No.i37fi. LEPIDOrTEliA OF THE KOOTENAI DISTRICT— DYAIi. 789 



fore -w'mg^r, {7'nhen8 Hy. Edwards). The. species extends throughout 

 temperate North America. Larvaj from the Atlantic region ha\e l)cen 

 described by (Irote, Co(}uillett, Fischer, llolhmd, and Smythe, feeding 

 on snoAvberry. Mr. Cockle found an egg on this plant at Kaslo, and 

 Mr. Caudell obtained a young larva. 



E<j(j. — Elliptical, symmetrical, narrowed in dorsoventral diameter; 

 leaf green, minutely shagreened over a fine, obscure, hexagonal reticu- 

 lation, scarcely shining. Size, 1.3 b}'^ 1.15 by 1 mm. 



Stage I. — Head rounded, cap-like, slightly bilobed, black on the 

 face, >)ut diluted on the sides almost to luteous; epistoma pale; eyes 

 l)lack. Bod}" normal, horn rather long, stout, tapered, black, bearing 

 two setiB at the tip. Color pale yellow, cervical shield large, black. 

 Seta3 furcate, T-shaped^ distinct, black; i dorsad to ii, v dorsad to iv 

 on subventral fold; no subprimaries; on the thorax ia and ib, iia and 

 iib from single tubercles; vi of two small separate sette; vii and viii 

 small, black on the legless segments. Horn minutcl}^ capitately setose. 

 Later the color is whitish, the segments finely annulate, a faint pale 

 sulidorsal line from joint 2 to the horn. 



Stage II. — Head rounded, high, the apex under joint 2, smoky 

 green, shaded with blackish over the face below, pilose with fine 

 secondary hairs; width 1 mm. Body normal, the horn moderate, 

 conical, tapered,- black, setose. Segments finely annulate and with 

 numerous secondar}^ granules, tubercle i showing as a larger granule; 

 a row of large ones on the collar. Green, shaded with smok}' ])lackish 

 except at the ends, a pale subdorsal line from joint 2 to the horn. 

 Venter and feet nearly black. 



Stage III — Head rounded, higher than wide, somewhat conoidal; 

 green with a vinous brown shade about the eyes extending upward in 

 a difl'use ))and each side of the clypeus nearly to vertex; secondary 

 granules whitish; width, 1.8 mm. Bod}^ green, annulate, Avith dense 

 secondary white granules. Horn long, tapered, black except at the 

 sides at base where it is luteous; subventral region to spiracles shaded 

 in vinous brown, tinting the feet except the plates of the anal pair. 

 A narrow white su})dorsal line; spiracles faintly ocherous. 



Stage IV. — Head as before, the dark shade faint and detached from 

 the ocellar patch; width, 2.3 mm. Green, the dorsum whitish, sides 

 yellowish; granules white or 3'ellow; dorsal shade bluish green; sub- 

 dorsal line pale 3^ellow, white at the horn, which is black at tip, red- 

 dish and luteous at base. Spiracles orange, more or less surrounded 

 by obli([ue brown spots. Venter purple brown, feet dark luteous, 

 anal flap and footplates green. 



Stage K— Head green with white granules, epistoma wliit(\ antenna' 

 brown; width, 3.3 nmi. Body as in the previous stiige. 



