Morphology

MORPHOLOGY - SHEEP NASAL FLIES

  • Dark grey coloured hairy fly

 Head

  • Arista bare
  • Mouth parts vestigial in adults
  • Muscid type wing venation

Thorax

  • Tarry spots are seen on the thorax

Oestrus ovis

Abdomen

  • Few black coloured spots are also seen on the abdomen
  • The adult stages are non parasitic while the larval stages are seen in the nasal cavity and other sinuses of sheep/sometimes in goats and man as well

Oestrus ovis adult

Last modified: Friday, 23 December 2011, 11:21 AM