26 



RHOPALOCERA NIHONICA 



78. Vanessa xanthomelas, 3chiff. (Pi. 6， fig. i〇.） 



Locality ― Yokohama. 



Food-plants ― Willows and Celt is sinensis, Pers. 

 Time of appearance ― August to April. 



Very abundant about Yokohama. It feeds on Willows, but is more often found on the Celtis, large 

 trees being frequently completely stripped of leaves by the larvoe. Only one brood appears during the 

 year, and the perfect insect hybernates. 



79- Vanessa urticae, Linn. (Pi. 6, fig. 8.) 



F. butler i, Fen ton. 



Locality ― Yezo. 

 Time of appearance ― 



This species is common in Yezo ； I have not yet found it on the main island. 



80. Vanessa io, Linn. (Pi. 6, fig. n.) 



Localities ― Yezo, Niigata NikUo, Usui-toge. 

 Time of appearance ― June, July. 



Mr. J. M. Leech remarks concerning this species (P.Z.S. 1887, p. 241): " Not very common in 

 Central Japan, where it keeps to the mountains, but plentiful in Yesso and Korea." 



Si. Vanessa antiopa, Linn. (Pi. 7， 1') 



Localities ― Niltko, Yezo. 



Time of appearance ― August to May. 



Common at Nik ko and in Yezo ； not found away from the mountains. 



お. Vanessa cardui, Linn. (Pi. 7， fi g- 2 -) 



Localities ― Yokohama, Maibashi, Yezo. 



Food-plant ― Plume thistles (Cuicus). 



Time of appearance ― August, Septembr, November. 



Rare in the neighbourhood of Yokohama. 



83. Vanessa callirhoe, Fab. (Pi. 7, fig- 3-) 



Pap i Ho atalanta "idica, Hei bst. 



Localities ― Yokohama, Yezo. 



Food-plant ― Boelimeria nivea, Hook and Am. 



Time of appearance ― January, March, August, November. 



Many broods appear in the course of the year. I have liad them emerge from the pupa in January. 

 It is very common about Yokohama. 



