15° 



R. W. CROSSKEY 



88 



89 



90 



91 



Figs. 88-91. Usual form of <J hypopygium in African subgenera of Simulium. 88, Eusim- 

 ulium, excluding aureum-gvoup. 89, Lewisellum. 90, Anasolen. 91, Freemanellum. 



