352 THE LEPIDOPTERA OF CEYLON. 



Genus MECYNA. 



Meojna, Guenee, Delt. et Pyral. p. 406 (1854); Walker, Catal. Lep. Het. B. M. xix. p. 804; 



Meyiick, Trans. Enf. Soc. Lond. 1884, p. 326. 

 Uresiphita (part), Hiibner, Verz. bek. Schmett. p. 353. 



Forewing long, exterior margin oblique ; cell tliree-fifths the length ; first sub- 

 costal at one-fifth before end of the cell, third bifid, fifth curved from the end of 

 cell; discocellular slightly concave, radial from angle close to ends ; middle median 

 close to end of cell, lower at one-third ; submedian curved, with a slender lower 

 recurved branch: hindwing broad, exterior margin convex; cell short, less than 

 one-third the length ; subcostals fi'om Ijeyond end of cell, upper partly joined to 

 costal; discocellular very slender, obliquely concave, i-adial from lower end; two 

 upper medians from end of cell, lower at one-fifth; a curved submedian and two 

 internal veins. Body moderately stout, abdomen extending beyond hindwings ; 

 labial palpi long, porrect, rostriform, tip slightly decumbent and attenuated, squa- 

 mous ; maxillary palpi short, distinct, dilated with lax scales at the tip ; antennre 

 minutely pubescent in male ; legs long, bare, middle tibias in male broadly flattened, 

 with a slight groove on inner side containing a slight tuft ; spurs long, unequal. 



Type, M. polygonalis. 



MECYNA DEPRIVALIS (Plate 179, Fig \S, 1(« larva). 

 Mecyna deprivalis, Walker, Catal. Lep. Het. B. M. xix. p. 806 (1859). 



Forewing ferruginous ; crossed by a slender black outwardly-oblique undulated 

 antemedial line, and a recurved postmedial denticulated line, the intermedial area 

 being finely speckled with black scales, and with a blackish lunular mark at end of 

 cell ; hindwing ochreous-yellow, with an excavated bordered blackish marginal band, 

 which terminates before the anal angle. Thorax, head, and palpi above ferruginous ; 

 palpi beneath and legs yellowish-white ; fore tibi^ brownish ; abdomen above 

 ochreous-yellow. 



Expanse 1 inch. 



Larva rather stout ; green above, olivaceous beneath ; with a dorsal, subdorsal, 

 lateral, and two sublateral rows of black spots, the subdorsal dotted with white; 

 the latter with short intermediate yellow oblique streaks ; head and a band on legs 

 Ijlack. Pupa red ; obtusely pointed at the ends. 



Genus DYSALLACTA, 



Bi/saUacta, Lederer, Pyral. Wien. Ent. Moiiat. vii. p. 393 (1863). 

 Forewing narrow, elongated, triangular ; cell long, extending more than half 

 the length ; first subcostal emitted at two-fifths before end of the cell, second and 

 third close to end, third bifid, fifth from the end ; discocellular slender, outwardly 



