This seems to be some sort of hornworm that is infected with the parasitic wasp Cotesia congregata, which slowly feeds on its host from the inside and then emerges out as eggs, finally hatching...
It is very sad for me to watch it, as I know it slowly is dying in pain, but this is nature, and nature can be cruel at times.
It is very sad for me to watch it, as I know it slowly is dying in pain, but this is nature, and nature can be cruel at times.