list of homopterous insects. 1019 



206. Aphis conviva. 

 Aphis conviva, Walk. Zool. vii. App. xxxvi. 

 England. 



207. Aphis nociva. 



Aphis nociva, Walk. Zool. vii. App. xxxvi. 



Distance between the first and second veins full twice farther 

 at the tips than at the base ; third as near to the second at the tip 

 as at the base, farther from the second at the base than the second 

 is from the first ; first 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 as near to the fourth vein as to the first fork ; 

 fourth vein much curved near the base, almost straight towards the 

 tip, a little farther from the tip of the rib-vein than from the second 

 fork. 



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



208. Aphis consona. 



Aphis consona. Walk. Zool. vii, App. xxxvi. 

 England. 



209. Aphis bellula. 



Aphis bellula, Walk. Zool. vii. App. xxxvi. 

 England. 



210. Aphis transmutata. 



Aphis transmutata. Walk. Zool. vii. App. xxxvii. 



Distance between the first and second veins more than twice 

 farther at the tips than at the base ; third vein farther from the se- 

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

 the second is to the first ; first fork generally nearer to the second 

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

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

 to the first fork ; fourth vein curved, straight near the tip, a little 

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



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



3 u 2 



