LIST OF HOMOPTEROUS INSECTS. 1013 



172. Aphis conjuncta. 



Aphis conjiincta, Walk. Zool. vi. 22?0. 



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



173. Aphis basalis. 



Aphis basalis, Walk. Zool. vi. 2220. 



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



174. Aphis familiaris. 

 Aphis familiaris, Walk. Zool. vi. 2220. 



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



175. Aphis adjuvans. 



Aphis adjuvans, Walk. Zool. vi. 2220. 



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



176. Aphis adscita. 



Aphis adscita, Walk. Zool. vi. 2220. 



Distance between the first and second veins thrice farther at the 

 tips than at the base ; third a liiile larther Irom the second at the 

 base than the second is from the first ; tirst fork nearer to the second 

 fork than to the third vein, hardly nearer to the third vein than the 

 third is to the second ; second fork a little nearer to the first fork 

 than to the fourth vein ; fourth vein much curved, a little nearer to 

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



Var. Second fork a little nearer to the fourth vein than to the 

 first fork, 



Var. Second fork very short. 

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



