200 



THE LEPinOPTERA OF CEYLON. 



of which aie bordered by a white line, the inner white lines joining together on the 

 subcostal vein ; below the cell is a smaller similar-bordered semicircular black spot ; 

 some white-bordered ferruginous-brown short streaks on the end of the costa, a spot 

 immediately below the apex, and a marginal row of lunules with white inner borders : 

 hiudwing with a transverse discal waved duplex black line, two whitisli streaks 

 crossing the cell ; the outer border clouded with black, followed by a marginal row 

 of whitish-bordered black lunules ; interciliary edge of both wings ferruginous-brown 

 and longitudinally traversed by waved black lines. Body, palpi, and legs greyish- 

 lirown ; forelegs with darker brown bands. 

 Expanse S ^^ inch. 



Family THERMESIID^. 



Wings not angular or notched, rarely denticulated ; antennae with the setas more 

 or less conspicuous in the male ; those of the female extremely minute. Body smooth, 

 more or less slender ; frontal tuft extending between the eyes and acuminated ; palpi 

 long, slender, ascending, advanced in front, third joint generally long and linear. 

 Larva with IG legs ; or semilooped and with 14 legs. Pupa in a sHght shell. 



Genus PLATYJA. 



Platijja, lliibuer, Verz. bek. Schmett. p. 268 (1818-25). 



Sympis (t;i'oiip ii.), Guc'iiee, Noct. iii. p. 343. 



Sympis (part), Walker, Catal. Lep. Het. B. M. xv. p. 1548. 



Cotusa, Walker, id. xv. p. 1551 (1858). 



Ginea, Walker, id. xv. p. 1637 (1858). 



Male. Forewing broad, much arched at the end, apex acute, falcate, exterior 

 margin oblique, even, posterior angle very convex ; cell extending to half the length ; 

 first subcostal emitted at one-half before end of the cell, second at one-fifth, trifid, 

 third at one-fifth from base of second and fourth at two-thirds from base of third, 

 fifth from end of cell and slightly touching third near its base ; discocellular concave, 

 radials from upper end and close to lower end ; middle median from angle close to 

 end of the cell, lower at nearly one-third; submedian slightly bent near the base: 

 hindwing short, very broad, costa prolonged, apex bluntly angular, exterior margin 

 very oblique, even, angulated at end of submedian vein, abdominal margin short; 

 cell one-third the length, broad; two subcostals from the end; discocellular out- 

 wardly oblique, concave, radial from close to lower end ; middle median from angle 

 very close to end of cell, lower at about one-fourth ; submedian and internal vein 

 curved. Body stout, thorax laxly clothed ; palpi ascending, second joint reaching 

 the vertex, thick, laxly squamose, third joint one-fourth length of second ; antennas 

 long, bipectinated, the branches finely ciHated ; legs stout, fore femora and tibiae 



