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FIGURES 445 and 446. Potamophylax s t e 1 1 a t us Curt. 



445 — cergite of abdominal segment 9 and anal legs; 446 — 

 left anal rod of pupa, dorsal (445 - after Jacquemart; 



446 — after Nielsen). 



Pupa. Length 17 — 21 mm. Antennae reaching to end of abdominal 

 segment 8 or almost end of body. 



Labruin brownish dorsally, slightly longer than wide, with straight 

 sides; anterior margin with distinct median process with small setae 1 near 

 it; the 5 other setae large, black, hooked, situated on a light area. Mandibles 

 brown basally, dark brown apically; blade straight, serrated; lateral setae 

 dark brown, dorsal seta short, strong, ventral seta thin, smaller. 



Number and arrangement of gills of P. s t e 1 la t us 



Segment 



Dorsal 



Pleural 



Ventral 







1 







2 

















1 









1 







3 

















1 









1 







4 

















1 































1(0) 















6 

















1(0) 















7 











Wing sheaths reaching end of abdominal segment 4. Mid-tarsi with 

 dense, golden brown setae on segments 1—4; hind tarsi with sparse setae 

 on 3 proximal segments. Abdominal segment 1 convex dorsally, brown, 

 slightly sclerotized, with transverse streaks; saddle-shaped process at 



320 



