PLATE LXXI. 



Aphis opima. (Page 101.) 



Fig. 1. — Green variety of apterous female. 



Fig. 2. — Black variety of the same. 



Fig. 3. — Winged viviparous female. 



Fig. 4. — Young specimen recently born, showing 

 the rings with their segmented or quasi-plated cha- 

 racter, h. Apical rings viewed from below, d. Head 

 and antenna of winged female. 



