AEIOLICA. — CERALA. 489 



termen at discal fold ; cilia black towards apex, then orange with 

 blackish spots. Hind wing pure white. Underside of fore wing 

 white with some fuscous beyond upper angle of cell. 



Hah. SiKniM ; EatrxAN; Assam, Khasis, 1 cJ , 1 ? type. Exj). 

 32 millim. 



6843. Ariolica argentea. (Plate CLXXXVI. fig. 32.) 



Chionomera argeniea, Bull. Trans. Ent. Soc. 1881, p. 18; Kirby, Cat. Lep. 

 Het. p. 284. 



Head, thorax, and abdomen pure white ; palpi, frons, antennte, 

 and legs tinged with ochreous. Fore wing silvery white; a subbasal 

 orange spot on costa; an antemedial orange band, expanding at 

 costa and slightly defined on outer edge by black; a slightly curved 

 orange band from costa beyond middle to torn us, expanding into 

 a large triangular patch at costa on which it encloses a white spot, 

 the band edged with black ; an orange terminal band from apex to 

 submedian fold, defined on inner side by black ; cilia tinged with 

 yellow except towards tornus. Hind wing silvery white. 



Ab. 1. Fore wing with the markings almost obsolete and only 

 faintly traceable. 



Hah. Japan, Nikko {Maries, Lewis, Ho), 1 (5 , 2 5 , Tokio (Fenton), 

 1 (^ , 1 $ , Yokohama {Pnjer, Mauley, Bristoive), 4 J , 5 5^ fype. 

 Hvp. 28-32 millim. 



Genus CERALA. 



Type. 

 Kerala, Moore, P. Z. S. 1881, p. 329 j^unciilineata. 



Proboscis fully cleTeloped ; palpi upturned, the 2nd joint reaching to about 

 Tei fcex of head and moderately scaled, the ord moderate ; frons smooth w'nh 

 tut't ol" hair above ; eyes large, round ; antennae of male ciliated, a ridge of scales 

 between their bases ; thorax clothed with hair and scales mixed, the prothorax 

 without crest, the metathorax with spreading crest; tibiiE smoothly scaled; 

 abdomen without crests. Fore wing rather long and narrow, the apex rect- 

 angular, the termen slightly excised at discal fold and at tornus, not crenulate ; 

 vein 3 from before angle of cell; b fj-om just above angle; 9 and 10 anas- 

 tomosing with 8 to form a moderate areole; 6 from the areola ; 11 from cell ; 

 small tufts of raised Bcales at middle of cell and on disoocellulars. Hinel 

 wing with veins 3, 4 stalked ; 5 i'ully developed from below middle of disco- 

 cellulars ; 6, 7 stalked ; 8 anastomosing with the cell to near middle; the upper 

 and undersides in male clothed with androconia except the costal and terminal 

 areas; the retinaculum of male formed by a tuft of hair trom below median 

 ncrvure. 



A. Fore wing willi the postmedial and subterminal h'nes not 

 closely approximated, the former bent outwards above 

 : inner margin. 



a. Fore wing wholly suffused with olive-green and without 



dark shade before subterminal line puncUUncaia. 



h. Fore wing grey slightly tinged with olive-green on 

 inner half and with purplish shade before subterminal 

 line , (/rise a. 



