DASYTHORAX. By W. Warren. 143 



D. juditha Stgr. (34 i). Forewing pale yellowish, with slight brown grey irroration, which is strongest juditha. 

 in cell and along submedian interspace; lines grey, edged with yellowish, the outer dentate on the veins; sub- 

 terminal line pale, also dentate, preceded by a brownish shade; orbicular stigma yellow with brown centre; 

 reniform large and yellowish with a grey line in it; hind wing brownish ochreous, darker along termen; 

 fringe yellowish white. Palestine. 



D. bacheri Pueng. (34 i). Forewing rufous ochreous with grey suffusion, strongest in lower half of bacheri. 

 median area and beyond inner line; the lines as in juditha; orbicular stigma pale, round; reniform larger, 

 both defined by brown ; subterminal line preceded by dentate dark marks ; hindwing ochreous white with brown 

 outer line and suffused submarginal cloud. Like the preceding from Palestine. 



Sect. II. Antennae of <J serrate with sessile fascicles of cilia. 



D. haeretica Pueng. (34 i). Forewing dirty white with grey irroration; inner and outer lines slender, haeretica. 

 blackish, the inner waved, the outer dentate; the cell fuscous, defining the stigmata, which are of the ground 

 colour edged with black; outer line followed by a dark suffused band which is outwardly limited by the sub- 

 margiual line; hindwing pale dull grey. W. Turkestan. 



D. anceps Stgr. Forewing dull white with fuscous dusting, the median and terminal areas suffused anceps. 

 with fuscous, also the base of cell; the two lines indistinct; upper stigmata pale, ill-defined; outer line followed 

 by a pale space; submarginal line obscurely marked, the terminal area beyond it darker; hindwing yellowish 

 white, tinged with fuscous, darker towards termen in $, in the $ more uniformly fuscous except along costa. 

 Syria and Palestine. 



D. eristicum Pueng. (34 i). Forewing redbrown on a grey ground; lines indistinct and partially inter- eristicum. 

 rupted, marked clearly only on costa; a dark suffusion along inner margin near base; stigmata pale but in- 

 distinct; submarginal line preceded on costa by a dark patch, the termen dark beyond it; fringe mottled 

 -brown and whitish; hindwing paler redbrown, with darker cell spot, outer line, and submarginal shade. 

 Aksu, Mongolia. 



Sect. III. Antennae of <$ lamellate, simple. 



D. tibetanutn Stgr. (35 a). Forewing slaty grey dusted with dark grey, on a dull yellowish ochreous libeianum. 

 ground, which shows in the stigmata, along the course of the lines, and at base of submedian interspace; 

 lines black, distinct, the inner double, waved, the outer dentate-lunulate; stigmata grey and yellow; sub- 

 marginal line dull yellowish, the terminal area beyond it dark grey; termen spotted, dark and light; fringe grey; 

 hindwing uniform brownish fuscous with pale yellow fringe. Kuku Nor and Amdo, Tibet; Ta-chien-lu, W. China. 



53. Genus: Dasy thorax Stgr. 



Resembles Dasy sternum in most respects, but the forewing has the apex and outer margin strongly 

 rounded. Type Dasythorax polianus Stgr. 



D. polianus Stgr. (35 a). Forewing olive grey dusted with ochreous scales, the central area rather polianus. 

 darker grey, especially above inner margin; lines thick, dark grey, the inner oblique, sinuous; the outer 

 dentate; stigmata faint, with indistinct outlines; submarginal line just traceable; fringe whitish, faintly che- 

 quered. W. and E. Turkestan. 



D. anartinus Pueng. (35 a). Like polianus, but with a dark patch on costa beyond subbasal line; anarlinus. 

 the stigmata obsolete; a diffuse median shade obscuring the inner median area; submarginal line a series of 

 indistinct yellowish spots, preceded by dentate dark marks; fringe mottled yellowish and fuscous; hindwing 

 greyish fuscous with slight purple gloss; fringe yellowish white. W. Turkestan. 



D. hirsutula Alph. (35 a). Forewing olive grey, the lines and stigmata showing paler ; inner line oblique, Mrsulula. 

 outer incurved and dentate; submarginal interrupted into pale spots; fringe grey; hindwing pale dingy grey, 

 with the veins dark. Kashgar, E. Turkestan; ? Switzerland, the Engadine. 



D. hirsuta Stgr. (35 b). Forewing olive fuscous dusted with darker, almost totally obscuring the hirsuta. 

 underlying ochreous ground colour, which shows only on the edge of the dark lines, especially the submarginal; 

 reniform only a slight dark lunule; fringe deep, the basal half fuscous, the outer mottled with paler; hindwing 

 glossy grey, the fringe pale. Switzerland; Persia, W. Turkestan. • 



D. rasilis Pueng. (35 b). Like hirsuta, but paler and longer- winged ; the markings more visible; rasilis. 

 underside uniform glossy ochreous grey, without any markings. Issykkul, W. Turkestan. 



D. simplex Stgr. (35 a, b). Forewing glossy mouse-grey, with two very faint darker lines and linear simplex. 

 cell-mark; the outer line bisinuate, outcurved in upper, incurved in lower half of wing; a fine yellowish line 

 at base of fringe; hindwing grey, paler near base. Kuldja. 



