SPILAECTIA. — AEOA. 
55 
Spilarctia bifascia. (Plate CXL. fig. 21.) 
Expanse 1-^:, 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 oclireous : 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 ; coxae and 
femora of fore and hind pairs of legs red. 
Nearest to S. bifrons, Walker, from China, but with antennse much more heavily 
pectinated, the fore wings darker and much more heavily marked with black. 
LIPARIDJl. 
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-bjcown, 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. 
