Chrysorabdia viridata, 5 • 



74 ARCTIUM. 



Palpi short and porrect. Antennae of male with the cilia and 

 bristles short. Fore wing very long and narrow ; veins 3 and 4 

 from end of cell ; 5 absent ; 6 from upper aDgle ; 10 from areole, 



7 from beyond it. Hind wing with vein 5 absent ; the cell open ; 



8 from middle of cell. Males with a large patch of differently 

 formed scales on the fore wing near base of inner area. 



1327. Chrysorabdia viridata, Wlk. Cat. xxxi, p. 225 j Moore, P. Z. 8. 



1878, p. 19, pi. 2, %. 1 ; C. $ 8. no. 628. 

 Gnophria strigata, Moschler, Stett. ent. Zeit. 1872, p. 353 ; C. 8f 8. 

 no. 627. 



S . Head, collar, and tegulse yellow ; thorax blue-black ; abdo- 

 men yellow with a fuscous tinge. Tore wing with a yellow band 



along the costa not extending to 

 the base; a broad blue-black 

 subcostal band ; a yellow band 

 below median nervure and vein 4 ; 

 a broad blue-black band near the 

 inner margin, which is yellow. 

 Hind wing pale yellow. 

 Fig- jl.^ ^ - 2. Fore wing without the yel- 



low band on costa; the upper 

 blue-black band narrow and extending along the costa, in one 

 specimen not reaching the apex ; the lower blue-black band oblique 

 from the base to centre of outer margin. 



Hah. Sikhim; Silhet. Exp., tf 40, $ 42-48 millim. 



1328. Chrysorabdia bivitta, Wlk. Cat. vii, p. 1682 ; C. 8c 8. no. 626. 

 Lithosia disjuncta, Moore, P. Z. 8. 1865, p. 797; C. fy S. 



no. 619. 



c? . Head, thorax, and abdomen yellow ; thorax with a black 

 spot on vertex and the tegulse metallic blue. Fore wing greyish 

 yellow ; a narrow costal blue streak not reaching the apex ; a 

 broad blue fascia in interno-median interspace interrupted by the 

 patch of scales being greyish yellow ; an elongate blue patch from 

 end of cell to near outer margin. Hind wing paler. 



2 without the black spot on thorax or blue tegulse ; fore wing 

 with the costal fascia very broad, the medial fascia continuous. 



Hah. N.W. Himalayas ; Sikhim ; Manipur ; Burma. Exp., $ 

 50, $ 52-68 millim. 



Genus THYSANOPTYX, nov. 



Type, T. tetragona, Wlk. 



Range. Sikhim ; Silhet ; Naga Hills ; Nilgiris ; Borneo. 



Palpi porrect, the second joint fringed with hair. Antennas 

 with the bristles and cilia long. Legs long. Pore wing long and 

 narrow ; male with a fringe of long scales in the base of cell on 

 upperside and a fold extending to the end of cell on underside : 

 female with vein 2 from middle of cell, which is long and narrow ; 



