370 jrocTUiD-ai;. 



Genus ELiEOGNATHA. 



Typo. 



FJaognafha, Enipsu. A. M. N. H. (7) xvi. p. 577 (1905) argyritis. 



Proboscis absent ; palpi up turned, slender.the 2nd joint reaching to vertex of 

 ■head and witli tuft of hair on inner side at extremity, the 3rd long and some- 

 what dilated at extremity; frons smooth, rounded; eyes large; antennas of 

 male laminate and ciliated ; head and thorax clothed chiefly witli scales, the 

 pro- and metathorax with spreading crests ; fore tibiaj fringed with long hair 

 on outer side ; abdomen with dorsal crest at base and sliglit subdorsal tufts of 

 hair. Fore wing elongate, the inner margin strongly arched, the apex rounded 

 and the termen obliquely curved ; vein 2 from middle of cell, curved at base ; 

 ^ and 5 from close to angle of eel! ; 6 from upper angle or from areole whicli 

 is rather long and formed by 9 from 10 anastomosing with 7, 8 ; 11 from cell. 

 Hind wing with veins 3 and 5 stalked, 4 absent ; 6, 7 stalked ; 8 anastomosing 

 with the cell to near extremity. 



Sect. T. Fore wing of male with large elliptical patch of androconia below 

 middle of cell ; liind wing with the costa highly arched, with a fringe of 

 long hair below its basal half on upperside and a patch of hyaline mem- 

 brane extending to just below and beyond the cell, the apex produced and 

 acute. 



A. Fore wing without broad silvery white fascia through the 



cell from base to postmedial line phcsostrota. 



B. Fore wing with broad silvery white fascia through the cell 



from base to postmedial line argyroleuca. 



6689. Elaeognatlia phseostrota. 



ElcBognatha phaostrota, Hmpsn. A. M. N. H. (7) xvi. p. 578 (1905). 



Head and thorax clothed with silvery white, reddish brown and 

 black scales ; palpi with the 2nd joint blackish at sides ; pectus and 

 legs grey, the fore and mid tarsi fuscous above ; abdomen grey, 

 dorsally suffused with reddish brown. Fore wing silvery grey 

 irrorated with black and suffused with dark brown except on 



Fig. 138. — Elcsognatha phcEOstrota, S . \. 



terminal area ; a very indistinct antemedial series of dark spots ; 

 a black point in middle of cell and another on discocellulars ; post- 

 medial line bent outwards below costa, then somewhat dentate, 

 incurved between veins 5 and 3, then retracted to the cell, bent 

 outwards between veins 2 and 1, then retracted to before middle 

 of wang and bent outwards again toinner margin ; subterminalline 



