402 



Wirth and Stone: Diptera 



mouth brush 

 antenna 



eye s 



Fig. 14:19. Simuliidae. a,c-e, Sirnulium ornatum Mg.: a, larva; c, detail of anterior wing margin; 

 d, part of hind tarsus; e, femole genitalia, b, Prosimulium hirtipes (Fries), wing; t-h, Simuiium 

 salopiense Edw., male genitalia: f, lateral view with near basistyle removed, other indicated by 

 a dotted line; g, ventral view; h, inner view of left basistyle (att., point of attachment of paramere 

 to basistyle; cer., cercus; gd., genital duct; go., genital opening; ms., median sclerite; ph., 

 parameral hooks; pm., paramere; sty., dististyle; vp., ventral plate; ixS., ninth sternite; ixT, 

 ninth tergite). i-p, Simuiium arcticum Mall.: I, female; /, male (not same scale); k, respiratory 

 organ of pupa; /, pupa, lateral view; m, same, dorsal; n, cocoon, dorsal view; o, pupo, ventral 

 view; p, cocoon, lateral view (o-e. Smart, 1944; t-h, Freeman, 1950; i-p, Cameron, 1922). 



