HIPPOTION. 421 



<$. Tenth tergite (fig. 105 E) stout, sinuate, sternite triangular, 

 narrowed to a point, apex curved upwards, almost hooked. 

 Process of harpe (fig. 105 F) short, rounded, dorsal edge 

 clothed with long scales. Penis-sheath (fig. 105 G) : a curved 

 row of teeth on the left side and a few subapical teeth on the 

 right, no process. . 



$. Vaginal plate : anterior and lateral edges of aperture 

 somewhat raised to a ridge, which gradually fades away. 



Hob. E. Himalayas, S. India and Burma ; also occurs in 

 Malaya and the Philippines. We have bred the species in 

 S. India and the E. Himalayas (Khasi Hills). It is rare in 

 areas with a heavy rainfall, but fairly common in dry areas, 

 and is sometimes very abundant locally. 



Larva : — 



Final instar. Shape as in others of the genus ; horn very 

 short, straight, stout at base and tapering sharply to a point. 

 Surface of body smooth and dull. Head glaucous-green ; 

 basal segment of antenna pale green, other segments pink. 

 Body grass-green ; dorsum of 6 to 11 marked with short, 

 narrow, darker stripes on each secondary ring ; on 5 a large 

 oval, dorso-lateral ocellus, the oval pupil pale green above 

 shading to dark green below, edged broadly with yellow and 

 narrowly with black ; an ocellus on 6 about two -thirds as long 

 and as broad as that on 5, pupil yellow above with a dark green 

 spot on the upper edge, green below, the whole edged narrowly 

 with dark green ; a similarly coloured but still smaller ocellus 

 on 7, and on 8 to 11 the dark green spot only remains ; an 

 obscure yellowish dorso-lateral stripe from behind the ocellus 

 on 6 to base of horn ; an indication of a similar supra-spiracular 

 stripe. Horn yelloAv, the extreme tip purplish ; legs pinkish ; 

 venter pale green. Spiracles yellowish-green, the central 

 slit and rim brown. Length 60 mm. ; breadth 9 mm. ; 

 horn 2 mm. 



Pupa. — Slender in build ; tongue-sheath prominent, but not 

 projecting nearly as far in front of the head as in rafflesi, 

 semicircular in side-view, dorsal outline of abdomen straight 

 or slightly concave on median segments, that of thorax bending 

 sharply downwards to head. Surface moderately shining and 

 smooth, covered with extremely minute hairs. Spiracle of 2 

 covered by a small lobe projecting from the front margin of 3 ; 

 remaining spiracles oval, flush. Cremaster triangular, minutely 

 bifid at tip, tip bent towards venter. Colour : head, tongue- 

 sheath and wing-case pale pinkish -brown, wing-case whitish 

 laterally ; a black smudge on tongue-sheath below eye ; head 

 sparsely dotted black ; abdomen bone-colour, whitish laterally, 

 minutely dotted with black ; a large, black dorso-lateral dot 

 on each segment ; a darker body- colour dorsal stripe ; an 

 interrupted, fuscous, ventro -lateral stripe ; spiracles black 



