PLATE LVII. 



Aphis hieracii. (Page 67.) 



Fig. 1. — Apterous viviparous female. 

 Fig. 2. — Winged viviparous female. 



Aphis faefarj;. (Page 68.) 



Fig. 3. — Winged viviparous female. 



Fig. 4. — Variety of the same insect, a. Posterior 

 rings of the abdomen, showing the lateral papillee and 

 obtuse tail. b. Apex of the hinder wing, with its 

 imbrication and hooklet. 



