from China ^ Japan, and Corea. 79 



central, and subinarpjinal brownish lines, most conspicuous on 

 the costa ; the primaries have a brownish dot on costa between 

 central and submarginal lines, and the secondaries have a 

 brownish discal spot. Fringes of the ground-colour preceded 

 by a series" of minute black dots. Under surface whitish 

 ochrcous ; primaries suffused with fuscous brown on costal 

 portion of basal half; costa beyond tinged with darker 

 ochreous. 



Expanse 27 miliim. 



One male specimen from Pu-tsu-fong : June or July. 



JJab. Western China. 



Hydrelia stramineariaj sp. n. 



Pale stramineous. Primaries with four and the secondaries 

 •with three transverse dusky lines, the outer two in each case 

 wavy and double ; on tiie primaries there is a bhickish dot 

 at tlie costal extremity of the second and third lines; all the 

 •wings have a blackish discal dot. Under surface whitish ; 

 primaries tinged with stramineous on the apical and outer 

 marginal areas, and clouded witii fuscous on costal portion of 

 basal area; there is an angulated and sinuous fuscous central 

 line, and a double wavy line beyond also fuscous : secondaries 

 have indications of two fuscous transverse lines j discal dots 

 as above. 



Expanse 33 miliim. 



One male speciujcn from Wa-shan : June. 



Hob. Western China. 



Hydrelia albidaria, sp. n. 



White, with slight creamy tinge. Primaries have a black 

 discal dot and four dusky, wavy, transverse lines, the third 

 double ; secondaries have three such lines, the middle one 

 double. Under surface white ; primaries fuscous on costal 

 portion of basal area and traversed by three wavy fuscous 

 lines, the central one well defined; secondaries have two 

 fuscous lines ; all the wings have a black discal dot, and the 

 fringes are preceded by an interrupted blackish line. 



Expanse 30-32 miliim. 



One male specimen from Chia-kou-ho, a female from Chia- 

 ting-fu and one from Wa-shan : June and July. 



1 have described the female from Chia-ting-fu, as the 

 markings are more distinct in this particular specimen than 

 in either of the others. 



Hah, Western China. 



