i6o 



R. W. CROSSKEY 



188 



192 



189 



193 194 



Figs. 187-195. Pupal gill form in Ethiopian subgenera of Simulium. 



ellum, cervicornutum-gioup. 193 and 194, Meilloniellum. 195, Lewisellum. 

 redrawn from Grenier, Germain & Mouchet (19656)). 



195 



187-192, Pomeroy- 

 (Fig. 191 



