290 DIPTERA OF AUSTRALIA, 



* In middle of anterior border, or before it. 



^* Between middle of anterior border and apex of wing. 

 2, In hind feet metatarsus longer than second tarsal joint. 

 Second longitudinal vein joining costa : 



* In middle of anterior border, or before it. 



** Between middle of anterior border and apex of wing. 



b. Ungues with bristly hairs instead of pulvilli. Ungues of 



equal length in both sexes. 



In hind feet metatarsus longer than second tarsal joint. 

 Second longitudinal vein joining costa : 



* In middle of anterior border, or before it. 



** Between middle of anterior border and apex of wing. 

 CuUcoides, Latr. 



c. Ungues without pulvilli or bristly hairs. One of the 



ungues longer than the other (in 9 only ?). 



In hind feet metatarsus longer than second tarsal joint. 



Second longitudinal vein joining costa between middle 

 of anterior border and apex of wing. 



B. Wings entirely naked. Second longitudinal vein joining 

 costa between middle of anterior border and apex of 

 wing. 



a. All femora unarmed. 



1. Ungues not denticulated. 



* Ungues of equal length in both sexes. 



** Ungues equally long, with a side-claw standing out- 

 wards in ^. 



*"^* In ^ one claw longer than the other. 



2. Ungues (in the 9 only 1) with a tooth on inner side. 



Ungues of equal length. 



