SPILAECTIA. — AROA, 55 



Spilarctia bifascia. (Plate CXL. fig. 21.) 



Expanse If ^ inch. 



Male. Fore wing greyish white ; a black spot at base ; an antemedial band of black 

 spots, the one on costa and two towards inner margin largest ; a spot at upper extremity of 

 cell ; an inwardly-oblique postmedial band of spots, curved out round the end of the cell, 

 where the spots are obsolescent, the spot on costa and those toward inner margin largest ; 

 some obsolescent spots towards centre of outer margin. Hind wing rosy, more deeply 

 coloured towards inner margin ; a large black spot with a smaller one below it at end of cell ; 

 three obsolescent spots near outer margin, one between discoidal nervules, the other two 

 towards anal angle. Underside pale ochreous : fore wing with the basal two thirds suffused 

 with pink ; a black patch covering the whole cell except its extremity, and near the base 

 extending down to submedian nervure ; two postmedial irregular bands composed of some- 

 what diffused black spots and streaks : hind wing with a faint rosy tinge ; the large black 

 spot at end of cell as on upperside; some minute spots in the area beyond it. Head and 

 thorax ochreous white ; abdomen red above, white below ; a dorsal series of black spots, and 

 two lateral series on each side. Palpi with basal joint red, terminal joint black ; coxse and 

 femora of fore and hind pairs of legs red. 



Nearest to S. bifrons, "Walker, from China, but with antenna? much more heavily 

 pectinated, the fore wings darker and much more heavily marked with black. 



LIPARID^E. 



Aroa sienna. (Plate CXL. figs. 2, 9.) 



Expanse, ^ \},, ? 1-^- inch. 



Male. Fore wing red-brown, some specimens darker than others ; a small dark brown 

 spot, followed by an ochreous one at end of cell ; an indistinct band below the cell from origin 

 of first median nervule to submedian nervure ; a narrow curved submarginal band. Hind 

 wing darker than fore wing. 



Female. Pale red^brown, larger than the male, but with similar markings. 



Allied to A. plana, but a much redder insect, and without the conspicuous spot at the 

 end of the cell of hind wing. The female is also allied to A. ochracea, of which the male has 

 not been described, but is smaller and redder, and without the spot at end of cell of hind wing. 



