ORTHORRHAPHA 

 BRACHYCERA 



Tabanidae 



Fig. 40. Chrysops caecutiens L. 9 9 mm. from frons 

 to tip of abdomen, 13 mm. from frons to tip of wings. 

 The male has abdomen entirely black, and is rarely 

 taken. 9 m swarms in damp weather in woods. 

 Compare with Figs. 41-43. See Typical Flies, 

 Figs. 43-48. 



Fig. 43- ? 



Figs. 41, 42, 43. Chrysops sepulcralis F. In these 

 flies the 9 vary in length from 6 mm. to 8 mm. In 

 case of $ solitary or sparse, found on grass or rush 

 in bogs, and very swift in movement. In case of 9 

 in swarms, and alighting on people. Abundant in 

 certain marshy localities near Wareham, Dorset. 

 On Morden Heath, in three days of two or three 

 hours, 140 were taken, all $ . The $ were taken in 

 twos or threes, July 1917, 1918, mainly in swamps. 

 $ yx 15 mm. In 9 spread of wings 13 to i6mm. 



