VITHORA. GENUSA. 



311 



dilated towards extremity ; abdomen long and slender ; hind tibiae 

 of male dilated with a fold containing a ridge of hair. Wings 

 long and narrow, sparsely clothed with small scales and hair. 

 Fore wing with vein 3 from before angle of cell ; 7, 8, 9 stalked ; 

 10 and 11 free. Hind wing with vein 3 from before angle of cell. 



3553. Vithora indrasana, Moore, P. Z. S. 1865, p. 795, pi. 42, fig. 5 ; 



C. 8f S. no. 344. 

 Halthia nigripars, Sivinh. Trans. Ent. Soc. 1892, p. 16, pi. 1, fig. 1. 



c? . Head, thorax, and abdomen orange, with black markings. 

 Fore wing black, with some yellow at base ; a white patch occu- 

 pying the basal half of cell ; a quadrate patch below its middle 

 and another in its extremity ; a postmedial curved serie8 of three 



Fig. 146. Vithora indrasana, $ . \. 



irregular patches, the two lower conjoined ; an irregular subapical 

 bar; a submarginal spot below vein 4. Hind wing white, with 

 medial black band interrupted at middle or broken up into spots, 

 some scattered spots and specks beyond it ; an irregular marginal 

 band. 



$ . The black markings more extensive and the white more 

 reduced, especially on the hind wing, which has a broad curved 

 postmedial band connected by spots with the marginal band. 



The markings are very variable. 



Hob. Sikhim; Khasis. Exp. 62 millim. 



Genus GENUSA. 

 Genusa, Wlk. Cat. iv, p. 818 (1855). 



Type, G. Ugutta, Wlk. 



Range. Calcutta; Burma; Malacca; Sumatra. 



Palpi porrect, reaching far beyond the f rons, slender and slightly 

 fringed with hair; antennae bipectinated to apex, the branches 

 longer in the male than the female ; hind tibiae not dilated ; 

 frenulum absent ; the wings scantily clotned with small scales and 

 hair. Fore wing with the costa arched : the outer margin oblique ; 

 vein 3 from before angle of cell ; 7, 8,9 stalked from before upper 

 angle; 10 free; 11 anastomosing slightly with 12. Hind wing 

 with vein 3 from before angle of cell. 



