302 SPHINGID^. 



Larvse. 



A dark brown dorsal stripe from segment 2 



to base of horn, narrow on 2 and 3, broad 



to base of horn ; spiracles brown, central [Gehl., p. 310. 



slit white P. metallica anfracta 



Dorsal stripe brown, narrow on 3 and 4, 



then broken on each segment : spiracles 



pale yellow with brown suffusion across [& Jord., p. 302. 



middle P. busiris atima Roths. 



Dorsal stripe dark green, narrow, on seg- 

 ments 2 to 5 only ; spiracles black edged [Walk., p. 314. 



broadly with white P. mydon my don 



Pupse. 



Cremaster ending in a bifid hooked shaft, 



with three similar shafts on each side of [& Jord., p. 303. 



cremaster P. busiris atima Roths. 



Cremaster ending in a shaft with two hooks [Gehl., p. 311. 



at its tip and two spines on each side of it . P. metallica anjracta 

 Cremaster ending in a bifid shaft, each arm 



with two hooks ; two shorter shafts, each 



with a single hook, on each side of the [Walk., p. 315. 



cremaster P. mydon mydon 



96 a. Panacra busiris atima Roths. & Jord. (PI. IV, fig. 6, 

 larva, fig. 7, pupa ; PI. XIV, fig. 7, larva). 



Panacra busiris atima, Roths. & Jord., 1915, p. 292 (S. India ; 

 Karwar, $) ; Seitz, 1929, p. 572. 



Imago. — $$. Very similar to P. b. busiris, but upperside 

 less green. Fore wing with the median area narrower, the 

 two lines bordering on the latter more separated. Underside 

 of a brighter and more even rusty-yellow. Expanse : £ 56- 

 66 mm., $ 64-70 mm. 



Hob. S. India, where we have bred the subspecies, the 

 larvse being found in dense, damp, evergreen jungles in the 

 Western Ghats. 



Egg. — Shortly ovoid ; surface shining and smooth to the 

 naked eye, but under the microscope seen to be very super- 

 ficially sculptured like the skin of an orange ; colour pale 

 brownish-yellow, one side splashed with blood-red. Length 

 2-2 mm. ; breadth 2 mm 



Larva : — 



Final instar. Head small, semi-elliptical in shape, vertex 

 flattened ; true clypeus about one -half length of head, basal 

 angles broadly rounded, apex acute ; false clypeus with apex 

 broadly rounded, reaching to two -thirds length of head ; 

 labrum about one -half length of true clypeus ; ligula longer 

 than labrum, semicircular, with a very deep sinus ; eyes with 

 1 to 4 equidistant in a sharp curve, 6 in line with 3 and 4 and 

 twice as far from 4 as 4 is from 3 ; 5 forming an equilateral 

 triangle with 4 and 6. Surface of head slightly shining, covered 



