RHYACIA. By W. Waeeen. 43 



submarginal line duller; a row of sagittate marks before it plain; anal tuft of abdomen luteous. Kuku-Nor, 

 Tibet, i?. clarivena Piing., from the same locality, is larger, with serrate antennae in <?. 



R. refulgens spec. nor. (9 f). Differs from stentzi Led. in having the ground-colour glossy purplish black; refulgens. 

 the costal streak olive ochreous: the reniform stigma narrower, its inner pale edge more curved; the 

 claviform outlined with dark and pointed at the end; the subcostal vein and sometimes the median finely, 

 white: smaller than stentzi, and with narrower forewings. Occurs in Kashmir and Tibet as well as in 

 X. India, and may be a form of dulcis AlpJi. 



R. triangularis Moore (9f). Forewing deep purple brown; costal streak reddish ochreous; orbicular triangularis. 

 stigma triangular, reddish ochreous, merged in the costal streak; reniform with inner edge ochreous; a 

 velvety brown-black blotch at base below median vein; a dark costal bar before submarginal line which, 

 like the outer, is pale and thick; hindwing brownish fuscous; tegulae velvety brown-black, with base 

 ochreous. Described originally from N. W. India; the species occurs in Kashmir and Japan also. 



R. musivula Stgr. (9g). Forewing ruddy brown, paler and greyer towards termen; costal streak musivula. 

 broadly pale ochreous, with the edge brown; costal and subcostal veins whitish; cell and a submedian basal 

 blotch deep olive brown; stigmata grey with pale edges; the claviform minute and obscure; orbicular 

 triangular, sometimes wholly white; marginal area narrowly darker; hindwing pale greyish fuscous; fringe 

 rufous. Tibet, Amdo and Kuku-Nor. 



R. c-nigrum L. (= nun-atrum Esp., gothica var. singularis Esp.) (9g). Forewing purplish grey or c-nigrum. 

 purplish fuscous with a leaden gloss; costal area at middle ochreous, merged with the bluntly triangular 

 orbicular stigma: cell, a submedian basal blotch, and costal spot before apex purplish black; claviform 

 stigma minute; reniform large, the lower lobe purplish; hindwing ochreous whitish, in ? with the termen 

 broadly fuscous. Throughout Europe; N. and G.Asia; China, Japan, Gorea. — Larva red-brown, with 

 obscure paler dorsal and subdorsal lines and a broad pale ochreous spiracular line; on low plants generally. 



R. degenerata Stgr. (9g). Forewing pale drab grey, dusted with darker in a" ; grey-brown in ?; degenerata. 

 costa paler, at least in middle; cell and a basal submedian blotch deep olive brown; stigmata as in 

 C-nigrum, but paler; hindwing whiter; in the ? the basal blotch is less conspicuous and the pale lines 

 plainer. Turkestan. 



R. stupenda Btlr. (== stupens Oberth.) (9h). Forewing deep purplish brown: costa broadly straw- stupenda. 

 colour to outer line; lines pale with dark edging; orbicular and reniform stigmata dark, with their upper 

 parts varied with straw-colour; the cell, a basal blotch, and the submarginal line, especially at costa, black- 

 brown; hindwing straw-colour with broad dark fuscous margin; tegulae like costal stripe, with the tips 

 dark. — A large and striking species, found in Amurland, W. China, Japan and Corea. — Amurland 

 specimens are paler, with the reniform stigma erect, not curved. 



R. flammatra Schiff. (= deleta Roll., basiclavis Walk., bimaculata Mill.) (9g). Forewing grey with flammatra. 

 a brown or lilac tinge; costa towards base paler; a submedian basal streak, the base of cell, and the upper 

 half of tegulae velvety black; orbicular and reniform stigmata large and grey, the cell between them, 

 sometimes dark; markings variable in intensity; hindwing ochreous fuscous, paler at base. A large species 

 with elongate wings, widely spread through Europe, but rarer northwards; in W.Asia it occurs in Kashmir, 

 Persia , Asia Minor and the Altai Mts. in W. Siberia. — Larva green , with pale lateral streaks ; on various 

 low plants. 



R. mandarina Leech (9h). Forewing red-brown; costal streak reddish ochreous; the two upper mandarina. 

 stigmata the same; claviform obscure; cell black; hindwing yellowish brown; tegulae pale red, with the 

 tips darker. "West China. 



R. spania Piing. Forewing narrow, blackish grey; markings obscure; a fine black streak from spania. 

 base; lines black, double; claviform stigma absent; cell black; the upper stigmata dark grey, the orbicular 

 round, the reniform with lower lobe swollen to touch the outer line; submarginal line pale yellowish; hind- 

 wing dull grey. — A smooth and finely scaled insect, most resembling velata Stgr.; — described by 

 Puxgeler from a single ? from the Thian-Shan Mts. 





R. karschi Graes. Forewing elongate, blackish with a bluish lustre: lines faint, placed as in karschi. 

 nigricans L.; the 3 stigmata with black outlines; a black streak from base to claviform, intersected by the 

 pale basal line; cell filled up with black; reniform stigma laterally marked by some pale brown scales; 

 submarginal line formed of black and brown spots; hindwing dark grey, with yellowish white fringe. 

 Amurland. 



R. vidua Stgr. (9h). Forewing purple brown; the costa curved, concolorous; tegulae ochreous with vidua. 

 black tips; otherwise like mandarina Leech, but the submarginal hne shown by a row of pale spots. 

 "VY. China: Amurland. 



