Vol. \'III] ESSIG & KUWAN A—SOME JAPANESE APHIDID^ 



cotypes 



65 



W py g. A pyg. 



Figure 13. — Siphocorync bicaitdafa, new species 



EOE del. 



a very long, reflexed horn extending back over the full length 

 of the Cauda, with two spines near the tip. Cornicles pale 

 green with tips dusky, somewhat recurved, imbricated through- 

 out and 0.3 mm. long. Cauda dusky to black, 0.13 mm. long. 



Host plant — Yanagi (willow), Salix, species. 

 Locality — Tokyo. 

 Date of collection — May 13, 1913. 

 Collection number — 53. 



Note — This species is close to Nipposiphum salicicola Mats., 

 but differs in having sensoria on articles IV and V of the an- 

 tennae of the winged forms. 



