Thanks to Ken... These are wasp larvae that are about to pupate on the outside of the caterpillar body. Parasitic wasps are endo-parasites - that is they feed on the inside of the caterpillar body but they emerge from the body to pupate on the outside. You can actually see some silk strands attaching the caterpillar to the leaf. The white to yellow wasp pupal cases enshroud the dead body of the caterpillar. Ken
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Thanks to Ken...
These are wasp larvae that are about to pupate on the outside of the caterpillar body. Parasitic wasps are endo-parasites - that is they feed on the inside of the caterpillar body but they emerge from the body to pupate on the outside. You can actually see some silk strands attaching the caterpillar to the leaf. The white to yellow wasp pupal cases enshroud the dead body of the caterpillar. Ken
Yes, that is how it looked. Do you know the wasps?
could it be a parasitized caterpillar? Sometimes wasps lay egg in lepidoptera larvae.