PLATE LXX. 



Aphis sambuci. (Page 99.) 



Fig. 1. — Young specimen, showing the rostrum of 

 disproportionate dimensions. 



Fig. 2. — Apterous viviparous female. 



Fig. 3. — Another example, feeding on a stalk of the 

 elder tree. 



Fig. 4. — Winged viviparous female. 



Fig. 5. — Myrmica rubra, drinking the honeydew 

 from the cornicle of the Aphis larva. The long 

 antennge of the ant are used for " drumming " the 

 sides of the Aphis, apparently as a signal to the Aphis. 



