Larva on Jersey cudweed. I read that this plant is a host plant for the Ameerrcan Lady butterfly. Please verify
Caterpillar on prairie dock (Silphium terebinthinaceum) in the aster family.
On False Nettle. ( Boehmeria )
This caterpillar had been feeding on magnolia "Butterflies", a variety with the native M. acuminata in its heritage. It had changed color and looked as if it was readying itself for pupation.
Suspected comma, needs proper ID