THERETRA. 



449 



Xylophanes oldenlandise, Moore, 1882, p. 17, pi. lxxxv, figs. 1, 



la (1., p., i.). 

 Theretra oldenlandise, Dudgeon, 1898, p. 412 (Sikkim, 1,800 ft. ; 



Bhutan, 2,500-3,000 ft.). 

 Theretra oldenlandise oldenlandise, Roths. & Jord., 1903, p. 782 ; 



Jordan, 1912, p. 259, t. 42 b ; Mel], 1922, p. 308, pi. xi, figs. 6-11 



(figs. 12-16), pi. xiv, figs. 14-16, pi. xix, figs. 17, 18 (pupa), 



pi. xxxii, fig. 1 (larva) ; Seitz, 1929, p. 567. 

 Chserocampa puellaris, Butler, 1875, p. 623 (Rawul Pindi). 



Imago. — $$. Head and thorax brown ; a pale lateral 

 stripe from palpus to end of thorax ; a broad, pale, irregular 

 dorsal band and a white dorso-lateral streak on thorax ; 

 abdomen greyish-brown with a double silvery-white dorsal 

 stripe, the two stripes sometimes partly fused together ;. 

 an ochraceous lateral stripe. Fore wing greyish-brown ; 

 lines 1, 2 and 3 forming a dark brown discal band, line 4 

 distinct, interspace between 4 and 5 not quite so pale as that 

 between 3 and 4, which is more or less silvery ; line 5 heavy, 

 6 thin but distinct. Hind wing dusky with a pale submarginal 

 band not reaching apex. Expanse : $ 54-74 mm., £ 80 mm. 



Hab. W. and E. Himalayas, S. India, Ceylon and Burma 

 to Japan and New Guinea. We have bred the subspecies in 

 many localities. It is common and widely distributed. 



Egg. — Broadly ovoid, surface smooth and shining, colour 

 green. 



Larva : — 



1st instar. Pale yellowish-green, with a short straight black 

 horn. 2nd instar. Head yellowish-green, body dark green ; 

 ocelli on segments 5 to 11 black above, yellow below ; horn short, 

 black with base yellow. 3rd instar. Head and body slate- 

 colour ; a dorso-lateral line of yellow spots on 3 and 4 on 

 a background of deep black ; ocelli with a round yellow pupil 

 edged broadly with black, decreasing in size backwards ; 

 horn black, a yellow spot on each side of its base. Uh instar. 

 Head slate-colour, body black ; a saddle-shaped shield on 

 segment 2 slaty-black, with a pale yellow dorso-lateral spot 

 on the front edge ; spots on 3 and 4 as in 3rd instar ; ocelli 

 on 5 and 6 with a round black spot in the middle of the yellow, 

 on 7 to 11 of a darker shade of yellow ; horn long, thin, straight, 

 black with a white tip and a yellow ring near the base. 



5th instar. Head small, dull and smooth. Body dull and 

 smooth, tapering first gently then more sharply forwards from 

 8 and gently backwards from 8 ; segments 4 and 5 not much 

 swollen ; horn straight, of medium length, thin, nearly cylin- 

 drical, tip truncate with a minute, low tubercle at each lateral 

 angle ; surface shining, covered with very minute tubercles. 



Coloration. — Head black ; labrum canary -yellow ; ligula 

 black ; basal segment of antenna canary-yellow, other segments 

 whitish ; mandible black. Body velvety- blackish on segments 



vol. v. 2g 



