179 

 Jewett: Plecoptero. 



Fig. 6:49. Male terminalia of AHoperla, a,b, and d in dorso- 

 ateral view and c in lateral view, a, pacifica; b, signata; c, 

 ■.oloradensis; d, borealis (Needham and Claassen, 1925). 



Fig. 6:51. Female terminalia of AHoperla, in ventral view. 

 a, coloradensis; b, fidelis; c, exquisifa; d, severe; e, fraterna; 

 f, pacifica; g, borealis; h, pallidula; i, signata (a,b,f,g,i. Need- 

 ham and Claassen, 1925; c, Frison, 1937; d,e,h, Frison, 1935). 



Fig. 6:50. 

 a, forcipata; b, 

 1952). 



Female terminalia of AHoperla, in ventral view. 

 , tamalpa; c, townesi (a, Ricker, 1943; b,c, Ricker, 



— Supra-anal process extending well beyond the 10th 



tergite 13 



Disc of the pronotum with a dusky central stripe (fig. 



6:48a); southern California continua Banks 1911 



Disc of the pronotum with reticulate dark markings 



(occasionally clear in fidelis) 14 



Supra-anal process about 1.7 times as broad near the 

 tip as it is near the base (figs. 6:486; $, 6:516); British 



Columbia to California; Idaho to Wyoming 



fidelis Banks 1920 



13 



1! 



