Genus
Cephenemyia
Cephenemyia jellisoni. Photo: (c) Mickey Long, some rights reserved (CC BY-NC)
The name deer botfly (also deer nose bot) refers to any species in the genus Cephenemyia (sometimes misspelled as Cephenomyia or Cephenemya), within the family Oestridae. They are large, gray-brown flies, often very accurate mimics of bumblebees. They attack chiefly the nostrils and pharyngeal cavity of members of the deer family. The larva of Cephenemyia auribarbis, infesting the stag, is called a stagworm. The genus name comes from the Greek kēphēn, drone bee, and myia, fly.
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