44 RHYACIA. By W. Waeren. 



subpurpurea. R. subpurpurea Leech. Forewing rufous brown; the marginal areas, stigmata, and veins frosted 



with lilac scales ; subcostal vein broadly, and median narrowly, rufous ; the cell black ; a blackish submedian 

 basal patch and costal spot before apex; hindwing fuscous brown: head and thorax dark; anal tuft of 

 abdomen rufous ; underside uniform olive brown. West China. 



con- R. consanguinea Moore (9h). Forewing dull rufous brown; costal streak brownish ochreous, the 



sanguinea. ec jg e brown; the cell, a broad streak from base below median, and some wedge-shaped marks before sub- 

 marginal line black brown ; hindwing fuscous brown, paler towards base. Kashmir, Tibet, ? Japan. 



costaestriga. R. costaestriga Stgr. (9 h). Forewing rufous brown ; costal area between inner and outer line 



purplish: the cell black: stigmata edged with black; a slight black costal mark before apex: hindwing pale 

 fuscous. Tibet. 



kollari. R. kollari Led. (9i). Forewing purple grey; the median area suffused with vinous brown; lines 



distinct: base of submedian interval, the cell, and a costal spot before apex black: claviform stigma small, 



followed by a brown streak to median shade ; orbicular and reniform with red centres and grey rings ; hind- 



plumbata. wing brownish fuscous. Ural Mts., Russia; Altai Mts., Siberia; Amurland; Kamschatka; — the ab. plumbata 



Btlr. from Japan is darker, more suffused with purple, with the markings more obscure. 



triangulum. R. triangulum Mufti. (■= sigma Fsp., intermedia Tutt) (9i). Forewing grey brown, with a rufous 



tinge: a small blotch at base, a praeapical costal spot, and the cell prominently black brown; hindwing 

 fuscous. Occurs throughout Europe, and in Armenia and Kashmir. — Larva ochreous brown, black 

 speckled ; the lines pale ; a row of oblique dark subdorsal bars ; feeds on all low plants. 



ditrapezium. R. ditrapezium Bkh. (= tristigma Tr., sigma var. God.) (9i). Forewing darker than in triangulum 



Hufn., smooth vinous brown; the dark markings not so black; hindwing distinctly yellowish-tinged. Generally 

 distributed in Europe, Siberia, Turkestan and Amurland. Larva like that of triangulum, but pinker. 



depuncta. R. depuncta L. (= mendosa Hbn.) (9i). Forewing grey brown, the basal and inner lines edged 



with dark brown to middle; orbicular and reniform stigmata large, grey, with fine pale annuli; claviform 

 hardly defined; a distinct brown median shade; hindwing pale ochreous fuscous. Widely spread, but not 

 pontica. common, in Europe; — ab. pontica Stgr., from Amurland and Turkestan, has the forewing reddish grey 

 consenescens. and the hindwing whitish; — ab. consenescens Stgr., likewise from Asia Minor, is yellowish grey. — 

 Larva dull brown; dorsal line marked by a row of dark-edged lozenge-shaped spots; spiracular line dark, 

 with a whitish line below it; on various low plants. 



baja. R. baja F. (= tricomma Esp., smithii Snell.) (9k). Forewing dull red-brown, with slight lilac 



grey tinge in places; a distinct black praeapical costal bar; upper stigmata large, with slight pale rings; 

 lower lobe of reniform dark; median shade forming a brown space between the stigmata; a black dot near 

 base of cell ; hindwing ochreous or yellowish grey. Common throughout Europe and N. Asia to Japan ; — 

 bajula. ab. bajula Stgr. (9k) is smaller than the type and suffused with grey, without any red tinge; — in the 

 punctata, northern form punctata Auric, the lines are prominently marked by dots on the veins; — purpurea Tutt, 

 grisea Tutt and coerulescens Tutt are merely colour variations. — Larva polyphagous, brown or grey, with a 

 red tinge; the lines pale; a row of oblique dark sublateral bars; a pale bar on segment 12; head pale brown. 



plecta. R. plecta L. (9k). Forewing red-brown suffused with purple; costal streak broadly cream-colour 



to outer line, sometimes red speckled; cell and a basal streak below median vein blackish or deep red; 

 orbicular and reniform stigmata with bright pale rings and grey centres, the latter followed by a small 

 black blotch; lines rarely visible; hindwing whitish; patagia red-brown; dorsum greyish fuscous, sometimes 

 with basal half cream-coloured, sometimes wholly cream-coloured. Common throughout Europe, occurring 

 unimacula. also in W. Asia, Amurland, Japan and Corea. — ab. unimacula Stgr. (9k) from Spain has the orbicular 

 anderssoni. stigma obsolete; — in ab. anderssoni Lampa from Scandinavia the forewing is blackish purple; — in 

 glaucimacula. ab. glaucimacula Graes. (10 a) from Amurland the stigmata are smaller, as in leucogaster Frr. and pearl- 

 grey in colour; the outer line of forewing well-marked and indicated on hindwing also by vein-dots; patagia 

 ignota. black-brown; — ab. ignota Swinh. (10a), described in the first instance from Ceylon, has the cell red like 

 the rest of wing; European examples of this form are generally entirety pale red, with the costal streak 

 red-speckled, and usually $?. — Larva yellow-brown, greener laterally; dorsal and subdorsal lines reddish; 

 spiracular line broadly yellowish; on all low plants. 



leucogaster. R. leucogaster Frr. (10 a). Like pleda L., but the forewing is longer and narrower, with less 



reddish , and more of an olive-brown tinge ; the costal streak rufous ochreous ; the two stigmata much 

 smaller, white-ringed; hindwing pure white; dorsum white, with anal segment rufous-tinged; patagia black- 

 brown, not reddish. Restricted to the South of Europe, France, Spain, Portugal, Italy, Greece, and to 

 Palestine in Asia. — Larva dorsally brownish grey with fine white lines and a broad yellow lateral line; 

 venter grey; — on Lotus and other low plants. 



