2op Takahashi : Six species of Aphididae. 



m m m 



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1916 P. Van der Goot. Beiträge zur Kenntnis der hollandische Blattläuse, 



1917 C. M. Weed. Life histories of American insects. 



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1918 W. M. Davidson. Alternation of hosts in economic Aphids. Jour. Econ. 

 Ent. p. 279, 



RPZSUMf: 



Phyllaphis fagifoliae n. sp. 



Winged viviparous female (stem-mother) 



Colour characters : pale yellow ; eyes red ; antennae nearly colourless, excepting 

 the apices of the joints black ; mesothoi;ax yellow, wings and veins nearly col- 

 ourless ; legs white ; gonapophyses brown. 



Morphological characters : body much elongated with thready and cottony white 

 secretions, but lacks hairs; frontal tubercles short; rostrum not reaching to the 

 2nd coxae; antennae slender, the relative length of the joints is as follows: (I) 

 1 1, (II) 12, (III) 55, (IV) 33, (V) 28, (VI) 25 (21 -f-4); the 3rd joint with about 

 five sensoria In a single row, wings ample; veins usual; hookletstwo; cornicles 

 not distinct ; cauda constricted at the base ; genital plate sinuated at the middle; 

 gonapophyses two ; legs long and slender, with many fine hairs. 



