PLATE IV. 



Phylloxera deplanata Pergande, n. sp. 



Fig. 21. Mature galls, above and beneath— natural size. 

 Fig. 22. Mature galls, above and beneath — natural size. 

 Fig. 23. Mature gall, vertical section — much enlarged. 



Phylloxera rimosalis Pergande, n. sp. 



Fig. 24, Mature galls, above and beneath— natural size. 



Phylloxera c.-scissa Riley. 



Fig. 25. Mature galls, above and beneath— natural size. 



