50 



akctiad.t:. 



(Icntnte sulitormiiml wliitish lino and scries of white points on 

 terracn. ITiiid wiiif: ])iiK' fuscous. 



Ilah. C'niXA, C'lickinng (7V?/^>-), 1 $ , Foochau ; Assam, Khiisis, 

 1 cf tvpe. E.rjK 24 millira. 



Genus DIALITHOPTERA, nov. 



Type, D. gemmata. 



I'Vnboscis fullv developed : palpi obliqip. extending about the length of 

 liead, the '2nd JDint rou^^lily scaled above and below, the ;5id minute ; maxillary 

 ])alpi minute ; frons wiih'tuft of scales; antenme in both sexes bipectinate, 

 the apical fourth serrate, the basal joint, with ti;ft of scales; tibia; with the 

 spurs long. Fore wing with Tein 3 from close to angle of cell ; 5 from just 

 above angle ; G from below u]iper angle ; 7, f^. and 10 stalked, 9 absent, male 

 witii a fovea covered on upjierside by a seale-flaj) above base of vein 10; 11 

 oblique. Hind wing with veins 3,4 stalked from angle of crll ; .") fioni near 

 middle of discocellulars ; 0. 7 from upper angle ; 8 from middle of cell. 



103. Dialithoptera gemmata. 



Pisnra gemmata, Ilmpsn. Moths Tnd. iv. p. 50G (1896) ; Dudgeon, J. 

 Bomb. N. H. Soe. 1.^99, pi. ii. f. 29. 



Head -white ; palpi at sides, lower part of frons, and branches of 



antennas blackish brown ; 

 thorax yellowish white ; 

 pectus and legs fuscous ; 

 abdomen white tinged with 

 fuscous. Fore wing yel- 

 lowish white, the costal half 

 suffused with brown and 

 fuscous to middle ; silvery 

 blue raised scales on basal 

 area on costa and below cell, 

 on medial part of costal 



Fig. 15. — Dialithoptera gemmata, ^ • 



area and on the tufts of scales at upper and lower angles of cell 

 the postmedial line formed by silvery blue tufts of scales, obtusely 

 angled below costa and slightly angled inwards above vei)t 2 ; the 

 terminal area suffused with brown and fuscous except towards 

 costa ; the subterminal line irregularly sinuou.^^, retracted to costa 

 and with tufts of silvery blue scales on it. Hind wing fuscous. 



Hah. SiKHTM, 1800-3000 ft. (Dudgeon, Pilcher), 2 d , 1 $ type. 

 E.r2\ 20 millim. 



Genus NIGETIA. 



Type. 



i^j^c^'a, \Mk. xxxiv. 1505(1865) fonnosali^. 



Proboseis well developed ; palpi uptvirned, the 2nd joint broadly and quad- 

 rately sealed in front, the JJrd short, naked ; maxillary palpi minute ; irons 

 with a tuft of scales; antennne of male minutely serrate and fasciculaie, the 

 b.'isal joint with tuft of scales; tibia; with the spurs long. Fore wing elongate 

 triangular, the apex somewhat produced and acute ; slight tufts of scales at 

 middle and end of cell ; voins 3, 4 stalked ; 5 from angle of cell or stalked 

 with 3, 4 ; 6 from well below upper angle ; 7, 8, 9, 10 stalked ; 1 1 oblique. 

 Hind wing with veins 3, 4 strongly stalked from angle of cell ; 5 iVom middle 

 of discocellulars; G, 7 stalked; 8 trom middle of cell. 



