ACRONICTA. By Dr. M. Draudt. 
25 
A. tartarea Sm. is monotonously deep brownish-grey, almost black, with a velvety black clear marking tartarea. 
resembling the following. Basal ray distinctly black, above white, with a branch downwards; before the posterior 
transverse a whitish brightening; the line itself submedianly the darkest, the crossing sagitta extends to the 
margin; undulate line whitish, behind it small black spots; maculae inside scaled white. Hindwing white; 
at the margin smoky. Expanse of wings: 35 mm. Canada (Alberta). 
A. grisea Wkr. (= pudorata Morr.) (3 g). Forewing bluish violettish-grey, strewn with brownish; grisea. 
the posterior transverse stripe is sharply dentate on the upper median and lower radial vein. Hindwing whitish, 
in the $ towards the margin brownish. From Canada to the south as far as Georgia, to the west as far as 
the Mississippi. —- The larva is green with a purple brown dorsal stripe, on the 2nd, 5th, and from the 7th 
to 11th rings expanded, on the latter enclosing a green spot, and with brown lateral spots. On apples, 
birches, willows, elm-trees and others. — f. revellata Sm. (3 i) is larger, with broader wings, more brownish revellata. 
and with a more prominent anal sagittiform spot. From Colorado, Washington. 
A. radcliffei Harv. (4 a) is an ashy grey species with a slight reddish tint and clear marking, in the radcliffei. 
marginal area somewhat more whitish; the double anterior transverse line is distinct and rather straight, tra¬ 
versed by the black basal ray; the same is the case with the anal sagitta, whereas the subapical one is absent. 
The hindwings are white, in the $ towards the margin smoky. -—- In the form vancouverensis Strcl. also the vancouve- 
$ has the hindwings suffused with brown like the $. Vancouver, Canada, United States to Virginia. — Larva rensis. 
black with a yellow dorsal stripe and 3 lateral stripes, thinly haired; it lives on species of Prunus, especially 
on wild cherries. 
A. tota Grt. (4 a) is scarcely to be mixed up with another species; it is smaller and has narrower wings tota. 
than the preceding, darker, dusted with brown and very plainly marked, only the antemedian line is double, 
the postmedian single, and the marginal sagittae are entirely absent. Hindwing white, in the $ smoky. The 
species is besides distinguished by uncommonly short palpi. The life-history is not yet known. Only found 
in Texas. 
A. funeralis G. & R. (3 i) by the black inner-marginal area of the forewing resembles the European funeralis. 
A. olni from which it differs by the absence of the subapical sagitta. The ground-colour is white, more or less 
brownish-grey, in the marginal area more dusted with a greyish green. At the costal margin between the maculae 
there is a black spot. Hindwing white, veins brownish, in the $ hi the whole marginal area. Canada, United 
States. ■— The larva is black with rhombiform white dorsal spots parted on the rings 5 to 12 by a black trans¬ 
verse streak; it exhibits single long spatulate lateral hairs like those of alni, and lives on apple, birch, elm, 
and hickory (Carva). 
A. morula G. ct- R. ( = ulmi Harris) (3 h) is a larger species with greyish-white forewings strewn morula. 
with brown; the black basal ray which extends to the mostly rather extinct antemedian line, is towards the 
proximal margin bordered with reddish-brown. The postmedian line is distally shaded with brown, both sagittae 
are distinct, also the veins in the marginal area are distinctly darkened. The hindwings are brownish. Canada, 
United States to Texas. — The larva is dingy brown with a blackish dorsal stripe and elevations on the 5 th, 
8th and 12th rings. It lives on elms, apple and lime trees. 
A. interrupta Gn. (= occidentals G. & R.) (4 a) looks like a small morula with narrow wings, without interrupta. 
any yellow in the mesothorax and with a purely ashy-grey ground-colour, not so yellowish; characteristic is 
the oblique black streak on the inside of the reniform macula . One of the most common species in Canada and 
the Eastern United States. — Larva reddish or flesh-coloured with a blackish dorsal stripe in which there are 
square black spots with 2 yellow and 2 red dots. It lives on elms, apple trees etc. 
A. spinigera Gn. (— harveyana Grt.) (3 k) is very much like pruni, but somewhat larger. Forewing spinigera. 
whitish, densely strewn with a brownish grey, marked like interrupta , but without the black streak at the reni¬ 
form macula. Hindwing brownish-grey, in the $ darker. United States to Texas. 
A. felina Grt. (3 k) is a most characteristic species, dark bluish-grey, strewn with brown, the veins felina. 
still darker, the marginal area likewise very dark, the transverse lines almost extinct, also of the maculae only 
faint traces; basal ray and the two sagittae well developed. Hindwing white, veins and marginal area brownish. 
United States to California. ■— In Canada the much darker form cyanescens Hmps. flies, with an entirely extinct cyanesccns. 
ring-macula. -—• f. metra Sm. (= turpis Sm.) is a very light form very diffusely strewn with dark, almost metra. 
without any transverse markings at all, only with the very fine 3 black rays. Colorado. — f. amicora Sm. is amicora. 
yellowish ashy-grey, the black ray behind the reniform macula very distinct; the ring-macula is oblong, oblique, 
in front pointed. From Arizona. -— The larva is whitish or yellowish with red-brown dorsal and narrower 
lateral stripes, with long and soft white or yellow hair and one black dorsal pencil each on the rings 5, 7, and 
12. It lives on poplars. 
A. frigida Sm. (= pacifica Sm.) (3 k) is dark bluish-grey, densely strewn with black and with frigida. 
darker veins; of the transverse stripes mostly only the posterior one is distinct; the black basal ray is almost 
