98 Mr. J. H. Leech on Lepidoptera Heterocera 
collection. I obtained the species at Gensan in July, and my 
native collector took specimens at Hakodate in the same 
month. 
I have received examples from Chang-yang and Chia-kou- 
ho. 
Distribution. Amur; Japan; Yesso; Corea; Central and 
Western China. 
Acidalia superior. 
Asthena superior, Butl. Ill. Typ. Lep. Het. iii. p. 39, pl. 1. fig. 9 (1879). 
A series from Yokohama and Oiwake in Pryer’s collection. 
I captured specimens at Ningpo in April, at Tsuruga and 
Gensan in July. My native collector took the species at 
Ningpo in June and also in the isle of Kiushiu. I have 
received specimens from Chang-yang, Ichang, and Omei- 
shan, where they were taken in June and August. 
Distribution. Japan; Kiushiu; Corea; Central, Western, 
and Northern China. 
Acidalia nupta. 
Asthena nupta, Butl. Ann. & Mag. Nat. Hist. (5) i. p. 401 (1878); Il. 
Typ. Lep. Het. iii. p. 39, pl. 1. fig. 6 (1879). 
There were some specimens in Pryer’s collection. I 
obtained the species at Fusan in June, and my native collector 
met with it in the island of Kiushiu. 
Distribution. Japan, Kiushiu, and Corea. 
Acidalia pulveraria, sp. n. 
White, powdered with greyish. Primaries have an oblique 
dusky diffuse line just beyond the middle and a more distinct 
dusky waved line parallel with the outer margin; the space 
between these lines is less powdered with greyish than the 
rest of the wing; submarginal line white and wavy. Second- 
aries with markings as on primaries. Fringes greyish, pre- 
ceded by an interrupted blackish line. Under surface 
whitish: primaries suffused with fuscous, except on inner 
and outer margin, dusky lines as above: secondaries have a 
black discal dot and an obscure dusky transverse line beyond 
the middle. 
Expanse 22-30 millim. 
One example of each sex from the island of Kiushiu, taken 
in June, and I took seven specimens in Satsuma in May. 
There were two males in Pryer’s collection. 
Hab. Japan and Kiushiu. 
Allied to A. (Idea) peralba, Swinh. 
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