APANTESIS. 407 



Arctia ntvadcnsU, var. sul phurica, Neum. Ent. Am. i. p. 93 (1885). 

 Arctia elongata. Stretch, Eiit. Am. i. p. 1U5 (1885); Kirby, C.it. Het. p. 270. 

 Arctia shastanenms, French, Can. Ent. xxi. pp. 35, 1G2 (ISSt)) ; Kirby, 

 Cat. Het. p. 267. 



S . Head black, with ochrcous-whito bands across frons and at 

 back ; thorax oehreous white, with black fasciae on tegula), patagia, 

 and vertex of thorax ; legs banded oehreous white and black ; 

 abdomen scarlet with dorsal series of black s{)ots, the terminal seg- 

 ment oehreous with black fascia, the ventral surface oehreous with 

 lateral and sublateral series of black spots. Eore wing black ; the 

 costa, a broad fascia in submcdian interspace, and the inner margin 

 oehreous white ; an oblique subbasal baud from costa to submediau 

 fascia; an antemcdial band; a medial band joined at vein 2 by a 

 jtostmedial band ; a ^-shaped band on terminal area connected at 

 three points with the postmedial band. Hind wing pink or scarlet 

 suffused with pink, sometimes with black discoidal lunule ; three or 

 four subterminal black spots, increasing in size towai'ds tornus, and 

 usually some marks on termcn between apex and vein 2.; cilia 

 yellow. 



Ab. 1. nevadensis. Thorax almost entirely black ; fore wing with 

 the bands narrower and whiter ; hind wing whitish tinged with 

 pale crimson. 



Ab. 2. ochracea. Hind wings yellow. 



Hub. U.S.A., llockj' Mountain region and west to Pacific, Colorado, 

 2 (S . Exp. 44 millim. 



Larva. Cocq. J. N. Y. Ent. Soc. vi. p. 250. 



Body black with a purplish tinge, ventral surface greyer ; a dull 

 white interrupted dorsal line ; warts pale grey ; hair black and 

 reddish, or black and yellowish, the red and yellow hair most 

 plentiful on middle of dorsal and on sublateral areas ; spiracles 

 yellowish brown ringed with black ; head black, yellowish between 

 lobes, at sides, base of clypeus, and a dot at base of antennae ; mouth- 

 parts marked with yellow. Food-plants, various low-growing plants, 

 as Malva horealis. 



*19G2. Apantesis cervinoides. 



Arctia cercinoides, Streck. Proc. Acad. I'liil. xxviii. p. 151 (1876) ; id. Rep. 

 Chief of Engineers, 1878, App. S.S. p. 18t)U, pi. 2. f. i ; Xu-by, Cat. Het. 

 p. 271. 



Black ; vertex of head and thorax white, the teguUt;, patagia, and 

 f horax with broad black stripes ; abdomen black, white at sides, 

 and with the segments broadly edged with white on ventral surface. 

 Fore wing brownish black ; a white submedian fascia ; the 1st band 

 entire or reduced to traces ; the anlcmcdinl, medial, and postmedial 

 bands present, the last straight and oblicjuo ; the subterminal band 

 oblique from costa to vein 5, then retracted to lower angle of cell, 

 bent outwards to near termcn at vein 2, and inwards to the sub- 

 median fascia ; cilia pale. Hind wing whitish with some fuscous 

 streaks at base, a discoidal spot and terminal band. 



