Vol. VIII] ESSIG & KUWANA—SOME JAPANESE APHIDIDM 41 



Pear, Japanese or Chinese 

 Aphis pomi DeGeer 



" siphonella, new species 

 " somei, new species 

 Prociphilus pyri (Fitch) 

 Rhopalosiphitm nymphcece (Linn.) 

 T ox opt era piricola Mats. 

 Petasites japonicus F. Schmidt (Fuki) 



Aphis gossypii Glover 

 Pharbitis hederacea Jacq. (Asagao). See Ipomoea hederacea 



Jacq. 

 Pinits densiUora S. & Z. (Aka-matsu) Japanese red pine 



Lachnus pinidensiftorce, new species 

 Platycodon grandiHorum DC. (Kikyo) Chinese or Japanese 

 bellflower, Balloon flower. 

 Macrosiphuui riidheckice (Fitch) 



Plum 



Rhopalosiphitm nymphcece (Linn.) 

 Podocarpus chinensis Wall. (Maki). See P. macrophylla maki 



Sieb. 

 Podocarpus macrophylla maki Sieb. (Maki) 



Phyllaphis, species? 

 Poncinis trifoliata Raf. (Karalcahi) Trifoliate orange 



Rhopalosiphum magnolice, new species 

 Poteriiim oiUcinale A. Gray (Waremokau) 



Aphis medicaginis Koch 



Potato 



Aphis gossypii Glover 

 Primus mnrne S. & Z. (Ume) Japanese apricot 



Rhopalosiphum nymphcccB (Linn.) 

 Qiiercus den fata Thunb. (Kashiwa) 



Mysocallis macrotuberculata, new species 



Pterochlonis tropicalis Van der Goot 

 Quercus serrata Thuv^. (Kiinugi) 



Myzocallis, species 



" capitata, new species 



" kuricola (Mats.) 



Pterochlonis tropicalis Van der Goot 



Trichosiphum kiiwanai Pergande 



