158 SPHINGIDiE. 



0. Eighth tergite rounded- truncate, the angles rounded. 

 Vaginal plate (fig. 32 B) not strongly chitinized, not scaled, 

 posterior part truncate, with the sides oblique ; edges of 

 orifice somewhat raised ; no processes. 



Hab. W. and E. Himalayas, S. India and Ceylon, also in 

 China, Malaya and the Philippines. We have bred the species 

 in S. India, where it is very common in some seasons. 



Egg. — Shortly oval in shape ; surface smooth and shining ; 

 colour pale yellow or yellowish- white. Length 1-6 mm. ; 

 breadth 1 mm. ; height 1 mm. 



Larva : — 



1st instar. Head round, without processes ; horn straight 

 and very short ; colour yellowish. 2nd instar. Head trian- 

 gular, with very short, blunt processes ; horn longer ; colour 

 green. 3rd instar. Horn about the same length, shorter in 

 proportion to the size of the body ; colour green. 4th instar. 

 Not recorded. 



5th instar. Head triangular, vertex rounded, without 

 processes, much higher than segment 2. Surface of the head 

 dull, covered with small tubercles. Body long and thin, 

 nearly cylindrical, surface dull : prolegs and claspers small. 

 Horn short, straight, thick at the base and tapering sharply 

 to a point. The secondary rings of the body clearly defmed, 

 each ring with a transverse row of small tubercles ; a dorso- 

 lateral stripe, formed of a larger pointed tubercle on each 

 ring, from the front margin of segment 2 to the base of the 

 horn. Horn, anal flap and claspers set with small tubercles. 



Coloration. — Head very pale green ; a rose-coloured 

 cheek-stripe, broad at the base of the antenna and narrowing 

 upwards to a point below the vertex ; the tubercles white. 

 Body grass-green or brick-red, the tubercles white ; the 

 dor so -lateral line of larger tubercles rising from a broad white 

 dorso-lateral stripe. Horn brick-red in both colour-forms, 

 with a white stripe from base to tip in continuation of the 

 dorso-lateral stripe ; the true legs rose-coloured in both forms ; 

 prolegs and claspers green in the green form, rose-coloured in 

 the brick-red form. Spiracles flush, oval, pale yellow, with 

 the central slit brown. Length 75 mm. ; breadth 7-5 mm. ; 

 the head 6-5 mm. high ; horn 5 mm. 



Pupa. — The shape as figured (PI. II, fig. 15), the head rather 

 small, dorsal line of thorax rising sharply ; tongue the same 

 length as fore leg, strongly narrowed distally ; antenna shorter 

 than fore leg ; the fore leg broad, the mid-leg narrow ; coxal 

 piece just visible. Surface smooth and shining ; legs and 

 veins of wings not prominent ; front margins of abdominal 

 segments minutely pitted ; ante-spiracular ridges on segments 9 

 and 10. Cremaster with the base broad, narrowing suddenly 



