FAMILY APII1DID.E 



125 



Fig. so. — The corn-root aphis (Aphis maidi-radicis) : winged female. 

 Much enlarged. (Webster, Div. Ent., U. S. Dept. Ag.) 



Fig. 81 Fig. 82 



Fig. 81. — The corn-root aphis (ApJds muidi-radicLs) : wingless female. 

 Much enlarged. (Webster, Div. Ent., U. S. Dept. Ag.) 

 Fig. 82. — Aphis on apple. (Photo from Ohio Exp. Sta.) 



