NO. 1140. NOBTH AMERICAN NOCTUIDAE— SMITH AND DYAR. 55 



markings are a little more distinct. As compared with feJina the wings 

 are shorter and proportionately broader. The markings are much 

 better defined than in any specimens of felina that I have seen, and 

 with a series of the insects at hand there is no difficulty Avhatever in 

 recognizing their distinctness. The sexual structures are very similar 

 in the two species, the harpes mfrigkJa being proportionately a little 

 broader, while the clasper seems to be rather longer and more slender; 

 but the difterences are slight and would hardly be considered of specific 

 importance were it not for the other characters. 



This is also the species referred to by Mr. Henry Edwards as the 

 Pacific coast form, which he believed to be the true lepusculina Guenee. 



LARVA. 



Edwards, Proc. Cal. Acad. Science, 1875, VII, p. 23 (/epuscw/ma). — French, Can. 

 Ent., 1884, XIX, p. 49 (felina).— Packard, Fifth Kept. U. S. Ent. Comm., 

 1890, p. 566 (felina). 



Stage I. — '^'Dull whitish, upper part and sides of joints 2, 4, 5, 7, 8, 

 9, 12, and 13 reddish purple; brown hairs in clusters from the tubercles, 

 the dorsal ones larger than the body; head black, feet x>urplish." 

 (French.) 



Stage II. — "White, the dark dorsal joints black; tubercles and head 

 black ; hair from the dorsal tubercles gray, the rest whitish." (French.) 



Stage III. — "Creamy white, joints 2-5, 7-10, 12, and anal plate black 

 above; a fine, white dorsal line. Tubercles bearing hairs of various 

 lengths, the two dorsal ones on joints 5, 7, and 12 with small pencils of 

 short black hairs and a few black hairs on the other dark joints. Head 

 and feet black." (French.) 



Stage IV. — "A dorsal gray stripe with central white dorsal line; a 

 subdorsal gray stripe; sides greenish pale yellow. Hairs in thick clus- 

 ters, si)readiug, with black tufts on joints 5, 7, 8, and 12 and forming a 

 long fringe on each side of the body and behind." (French.) 



Stage V (interpolated). — Head shining brown-black or pale, mottled 

 with black spots; width, -1 mm. Body greenish white without marks, 

 warts very small, primary and secondary hairs alike, long, fine, radi- 

 ating in all directions, but straight, not curved; small black dorsal 

 l)encils on joints 5, 7, and 12 shorter than the other hair. 



Stage VI. — Head pale, reddish mottled; width, 4.5 mm. Body with- 

 out marks, the numerous long, soft, fine hairs radiating in all direc- 

 tions, yellow, not obscuring the body. No black hairs. Thoracic feet 

 black. 



Cocoon. — "Of silk and wood fiber; thin, firm, and tough." (French.) 



Pupa. — Abdominal segments regularly tapering, slightly punctured 

 in front; cases shagreened; mahogany brown. Cremaster short and 

 wide, coarsely wrinkled above, upper hooks single, lower six to eight on 

 each side, some projecting laterally, others backward, recurved. 



Food plants. — Willow and poplar. 



