568 FIFTH REPORT OF THE ENTOMOLOGICAL COMMISSION. 



moths escape from the hibernating cocoons in June, as reported by 

 observers in Canada* and Massachusetts,t and the larvae are reported 

 only in September and October, during which months the pupte are 

 found. Previous to the pupation the larvpe spin a cocoon of silk 

 within a bunch of leaves, or sometimes attached to a twig." (Forbes.) 



Larva. — FrevailiDg color, black. Each joint with a transverse, dorsal, crimsou-rerl 

 band across the middle from stigmata to stigmata, and containing six warts, each 

 furuishlug ten or twelve or more stiff yellow or fulvous bristles, and the two dorsal 

 ones being farthest apart. A subdorsal, longitudinal, yellow line, interrupted by 

 this transverse band and at incisures in such a manner that the black dorsum ap- 

 pears somewhat diamond-shaped on each joint. A broad, wavy, bright-yellow stig- 

 matal line, containing a yellow bristle-bearing wart in the middle of each joint. 

 Lateral space occupied with different sized pale yellow spots, largest towards dor- 

 sum. Head chestnut-brown. Venter crimson-black, with bristle-bearing warts of 

 the same color. Stigmata oblong-oval and pale. Thoracic legs black ; prolegs with 

 black extremities. Such is the normal appearance of this larva, but it is very vari- 

 able. In some the yellow seems to predominate over the black, and there is a more 

 or less distinct dorsal line. In some this dorsal line forms a mere speck at the in- 

 cisures of the middle joints. The transverse crimson band is often entirely obsolete, 

 and the warts distinctly separated, while in others, wherj this band is distinct, the 

 warts frequently coalesce. (Riley.) 



Pupa. — Almost black, and shagreened with the exception of a smooth and polished 

 rim, at posterior border of joints, which become reddish, especially ventrally, on the 

 three joints immediately below the wing-sheaths. Terminal joint horizontally com- 

 pressed, squarely cut off, and furnished with a little brush of short, evenly-shorn, 

 stiff, rufous bristles. (Forbes' Second Rep. Ins. Illinois). 



The moili. — Front wings oblong; apex more or less prolonged ; posterior margin 

 sometimes rounded, sometimes straight ; color ash-gray, caused by numerous dark- 

 brown atoms more or less suffused on a white ground, from which the ordinary lines 

 are barely discernible in the better marked individuals; a row of distinct black dots 

 along the posterior border; the ordinary spots represented by blurred marks or en- 

 tirely obsolete ; the undulate line across posterior fourth of wing distinct, and re- 

 lieved inside by a pale coincident shade, with the teeth quite aciculate and with the 

 psi-spot so characteristic of the genus, but rarely traceable ; fringe narrow and gen- 

 erally entire. Hind wings pure white, with a faint row of dark spots around the 

 posterior border. Under side of both wings white, with a faint fulvona tint and 

 faint irrorations; each wing showing the brown discal spot and the row of points 

 at the posteiior border. Head and thorax speckled gray ; abdomen whitish-gray; 

 antennae short, simple in both sexes, gray above and brown below ; palpi small. 

 Two specimens with the front wings very dark, showing the ordinary lines and 

 spots conspicuously, and with the antennaj brown above as well as below. Average 

 length, 0.75; expanse, 1.75 inches. (Riley.) 



23. Apatela. 



Mr. H. H. Wilder kindly presented me with two larvae of this species 

 found at Brunswick, Me., August 20. 



Larva. — Rather large, of the usual shape, regularly tapering towards each end ; 

 head all black except the larval antennal joints. Body dull livid green with abroad 



* Report of the Entomological Society of Ontario, 1872, p. 23. 

 tThe Canadian Entomologist, vol. x(1878, p. 66). Psyche, vol. ii, p. 34 (May and 

 June, 1877.) 



