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Ceratomia catalpae
Known as Toggle worms. With attached parasite wasps. This catalpa sphinx larvae will not make it to adulthood due to the attached parasite wasps cocoons.
In a catalpa tree (toggle worm tree), near a pond.
Fishermen who know about them use the toggle worms as bait. They always come back to same tree, year after year. We call it a toggle tree.
I'm amazed that those were parasitic wasp cocoons. Thanks for the ID on both!