304 LEUCODONTA; 0CHR0STIG]\L4. By Dr. K. Grunberg. 



nent white spot ; abdomen gre^nsh brown, apex and anal tuft dark brown. Forewing dark reddish brown 

 with black basal dot, discoccllular vein black, beyond the cell a blackish shadow obliquely extending to the 

 costal margin, a narrow black dentate line before the distal margin ; the silver-spots with a slight golden gloss 

 and somewhat variable in size and position, the 3 largest spots in an oblique transverse row from the cell to 

 the limd margin beyond the blackish broAvn tooth of scales. Hindwing light greyish brown to yellowish grey. 

 ■ — Ussuri district; Japan. Larva on Oak. 



argenlifera. S. argentifera Walk. (46 f). Forewing pale brown, darkened before the apex, in the centre of the distal 



margin and especially between cell and huid margin; along the hind edge of cell a long silver-stripe reaching 

 to the lower cell-angle and beyond it between veins 3 and 4 an additional small streak, which is sometimes 

 broken up into several dots. Hindwing dark greyish brown. — The species is South-Asiatic, but occurs north- 

 ward to Kashmir. 

 ornata. S. ornata Oberth. (46 f). Forewing broader than in the other species, dark reddish or violet brown, 



with narrow but deep excision at hind margin beyond tooth of scales; costal margin light grey to near apex, 

 a white longitudmal smear between discoccllular vein and distal margin ; on the disc several blackish transverse 

 lines, before the margin a less distinct submarginal Ime; at lower angle of cell a silver-spot. Hind^ving paler 

 or darker greyish brown. — Ussuri district; Japan. 



macrodonUt. S. Hiacrodonta Bull. (= Rosama m.). Forewing variegated with grey and reddish brown, costal mar- 



gin light grey to near apex, interrupted above apex of cell by a dark brown spot and posteriorly edged with 

 dark brown; below apex a yellow longitudmal stripe which reaches to the distal margm; basal and central por- 

 tions of hind marginal area golden yellow, densely dusted with bright dark red scales and bearing spots of 

 this colour in the middle and distally; a row of dark brown submarginal spots which bear reddish arcs on the 

 proximal side; the large tooth of scales at the hind margin reddish. Hindwing pale greyish broMTi. — Northern 

 China; Japan. 

 cinnamo- S. cinnamomea Leech (= Rosama c.) (46d). Forewing dull cinnamon, with a darker shadow extend- 



mea. j^g from the apex to tiie central, discal spot and pre- and postdiscal and submarginal lines blackish. Hind- 

 wing dark greyish brown. A small species, which recalls ornata Oberth. by its broad wings, but the hind mar- 

 gm is only shallowly incurved and the tooth of scales is much less prominent. — Japan. 



25. Genus: Ijeiieo«1oiita Stgr. 



Antennae in (J serrate to the tip, the teeth with long fascicles of cilia, in $ simple, setiform, with very 

 short cilia. Palpi short, little extending beyond frons. Proboscis vestigial. Eyes naked; no ocelli. Thorax 

 and legs with loose woolly hair; hair of abdomen shorter. Forewing broad, similar to that of Spatalia, but 

 the costal margin slightly and evenly curved, the apex rather more rounded, the distal and hind margins straight, 

 tlic latter with a broad tooth of scales before the middle; veins 6, 7, 8, 9 stalked from upper cell-angle, 10 

 from cell, anastomosing with stalk of 7, 8, 9 and forming a long narrow areole. Hind^ving broad, evenly 

 rounded, veins 6 and 7 on a very long stalk, the free ends only about half the legth of the stalk or still shorter. 

 Hind tibia with mid- and end-spurs. — Larva smooth, very sparsely and dispersedly hairy, with 16 feet and 

 without tubercles. Pupa slender, cylindrical, with rounded anal end. 

 The only known species is 



bicoloria. L. bicolofia Schiff. (= bicolora F., tormentoria Goeze) (46 f). Pure white, the forewing with a trans- 



verse row of bright ochreous, proximally black-edged spots, commencing at the anterior margin of the cell 

 and becoming much wider towards the hind margin; in the distal half a transverse row of blackish spots, of which 

 only tlie last one is prominent, standing in a broad yellow patch before the hind margin. Collar white or yellow. 

 Central and Eastern Europe in mountainous districts, on the whole sporadic, and rare in many places, north- 

 ward to the Baltic provinces and Finland, eastward to the Ural and the Carpathians; Amur and Ussuri di- 

 albida. stricts, Japan. ■ — The species occurs in two light forms in Eastern Asia and Russia, albida Bdv., whose fore- 



unicolora. wing is almost without markings, and unicolora J/e'?i., which is entirely white excepting a few black scales in 

 the forewing. The former occurs in Northern Europe as far as Finland, and the latter is found in the Baltic 

 provinces and is the predominant form in Eastern Asia. — Egg slightly convex, glossy, white, yellowish or green- 

 ish. Larva glossy, 3'^ellowish green, with some darker yellow dorsal longitudinal lines and a similar stripe 

 below the intensely black stigmata; legs and anal claspers ringed with black. July^ — ^August on Birch. Pupa 

 black-brown, in a white cocoon on the ground between f alien-off beaves. 



26. Genus: Oohrostiguia Hbn. 



Antenna of ^ pectinate to the tip, of 9 very feebly serrate and ciliate. Palpi short. Proboscis vesti- 

 gial. Eyes naked; ocelli small. Thorax with a broad erect tuft of hair between the patagia. Abdomen with 

 short smooth hair, legs with long woolly hair. Hind tibia with mid- and end-spurs. Forewing similar to 

 that of Leucodonta, but the costal margin straighter, the apex rather more pointed, the hind margin in the 



