Definition of deer fly in English:

deer fly

Line breaks: deer fly

noun

1A bloodsucking louse fly which is a parasite of deer. It loses its wings on finding a host, and the female gives birth to fully grown larvae.
  • Lipoptena cervi, family Hippoboscidae
More example sentences
  • Swatting at mosquitoes and deer flies, the five picked their way through the Florida scrub, trying to avoid the briars and sawgrass sharp as a sword blade.
  • The mosquitoes and horse and deer flies were out in force and bent on extracting blood and flesh.
  • For years I had a terrible problem with face flies, deer flies and ticks.
2A bloodsucking horsefly which attacks humans and other large mammals. It can transmit various diseases, including tularaemia.
  • Genus Chrysops, family Tabanidae: several species, including C. callidus, widespread throughout North America
More example sentences
  • Biting flies common in the U.S. include the species Chrysops discalis (deer fly), Chrysops aestuans, Chrysops relictus, and Chrysozona pluvialis.
  • Having the rabbit as my companion, albeit for only a short while, was a welcome distraction from the black deer flies attracted by my sweat.

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