404 OHIASMIA. By L. B. Proitt. 



binaevata. L. binaevata Mab. (25 d) is closely similar to scutularia but with more of the grey, strongly dusted 



ground-colour of partitaria. Pood-plant and life-history as in scutularia, which it represents in Corsica. — 



austauiaria. austautaria Ob. (24 c) is referred by Staudinger as a variety or aberration to binaevata. It is distinguished 



Vy having broad blackish shades proximally to the first yellow line and distally to the second: cell-dot sharply 



unicolora- black. Oran. — ab. unicoloraria Ob. lacks the blackish shades, thus it is not clear in «hat respect it differs from 



''"' scutidatia, except that the postmedian line is probably shaped more as in partitaria. 



154. Genus: Cliiasiuia Hbn. 



Characters of Macaria, the fovea not very strongly developed, distal margin of forewing not excised 

 in anterior part, that of hindwing only slightly prominent at the vein -ends (especially 2nd subcostal and 3rd 

 radial). Probably not separable from Macaria on a scientifically grounded system, the slight difference in 

 habitus being evidently due to its havmg acquired a diurnal flight. Contains properly only a few Palearctic 

 species, but we have followed Warren in adding the strigata group, which extends into the Indian fauna. 



cMhrata. Ch. clathrata L. (23 k). Extremely variable, though the dark transverse stripes and dark veins give 



to nearly all the forms a characteristic latticed appearance. Fringes sharply chequered (white and fuscous). 

 cingularia. Antennal ciliation short. — ab. cingularia Hbji. ( = albicans Ob.) is almost or entirely without dark markings 

 cancellaria. except the median line, which is sharply expressed. — ab. cancellaria Hbn. ( = radiata Haw.) has all the trans- 

 retata. verse markings present, but narrowed into mere lines. — retata Haw. is almost the same or slightly intermediate 

 fasciata. towards the type. — ab. f^sciata ab. nov. has the median area of both wings darkened into a broad band. • — 

 ornataria. ab. omataria Krulik. has the distal area of both wings broadly dark fuscous, with white .subterminal spots 

 -nodurnaia. small or almost obsolete. — ab. nocturnata Fuchs (= nigricans Ob.) (24 c) is dark throughout both wings, ex- 

 \aurata. cepting the subterminal spots and the chequered fringes. — aurata Trti. (23 k) has the ground-colour deeper 

 chretienl. gold-yellow, without any white admixture. Sicily. — chretieni Th.-Mieg. Ground-colour pure white, without 

 yellow admixture (except slightly on the underside). La Grave (Hautes-Alpes); also in N. Britain, etc. Thus 

 punctata, the colour-changes appear analagous to those of Bzipalus piniaria. — punctata B.-Haas. Groiuid-colour also 

 pure white, reduced to spots and dots by extension of the black markings. Juldus district, in numbers. — 

 cmtralasiae. cetltralasiae Krulik. is a very small, veiy dark race from Pr.shevalsk (E. of Issyk-kul), approaching ab. noctur- 

 nata. Perhaps synonymous with punctata. — Egg oval, dark green, with regular (chiefly hexagonal) reticu- 

 lation and strong white laiobs at the angles. Larva smooth, cylindrical, reddish or brownish green with in- 

 distinct lines and broad v\'hite lateral stripe, dark edged above. On clover, lucerne, etc. Moth in May — June 

 and again in August, flying in simshine. Generally common in Eui'ope, Western and Central Asia and across 

 Siberia to Japan. The eastern specimens before me shoM' a combmation of the chretieni and cawceZtona characters. 



f/lareai-ia. Ph. glarearia Brahm (23 k) differs in having stronger dark irroration, much weaker and differently 



placed transverse markings, no darkened veins and in liaving the ^ antenna dentate-fasciculate. Inter- 

 luteo. mediate towards Isturgia — ab. lutea GiJlm. Markings almost entirely suppressed, the dark irroration indicated 

 at the costal margin of the forewing only, the lines sho\\'n by some slight irroration. — Egg oval, flattened, 

 granulated. Larva green with red-brown dorsal spots, or reddish grey; subdorsal line and lateral stripe whitish. 

 On Trifolium lupulinus. Moth in April — ^May and again in August, Central and Southern Europe and distri- 

 buted to Central Asia. 



saburraria. Ch. saburraria Ev. is said to be related to the preceding but ash-grey mixed with brownish, with 2 



brown lines and black discal dots. Irkutsk and Amurland. 



legataria. Ch. legataria H.-Sch. (25 i) is also unkno^vn to me in nature and no description exists. According to 



the figm'e it is very distinct in its larger size, more elongate wings, bright yellow, finely dark-dusted ground- 

 colour, red-spotted costa, reddish fringes, etc. Both wings have a dark discal dot, the forewing two somewhat 

 interrupted dark Imes, the hindwing one, all accompanied by some reddish shading at the hind (inner) margin. 

 Asia Minor and W. Kurdistan. 



pygmaearia. Ch. pygmaearia Leech (23 k) and thfe following species belong to a group of closely allied forms which 



range from N. India and Sumatra to Formosa and Japan and differ from true Chiasmia in the longer forewing, 

 with more cm'ved distal margin and more strongly developed fovea, pygmaearia is easily recognizable from our 

 figure but is possibly only a form of the Indian radiata. which, however, has broader dark markings and less 

 curved median shade. Chang Yang. 



tutearia. Ch. lutearia Leech (23 k). Larger, longer-wmged, antennal cUiation rather stronger, the dark markings 



much increased, both wings with large cell-spot. Japan: Oiwake. 



