1010 LIST OF HOMOPTEROUS INSECT8. 



157. Aphis tenuinervis. 



Aphis tenuinervis, Zett. Ins. Lapp. i. 2, 310, 9. 

 Lapland. 



158. Aphis fuscipennis. 



Aphis fuscipennis, Zett. Ins. Lapp. i. 2, 311, 11. 

 Lapland. 



159. Aphis Cynoglossi. 

 Aphis Cynoglossi, Walk. Zool. vi. 2217. 



Distance between the first and second veins at the tips about 

 twice that between them at the base ; third much nearer to the se- 

 cond at the base than at the tip, as near to the second at the base as 

 the second is to the first ; first fork at the tip much nearer to the se- 

 cond fork than to the third vein, a little nearer to the third vein than 

 the third is to the second ; second fork as near to the fourth vein as 

 to the first fork ; fourth vein curved near the base, straight towards 

 the tip, nearer to the second fork than to the tip of the rib-vein. 



a. England. Presented by F. Walker, Esq. 



160. Aphis socia. 



Aphis socia, Walk. Zool. vi. 2217. 



Distance between the first and second veins at the tips about 

 thrice that between them at the base; third a little farther from 

 the second at the tip than at the base, a little farther from the se- 

 cond at the base than the second is from the first ; first fork at the 

 base very much nearer to the second fork than to the third vein, as 

 near to the third vein as the third is to the second ; second fork 

 nearer to the first fork than to the tip of the fourth vein ; fourth vein 

 much curved, a little nearer to the second fork than to the tip of the 

 rib-vein. 



a. England. Presented by F. Walker, Esq. 



