Oestrus ovis in the nasal cavity of an adult sheep. The right-side image has been taken at a shorter distance, allowing the two spiracles that characterize the species to be seen.

 




 
 
 
 
 

 

  Portuguese	  English 

 

 

Copyright © 2001 by MC Peleteiro. M Pinho & JS Orvalho

design by R Noiva