Dyar.] 154 [Nov. i, 
(lorsally, thus detining a whitish dorsal line. Warts large, black, with 
numerous stiff, radiating, rather short hairs. Feet blackish. Duration of 
stage six days. 
Third stage. — As before. A few hairs from the posterior part of the 
body are long and whitish. Width of head 0.65 mm. Duration of stage 
seven days. 
Fourth stage. — Head entirely shining black witli a few hairs; Avidth 
0.85 mm. Body blackish, especially subdorsally ; warts black, giving the 
appearance of pale dorsal and subdorsal lines between the warts. Ilair 
short, stiff, black dorsally, whitish subventrally, with three or four long 
white hairs posteriorly. Duration of stage seven days. 
Fifth stage. — Width of head 1.15 ram. Body black subdorsally, pale 
laterally, all the warts very large, shining black. An orange-red dorsal 
line ending at anal plate and cervical shield. Hair stiff, short, black, 
colored as before. Duration of stage seven days. 
Sixth stage. — Head black; width 1.6 mm. All deep black except the 
narrow bright red dorsal line. Sides a little paler; subventral hair pale. 
Hair thick, bristly, black, covered with little branches or barbs except the 
few long posterior hairs. The warts of row 2 have shining blue-black 
bases, the tops punctured and bearing the hairs. Warts of rows 3-5 also 
elevated, but the bases are fleshy brownish, giving the appearance of 
obscure pale bands. Tops of all warts deep black. The red dorsal baud 
becomes yellowish white in the segmental incisures, forming conspicuous 
dots. Later the lateral area appears grayish, against which the black 
apices of the warts contrast. Hairs from warts 1-3 black ; from 4 shading 
into glassy white ; from 5 and 6 pale salmon. Abdominal feet blackish 
brown, the claspers slightly reddish. Duration of stage seven days. 
Seventh stage. — As before. Width of head 2.2 mm. Bases of warts 3 
distinctly light reddish, contrasting and forming a broken subdorsal 
band. Duration of stage eight days. 
Eighth stage. — Head shining black; width 2.8 mm. Body black, mottled 
with whitish (posteriorly on the segments only above the subdorsal band), 
leaving a black subdorsal band below which the warts of row 3 are dis- 
tinctly light red, brightest at their bases, only the minute hair-beai'ing 
granulations being black. Warts 1 and 2 very black, the rest less reddish 
than row 3. Dorsal band rather broad, vermilion-red, becoming yel- 
lowish white in the incisures; but the color is not seen when the segments 
are contracted. Hair bristly, cleft into numerous short barbs along its 
length, black, becoming pale laterally and pinkish red subventrally. 
Mature larva about 20-25 ram. long. Duration of feeding in this stage 
seven days. 
Cocoon. — A coarse network of silk among leaves or other material on 
the ground. No hair is used in its construction. 
Pupa. — Cylindrical, rounded, 'iabdominal segments tapering. Length 
18 mm.; width 5 mm. Color blackish mahogany with a white bloom. 
Creraaster short and thick, slightly conical, with a terminal tuft of spiny 
hooks. 
Food plants.— YaxiQWii low herbs. 
