MACROGLOSSUM. 373 



common from May to September in forest areas at an elevation 

 of about 5,000 feet, probably the most common species of 

 Macroglossum . 



Egg. — Broadly ovoid, smooth and shining, colour green. 



Larva : — 



1st instar. Yellow when first hatched, green after feeding, 

 horn black. 2nd instar. Green, horn black. 3rd instar. 

 Green, dorsum dotted with white ; a whitish dorso-lateral 

 stripe from segment 2 to horn. 4th instar. Head green with 

 a darker green subdorsal stripe ; body green dotted with 

 yellow ; a darker green dorsal stripe ; a whitish dorso-lateral 

 stripe ; seven dark green oblique stripes ; horn tuber culate, 

 black with yellow tip. 



5th instar. Head with surface moderately shining. Horn 

 long, straight, with dull and smooth surface. Body dull and 

 smooth except for a transverse row of small tubercles along 

 each secondary ring in the dorsal area. 



Coloration. — Head green with a whitish subdorsal stripe, 

 Body green, dorsal tubercles white ; a dark green dorsal stripe, 

 flanked on each side by a white stripe, from segment 4 to 

 base of horn ; a yellow dorso-lateral stripe from segment 2 

 to base of horn ; seven dark green oblique stripes ; horn 

 purple, tip yellow ; legs and prolegs reddish ; anal flap 

 edged with yellow. Spiracles reddish. 



There is also a dark-coloured form in which the head is 

 purple, subdorsal stripes paler purple ; body brown, the 

 dorsal tubercles purple ; the dorso-lateral yellow stripe broken 

 or wanting on segments 5 to 11 ; oblique stripes dark brown 

 dotted with purple ; horn dark purple, tip yellow ; legs 

 orange ; prolegs steel-blue, claspers purple. Spiracles yellow. 

 Length 50 mm. ; breadth 6 mm. 



Pupa. — Shape and surface as in other macroglossine pupae. 

 Colour of head and abdomen yellow, thorax greenish. Spiracles 

 black. 



Habits. — Food-plants : Hedyotis uncinella Hook. & Arn. 

 and H. scandens Roxb., family Rubiaceae. The moth is 

 frequently on the wing in the morning and evening. 



127. Macroglossum insipida insipida (Butl.). (Fig. 90 Q, R, 

 genitalia; fig. 97, imago ; PI. XI, fig. 15, larva, fig. 16, 

 pupa). 



Macroglossa insipida, Butler, 1875, p. 242 (Ceylon) ; Moore, 

 1882, p. 30, pi. xcii, figs. 3, 3 a, 3 b (1., p., i.) ; Hampson, 1892, 

 p. 117 ; Dudgeon, 1898, p. 418 (larva and pupa descr.). 



Macroglossum insipida insipida, Roths. & Jord., 1903, p. 642, 

 pi. iii, fig. 10 (<?) ; Seitz, 1929, p. 558, t. 65 a. 



Imago. — <$Q. Very close to troglodytus, with which it agrees 



