MEMOIRS OF THE NATIONAL ACADE.AIY OF S(JIENCES. 235 



Riley uot.s laiv;i. as occuvring in July, and captures ..f the niotl.s in May, June, July, and 



^""^Mpla.ts.-llock or sugar maple, red maple, and tbe oak. Mr. Bridgham found a larva in 

 the tlnrd stage (10 nun. in length) on the apple at Providence, July 20. t ,s the sa,ne as tha 

 represented on PI. XXXI, figs. 4, ia. He also found other larv.i^ on chestnut, maple, beech, and 



""""^aplncol dMnkation-Orono, Me. (Mrs. Fernald); Brunswick, ^le. (Packard); Portlaml, 

 Me.(E.S. Morse, Mas. Comp. Zool.); Frauconia, N. II. (Mrs. Slosson); Natick Mass May 2., 

 Stra ton (B. S. N. H.) ; Rhode Island (H. L. Clark) ; Plattsburg, N. 1 . Hudson) ; Iowa, June ( U. S. 

 N^^t Mus); Racine, Wis. (Westcott); Washington, D. C, Georgia (A. Oemler, U S. Nat Mus. ; 

 P nta Go da, Fla. (krs. Slosson); "St. Johns Blui*, East Florida March and Aprd ' (Doubleday); 

 New York, Maryland, Washington, D. C, Florida, Georgia (U. S. Nat. Mus.); Maine, New 

 Hampshire, New York (French); Fort Collins, Colo. (Baker). 



This species probably ranges from the southern limits of the Hndsonuin fauna southward 

 through' the Appalachian and Austroriparian snbprovinces, and very rarely occurs m the 

 ■Cainpestrian (Colorado). 



Heterocampa bitmdata Wulker. 

 (PI. V, fiKS. 4 J, 5 9-) . 



Heterocampa hUmdala AV.-xlk., Cat. Lcp. Het. Brit. Mus., v, p. 1025, 1855. 

 Lochma-i,^ bmmJala Pack., Proc. Ent. Soc. Phil., iii, p. 370. lSb4. 

 Lochmaus oUrata Pack.. Proc. Ent. 8(.c. Phil., iii, p. 371, 18G4. 

 Heterocampa hiundaia Morris, Synopsis Lep. N. Amer., p. 240, 1862. 



Grote, New Chc(;k List N. Amer. Moths, p. 19, 1882. 

 Hp(frae«m»osmii)i(i<7« Walk., C.aii.Nat. andOeoI., vi,p. 37, 1861. ^., ,, , i t> , ^ 



Sta>,ropJrlrrctesLs, Walk.,' Cat. Lep. Het. Brit. Mus., xxxi.. p. 416, 1865. (Fule Grote and Rob.) 

 Cecrita bmudatn Druee, Biol. Ceutr. Amer. Het., i, p. 234, May, 1S87. 

 Cecrila ohllqua Druce, Biol. Ceutr. Amer. Het., i, p. 234, May, 188/. 

 Cea-ita viridescens Druce, Biol. Centr. Amer. Heterocera. i, p. 234, May, lb8, . 

 Lochmwus cinereu» Pack., Fifth Kep. U. S. Ent, Comm. on Forest Insects, p. 308, 1890. 

 Heterocampa hiundata Smith, List Lep. Bor. Amer., p. 31, 1891. 



Kirby, Syn. Cat. Lep. Het., i, p, 564, 1892. 

 CecnM h/HHrfn^aDyar, Ent. Ne^s.,iv. p. 34, Jan., 1893, „„,,„„, , ^v Vnt Sne iv n 



Neum. and Dy.^r, Trans. Amer, Ent, Soc. xxi. p 206. 1894; .lourn. N. \ . Ent. Soc., iv. p. 

 117, Sept., 1894, 



Larva. 

 (PI. XXXJI, tigs. 1, Xa-ld; 2, 2a, 26, 3, 3a, 36, 4.) 



racl-ard. Fifth Report U. S, Ent, Comm. on Forest Insects, p. 398. 1890. (Larva not <J--"^-;-) 



Proc, Best. Soe, Nat, Hist., xxiv, p, .543, 1890, tig. 2. (Erroneously referred to H gutln ,tla.) 



Dyar, Ent, Amer,, vi, p. 209, 1890. (By error .as Heterocampa subrotata.) (Lite History.) 

 Moth -Five $ and six 2 . Anteunte of <? well pectinated on the basal two-thirds, filiform at 

 the end; the body and wings ash gray, often greenish ash, the w.ngs more or '^-^J^^^'^ 

 in tint Head ash-gray, sometimes greenish on top, ashen in front; palpi wide, bushy, ashen 

 black on the sides; tlJl Joint thick, distinct, shorter than in ,««m«a. Thorax ashen, greemsh 

 on the sides at the insertion of the wi.tgs, sometimes entirely ohve greenish, except behind 

 insertion of ' the fore wings; on front edge of the thorax a dark brown transverse stripe; a 

 more distinct transverse ^I rip^bebind, and the hiader^dges^theje gula3 dusky; between the 



^:;^n^„. (Walk.) is simply the'^^al^^T^^i'^ • S as Mr. A. E. Butler kindly 'f'^^^^;:^^. 

 previously been determined by Mr. Grote. It is mentioned 1 ,v Mr. Druce, under the nan.e ^^^f^^^^^ 

 •'I d.>not agree with Messrs. Grote and Robinson in regardmg this insect as synonymous with C. (Hte,ou,mpa) 



'""'"Hdardaula Druce, Biologia Centrali-Amerieana, p. 237. fiom Jalapa, Mexico, appears by the figure to be very 

 near H, /*(»Hi/(i/«, and m.ay prove to bo a variety of it. ... ti,„ o ..r ff l.nnidata 



n. alcCur Druee, (l,c„p 238) also, judging by the colored figure, seems to be very near the 9 ot H data. 



rather than luilrerea G. and R. 



