288 SPHINGIDvE. 



89. Acosmerycoides leucocraspis leucocraspis (Hamps.). (Fig. 

 73, ?). 



Rhagastis leucocraspis, Hampson, 1910, p. 88, pi. F, fig. 25 (Upper 



Assam ; Dibrugarh). 

 Acosmerycoides leucocraspis leucocraspis, Mell, 1922, p. 220 ; Seitz, 



1929, p. 550. 



Imago. — $. Head grey ; palpus whitish laterally ; tegula 

 and patagium chocolate-brown, with a greyish-white stripe on 

 outer edge ; vertex of thorax grey- brown ; pectus and legs 

 pale grey tinged with rufous ; abdomen with the first three 

 segments chocolate-brown, rest of dorsum grejdsh tinged with 

 fulvous, sides whitish, ventral surface tinged with rufous. 

 Fore wing purplish-grey, suffused in parts with rufous ; a sub- 

 basal rufous shade on costal area, base of inner margin choco- 

 late-brown ; two obliquely curved antemedian brown lines, 

 widely separated at costa, approximated at vein SM 2 , where 

 they terminate ; an oblique rufous shade from costa a 



Fig. 73. — -Acosmerycoides leucocraspis leucocraspis (Hamps.), ?. 



antemedian line to median line at vein M 1 ; median line 

 double, waved, obliquely curved from costa to vein 2, then 

 slightlv incurved ; postmedian line obliquely curved, dentate, 

 produced at veins R 1 and M 1 to points and with slight fulvous 

 marks on it ; a triangular chocolate-brown patch on costa 

 just before apex, the faint waved subterminal line arising from 

 it ; the apex slightly tinged with white ; cilia dark brown. 

 Hind wing black- brown, the inner margin, terminal area in 

 submedian interspace and termen towards tornus whitish ; 

 cilia grey with a brown line through them. Underside of 

 fore wing reddish-fulvous, the disc fuscous, a fuscous striga 

 from costa towards apex, subterminal line oblique from costa 

 near apex to below SC 5 , then dentate, the area beyond it grey ; 

 hind wing reddish-fulvous, the inner area and termen greyish, 

 an indistinct curved minutely waved postmedian line. 

 Expanse : ?, 96 mm. 



Hob. E. Himalayas (Dibrugarh, Assam). Very rare; 

 early stages unknown. 



