362 SYNOPSIS OF CANADIAN ARCTIADAE. 
Hab.—Toronto. The type from Mr. Bethune, Vars. a and b» 
from Professor Croft. 
Spilosoma.—Stephens. 
Palpi more or less exceeding the clypeus, hairy beneath, first and: 
second joints usually short, sometimes the joints nearly equal.— 
Wings white or fulvous with black dots, sometimes wanting. Abdo-- 
men with five or six rows of black dots, sometimes: indistinct; one- 
above, one below, and two on each side. Hind tibie with two pairs 
of spurs near the tip, sometimes minute. 
Table of species : 
A. Wings white. 
B. Wings with few dots ..................s00cee se 2 Vorginica. 
BB. Wings with many dots ...........ccsseee cesses so ACTEM. 
BBB. Wings without dots .................0s0-0-.-.-.. collaris. 
ALA Dye Whites fully oust a 4.32 ecard adoths slic te dyemeeea sotiacs, fomeales Spl elae 
S. Virginica !—Fabr. 
Palpi black above, yellowish below. Antenne white above, with 
black pectinations. Head and thorax white and very woolly. : 
Primaries white, with a black discal dot. 
Secondaries white, with three black dots, one on disk, and the 
others towards the hind margin. 
Under surface with the same markings; the dots on secondaries,. 
especiaily the discal one, more distinct. 
Abdomen deep yellow above, whitish beneath, with five rows of 
black spots, one dorsal, and two on each side. Anterior coxe, and 
femora ochre-yellow, the latter with a black spot; tarsi annulated 
with black. 
Length of body 6-7 lines. Wings expand 17-19 lines. 
“The Larva varies much in color, often of a pale yellow or straw 
color, with a black line along each side of the body, and a transverse 
line of the same color between each of the segments, and it is covered 
with long pale yellow hairs. Others are of a brownish-yeilow or 
foxy red. Head and ends of the feet ochre-yellow. Body below 
blackish.” Will feed on almost any herbaceous plant. 
Var. a. Wings wholly white. 
Var. b. Wings wholly white above, below primaries with a small black 
dot above the disc; secondaries with three black dots. 
Var. c. Primaries with one black dot, secondaries with two. 
