John E. Woodmansee Photo: Tobacco hornworm on a tomato plant that has been attacked by a parasitic Braconid wasp. The white capsules on its back are the pupal stage of the tiny wasp. Braconid larvae ...

It has been inoculated by a parasitic braconid wasp that laid its eggs underneath the skin of the hornworm. The wasp larvae actually feed on the caterpillar starting a process of desiccation that ...