caterpillar was discovered on its host plant, Bluestar (Amsonia sp.)
Hemaris thysbe This sphinx moth caterpillar was one of several that was feeding on Walter's Vibrunum (Viburnum obovatum).
This caterpillar was crawling on the bark of a hackberry tree.