RISOBA. 433 



6778. Risoba pratti. (Plate CLXXXV. fig. 29.) 



Risoha pratti, Betli.-Baker, Nov. Zool. xiii. p. 235 (1906). 



cJ . Head and thorax red-brown mixed with white, the tegulse 

 and patagia at base tinged with green ; mid tibiae dark-brown 

 towards base, the tarsi brownish ringed with white ; abdomen white 

 mixed with brown, the dorsum suffused with rufous towards base, 

 the crests on terminal segments blackish, the ventral surface rufous 

 mixed with blackish. Pore wing violaceous grey irrorated and 

 suffused with red-brown, the basal half of costa tinged with 

 yellow-green, the costal edge brown ; an oblique rufous patch from 

 base of cell to inner margin, its outer edge white defined by an 

 irregularly waved black line ; antemedial line very indistinct, pale, 

 oblique from costa to below cell where it is angled outwards with a 

 black point at extremity of the tooth, then incurved to the basal 

 patch ; a black-brown point in middle of cell ; reniform small, defined 

 by black-brown and with some white on its outer edge, its upper 

 extremity acute ; some yellow-green at middle of inner margin ; 

 postmedial line strongly angled outwards below costa, then oblique 

 and defined on each side by white, the line fine and double with the 

 outer line greenish to vein 5, the costa beyond it with short dark 

 streaks ; the white beyond the postmedial line defined by dark 

 brown on outer side from costa to discal fold, minutely dentate and 

 defined on outer side by white towards costa ; an oblique dark 

 brown fascia from apex to postmedial line at discal fold traversed 

 by fine white streaks on the veins, with its outer edge dentate at vein 

 7 and with white suffusion below it ; a slight waved dark subterminal 

 line from vein 5 to inner margin, strongly excurved in submedian 

 interspace ; a series of black-brown striae defined on inner side by 

 white and emitting short streaks to termen on costal half just before 

 termen ; cilia intersected with white towards apex. Hind wing white 

 tinged with brown, the costal area from middle and the terminal area 

 broadly brown ; a dark discoidal spot ; a slight waved whitish line 

 just before termen ; the underside with the costal area irrorated 

 with brown. 



Hah. Br. N. Guinea, Dinawa (Pratt), 6 c? • ^^.'7^. 40 millim.- 

 Type t in Coll. Bethune-Baker. 



6779. Risoba lunata. (Plate CLXXXY. fig. 30.) 



Lycoseleiie lunata, Moschl. Abb. Senck, G-es. xv. p. 88, f. 19 (1888). 



Head, thorax, and abdomen black-brown mixed with Avhite ; 

 pectus whitish tinged with brown. Fore wing dark-brown with a 

 slight olive tinge mixed with white ; a difl'used white fascia along 

 subcostal nervure, the outer part of medial area suff'used with white 

 to vein 3, some white at middle of inner margin ; an oblique 

 white patch at base from costa to vein 1 ; antemedial line -slight, 

 black, oblique towards costa, angled outwards in and below cell and 

 inwards on median nervure and vein 1 ; reniform defined by 

 blackish and produced to points on inner and outer sides; veins 7, 



VOL. xr. f 



