376 THE LEPIDOPTERA OF CEYLON. 



slender, bent iu the middle, radial from near longer end ; two upper medians from 

 end of tlie cell, lower at one-third ; a straight submedian and internal vein. Body 

 moderately slender ; palpi obliquely ascending, reaching above the vertex, slender ; 

 antennjB slender, submoniliform, with a few fine short lashes ; legs rather slender, 

 squamous, spurs long, unequal. 



RHANGENA ROSEIPENNIS (Plate 184, Fig. 12). 



Forewing pale purplish-red, darkest along the veins, with a marginal row of 

 blackish points : hindwing brownish-white. Thorax, head, palpi, and forelegs 

 purplish-red ; abdomen brownish-white ; tip and the tarsi brownish. 



E.xpanse 1 inch. 



Family CRAMBIDiE. 



Wings folded round the body when at rest : median vein of hindwing above 

 with a basal fringe. Antennae simple, finely ciliated, rarely pectinated in the male ; 

 labial palpi generally long, porrected, forming a long beak in front of the head, 

 partially covered by the maxillary palpi, sometimes short and ascending. 



Larva with sixteen legs; whitish or dull coloured, witli large shining spots. 

 Feeds in silken galleries, amongst moss in grassy places, or in the stems of aquatic 

 plants. 



Genus LORYMA. 

 Loryma, Walker, Catal. Lep. Ilet. B. M. xix. p. 890 (1859). 

 Tauba, Walker, id. xxxv. p. 1767 (1866). 



Male. Forewing elongate, narrow, costa arched at tlie end, apex rounded, 

 exterior margin oblique ; cell two-thirds the length ; first subcostal emitted at one- 

 fourth before end of the cell, second approximate, third from end, trifid ; discocellular 

 slender, concave, upper radial from upper end, lower radial and upper median on a 

 footstalk at one-third beyond the cell ; middle median from end of the cell, lower at 

 nearly one-fifth ; submedian nearly straight : hindwing rather long, triangular, apex 

 rounded ; cell nearly one-third the length at the upper end and nearly two-thirds at 

 lower end; two subcostals from end of the cell, upper joined to costal at the base; 

 discocellular bent very obliquely outward from near its upper end ; radial and upper 

 median on a footstalk at one-third beyond the cell ; middle median from end of the 

 cell, lower at one-third ; submedian and two internal veins widely separated. Body 

 moderately stout, anal segments set with short hairy scales ; labial palpi curved 

 upward, second joint pilose beneath and in front, the hairs in front long and pro- 

 jected forward, third joint slender, lanceolate, nearly as long as the second; maxillary 



