40 RHYACIA. By W. Warren. 



the <? is paler than the ?; a very variable species alike in colour and plainness of markings; — ab. 



congener, congener Mbn. (8h) is wholly red-brown with the stigmata yellowish; — ab. subrufa Haw. (8h, i) is 



subrufa. distinguished by having the cell dark at base and between the stigmata; — ab. conflua H.-S. nee TV. 



conflua. /_ ra fovirgata Tutt) (8h, i) has the ground-colour reddish ochreous mottled with darker; — ab. mendica 



lonicohi &• (&*) ^ s u ^e tne ^ ast ' but snows black or dark brown spaces in the cell; — ab. ignicola H.-Sch. (8i) 



primulae. has the ground-colour yellowish ochreous, with the markings distinct; — primulae Esp. is the same form 



odirea- but with the cell filled in with blackish; — ab. ochrea-virgata Tutt is a banded form, the whole space 



virgata. between the median and subterminal line being darker; — ab. grisea Tutt (= conflua Auct. nee TV.) (8i, k) 



gnsea. . g & sma jj (j^ g re y f orm ^^ j. ne s tig m ata clear; — ab. coerulea Tutt is of a clear slaty or lilac colour 



lamentanda. with pale stigmata; — lastly, ab. lamentanda Alph. is a pale uniformly ochreous form from Siberia and 



Kamschatka. - - A generally distributed species in Europe and probably occurring throughout North and 



Central Asia, where it has been recorded from Armenia and W. Siberia, Turkestan and Tibet. — subsp. 



conflua. conflua Tr. (= thulei Stgr.) (8k) is smaller, with narrower, more pointed forewing, reddish brown varied 



with yellowish; the stigmata large with dark marks in cell; described originally from Iceland and occurring 



borealis. in the Shetlands and Lapland; — ab. borealis Zett. (8k) is a grey brown form without any red but 



obsoleta. with the cell blackish; obsoleta Tutt (8k) resembles borealis, but the cell is unicolorous and the 



diducta. markings obscure; - - ab. diducta Zett. has the forewing grey with a broad rusty-testaceous fascia, and 



the markings obscured. — Larva varying from ochreous grey to greenish grey, and sometimes dark brown; 



the lines pale; the subdorsal with a series of dark marks above it, sometimes developed into oblique streaks; 



on various low plants and shrubs. 



tenuis. R. tenuis Btlr. (12b). Forewing reddish, the costal edge red-brown; inner and outer lines double, but 



indistinct; stigmata indistinct; the orbicular large and attached to the pale costal area; hindwing pale 

 brown, darker externally. Described by Butler from the Punjab, India, but occurring also in Kashmir. 



lorezi. R. lorezi Stgr. (8k). Forewing rufous ochreous, the median area darker; end of claviform stigma marked 



by a dark spot; the upper stigmata pale with brown margins; subterminal line preceded by a brown shade; 

 hindwing pale suffused with fuscous externally, but the termen itself pale. — A local and rare species, 

 confined to E. Switzerland, and the Tyrol. 



destituta. R. destituta Leech. (8 k). Forewing bright rufous, suffused, excepting the cell and area round it, with 



bluish grey and fuscous; the lines all double; the upper stigmata small and grey, the orbicular round, 

 detached; hindwing brownish, the fringes reddish. The unique type from Pu-tsu-fong, W. China. 



homodiroma. R. homochroma Hamps. (81). Forewing deep chocolate red, sprinkled with silvery bluish; the upper 



stigmata with silvery blue brown-edged rings; the lines double; hindwing whitish with brown suffusion, and 

 reddish fringe. Yatong, Tibet. — Resembles destituta, but darker and smaller. 



nyctymerina. R. nyctymerina Stgr. (= subdecora Stgr., decorans Stgr.) (81). Forewing ochreous, densely dusted with 



dark scales and in the disc with orange; lines double; orbicular and reniform stigmata partially defined by 

 orange and with a median shade between them; hindwing fuscous brown, the fringe ochreous. Turkestan. 



similis. R. similis Stgr. (= polita Alph.). Forewing like that of nyctymerina, but paler, the orange scales 



replaced by yellowish flesh-colour; the thorax and patagia with patches of the same; fringe of both wings 

 pale with a dark line. Alexander Mts., W. Turkestan. 



psammia. R. psammia Piing. Closely resembling similis Stgr., but smaller, more uniformly brownish grey, 



without darker dusting; markings as in similis, but very obscure. Described by the author from a single cf 

 from Askhabad. 



thapsina. R. thapsina Piing. Also near similis, but still smaller, dull yellowish grey, with all the markings 



indistinct; hindwing paler towards base, with yellowish white fringe. Fergana, Turkestan. 



leaena. R. leaena Piing. Forewing sandy ochreous, without dusting; the lines slender and single; upper 



stigmata slightly paler; hindwing dusted with grej r , the basal half paler. Described by P&ngeler from a 

 single ? from Fergana, Turkestan. 



psammoda. R. psammoda Stgr. (81). Forewing ochreous yellow, with rufous streaks in the folds and before 



the termen; reniform stigma only visible, edged with rufous; the veins whitish; hindwing white. This 

 species, which superficially resembles a Leucania, is found in the Uliassutai Mts., Mongolia. 



sikkima. R. sikkima Moore (81). Forewing dark grey, suffused in places with blackish and dappled with 



pale grey, especially along submedian fold; stigmata conspicuously ringed, and sometimes filled up with 

 white; the praesubmarginal shade dark, interrupted by a pale streak from apex; hindwing whitish, the 

 veins and termen dark grey. — Occurs at Yatong, Tibet, as well as in N. India. 

 junctimacula. R. junctimacula Chr. (12 h). Forewing luteous grey; stigmata white, grey-centred ; claviform continued 



as a narrow white streak to base, with a black streak below it: orbicular narrow, oblique; reniform sinuous, 



