110 FLIES FOR SEPTEMBER. 



No. 44. WILLOW (OR WITHY) FLY. 



This fly comes from a water pupa. It is ex- 

 tremely abundant during this month and the next, 

 and even later in the season. On very fine days 

 it may even be found on the water in February. 

 It generally flutters across the stream, and is best 

 imitated buzz fashion. 



IMITATION. 



BODY. Mole's fur spun upon yellow silk. 

 WINGS AND LEGS. A dark dun cock's hackle 

 strongly tinged a copper-colour. 



