R. Takahasln 



G. 



Myzocattis 



M. 



Dilacknus 



J). 



J). 



Lachnus 



Stomaphis 



Anoecia 



Oregma 



0. 



species. 



mushensis n. sp. 

 sasae Mats. ? 

 orientalis n. sp. 

 tahoanus n. sp. 

 liquidambarits n. sp. 

 niita/cayd mi nsis l). sp. 

 liquidambarus n. sp. 

 spe< ?es. 



nnnituitii vail der Gout. ? 



tattakana n. sp. 



Ceratoglyphina bambusae \. d. Goot. 



Cerataphis bambiisifotiae n. sp. 



Aleurodaphis mikaniae n. sp. 



Astegopteryx cuspidatae Kssig et Kuw. 



./. species. 



Formosaphis a. g. micheliae n. sp. 



T< frmii iint ? species. 

 The type specimens are preserved in the entomological laboratory of this 

 Institute. All the figures accompanying this report were mail' by the author. 

 The results of further studies will be published in certain journals in Japan or 

 other countries. 



The author expresses his appreciation of the kind help extended by Dr. 

 T. Shiraki, Chief of the Section of'Economic Zoology, during the course of the 

 work. Grateful acknowledgement is due to Prof. Dr. C. P. Alexander of the 

 Massachusetts Agricultural College of the United States of America, who kindly 

 corrected many errors in English in the manuscript of this paper. The author 

 must also expi-ess his sincere gratitude to Prof. H. Yuasa of the Kyoto Imperial 

 University for the privilege of using his private literature, and to Drs. L. 0. 

 Howard and A. B. Gahan of the Bureau of Entomology in Washington for their 

 kindness in identifying parasitic Hymenoptera. The author's thanks are dm 

 Messrs. J. Sonan and 11. Ivato for the valuable specimens presented to him. 

 Lastly, but in no less degree, the author wishes to express bis thanks to the. 

 Hon. Prof. Dr. K. Oshima, Director of the Department of Agriculture, fa- his 

 kindness in publishing this paper. 



