68 INSECUTOR INSCITI^ MENSTRUUS 



Subfamily PHYCITIN^ 



Pyla sylphiella, new species. 



Fore wing brownish black, sparsely dusted with coppery 

 atoms; Hnes very indistinct, blackish, the outer excurved me- 

 sially. Hind wing black. Expanse, 20 mm. 



Type, male, paratype, female, No. 24100, U. S. Nat. Mus. ; 

 Mount Rainier, Washington, August 3, 1906 (Dyar & 

 Caudell). 



Larger than rmnierella Dyar, the irrorations bronzy, not 

 silvery. 



Pyla feella, new species. 



Fore wing black, densely irrorated with coppery scales with 

 purple reflection, taking a green tint only in very oblique light ; 

 lines broad, black, nearly straight. Hind wing black. Ex- 

 panse, 22 mm. 



Type, male, paratypes, male and two females, No. 24101, 

 U. S. Nat. Mus.; Bullfrog Lake, Sierra Nevada Mountains, 

 Cahfornia, 10,634 feet, August 13, 1914 (F. Grinnell, jr.). 



Similar to viridisuffusella Barnes & McDunnough from the 

 Tuolumne Meadows, but coppery purplish instead of green. 



Pyla blackmorella, new species. 



Black, without metallic scales ; fore wing with the lines pow- 

 dery, grayish white ; inner oblique, broadening diffusely to- 

 ward costa, dentate on median vein ; two dark dots at the end 

 of the cell, defined by a broad oblique band of grayish scales; 

 outer line narrow, broken opposite cell, the middle segment 

 excurved and denticulate ; some gray scales on termen, defining 

 a black terminal line, narrowly cut on the veins. Hind wing 

 brownish black. Expanse, 22 mm. 



Type, male, paratype, male, No. 24102, U. S. Nat. Mus. ; 

 Mount Tzouhalem, Duncan, British Columbia, June 24, 1913 

 (E. H. Blackmore). 



The paratype has been returned to Mr. Blackmore at Vic- 

 toria, B. C. 



