294 
THALERASTRIA. By W. Warren. 
dot edged with brown; reniform a black curved bar; the median line black, excurved above and below median 
vein on which it is inangled; subterminal line whitish between fuscous clouds; terminal black dots; hindwing 
whitish with fuscous brown suffusion and a dark terminal line. Known only from Ceylon. 
107. Genus: Thalerastria Stgr. 
Tongue fully developed; frons smooth; palpi upturned, smooth, the third segment short; antennae 
of d filiform; thorax and abdomen smoothly scaled, without crests; fore wing narrow, elongate, widening out¬ 
wards; the apex prominent; termen oblique; forewing with areole; hindwing with veins 3, 4 connate or stalk¬ 
ed; costal anastomosing with subcostal only at base. Type Th. diaphora Stgr. 
Sect. I. Veins 3, 4 of h i n d w i n g stalked. 
diaphora. Tli. diaphora Stgr. (= atribasalis Hmps.) (Vol. 3, pi. 52 g). Forewing yelloAvish white faintly rufous 
tinged; basal area purplish black glossed Avith grey; a triangular black costal blotch, reaching loAver angle of 
cell, followed by a pale flexuous outer line; terminal area purplish black, projecting at each fold; the fringe 
black with a grey gloss; hindwing whitish tinged with brown in the Avholly brown in the $; in the ab. 
laticinda. laticincta Stgr. the dark terminal band is wider; both these forms are strictly palaearctic; but the subsp. 
triangularis, triangularis Wan. (26 n), Avhich is distinguished by the much deeper red tint is from N. India. 
ochrizona. Th. ochrizona Hmps. ForeAving fuscous brown Avith purplish grey suffusion; a broad yelloAA’ish 
white inner band Avith a dark dot on it at costa, its inner edge inangled beloAV the cell, its outer incurved 
on both folds; an obscure redbrown line oblique from costa beyond middle to tornus, followed on costa by a yel- 
loAvish AAdiite patch, and av itli yellowish white scales beyond it on discocellular, Avhere it is incurved; sub¬ 
terminal line of yelloAAdsh white scales; hindwing grey suffused with purplish brown. Muscat, Arabia; described 
from a single $. 
Sect. II. V e i n 3, 4 of hi n d w i n g from cel 1. 
eurynipha. Th. eurynipha Trnr. (26m). Forewing white; the basal area dark brown, limited by a Avaved black 
line, and somewhat reddish at base; the AAdiite median half with its costal edge black, and a Avaved black 
line edging it outwardly, excurved at middle, Avith the area beyond it brown; termen white Avith its inner 
edge dentate and a terminal i’oav of black dots; fringe brown and white; hindwing whitish; the terminal area 
broadly suffused with brown, of which the inner edge is irregular. Birchip, Victoria, Australia. 
argentifrons. Th. argentifrons Bt.lr. (26m). Forewing white faintly tinged with redbrown especially towards termen; 
basal area black brown, the outer edge sinuous; a hiack dot on costa before middle; an oblique triangular black 
brown patch on middle of costa; a black dot at loAver angle of cell; sometimes also an outer dot on costa; a 
diffuse reddish brown outer line from vein 2 to inner margin; a diffused redbrown subterminal band; ter¬ 
men narrowly black above and below middle, defined inwardly by a slight white line, angled outwards at vein 4 
to the fringe which is black and grey; hindwing whitish with fuscous shading. Simla, Dharmsala, the Kangra 
Valley, Punjab; Ivhasia Hills, Assam. 
nigrivittata. Th. nigrivittata Wan. ForeAving white, the terminal area tinged with brown; costal edge blackish 
towards base; median area very broadly black, its inner edge obliquely curved and slightly waved, its outer 
angled inwards on cellfold and submedian interval, outAvardly defined by a fine white line; a black dot on 
termen above tornus; hindAAdng Avhite, the terminal area suffused with brown; a broAvn outer line slightly 
excurved at middle, defined by white on outer side; fringe Avhite tinged Avith broAvn. Described from $$ only, 
from Campbellpur, the Punjab. 
mesozona. Th. mesozona Hmps. (= mediana Stgr.). (Vol. 3, pi. 52f). Forewing ochreous white, the terminal 
area rufous; lines marked on costa by black spots; the subbasal by a triangular one at base of costa; the 
others by smaller spots, produced across Aving as silvery lines; a broad dark grey median band, edged by deep 
black lines, sloping a little from cosia to submedian fold; a black spot at end of cell; termen and fringe 
