Heteroccra from China, Japan, and Corca. 101 



Acronyda laporma, var. Icporclla, Stand., Rom. sur Lep., vi. 

 p. 383 (1892). 



There were two .specimens from Oiwake in Fryer's 

 collection. 

 Distribution. Europe. — Amurland ; Japan. 



960. Acronyda cuspis. 



Nod'ua cuspis, Hiibn., Noct., fig. 504. 



Acronyda cusp)is, Treit., Schinett., v, 1, p. 32 (1825); Leech, 



Proc. Zool. Soc. Lond., 1889, p. 474. 

 Acronyda Icucocuspis, But!., Ann. and Mag. Nat. Hi.st., (5) 



i, p. 78 (1878) ; 111. Typ. Lep. Het., ni, p. 12, pi. xliv, 



fig. 2 (1879). 



Two specimens from Oiwake in Fryer's collection, and 

 I obtained one example at Gensan in July. 

 Distrihution. Europe. — Amurland; Japan ; Corea. 



961. Acronyda pd. 



Nodua pisi, Linn., x, p. 574. 



Acronyda psi, Treit., Scbmett., v, 1, p. 30; Dup., Hist. Nat. 

 Lep. France, vi, p. 218, pi. Ixxxiii, fig. 1. 



I obtained specimens at Gensan and Fushiki in the 

 months of June and July, and the species is recorded from 

 several localities in Amurland. 



One example from Fushiki has darker secondaries than 

 any European specimen that I have seen. 



Distrihution. Europe. — Amurland ; Corea. 



902. Acronyda tridcns. 



Nodua tridcns, Esp., Scbmett., iv, pi. 115, figs. 5, 8. 

 Acronyda tridcns, Treit., Scbmett., v, 1, p. 26 (1825); Leech, 



Froc. Zool. Soc. Lond., 1889, p. 475. 

 Acronyda increta, Butl., Ann. and Mag. Nat. Hist., (5) i, p. 



78 (1878) ; 111. Typ. Lep. Het, iii, p. 12, pi. xliv, fig. 3 



(1879). 



I have specimens from Yokohama, Gensan, and Wa-ssu- 

 kow ; these are referable to increta, Butl., which I consider 

 to be a large dark form of A. tridcns. 



Distrihution. Europe. — Amurland ; Japan ; Corea ; 

 Western China 



