960 LIST OF HOMOPTEROUS INSECTS. 



Cinara Roboris, Curt. Brit. Ent. xii. 576. Sir Oswald Mosley, 



Gard. Chron. i. 747. 

 Lachnus Roboris, Kalt. Mon. Pflan. i. 148, 2. 

 Dryaphis, Amyot, Ann. Soc. Ent. Fr. 2me SSrie, v. 481. 



Rib- vein slightly approaching the fore border, and again re- 

 ceding from it beneath the brand, forming no angle, but slightly 

 curved towards its tip ; brand full as long as one-fourth of the wing ; 

 first branch-vein slightly undulating, very slightly oblique, six times 

 farther from the second at the tip than it is at the base ; second 

 very oblique, slightly undulating, more than twice farther from the 

 third than from the first at the base, but much nearer at the tip ; 

 third almost straight, very oblique, much farther from the second at 

 the tip than it is at the base ; first fork at the tip as far from the 

 second fork as from the third vein, and much nearer to them than 

 the third vein is to the second ; second fork very long, slightly un- 

 dulating, nearer at the tip to the fourth vein than to the first fork ; 

 fourth vein long, much curved near the base, straight from thence 

 to the tip. 



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

 d — i. England. (In Canada Balsam). From Mr. Walker's collec- 

 tion. 



45. Aphis agilis. 



Lachnus agilis, Kalt. Mon. Pflan. i. 161, 11. 



Aphis agilis, Walk. Ann. Nat. Hist. Ser. 2, ii. 108,44. 



Distance between the first and second veins at the tips about 

 thrice that between them at the base ; third vein mostly obsolete ; 

 fourth vein almost straight, about thrice farther from the tip of the 

 rib-vein than from the second fork. 



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

 tion. 



Group — 

 46. Aphis • 



Aphis Tiliae, Enc. MM. Hist. Nat. Ins. pi. 117, f. 2, 4. 

 France. 



