Scales are keeled and belly scales beyond cloaca are divided.
On a red oak, section Lobatae.
All caterpillars in the pictures were found on pipevine.
On milkweed.
This caterpillar has been on a fern for a few days. It appears to be eating it.
Up in an apple tree. There is also a cedar waxwing in the tree.
One from a flock of 10-12 feeding on blueberries