PLATE XI. 



Phylloxera c.-fallax Walsh. 



Fig. 71. Migratory female— enlarged 40 diameters. 



Fig. 72. Antenna of migratory female -enlarged 250 diameters. 



Fig. 73. Male— enlarged 40 diameters. 



Fig. 74. Antenna of male— enlarged 250 diameters. 



Phylloxera conicum (Shimer). 



Fig. 75. Stem-mother— enlarged 40 diameters. 



Fig. 76. Antenna of stem-mother — enlarged 250 diameters. 



Fig. 77. Antenna of migratory female— enlarged 250 diameters. 



Fig. 78. Mature gall, vertical section— much enlarged. 



Phylloxera c.-avellana Riley 



Fig. 79. Migratory female— enlarged 40 diameters. 



Fig. 80. Antenna of migratory female— enlarged 250 dhimeters. 



Fig. 81. Mature gall, vertical section— much enlarged. 



