CYCLORRHAPHA 



Efroboscidea 



32 



Hippoboscidae 



In the Eproboscidea the ovum hatches within the bod)- of the parent, and is deposited 

 as a larva and [jupates rapidly. (See Caiiibn'dgr A^crt. Hist. vol. \ I. p. 517, and Ih-itisli 

 Bloodsucking Flics, E. E. Austen, p. 62, famil)' Hippoboscidae.) 



Figs. 113, 114. Hippohoxca equina L. 7 x 18 mm. New Forest, ig ix. 1915. (Adams.) These flies are 

 found on the Forest ponies. Horses not used to them, when attacked, become unmanageable. 



i- 



Figs. 115, 116. Slcnoptcryx liirundinis L. (^ 3 mm., 5 mm. Found as spherical dark brown puparia in 

 the nests of Martins and Swallows, Hauxton Mill. (N. I). F. Pearcc.) Bred out Sept. -Oct. 1917. A pale 

 brown fly throughout. 



