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(Animals) any hymenopterous insect of the family Ichneumonidae, whose larvae are parasitic in caterpillars and other insect larvae
any of numerous wasplike insects of the family Ichneumonidae, the larvae of which are parasites of the larvae and pupae of many insects, esp. moths and butterflies.
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|Noun||1.||ichneumon fly - hymenopterous insect that resembles a wasp and whose larvae are parasitic on caterpillars and other insect larvae|
hymenopter, hymenopteran, hymenopteron, hymenopterous insect - insects having two pairs of membranous wings and an ovipositor specialized for stinging or piercing
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