186 ZYG^NID^ AND BOMBYCIDiE. 



EuchcEles egle, Harris, Ins. Inj. Veg., p. 257. (1841.) 

 Spilosoma egle, Walker, Cat. Lep. B. M. III. p. 669. (1855.) 

 Euchceiesegk, Clemens, Proc. Acad. Nat. Sci. Phil., p. 532. (i860.) 

 Spilosoina egle, Morris, Syn. Lep. N. Am. p. 343. (1862.) 

 Euchcctes egle, Harris, 3d Ed. Ins. Inj. Veg. fig. 172 larva, 173 



cocoon, 1 74 pupa. (1862.) 

 EuchcEtes egle, Packard, Proc. Ent. Soc. Phil., p. 130. (1864.) 

 Euchcetes egle Harris' Corn, p. 288, pi. 2, fig. 5, (larva.) (1869.) 

 <5 . ? . — Entire insect both above and below soft blueish-gray or 

 stone color. Fringes paler. 



Abdomen dirty yellow ochre above, paler beneath ; with a dorsal 

 and double lateral row of small black spots. 



Expatise 0/ wings 1.75 inches ; length of body, 0.60 inch. 

 Habitat. — Atlantic States generally. Canada [Saunders]. 

 Larva. — "Feeds on milkweed [asclepias syriaca); is gregarious, 

 feeding in parallel lines or files on the under side of the leaves, eating 

 the leaves. from the edges. August 20th." 



' ' Head and body black, with a narrow, white, lateral line and six- 

 teen legs. Head incurved, and first four segments arched upward, in 

 repose. Each segment with a transverse series of short, stellated tufts 

 of whitish hairs ; second and third segments each with four black pen- 

 cils curving over the head, and nearly horizontal in repose ; fourth seg- 

 ment with a short, dorsal tuft of black hairs, covered on each side by 

 an erect, conniving pencil of black hairs before, and a shorter, in- 

 curved, white tuft behind ; a horizontal white pencil on each side above 

 the white lateral line ; fifth to ninth segments, inclusive, each with a 

 dorsal black tuft, covered at the sides before by a dark orange, and be- 

 hind by a lighter orange, or pale yellow, incurved, longer tuft ; on 

 each side above the white lateral line a horizontal black pencil ; tenth 

 segment with a central black tuft, covered before by a deep orange, 

 incurved tuft, and behind by a snow white one, also incurved or con- 

 nivent, and on each side, instead of the black horizontal pencil, a 

 ]onger white pencil. Eleventh segment with a dorsal black tuft cov- 

 ered, as on the fourth, with two erect, connivent (but not incurved). 

 black pencils before, and shorter white, incurved ones behind ; lateral 

 pencil black. Twelfth or anal segment with a dorsal jet black tuft, 

 covered on each side by a longer, incurved, black pencil ; no lateral 

 pencil. 



" The short lateral tufts are jet black. The pencils are of a black 

 color, not nearly so intense. " (Harris Corr. p. 288. 1869.) 



