26 THE ENTOMOLOGIST. 
Pura.—Colour dingy green, a broad dorsal stripe obscure red-brown ; 
dorsal hairs and warts as in the larva; sometimes the whole of the dorsal 
area is suffused with red-brown; in this case the wing-cases are pale green, 
and the antenne-cases either brownish green or red-brown; fastened by 
anal segment to some portion of food-plant, often to a leaf or stem of the 
withered top. July. 
Plate I., fig. 1, Aciptilia baliodactylus ; 1 a, larva; 1b, ditto, enlarged ; 
1c, pupa, enlarged; 1d, food-plant, marjoram (Origanum vulgare). 
I expect this species will be found not uncommon wherever 
the food-plant occurs in any quantity. 
Thanks to Mr. A. B. Farn, larve of this species were found by 
Mr. Carrington and myself in Kent, in June last. 
AcrpTitia, Hb. 
pentadactylus, Linn. 
tridactyla, Scop. 
(PuateE I., Fia. 2.) 
Imaco.—Expanse, 12-14 lines. Fore wings white, sometimes with a 
faint yellowish tinge; a few minute black scales on the inner margin of 
outer digit, and small dark grey dot in the curve of inner digit. Fringes 
long, white and silky. Tips of both digits pointed and deflexed. Hind 
wing white, with long white silky fringes; a small dark grey spot on the 
fringe near the middle of 2nd feather. Head, thorax, abdomen and legs 
white. June—August; most often seen in July. 
Larva.—Length, 8 lines; fairly stout, tapering slightly posteriorly. 
Head smaller than 2nd segment, shining yellowish ; face pale greenish, a 
dark brown spot on each cheek; mandibles pale brown. Ground colour 
green ; the dorsal area is margined by narrow whitish lines running from 
the 3rdsegment; on these lines, at the posterior edge of each segment, is a 
large, somewhat triangular yellow spot, the enclosed ground colour is thus 
formed into a series of lozenges, intersected by the darker intestinal canal ; 
the yellow spots on the 9th segment coalesce, forming a conspicuous blotch. 
Tubercles, two dorsal rows (two on each segment) black, from 5th to 11th 
segments inclusive, the others are of the ground colour ; each emits a tuft of 
hair of unequal lengths, the shorter ones are whitish and the longer dark 
grey; two long grey hairs project over the head from the edge of 2nd 
segment, and there are also single grey hairs of considerable length rising 
from each of the dorsal warts on the 2nd, 3rd, 4th, 11th and 12th segments ; 
those on the anterior segments stand nearly erect, whilst those on the 
posterior segments curve backwards. Subdorsal, a row of black warts, with 
tufts of short whitish and longer dark grey hairs ; the spiracular row of warts 
