Once a hornworm has been injected with braconid wasp eggs, its life cycle starts to deteriorate. If you find a hornworm in your tomato patch covered with wasp cocoons, leave it alone. Allow the ...

Woodmansee Photo: Tobacco hornworm on a tomato plant that has been attacked by a parasitic Braconid wasp ... until the adult emerges. Adults mate and lay eggs. An insect with incomplete metamorphosis ...