30 



ARCTIID.E. 



Head and thorax dirty white ; palpi and femora orange ; abdo- 

 men orange above, white below, 

 with dorsal, lateral, and ventral 

 series of black spots. Fore wing 

 very pale fuscous ; the costa and 

 base of inner margin whitish ; 

 black spots in and just beyond 

 each angle of cell. Hind wing 

 pale fuscous ; some specimens 

 with a black submarginal spot 

 above vein 5 and two towards 

 anal angle. 



Typical transiens is almost white, the form vacillans darker 

 fuscous. 



Larva black, blotched with red-brown and with tufts of red- 

 brown hair, the lateral tufts arising from ferruginous tubercles ; a 

 dorsal broad white line ; head black, marked with white. 



Hob. China ; Philippines ; throughout India and Burma ; 

 Borneo ; Celebes. Exp., J 50, 2 60 millim. 



Fig. 10. — Phissama transiens, $ . \. 



Genus NIO&A. 

 Niksea, Moore, Lep. Atk. p. 11 (1879). 



Type, N. longipennis, Wlk. 



Range. Japan ; N. India. 



Palpi porrect, reaching just beyond the frons ; antennae ciliated 

 in male. Hind tibia? w 7 ith two pairs of spurs. Pore wing long 

 and narrow in male, the outer margin oblique, shorter in female. 

 Venation as in Spilosoma, except that veins 6 and 7 of tbe hind 

 wing are stalked. 



1243. Nicsea longipennis, Wlk. Cat. iii, p. 655; Butl. III. Het. v, 



pi. 82, fig. 7 ; C.SfS. nos. 342, 803. 



Head and thorax black, vertex of head orange ; abdomen orange, 

 with dorsal and lateral black spots. Pore wing black, with two 



Fig. 11. — Niccea longipennis, £. 



white specks below the costa near base ; a bifid spot below middle 

 of costa; a single spot below vein 2; a trifid postmedial spot 



