SIMULIIDAE OF AFRICA 



165 



217 



218 



219 



221 



220 



222 



223 



Figs. 217-223. Pupal characters of African Simuliini. 217, gill form in subgenus Teti- 

 simulium. 218, side view of cocoon in subgenus Tetisimulium. 219, gill form in sub- 

 genus Simulium s. str. from North Africa. 220, gill form in subgenus Odagmia. 221 

 and 222, gill form in subgenus Byssodon. 223, gill form in genus Afrosimulium. 



