and Ichneumon, Megarhyssa macrurus, wasps are valued for destroying harmful caterpillars in your garden. These tiny, parasitic wasps insert their eggs under the caterpillar's skin and larvae feed ...

Once hatched, the ichneumon larvae consume the still living host. Common hosts are larvae or pupae of butterflies, moths, beetles, ants, bees and other wasps. Females of certain ichneumon species ...