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''Oestrus ovis'' is primarily seen on sheep and goats, but occasionally seen in ibex, camels and humans.
===Identification===
The adult fly is 13-15mm in length and grey in colour, with black spots along the abdomen.
Mature larvae are around 30mm and are yellow in colour. They have distinct black bands the dorsal body segement.
'''Life cycle'''
'''Life cycle'''
The female is viviparous and infects the host by squirting larvae into the nostrils of sheep in a jet of liquid.
The larvae crawl caudally into the nasal cavity and feed on the nasal mucosa and mature, before returning to the nostrils. The L2
*Larval development takes up to 2 months
*Larval development takes up to 2 months