88 THE LEPIDOPTERA OF CEYLON. 



Expanse Irs- inch. 

 Pusalawe. Hills about 3000 feet. Forests. September " (B'ttic^i'soj?). 



(( 



"Kandy" {Wade). 



Genus NACADUBA. 



Forewing triangular ; costa regularly arched, exterior margin slightly convex, 

 posterior margin straight; costal vein extending to half length of the margin, bent 

 upward to costa near its end ; first subcostal branch emitted at one-third before end 

 of the cell, short, curved upward and touching the costal, second branch at one- 

 fourth, third close to end of the cell, fourth at beyond one-half from third and 

 terminating at the apex, fifth from end of the cell ; discocellulars slightly concave, 

 radial from their middle ; cell broad, long, extending more than half the wing ; 

 middle median from angle before end of the cell, lower branch at one-third before the 

 end; submedian straight : hindwing bluntly oval, furnished with a single slender tail; 

 costal vein arched at the base ; first subcostal curved upward, emitted at one-sixth 

 before end of the cell ; discocellulars slightly oblique, radial from their middle ; cell 

 broad ; two upper median branches from end of the cell, lower at nearly one-half 

 before the end ; submedian and internal vein straight. Body moderate, rather short ; 

 palpi porrect, second joint extending more than half beyond the head, laxly pilose 

 beneath; legs slender; antennal club grooved, pointed. 



Type, N. prominens. 



NACADUBA PROMINENS (Plate 37, Fig. 3, 3 a, b, c). 

 Lampides Prominens, Moore, Annals of Natural History, 1877, p. 341. 



Male. Upperside greyish violet-blue, with a very slender indistinct brown 

 marginal line. Female violet-black, the lower basal and discal areas pale smalt-blue : 

 hindwing with the costal border broadly black, and a marginal row of white-bordered, 

 black spots enclosed by an inner white lunular line. Underside pale greyish-brown : 

 forewing crossed by two subbasal, two short discocellular, and two discal prominent 

 dark-bordered white slightly waved bands, and two marginal blackish-interspaced 

 lunular bands, the two discal bands broken and shifted inward at the middle median 

 vein : hindwing crossed by six broken white bands and two marginal blackish- 

 interspaced sinuous bands ; a large subanal and small anal black spot, both speckled 

 with metallic green scales and ochreous bordered. 



Expanse l-n^ to lyV inch. 



Larva onisciform ; pale rose colour, with dorsal and lateral rows of brighter 

 spots. Pupa somewhat cylindrical, head blunt ; reddish, with minute black spots. 

 " Feeds on the very young leaves of Vateria indica " (Thuiaites). 



