Vol. VIII] ESSIG & KUWANA-SOME JAPANESE APHWID2E 



67 



A ant 



A pyg. 



W corn. t> pe 



EOE del. 



W pyg. 

 type 



Figure lA.—Siphocoryne japonica, new species 



Remarks— This species is very close to Siphocoryne bicau- 

 data, but has a very much smaller abdominal horn in winged 

 and apterous forms and many more sensoria (about twice as 

 many) on the antennse of the winged forms. 



Aphis avenae Fab. 

 Two lots taken as follows : 



1. Winged and apterous viviparous females on Omugi, Hor- 

 deum vulgare Linn, (listed as H. sativum vulgare), Nishi- 

 gahara, Tokyo, May 28, 1913. 



2. Apterous viviparous females on wheat, Nishigahara. 

 Tokyo, May 28, 1913. Collection number 66. 



