REVISIONARY CLASSIFICATION OF RUTILIINI 151 

46 47 
profile of Fovmosia fusca sp.n. 41-44, range of shape in profile of the surstylus in For- 
mosia s. str. 45-47, epandrium, cerci and surstyli in profile (hairing omitted) of Cheto- 
| Fics 40-47. Male genitalia in Formosia and Chetogaster. 40, complete hypopygium in 
| 
| gaster canberrae (45), C. oblonga (46) and C. violacea (47). 
