Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Genus Oestrus - Nasal Bot Flies

Sheep Nasal Bot Fly - Oestrus ovis
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Calyptratae)
Superfamily Oestroidea
Family Oestridae (Bot Flies)
Subfamily Oestrinae (Nose Bot Flies)
Genus Oestrus (Nasal Bot Flies)
Six species (1).
Native to Old World, O. ovis now nearly cosmopolitan wherever sheep are raised (1)
Works Cited
1.Myiasis of Man and Animals in The Old World
Zumpt F. 1965. London: Butterworths.