Larval Hymenoptera parasitoid that recently emerged from the body of a Lepidoptera host and began spinning the looping structure for its cocoon. You can see the silk coming from glands near the mouth. Later the entire cocoon will be filled in with silk and it will be opaque.

HymenopteraLepidopteraSphingidaecaterpillarcocoonhornwormhostlarvaparasitoid