PLATE LXVII 
Forms of Aphis pom 
Fig. i.—Winged viviparous female. 
Fig. 2.—Male. 
Fig. 3.—Pupa. 
Fig. 4.^0viparous female. 
Fig. 5.—Wingless viviparous female. 
Fig. 6.—Intermediate. 
(994) 
