Publ. t4. II. od. METACHR0ST1S. By W. Warren. 21 



M. distincta Christ. (4d). Forewing greenish grey; the broad median and narrow marginal areas distincta. 

 chocolate brown; between outer and submarginal lines on inner margin is a pale spot; reniform stigma 

 large, externally white: hindwing pale grey, darkening towards margin; allied to fraudatrkula. Kopetdagh, 

 Askhabad. 



M. roederi Standf. (4e). Forewing blue grey; inner and outer lines nearly contiguous at middle of inner roederi. 

 margin and widely divergent costally; the former diffusely white towards base, and outwardly followed by 

 a dark cloud: submarginal line between two dark shades; lines sinuous, not dentate; apparently without 

 stigmata. Mar din, Kurdistan. Possibly not a true Metachrostis. 



M. umovii Ev. { — colorata KruL). Forewing green, with a submarginal series of spots; lines and umovii. 

 stigmata black: the lines waved and denticulate: the orbicular stigma dotlike: hindwing whitish, dark at 

 margin, with dark cell spot and outer line. From E. Russia and the Ural Mts. 



M. duskei Christ. Forewing greenish grey; median area broad, slate-coloured; the lines black and duskei. 

 crenulate; stigmata with slate-coloured centres; the orbicular large, the reniform with a luteous edge; hind- 

 wing grey with luteous fringe. Armenia. 



M. marginelota Joan. Forewing dark blue grey, with ferruginous dusting, forming spots along the marginelota. 

 darker lines, especially the submarginal, beyond which the narrow outer marginal area is strikingly paler; 

 hindwing dark grey, pale at base : the stigmata are represented dark in the figure published by the author. 

 Known only from Beyrut, Syria. 



M. muralis Forst. (= lichenis Esp., glandifera Hl>n., liguris Mill) (4f). Forewing smooth, unspeckled muralis. 

 green, the markings black and prominent : the claviform and orbicular stigmata coalescing to form a blotch ; 

 occurs throughout Europe. — ab. par Hfai. (4f) is grey green, with darker green dusting; the black 

 markings obsolete. — ab. impar Warr. (4d) is green dusted with black or rufous; the lines more or less impar. 

 obsolete: the green colour fades more quickly than in typical muralis; this form occurs only at Cambridge, 

 where the type form is non-existent. 4 further aberrations have been differentiated; ab. viridis Tutt, rich- 

 green, without black or grey dusting; ab. flavescens Tutt, like the type, but with the green changed to flavescens. 

 yellow, even in bred specimens; ab. pallida Tutt, with typical markings on a whitish grey ground colour; pallida. 

 and ab. obscura Tutt, dull brownish grey, with the markings obscured and without an} r trace of green ; all obscura. 

 these forms are found on the coast of Kent and at Queenstown in Ireland. — Larva dark grey with a 

 greenish tinge: dorsal line broadly white, sometimes interrupted; a pale line above feet; on lichen growing 

 on walls and roofs. 



M. maeonis Led. (4h). Forewing narrow and pointed, greenish grey, covered with blackish dusting; maeonis. 

 markings obscure : inner and outer lines edged with ferruginous ; stigmata pale-edged ; hindwing grey. — 

 According to Stacdinger a very variable insect, occurring in Asia Minor, Transcaspia, and various places 

 in Central Asia. — ab. sordida Stgr. and ab. rubellina Stgr., both from Shahkuh in North Persia, are sordida. 

 larger, the former dark, blackish grey, the latter pale and suffused with rufous. — Larva like that of perla, rubellina. 

 on lichens growing on roofs. 



M. perla F. (4g). Forewing creamwhite with slaty grey markings; orbicular and claviform stigmata perla. 

 contluent forming a figure of 8; hindwing whitish grey with cell spot and outer line dark grey. Generally 

 distributed and common. — The species varies in opposite directions; either the dark scales of forewing 

 are more or less obsolete and the wing is overrun with yellow scaling ab. lutescens Fuchs (= flavescens lutescens. 

 Tutt, perlina Stgr.) (4g), or the wing becomes wholly suffused with the dark tints ab. suffusa Tutt (4g); suffusa. 

 the dark specimens from the Pyrenees, referred here by Staudinger, are blacker than the very darkest 

 British specimens, the whole hindwing being blackish also ; in ab. distincta Tutt the ground colour is white, distincta. 

 the discoidal spots dark grey; 4 short dark dashes on costa at centre and a shade near apex, a short basal 

 streak and a shade beneath the orbicular stigma are the only markings. - - Larva bluish grey with a broad 

 orange dorsal stripe; head black: on lichens growing on walls. 



M. perloides Gruen. (4 g). Forewing whitish , strongly dusted , sometimes with yellow, sometimes perloides. 

 with grey, but always greenish grey rather than bluish ; lines well marked ; basal and inner lines joined behind ; 

 outer line rounded costally; orbicular and reniform touching, the latter small and dark; hindwing dark; 

 intermediate between perla and muralis ab. par; like the former in size and shape, and like the latter in 

 markings. Described by the author from 2 cf cf from Andalusia. Is it not possible that perlina Stgr. and perlina. 

 pyrenaea Oberth. (4 f) represent the pale and dark forms respectively of this species , which should then pyrenaea. 

 be refered to perla as an aberration? 



M. paulina Stgr. (4h). Forewing pale yellowish grey; the inner and outer lines finely rustbrown; paulina. 

 stigmata large, grey, with pale edges; median area darker on inner margin; some grey clouds in marginal 

 area; hindwing very pale grey; only found in Syria f Jerusalem). — Differs from maeonis in being paler, 

 and in the outer line being less strongly sinuous. 



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