of Lepidoptera Heterocera from Japan. 387 
Local distribution. Honpbo ; Kytsxt (Nasasaki). 
General distribution. N. CHINA; C. CHINA; TIBET; 
KASHMIR ; SIMLA. 
Collection numbers, 1502, 1541 and 1542, Japan. 
Genus PIONEA. 
Guenée, Delt. et Pyr., p. 367 (1854); Hampson, Fauna 
Brit. India, Moths, p. 422 (1896). 
417. 
Pionea stigmatalis, sp. n. 
d. Forewings greyish freckled with darker, the outer marginal 
area, limited by a serrated blackish line, dark grey, almost blackish ; 
the stigmata, especially the outlines, are darker than the ground 
colour; there are two black dots on the costa just before the sub- 
marginal line, another on the line and two others between the line 
and the apex of the wing; fringes dark grey preceded by an inter- 
rupted black line. Hindwings whitish, the outer margin bordered 
with dark grey ; submarginal line dark grey, obscure towards the 
inner margin. Underside similar to above, but the dark marginal 
borders are absent, and the hindwings have a black, discal lunule 
and a dot at lower angle of the cell. 
Expanse 27 mm. 
Allied to P. prunalis, Schiff. 
Male type from Yoshino, Yamato, October, 1899. In 
poor condition. 
Local distribution. Honpo. 
Habitat. JAPAN. 
Collection number, 1496. 
418. 
Pionea (?) plagialis, sp.n. (Plate XXXI, fig. 10.) 
dg. Whitish, semihyaline, with brownish transverse lines. The 
forewings have a brownish patch on the middle of the inner margin, 
a brownish round spot in the cell, and two linear marks at outer 
extremity of the cell; the antemedial, postmedial, and submar- 
ginal lines are outwardly angled about the middle. The hindwings 
have a brownish discoidal spot, and from this a line of the same 
colour runs to the inner margin; postmedial line obscure towards 
the costa; submarginal line angled at the middle. Fringes white 
