402 William T. M. Forbes 



tinuous dark line in fringe, cut with white below apex, brown rather than black. 

 10 mm. (hamptonana Kearfott, in part). 



Late July to September. Larva in catkins of hazel. 



Pennsylvania. New York: Ithaca. 



17. E. hamptonana Kearfott. Ground wood-brown, without any white patch; a 

 slightly darker patch before the speculum in place of the black dots; costal striae 

 duller, and not continued by distinct gray lines; gray lines of speculum narrower 

 than the enclosed space, which is heavily barred with black; line in fringe obscure, 

 and not crossed by a white stria. 



Hampton, New Hampshire ( types only known ) . 



18. E. momonana Kearfott. Similar to E. transmissana, but smaller; white 

 dorsal patch shaped almost as in E. o.tiosana, but not defined with black. Ground 

 gray, varied outwardly with dull yellow -brown. Dark base with oblique outer 

 boundary on lower half of wing. Speculum with two broad lead-gray bars, both 

 regular and subequal in width (unlike E. transmissana and otiosana) ; filling of 

 speculum ochreous. with four or five black bars. Costal and marginal markings 

 and fringe as in E. transmissana. 13 mm. 



July. 



Ottawa, Ontario. I have seen a type. 



19. E. transmissana Walker. Base dark brown or blackish, striate, with excurved 

 outer boundary, median area white or with a white patch; clouded and striate 

 with fuscous toward costa; followed by a rather triangular brown area resting 

 on the inner margin before the speculum, outer part of costa narrowly brown, 

 with geminate white striae, defined with black; outer margin narrowly brown 

 above, with a line below apex, running out through the fringe. Speculum con- 

 fused, centering high up near the middle of the wing; mainly lead gray and white, 

 with black bars; a black line in base of fringe. 15 mm. 



July. Larva perhaps on birch. 



Northeastern States; Nova Scotia to Illinois. New York: Saranac Inn, Sum- 

 mit of Mt. Marcy, Rock City (Cattaraugus County), Albany. 



20. E. solicitana Walker. Dull brown, striate with violet-gray; with a slight 

 golden lustre at apex. Base mostly brown, with slight gray striation, its outer 

 boundary markedly angulate at the middle; medial area broadly gray to middle 

 of costa, and to beyond the second third of the inner margin, followed by an 

 irregular oblique brown fascia. Costa outwardly with paired whitish strise. Specu- 

 lum of two more or less double silver-gray strise, the ground between them brown 

 with several black dots. Line in base of fringe black, cut with white. 12-15 mm. 



May and June. Larva on white birch. 



Seen from New Hampshire and Pennsylvania ; type from Nova Scotia. " New 

 York" (Fernald). 



21. E. rectiplicana Walsingham. Head, thorax, and basal half of fore wing 

 pure white; the fore wing with some gray flecking, especially along inner margin, 

 and a large blackish splotch in fold. Outer half of wing mingled yellow-brown 

 and blue-gray; the blue-gray shining in the speculum, where it takes the form of 

 two broad, vertical bars. Filling of speculum yellow-brown, with black dots. 

 Outer part of wing also with some white mottlings, especially along costa. 

 Fringe fuscous with black basal line, white at apex. 13 mm. (gallcesaliciana 

 Kearfott in part ) . 



June in New York; November in California. Larva on willow. 

 Rocky Mountain and Pacific States. New York: Peru (Forbes). 

 A very distinct form which will prove to have a wide range in the North. The 

 costal fold is slender and very long. 



22. E. signiferana Heinrich (eastern form). Head and shoulders dark brown; 

 thorax lighter, fore wing ash gray; the base somewhat darker, with oblique and 

 excurved outer boundary; median fascia oblique out from middle of costa to 



