Heterocera from China, Japan, and Corea. 339 
Three specimens have been received from Kia-ting-fu and 
one from Chang-yang. 
The species varies in size, the average expanse being 
57 millim. In some specimens the band of the primaries 
is much broader than in the type and in others the white 
portion of the secondaries is much obscured by enlarge- 
ment of the central black band; in others again the 
central band of the secondaries is much reduced. 
Distribution. JAPAN; COREA; NortTH, CENTRAL, and 
WESTERN CHINA. 
228. Pidorus geminus. 
Laurion gemina, Walk., Cat. Lep. Het., ii, p. 427 (1854). 
Pidorus geminus, Hampson, Fauna Brit. Ind., Moths, 1, 
p. 254 (1892). 
One male specimen captured at Omei-shan in May or 
June. 
Distribution. HONGKONG; SIKHIM; SYLHET; MOUL- 
MEIN; CAMBODIA; BorNEO (Hampson); WESTERN 
CHINA. 
229. Pidorus euchromoides. 
Hierusia euchromoides, Walk., Cat. Lep. Het., Suppl. i, 
p. 120 (1864). 
Laurion euchromoides, Kirby, Cat. Lep. Het., i, p. 53 
(1892). 
Two male specimens and one female taken at Gensan 
in July. 
Distribution. NORTHERN CHINA; COREA, 
230. Pidorus fasciatus, sp. 0. 
¢ All the wings black with a yellow central fascia, broadest on 
secondaries. The fascia on primaries is oblique, sometimes slightly 
curved ; fascia of secondaries curved and slightly indented on its 
inner edge. Under surface as above. 
The fascia on all the wings rather broader. 
Expanse 38—41 millim, 
Three male specimens and five females from Omei-shan, 
and one male from Moupin ; all taken in May and June. 
Hab, WESTERN CHINA. 
