TEEIAS. 



425 



Genus TEEIAS. 



Terias, Swainson, Zool. 111. 1st scr. t. 22 (1820) j Boisduval, Sp. Gen. i. p. G51 (1836) ; 

 DoubledaVj Gen. Diuru. Lop. i. p. 70 (1847). 



" Head small, clothed ■with short hairs. 

 " Eyes round, rather prominent. 



" Labial palpi raihcr short, projecting hut little beyond the forehead; deusel}' clothed with 

 short round scales at the sides, with longer ones in front. First joint slightly curved, 

 broadest at the base, slightly compressed at the sides; second joint scarcely one third the 

 length of the first, oval ; third joint minute, oval, clothed with very small scales, almost 

 hidden beneath the scales of the second joint. 



" Antennce rather short, moderately stout, gradually incrassated beyond the middle ; the apex 

 rounded. 



" Tnoiux slender, hairy. 



" Anterior wings subtriangular, generally rounded at the apex, rarely acuminate ; the costa 

 much curved at the shoulder ; the inner margin slightly emarginate. Costal nervure rather 

 stout. Subcostal nervure four-branched : the first nervule thrown off about the middle of 

 the cell ; the second just before the end of the cell ; the third nearer to the apex than to 

 the end of the cell. Upper discocellular nervule wanting ; middle discocellular rather 

 shorter than the lower. Upper discoidal nervule united for a greater or less distance to the 

 median nervule. Internal nervule wanting. 



" Posterior ivings mostly broadly obovate, or rounded, sometimes angular. Precostal nervule 

 nearly atrophied. Discoidal nervule sometimes appearing to be a third submedian, at 

 others thrown off exactly where the subcostal nervure branches, sometimes above that 

 point. Discocellular nervule much curved. Abdominal fold broad. 



" Feet slender. Tarsi long, very spiny. Claws deeply bifid ; the outer tooth mostly more 

 slender and acute than the inner. Paronychia as long as, or longer than, the claws ; 

 sometimes broad, nearly covering the claw, sometimes narrow, lanceolate ; fringed with 

 delicate hairs. Pulvillus jointed, very broad at the end ; about equal in length to the 

 claws. 



"Abdomen slender, arched, not quite so long as the abdominal margin of the posterior wings. 

 " Lakva long, slender, linear, scarcely tapering towards either extremity. 



" Pupa smooth ; keeled along the back, naviculai-, somewhat compressed laterally, not tubercu- 

 late at the sides ; the head very pointed." {Douhleday, I. c.) 



Terias laeta. 



Terias Iceta, Boisduval, Spec. Gen. Lep. p. 674 (1836) ; Pryer, Eliop. Nihon. p. 10, 



pi. ii. fig. 10 (1881). 

 Ttrias jceijtri, Menetries, Cat. Miis. Petr. Lep. p. 84, pi. li. fig. 1 (1855). 

 Terias bethesba, Janson^ Cist. Entom. ii. p. 272 (1878) ; Pryer, 1. c. fig. 11. 

 Terias biformis, Pryer, 1. c. p. 21. 



Terias subfervens, Butler, Ann. & Mag. Nat. Hist. (5) xi. p. 278 (1883). 



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