268 THE LEPIDOPTERA OF CEYLON. 



MICROSCA TRIMERONALIS. 



rymUs TrimcronaUs, Walker, Catal. Lcp. Het. B. M. xix. p. 916 (1859). 



Yellowisli-oclireous. Botli wings covered with numerous brownisTi-oclireous 



continuous strigee ; marginal line brown. Body yellowish-ochreous ; front of thorax, 



head, palpi, and legs brownish-ochreous ; outer spurs and bands on tarsi blackish. 



Expanse tV inch. 



Genus SYLLYTHRIA. 



Syllijthria, Hiibner, Verz. bek. Schmett, p. 349 (1825-7). 



Ostrinis, Hiibner, id. p. 360 (1825-7). 



Ehodaria, Guenee, Delt. et Pyr. p. 168 (1854); Diiponcbel, Catal. Lep. Eur. p. 199; Walker, Catal. 



Lep. Het. B. M. xvii. p. 312. 

 Bottjs (pan), Lederer, Pyr. Wien. Ent. Monat. vii. p. 364 (1863). 



Wings small : forewing rather short and broad, triangular ; cell very long, 

 extending fully two-thirds the length ; first subcostal emitted at one-fourth, second 

 and third from angles close to end, third bifid, fifth from end of the cell ; disco- 

 cellular concave, radials from near the ends ; middle median from angle near 

 end of cell, lower at one-third ; submedian straight : hindwing comparatively long, 

 exterior margin slightly convex; cell two-fifths the length at its upper end and 

 three-fifths at its lower end; subcostals from end of cell, upper branch partly 

 joined to the costal; discocellular very oblique, bent inward near upper end, radial 

 and two upper medians approximate at their base at end of the cell, lower median at 

 one-third. Body slender ; labial palpi porrect, projecting more than half beyond the 

 eyes, compressed, broad, laxly clothed with coarse scales, third joint short, acute ; 

 maxillary palpi ascending, slender, pubescent ; antennee minutely ciliated ; legs 

 slender, bare, spurs moderately long. 



Type, S. sanguinalis, Linn. 



SYLLYTHRIA IMBTJTALIS (Plate 178, Fig. 9). 



Ehodaria imbutalis, Walker, Catal. Lep. Het. B. M. xxxiv. p. 1283 (1865). 



Forewing purplish-red, with a few black speckles on the costal edge, and a 



marginal slender black lunular line : hindwing pale gilded yellow. Thorax, head, 



tip of palpi, and forelegs red ; palpi and abdomen yellow ; middle and hindlegs 



yellowish-white ; tibial slightly red above. 



Expanse jV inch. 



Genus HELIOTHELA. 



Hdiothela, Guenee, Delt. et Pyral. p. 152 (18.')4) ; Walker, Catal. Lep. Het. B. M. xvii. p. 298 ; 



Lederer, Pyral. Wien. Eut. Monat. vii. p. 352. 

 Pcrilypa (part), llubner, Verz. bek. Scbmett. p. 372 (1825-7). 

 Orosana, Walker, Catal. Lep. Het. B. M. xxviii. p. 458 (1863). 

 Nijctarcha, Meyrick, Trans. Eut. Soc. Loud. 18S4, p. 344. 



Wings small ; cilia very broad : forewing rather narrow ; cell more than half the 



