RARE AND LITTLE KNOWN SPHINGIDJL. 747 



Larva pink on the dorsal surface, a sub-dorsal cream coloured stripe and a 

 yellow lateral stripe from the head to the horn, pinkish underneath. There are 

 three dark lateral Unes from the head to the horn which is bright yellow. 

 Head pink on top with a green and white streak on guise. Anal segment 

 greenish. Legs and claspers pink with dark brown tips. Spiracles pink 

 bordered with brown. 



Very slothful in its movements. 



Length. — 60 mm. 



Time of appearance. — September and October. 



Food-plants. — Bamboo. 



Pupa. — not seen. 



Length. — 



Time of pupation. — October. 



Situation. — Probably subterranean. 



Genus. — Cypa. Type : decolor. (Walker). 



Smerinthus, Walker (non-Latreille, 1802). List. Lep. Ins. B. M., VIII, p. 255 

 (1856). 



Cypa, id., 1. c. XXXI, p. 41 (1864), Rothschild, Nov. Zool., IX (Suppl.), p. 

 297, n. LXXV and p. 850, n. LXXVI (1903). 



Range. — North India to Ceylon and Burma, Siam and New Guinea. 



Cypa decolor (Walker). 



Smerinthus decolor, Walker, I.e. VIII, p. 255, n. 19 (1856). 

 Cypa decolor, Rothschild, Nov. Zool., IX (Suppl.), p. 298, n. 253, and p. 850, 

 n. 257 (1903). 



Distribution. — North India to Ceylon and Tenasserim ; New Guinea. 

 Three sub-species (Roths.). 



a. Cypa decolok decolor. 



Cyim decolor, Hamps, in Blanf., Fauna Brit. Ind. Moths, I, p. 71, n. 94, 

 f. 43, {$), (1892) ; Dudgeon, Journ., Bombay Nat. Hist. Soc, XI, p. 407, no. 

 94(1898); Rothschild, I.e. (1903); {a (/), decolor). 



Habitat. — North India to Shan States, thence to South Burma ; apparently 

 confined to mountainous districts. 



Localities. — Sikkim ; Shan States, Pauhgbyin, Upper Chindwin District. 

 Tavoy, Burma. 



Elevation. — (Vertical range) up to 4,500 feet. 



Time of appearance. — May to September. 



Occurrence. — Rare. 



Expanse. — $, 50 mm. $. 62 mm. 



Larva bright green with a pale yellow dorsal longitudinal streak from the 

 head to the horn, seven obUque narrow waved pale yellow side stripes from the 

 4th segment to the horn. Head triangular, green, with a pale yellow dorsal 

 streak. Anal flap bordered with yellow. Horn, legs and claspers pale pink. 

 Spiracles white with bright red centres. Horn covered with small tubercles, 

 short and curved anal, bifid at the extreme tip. 



Length. — 75 mm. 



Time of appearance. — May and June. 



Food-plants. — Dipterocarp us tuberculatus. 



Pupa — Not described. 



Length. — 



Time of pupation. — June and July. 



Situation. — Subterranean at or near roots of food-plant. 

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