Heterocera from China, Japan, and Corea, 131 



1 049. Mythimna placida. 



Mifthimna jjlacida, Butl., Ann. and Mag. Nat. Hist., (5) i, 

 p. 79 (1878); 111. Typ. Lep. Het., ii, p. 21, pi. xxviii, 

 fig. 5 (1878). 



There were specimens from Yokohama in Fryer's 

 collection. My native collector took examples at Ningpo 

 in July, and at Gensan in August. I have also received 

 the species from Chang-yang, Omei-shan, Ta-chien-lu, and 

 Ni-tou. 



Varies somewhat in coloration and in the intensity of 

 the dark markings on primaries. 



Distribution. Japan ; Central, Eastern, and Western 

 China ; Corea. 



Genus Arcilasisa. 



Walk.; Hampson, Fauna Brit. Ind., Moths, ii, p. 282 



(1894). 



1050. Arcilasisa plagiata. 



Agrotis plagiata, W^alk., Cat. Lep. Het., xi, p. 740 (1857). 

 Tiracola plagiata, Moore, Proc. Zool. Soc. Lend., 1881, 



p. 352; Lep. Ceyl., iii, p. 34, pi. xxxiv, figs. 1, la 



(1884). 

 Arcilasisa plagiata, Hampson, Fauna Brit. Ind., Moths, ii, 



p. 282 (1894). 



Two specimens from Moupin, taken in June. 

 Distribution. SiKHiM; South India; Ceylon; Borneo; 

 Java {Hampson) ; Western China. 



Genus Auchmis. 



Hlibn. ; Hampson, Fauna Brit. Ind., Moths, ii, p. 283 

 (1894). 



1051. Auchmis polyodon. 



Phaliena p)olyodon, Clerck., Icon., pi. ii, fig. 8 (1759). 

 Noctna perspiiciUaris, Linn., Faun. Suec, p. 317 (17G1) ; 



Hiibn., Noct., pi. Ii, fig. 249. 

 Cloantha pcrspicillaris, Guen., Noct., ii, p. 113 (1852). 



I obtained two specimens at Hakodate in August. 

 Distribution. Europe. — Amurland ; Yesso. 



