LIST OF HOMOPTEROUS INSECTS. 977 



to the second fork, not half so far from the third as the third is from 

 the second ; second fork much nearer to the fourth vein than to the 

 first fork; fourth vein long-, hardly curved, nearer to the second fork 

 than to the tip of the rib-vein. 



a—f. England. (In Canada Balsam). From Mr. Walker's collec- 

 tion. 



72. Aphis Rosarum. 



Aphis Rosarum, Kalt. Mon. Pflan. i. 101, 76. Walk. Ann. Nat. 

 Hist. Ser. 2, iii. 302, 64. 



a — y. England. (In Canada Balsam). From Mr. Walker's col- 

 lection. 



73. Aphis Avellanje. 



Aphis Avellanae, Schrank, Faun. Boic. ii. 112, 1207. Kalt. Mon. 



Pflan. i. 143, 116. Walk. Ann. Nat. Hist. Ser. 2, iii. 304, 



65. 

 Aphis Coryli, Sir Oswald Mosley, Gard. Chron. i. (1841), 628. 



Distance between the first and second veins at the tips thrice 

 that between them at the base ; third farther from the second at the 

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

 than the second is from the first ; first fork very much nearer to the 

 second fork than to the third vein, as near to the third as 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 — v. England. (In Canada Balsam). From Mr. Walker's collec- 

 tion. 



74. Aphis Urticaria. 



Aphis Urticaria, Kalt. Mon. Pflan. i. 57, 39. Walk. Ann. Nat. 



Hist. Ser. % iv. 41, 66. 

 Aphis Urticae, Fonscol. Ann. Soc. Ent. Fr. x. 180, 21. 



Distance between the first and second veins at the base much 

 less than half that between them at the tips; third much farther 



