Definition of robber fly in English:

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robber fly

Pronunciation: /ˈräbər flī/


A large powerful predatory fly that darts out and grabs insect prey on the wing.
Example sentences
  • The nerve toxins immobilize the hapless insect, while the digestive enzymes turn its innards to mush, which the robber fly consumes.
  • Grasshoppers here and in other grasslands are readily eaten by both vertebrate and arthropod predators (including robber flies and especially spiders).

For editors and proofreaders

Syllabification: rob·ber fly

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