1A slender parasitic wasp with long antennae that deposits its eggs in, on, or near the larvae of other insects.
- ‘They belong to the order Hymenoptera, which includes bees, wasps, sawflies, and ichneumons.’
- ‘The Persians did not worship wood and stone with the Greeks, nor the ibis and ichneumon with the Egyptians.’
- ‘For him, the fiend that shook his faith was the ichneumon wasp, which lays its eggs inside the larvae of the horntail wasp.’
2another term for Egyptian mongoose
- ‘There are also jackals, wolves, the ichneumon and, possibly, a polecat.’
- ‘They also are in competition for food with the swamp ichneumon, which preys on crabs.’
Late 15th century ( ichneumon): via Latin from Greek ikhneumōn tracker from ikhneuein to track from ikhnos track, footstep.