LIST OF HOMOPTEROUS INSECTS. 987 



87. Aphis Sorbi. 



Apliis Sorbi, A'a/<. 3Ion. Pflan. i. 70, 51. Ratz. Forst. Ins. iii. 

 217, 6. Walk. Aim. Nat. Hist. Ser. 2, v. 276, 79. 



Distance between tbe first and second veins at tbe base about 

 half that between them at the tips ; third much farther from the se- 

 cond 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 nearer to the 

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

 ihe third is to the second ; second fork generally as near to the fourth 

 vein as to the first fork ; fourth vein slightly curved, a little nearer 

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



a — 0. England. (In Canada Balsam). From Mr. Walker's col- 

 lection. 



88. Aphis Eugnvmi. 



Aphis Euonymi, Fabr. Si/st. Ent. 736, 14. Sp. Ins. ii. 386, 17. 



Mant. Ins. ii. 316,21. Ent. Syst. iv. 214,21. Sijst. Rhyn. 



297,21. Gmel. Ed. Syst. Nat. i. 2206, 51. Schrank, Faun. 



Boic. ii. 108. Turt. Syst. Nat. ii. 705. Sir Oswald Mosley, 



Gard. Chron. i. 684. Aalt. Mon. PJlan. i. 79, 57. Walk. Ann. 



Nat. Hist. Ser. 2, v. 278, 80. 

 Euonymaphis, Amyot, Ann. Soc. Ent. Fr. 2me Sene, v. 478. 



Distance between the first and second veins at the base a little 

 more than one-third of that between them at the tips ; third very 

 much farther from the second at the tip than at the base, as far from 

 the second at the base as the second is from the first; first fork very 

 much nearer to the second fork than to the third vein, nearer lo the 

 third vein than the third is to the second ; second fork as far from 

 the fourth vein as from the first fork ; fourth vein slightly curved, 

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



Var. Third vein of one wing with an additional branch be- 

 tween the two forks. 



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

 lection. 



