PLATE IX. 

 Phylloxera c.-septum (Shimer). 

 Fig. 46. Mature gall, vertical section— enlarged. 

 Phylloxera c -folia Fitch. 

 Fig. 47. Mature gall, vertical section - enlarged. 



Phylloxera picta Pergande, n. sp. 



Fig. 48. Mature gall, vertical section— enlarged. 



Phylloxera pilosula Pergande, n. sp. 



Fig. 49. Mature gall, vertical section— enlarged. 



Phylloxera c -semen Walsh. 



Fig. 50. Mature galls, above and beneath— natural size. 

 Fig. 51. Mature gall, vertical section- enlarged. 



^ Phylloxera c.-fallax Walsh. 



Fig. 52i Mature galls, above and beneath- natural size. 

 Fig. 53. Mature gall, vertical section— enlarged. 



Phylloxera rimosalis Pergande, n. sp. 



Fig. 54. Mature gall, vertical section — enlarged.- 



Phylloxera c.-scissa Riley. 



Fig- 55. Mature gall, vertical section— enlarged. 



Fig. 56. Mature gall, showing transverse slit— natural size. 



