418 SPHINGID^]. 



Swinhoe, 1888. p. 118 (Karachi); Hampson, 1892, p. 87; 

 Dudgeon, 1898, p. 410 (Sikkim & "Bhutan, up to 5,000 ft.) ; 

 Nurse, 1899, p. 513 (Cutch). 

 Hippotion celerio, Moore, 1882, p. 16, pi. lxxxiv, fig. 4 ; Roths. & 

 Jord., 1903, p. 751 ; Jordan, 1912, p. 258, t. 42 b ; Mell, 1922, 

 p. 280, pi. ix, figs. 17, 18 (larva), pi. xix, figs. 1, 2 (pupa) ; Seitz, 

 1929, p. 564 ; Scott, 1931, pi. hi, fig. 5 (larva). 



Imago. — <£$. Head and thorax brown, with a white lateral 

 stripe ; thorax wih some obscure pale streaks ; abdomen 

 brown with a broken white dorsal stripe and a white dorso- 

 lateral spot on each segment. Fore wing paler brown ; 

 a silvery band from apex to inner margin, with a median 

 narrow dark line all along it ; behind this some ochreous and 

 pale brown lines ; a whitish submarginal line ; veins beyond 

 cell streaked with silvery and black ; a black discoidal dot, 

 with a silvery streak from, it to base of wing. Hind wing : 

 base and anal angle bright pink, disc blackish ; outer area 

 ochreous-brown with a black submarginal band and the veins 

 between this and the cell black. Expanse : <£$, 60-80 mm. 



JgP^ 



Fig. 107. — Hippotion celerio (Linn.). 



(J. Sexual armature similar to that of velox. Tenth seg- 

 ment shorter, stouter, the sternite much more abruptly 

 narrowed into a sharp hook. Harpe much stouter, almost 

 straight, compressed upperside hollowed out apically, with 

 the edges raised. Penis-sheath with two rows of teeth as in 

 velox. 



$. Vaginal aperture ovate, the edges raised to a low horse- 

 shoe-shaped ridge ; no processes. 



Hob. W. and E. Himalayas and S. India, and throughout 

 the world except in the far North and New Zealand. It occurs 

 rarely in England, where it is known as the Silver-striped 

 Hawk-Moth. We have bred the species in many localities in 

 India, where it is very common and widely spread, though 

 less so in forest areas with heavy rainfall than in open country. 



Larva : — 



1st instar. Pale yellowish -green with a long black horn. 

 2nd instar. Head and body green ; a white ocellus, ringed with 



