CYCLORRIIAPIIA 



El'ROIiOSCIDEA 



45 



Hippoboscidae 



Fig. 153. Hippobosca equina Linn. $ 6x16 mm. 

 The " Foiest fly," cra\vlin<j on horses, in the 

 New Forest especially, and terrifying them. The 

 female produces her young matured as a " pu- 

 parium." (New Forest.) 



Fig. I 54. Oriiithoinyia avicularia Linn. 

 5x15 nun. I'arasilic on fowls, 

 thrushes, blackbirds, etc. 



Fig. 155. Mclop/mgiis o'l'i'mis Umn. 6 mm. 

 Known as the " Ked," or " .Spider fly," 

 greatly irritating sheep. The larva is 

 hatched in the body of the fly (which is 

 apterous) and changes to the pupal state 

 at once. 



