PLATE LVIII. 



Aphis petasitidis. (Page 69.) 



Fig. 1. — Pupa. 



Fig. 2. — Winged viviparous female, showing tte 

 birth of the youngj tail foremost, and their envelop- 

 ment in a delicate membrane. 



Aphis epilobii. (Page 71.) 



Fig. 3. — Apterous viviparous female. 

 Fig. 4. — Winged viviparous female, a. Head and 

 antennae of the same. 5. Tail and cornicles. 



