62 
PSYCHE 
[April-June 
the posterior edgfes almost wing-margined on joints five to nine, finely annulate. 
Dark blackish brown, dorsal line linear, w'hitish ; traces of w'aved subdorsal ; 
subventer with wdiite streaks on the fold, the lower subventral area nearly 
black. Skin black, granular ; setae short, white, capitate. 
Stage IF. Head highly bilobed, the lobes separated b)' a deep notch but 
rounded, a strong depression at the apex of clypeus ; red browm, mottled and 
dotted with dark brown; width .g mm. Body moderate, large for the head, 
flattened, the segments strongly widened posteriorly, cuneiform in dorsal view, 
joints eight and nine most widened, the thorax and joints ten to thirteen con- 
tracted, all rather finely annulate. Dark blackish brown, slightly variegated in 
lighter; a pale subdorsal streak on joints ten to thirteen; edge of subventral 
fold streaked in yellowish white, especially on joints seven, eight, and nine; 
venter and feet nearly black w'ith a few whitish dots in rows. Skin minutely 
granular; Uihcrcles obsolete: setae short, pale, swollen, sack-like. 
Eggs June lo, a few aiiparently mature larvae in August, but most of 
them remained very small and probably normally hibernate. They were fed 
on Polygonum. Larvae from Kaslo, British Columbia. 
