OBGTIA. ABOA. 437 



961. Orgyia viridescens, Wlk. Cat. iv, p. 798; C. $ S. no. 878. 



c5" . Differs from postica in the vertex of thorax and base of 

 fore wing being pale-spotted ; the ante- and postmedial lines widely 

 separated below the cell, and the space between them much more 

 shot with bluish green and purple ; the subinarginal line with a 

 white limule on it near outer angle. Hind wing paler, with 

 traces of a postmedial curved line. 



Hob. Ceylon. Kcp. 30 millim. 



962. Orgyia turbata, Butl. Trans. Linn. Soc. (2) i, 1879, p. 560. 



c? Head, thorax, and abdomen brown and grey. Fore wing 

 brown suffused with orange; indistinct dark waved subbasal, ante- 

 medial, and postmedial lines, which approach each other towards 

 inner margin ; an indistinct dark patch at end of cell ; orange 

 patches at middle of cell, apex, and outer angle. Hind wing red- 

 brown. 



Hob. Karen Hills ; Malacca. Exp. 24 millim. 



Genus AEOA. 



Aroa, Wlk. Cat. iv, p. 791 (1855). 

 Baziza, Wlk. Cat. xxxii, p. 398 (1865). 



Type, A. discalis, Wlk., from S. Africa. 



Range. S. Africa; China; throughout India, Ceylon, and Burma; 

 Java. 



.Flight diurnal : differs from Orgyia in the palpi being much 

 longer and not so heavily fringed with hair, the 3rd joint promi- 

 nent ; legs not so hairy. Female with fully developed wings ; the 

 branches of antennae shorter than in the male. 



963. Aroa maxima, Hmpsn. III. Het. ix, ined., pi. 159, fig. 9. 



cJ . Head, thorax, and abdomen dark brown ; antennae with 

 the shaft pale at sides. Fore wing black-brown ; the cell pale 

 with a black speck on a pale patch at the end of it ; traces of a 

 curved submarginal line ; cilia chequered dark and lighter brown. 

 Hind wing smoky black, with a white fascia from the base to beyond 

 end of cell ; the cilia pale. Underside of both wings with a 

 prominent cell-spot and the discal area pale. 



Hob. Ceylon. Exp. 52 millim. 



964. Aroa major, Hmpsn. III. Het. ix, ined., pi. 159, figs. 3, 5. 



c? . Differs from maxima in the head, thorax, and fore wing 

 being ochreous brown. Fore wing with no pale fascia in the cell ; 

 the black speck on a white patch much more prominent, as also is 

 the submarginal line which is incurved between veins 2 and 3. 

 Hind wing greyish fuscous, except the costal black area. Under- 

 side whitish. 



