LEUCOSIGMA. 127 



yellowish at base, red-brown at tips. Hind wing yellowish -white 

 tinged with red-brown ; cilia yellowish white ; the underside with 

 the costal area tinged with rufous, a slight discoidal lunule. 



Hub. Madagascar, Betsileo (Cowan), 1 <S type. Exp. 30 millim. 



Genus LEUCOSIGMA, nov. 



Type. L. uncifera. 



Proboscis fully developed ; palpi upturned, slender, the 2nd joint reaching to 

 vertex of head, the 3rd moderate; frons smooth; eyes large, round ; antennae 

 of male ciliated ; thorax clothed chiefly with scales, the pro- and nietathorax 

 with spreading crests ; tibiae moderately fringed with hair, the inner spurs long ; 

 abdomen with some rough hair at base, but, without crests. Fore wing with 

 the apex rectangular, the term en excised from vein 6 to 4 where it is angled, 

 then oblique and crenulate; veins 3 and 5 from near angle of cell; 6, 7 from 

 upper angle; 8, 9, 10 stalked; 11 from cell. Hind wing with the term en 

 slightly excised at discoidal fold ; veins 3, 4 from angle of cell ; 5 obsolescent 

 from middle of diseocellulars ; 6, 7 from upper angle ; 8 anastomosing with 

 cell near base only. 



*4462. Leucosigma uncifera. 



Leucosigma uncifera, Druce, A. M. N. H. (8) i. p. 302 (1898). 



$ . Head and thorax fiery red mixed with some yellow ; frons 

 with lateral white spots ; basal joint of antennae white in front ; 

 tibiae and tarsi rufous ; abdomen white suffused with red-brown, 

 the anal tuft with fiery red mixed. Fore wing fiery red mixed with 

 yellow, white and some brown, the veins streaked with brown ; a 

 subbasal white striga from costa to an irregular white patch in base 

 of cell ; antemedial line represented by an oblique brown striga 

 from costa and oblique line from vein 2 near its origin to inner 

 margin, both defined by white on inner side; a crescentic white 



Fig. 39. — Leucosigma uncifera, rf . ?. 



spot in and below end of cell expanding into white spots at inner 

 extremity and at upper angle of cell, defined by dark brown ; an 

 oblique minutely waved brown line from vein 5 just beyond the 

 cell to inner margin ; postmedial line brown defined by white on 

 outer side, bent outwards and obsolescent below costa, then dentate, 

 oblique to vein 4, then inwardly oblique, some white points beyond 

 it on costa ; a diffused oblique white bar from apex ; a terminal 

 series of small white lunules. Hind w-ing white suffused with red- 



