152 THE CANADIAN ENTOMOLOGIST. 



Limnephilus secludens, n. sp. (Figs. 17, 27). 



Palpi yellowish, very slender; face dark, with yellow hair! 

 vertex and thorax dark, with yellowish hair and dark bristles! 

 abdomen dull black above, venter pale; legs yellowish, spines black, 

 tibia 1 with very short spines; wings mostly pale, but brownish 

 behind and these faintly broken with pale, a blackish mark on 

 thyridium; hind wings pale, venation yellowish. Fore wings with 

 the discal cell longer than its pedicel; hind wings with discal cell 

 hardly reaching before fork of median. The dark, median pieces 

 of male genitalia are only visible from behind. 



Expanse 20 mm. 



From Penticton, British Columbia, 9th August (Wallis) and 

 Saskatchewan, July. 



Limnephilus argenteus, n. sp. (Fig. 13). 



Palpi brownish, face brown with black bristles; vertex dark, 

 pale behind; antennae brownish, faintly annulate, thorax grayish 

 brown, with black bristles and some white hairs near base of wings; 

 abdomen black, tips of segments pale; legs pale yellowish, with 

 black spines, no dark marks on tibiae. Wings brown, densely 

 guttated with silvery marks, large oblique spot near the middle, 

 several near the thyridium and in base of first subapical cell, and 

 near base, but not extreme base, of apical cells with silvery spots, 

 smaller silvery spots all over the wing, costal area with brown 

 marks. Venation as in L. gravidus) in hind wings the fourth 

 apical cell is plainly narrower than the second, but not acute, the 

 cross-vein from base of fork 5 up to upper median is much more 

 convex basally, and the lower median more fractured than in L. 

 gravidus. The pronotum is longer and more flat above than in 

 that species. The hind wings are excised as in that species, and 

 in Colpotaulius, but the shape of fore wings and general appearance 

 more like Limnephilus. 



Expanse 35 mm. 

 From Nipigon, Ont., 18th June (Walker). 



Stenophylax hesperus, n. sp. (Figs. 6, 21). 

 Palpi yellowish; antennae dark brown, black on basal joint, 

 paler towards tip; face yellow, with black bristles; vertex yellow, 



