Callidryas ebule, Linn—The Danewort Butterfly. 
This beautiful sulphur-yellow butterfly occurs sparingly in the 
Duthern part of Illinois, but it is not known to be injurious. 
Spec. char. Imago —Expanse of wings from 2 to 2.75 inches. Male: Upper 
ide of both wings citron yellow, with a thin indistinct border of yel- 
>w,more dull anddentate on the fore wings. The fringe, usually, with 
mall ferruginous points at the ends of the veins. The underside a 
ittle deeper yellow than above, with a little ferruginous at the end 
f the discal cell on the fore wings and two silvery discal points cir- 
led by ferruginous on the hind wings. Body black above, abdomen 
ellow, at the segment a transverse black band bordered with yellow. 
Colias eurytheme, Bd—The Eurytheme Butterfly. 
Male —Wings expand about two inches and a half. Ground color 
range. Broad outer border to the fore wings extending a little on to 
ostal and inner edges of the wing, and with yellow on the veins at 
be anterior part, slightly dentate within. Discal dot black, ellipti- 
al. Hind wings, border narrower, discal dot deep orange. Underside 
ghter orange, discal dot on fore wings not prominent, yellow in 
entre; on hind wings, ferruginous, silvery center; submarginal row 
f points on the veins quite dark in the fore wings, less so in the 
ind. 
Female —Differs from the male in being variable in ground color 
•om orange to almost white, the outer border in both wings being 
roader and more dentate within, and spotted with yellow, and the 
iscal dot on the hind wings inclining to be double. 
Body in both sexes black, partly covered with yellow hairs; the col- 
ir, antennae and the edges of the wings roseate; the knob of the 
ntennae tipped with orange. 
Larva —“Length 1.40. Upper surface dark velvety green, finely 
>lded transversely. On either side a narrow white line on which are 
•regular patches of bright vermilion, some of which are occasionally 
laded with orange yellow. Underside green.’’—Edwards. 
Colias philodice, Godt—The Philodice Butterfly. 
This species is smaller than the preceding, the wings expanding 
enerallv from an inch and a half to two inches. The ground color 
the wings is bright sulphur yellow. The border in both sexes is 
ke the preceding species, only narrower and less dentate. 
Larva —“Green, slightly downy, paler or yellowish at the sides, 
nd grows to the length of about an inch and a half.”—Harris. 
