1012 LIST OF HOMOPTEBOUS INSECTS. 



167. Aphis commoda. 



Aphis commoda, Walk. Zool. vi. 2219. 



Distance between the first and second veins full thrice farther 

 at the tips than at the base ; third a little nearer to the second at the 

 base than at the tip, much nearer to the second at the base than the 

 second is to the fust ; first fork a little nearer to the second fork than 

 to the third vein, nearer to the third vein than the third is to the se- 

 cond ; second fork a little farther from the fourth vein than from the 

 first fork ; fourth vein curved, straight towards the tip, nearer to the 

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



Var. First fork a little farther from the second fork than from 

 the third vein ; second fork a little nearer to the fourth vein than to 

 the first fork. 

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



168. Aphis frequens. 

 Aphis frequens. Walk. Zool. vi. 2219. 



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



169. Aphis Lycopsidis. 



Aphis Lycopsidis, Walk. Zool. vi. 2219. 



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



170. Aphis consueta. 

 Aphis consueta, Walk. Zool. vi. 2219. 



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



171. Aphis adjuta. 



Aphis adjuta, Walk. Zool. ?i. 2220. 



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



