.03<) 8YNT0M1IM 



1171. Ctenucha virgiiiica. 



Sphinx virginica, Cliarp. in Ksjier*'* Exot. Schiuett., ii. Suppl. pi. 2. ff. 3, 4 

 (1830) ; .Stretch, Zvg. k Bomb. N. Am. i. p. 2.'), pi. i. f. 15 ; Kirhv , Cut. 

 Het. p. 170. 



Cfrnucha latreilliana, Kirby, Faun. Bor.-Am. iii. p. 305 (1837). 



Dark fuscous-brown ; head, thorax, and abdomen suffusod with 



x\>>^ 



Fig. ^%.— Ctenucha virffinica, c^. |. 



blue; base of palpi, vertex of head, neck, shoulders, and ba.se of 

 pata^'ia orange-yellow. Koro win^ sbot with blue at ba.se. Hind 

 winp blackish slightly shot with blue. Cilia of both wings while 

 at apex and towards tornus. 



I/ab. C.\N.\nA (Baniston); Nova Scotia (liedman); U.S.A., 

 Groto Coll., Zeller Coll. E,vp. 48-54 millim. 



Larva, Pack. Proc. E-«ox Inat. iv. no. 1. and Ann. N'.V. Arad. viii. p. 83. 



E(/'/. IIemisj»]n rical ; under niicrosrope seen to bo divided into 

 polygonal areas ; deep yellow in colour. 



Larva (adult, 18 millim.). Head light chestnut-red, blackish in 

 front; body densely hairy and comjdetely concealed when at rest 

 by the hair, which is of even length ; the hair overhanging head 

 and on sides black mixed with white ; the verticils on Ist and 2nd 

 somites white; the dorsal hair bright yellow; a series of nine 

 double dorsal medial tufts; the 1st pair slightly longer and directed 

 forwards, the hist pair backwards ; a broad irregular brown, some- 

 what scalloped, white subdorsal line ; the infra-spirucular line 

 narrow, wavy, and snow-white. Food-j)htnt^ Grasses. 



1 17l'. Ctenucha affinis. 



Cfnuirha offinis, Druoe, Biol. C«ntr.-Ani., Het. i. p. 83 (1884); id. ii. 

 pi. 73. f. 3. 



Head, thorax, and fore wing olive-black with a blui.-^h tinge; Ist 

 two joints of palpi, neck, and throat orange; abdomen black shot 

 with blue. Fore wing with the cilia white at apex ; a wedge- 

 shaped white patch on terminal area below vein if. Hind wing 

 black shot with brilliant blue ; cilia white at tips. 



Hah. Guatemala ( Champion)^ 2 cf , 2 $ , type, Godman-Salvin Coll. 

 Ex2). ^^4 millim. 



