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Large green caterpillar almost 3 inches long. Please watch video: https://youtu.be/Zb5xjueGiwA
Spotted at Seven Devils Swamp.
Each instar–the period between molts–generally takes about 4–10 days. There are five instars before cocooning. At the end of each instar, a small amount of silk is placed on the major vein of a leaf and the larva undergoes apolysis, then ecdysis (molting), leaving the old exoskeleton behind. Sometimes the shed exoskeleton is eaten. Each instar is green, though the first two instars do have some variation in which some larvae will have black underlying splotches on their dorsal side. The final instar grows to approximately 70 mm (2.8 in) to 90 mm (3.5 in) in length. This is a tree-dwelling species. Larvae stay on the same tree where they hatched until it is time to descend to the ground to make a cocoon. When females emerge from cocoons they fly to preferred tree species, emit pheromones, and wait there for males to find them.(Wikipedia)