456 SPHINGIDJE. 



Hob. E. Himalayas (Sylhet, Assam ; Khasi Hills), S. India, 

 Ceylon and Burma to Hong-Kong. We have bred the species 

 in S. India and Burma, where it is fairly common in wooded 

 hills with a heavy rainfall. 



Egg. — Similar to others of the genus. 



Larva : — 



1st instar. Head and body yellowish -green, dorsum of seg- 

 ments 2 to 4 dark green ; horn long, thick at base, tapering 

 gently to a strongly bifid tip, the two arms thick at base and 

 shortly conical, shining black with small black tubercles. 

 Towards the end of this instar the whole body pale grass- 

 green ; dorso-lateral ocelli on 5 to 11, that on 5 large, round, 

 white with a crescent of black below ; ocelli decreasing in size 



Fig. 118. — Theretra pallicosta (Walk.), $. 



backwards, the white reduced in size in each successive ocellus 

 till it has disappeared altogether on that of 11. 2nd instar. 

 Head orange, and an orange band along front margin of 2, 

 rest of body yellowish -green ; ocellus on 5 nearly round, 

 pupil enamel-white with a narrow crescent of purple below, 

 the whole edged fairly broadly above and below, narrowly 

 at sides, with black ; remaining ocelli smaller, longitudinally 

 oval, colour the same as that on 5, but the white pupil oval and 

 oblique. 3rd instar. Segments 4 and 5 slightly tumid ; head 

 grass-green ; body bluish-green dotted obscurely with yellow 

 on 6 to 12 ; a narrow, obscure, dark bluish-green dorsal 

 stripe ; a faint yellowish subdorsal stripe on 3 and 4 ; a large 

 round ocellus on 5, its pupil sap-green with broad yellow iris 

 edged narrowly with dark green ; the pupil bears a longitudinal 

 oval marking of electric-blue edged narrowly with paler blue, 



