332 SPHINGID^. 



$. Distal edge of vaginal plate very slightly raised ; orifice 

 proximal. 



Hab. Throughout India and Burma, in China, Malaya and 

 the Philippines. We have bred the species in the E. Himalayas 

 and S. India, Fellowes-Manson in Burma, and Mell in S. China. 

 It is common in the E. Himalayas during the monsoon, but 

 in S. India is more common during the dry months. 



Egg. — Pale yellowish -green when first laid ; as the young 

 larva develops two zones of red appear, representing the 

 dorso-lateral stripes. Length 14 mm. ; breadth 1*2 mm. 



Larva : — 



1st instar. Head rounded- quadrate, body cylindrical and 

 of the same diameter as head ; horn thick at base, tip truncate 

 with a small setiferous tubercle at each corner of the truncation ; 

 the main hairs bifid on head and trifid on body ; hair-like 

 tubercles on horn. Head and bodj^ pale honey-yellow ; 

 a broad, red, dorso-lateral stripe from segment 3 to base of 

 horn ; soon after hatching this stripe becomes violet and the 

 dorsum greyish ; horn black. 2nd instar. Main hairs now 

 simple ; head greenish with a dark stripe separating face 

 from cheek ; body pale green, dorsum greyish ; a narrow, 

 dark, dorsal stripe expanding into a circular patch at segment 

 margins ; a pale dorso-lateral stripe with a purplish suffusion 

 below it on each segment. 3rd instar. Head brown, body 

 grey marbled with brown ; paler coloured diagonal stripes 

 on segments 5 to 11 ; a pale orange triangular patch below 

 each oblique stripe except on 8 and 9. 4:th instar. Body 

 tapering slightly from segment 5 frontad ; horn tapering 

 evenly to a truncate tip ; head greyish-white with a white 

 stripe separating face from cheek ; body greyish-brown with 

 a pink tinge ; a white dorso-lateral stripe on 2 to 4 ; whitish 

 oblique stripes on 5 to 11, edged above with fuscous, and 

 with orange patches below them as in the 3rd instar ; horn 

 black above, yellow below, with black tubercles. 



5th instar. Head nearly oval in shape ; true clypeus 

 elongate triangular, one -half length of head, a small shining 

 tubercle at each basal angle ; apex of false clypeus narrowly 

 rounded and reaching to three-quarters the length of head ; 

 labrum one -third length of clypeus and twice as broad as 

 long, hind margin curved strongly backwards, front margin 

 straight ; ligula kidney-shaped, longer than but of the same 

 width as labrum ; eyes with 2, 3, 4 and 6 in a nearly straight 

 line, the line joining 1 and 2 forming an angle of about 120° 

 with that line ; 1 and 2 and 4 and 6 over one eye -diameter 

 apart, 2 and 3 and 3 and 4 about one diameter apart, 5 about 

 one diameter from 4 and more than one diameter from 6. 

 Surface of head dull, covered with minute decumbent hairs. 

 Body tapering slightly from segment 5 frontad ; surface dull, 



