Definition of fairy fly in English:

fairy fly

Syllabification: fair·y fly

noun

A minute parasitic wasp that lays its eggs in the eggs of other insects.
  • Family Mymaridae, order Hymenoptera: numerous genera
More example sentences
  • They have a strong claim to be one of the world's smallest insects, as the fairy fly Alaptus magnanimus is only 0.21mm long.

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