p,m. 24. VIII. 09. RHYAGIA. By W. Warren. 37 



R. pancta Piing. Forewing grey-brown with a lilac flush: costal streak faintly paler; a thin short panda. 

 black basal streak: the lines neat; cell tilled in with dark, the stigmata with yellowish lings; hindwing 

 brownish grey with rufous fringe. Described by Pungelek from a single c? from the Alexander Mts. - 

 A small species with short and broad forewings, and strongly pectinated antennae. 



R. straminea Leech (ltd). Forewing ochreous; the costa narrowly brown; lines indicated by brown straminea. 

 vein-dashes : reniform prominent and brown : median shade swollen into a brown blotch on inner margin ; 

 fringe with pink tips: hindwing dark-brown; fringe yellow. A single cf from W. China. 



R. herrich-schaefferi .1//'//. (12 g). Forewing ochreous grey; a black patch near base of submedian herrich- 

 interval: cell black, the two stigmata whitish, the claviform edged with black at end; the inner and outer sdiaefferi. 

 lines approximated or touching on inner margin: submarginal line shown by a row of small black teeth; 

 hindwing greyish fuscous. Changhai Mts., Mongolia and Uliassutai. 



R. vittata Stgr. (8a). Forewing pale liver-colour; costal streak pinkish ochreous; median vein vittata. 

 broadly rufous cream-colour: the upper stigmata cream-colour with rufous centres; the orbicular narrow, 

 oblique: cell and a streak below the median velvety black; hindwing pale grey; tegulae broadly whitish, 

 with black base and brown tips. Tibet, Kuku-Nor and Amdo. 



R. tibetana Stgr. (8a). Forewing grey-brown; median area brown, becoming dark brown in cell; tibetana. 

 orbicular stigma large and grey, bluntly triangular, dependent from the grey costal streak; reniform grey 

 and large: both with slender pale outlines: hindwing pale grey, darker towards termen. Kuku-Nor and 

 Amdo. Tibet. 



R. infantilis Stgr. (8 a). Forewing pearl-grey or rufous grey^; veins towards margin marked with infantilis. 

 dark, the cross lines showing paler; cell brown; orbicular stigma pale, narrow and oblique; reniform dark 

 with a pale outline; hindwing pale grey, glossy; tegulae, face and palpi whitish. Kukn-Nor and Amdo, Tibet. 



R. parvula Piing. (8 a). Forewing lilac-grey, the cell and costal area suffused with red-brown ; the parvula. 

 two lines red-brown, double, distinct, the inner angulated, the outer hardly dentate; submarginal line 

 preceded by a red-brown shade, blotched on costa; claviform stigma large, velvety black; orbicular small, 

 obscure, round: reniform brown, anvil-shaped, the lower lobe projecting on each side; fringe brownish; 

 hindwing pale grey. — Quite a small species, from Kuku-Nor, Tibet. 



R. deparca Btlr. (8 a). Forewing ochraceous at base and broadly along costa to end of cell ; the deparca. 

 rest of wing suffused with brown; claviform small, blackish, or marked by a black dot at apex, or wholly 

 wanting; orbicular round, concolorous; reniform pale ochreous, with lower lobe blackish and outer edge 

 white; hindwing uniform dark brownish fuscous, the fringe pinkish ochreous, like anal tuft of abdomen. — 

 Japan. Much larger than, and quite distinct from any Indian form, as also (teste Leech) from stictica Pouj. 



R. stictica Pouj. (= varia Swinh., ochracea Hamps. part, nee Walk.) (8a). Forewing dingy grey, stictica. 

 when fresh with a reddish suffusion; stigmata concolorous with ground, partially pale- and black-edged; 

 fringe concolorous, with two darker lines, and the base brightly pale; hindwing dull grey, the cell spot 

 and termen darker, fringe pale; — a form occurring not uncommonly along with the type form, ab. 

 semipleta nor. (8b), has the cell before and beyond the orbicular stigma black, as in ruptistriga Walk, semipleta. 

 from India, but in this case the black between the stigmata reaches no higher than the cell fold. — 

 Poujade described his stictica from a single d* from Mou-pin, W. China; varia Swinh. which is fairly 

 abundant in North India, occurs also in the Goorais Valley', Kashmir. 



R. olivascens Hamps. (8b). Forewing pale brownish fawn-colour; costal and inner margins slightly olivascens. 

 darker; cell dark brown; the stigmata pale with dark centres; the orbicular flattened; lines obscurely 

 marked; hindwing dull grey. — Originally described from India, but occurring also in Tibet. 



R. COturnicula Graes. (= herzi Chr.) (12b). Forewing rufous; the lines and edges of stigmata cotumicula. 

 deeper; stigmata large, concolorous; hindwing fuscous, with paler fringe. — Petrofka, Amurland; Mongolia 

 and S. E. Siberia. 



R. senescens Stgr. (8b). Forewing dull grey, with all markings obscured; the cell brown; hind- senescens. 

 wing grey. — Altai Mts., W. Siberia; W. and E. Turkestan; Amurland; — the ab. senilis Stgr. (8b) senilis. 

 agrees exactly in markings, but the forewing at base and along costa is white, especially in the ?, and 

 the markings are plainer: hindw T ing fuscous brown with white fringe. 



R. kungessi Alph. Fore- and hindwings white, the latter tinged with fuscous and with traces of kungessi. 

 outer lines. Turkestan. 



Section II: Antennae of d' bipectinate to just beyond middle; the pectinations short and stiff. 



R. ypsilon Pott. (= suffusa Schiff., spinula Esp., spiniferus Haw) (8 c). Forewing narrow, grey- ypsilon. 

 brown, suffused in parts with smoky fuscous; claviform stigma small, black-edged; orbicular oval; reniform 



III 6 



