LIST OF HOMOPTEROUS INSECTS. 973 



66. Aphis Hiebacii. 



Aphis Hieracii, Schrank, Faun. Boic. ii. 121, 1233. Kalt. Man. 

 PJlan. i. 17, 7. Walk. Ann. Nat. Hist. Ser. 2, iii. 47, 58. 



Distance between the first and second veins at the base much 

 more than twice that between them at the tips ; third farther from the 

 second at the tip than it is at the base, much farther from the second 

 at the base than the second is from the first; first fork as far from 

 the second as from the third vein, much nearer to the third vein tnan 

 the third is to the second ; second fork as far from the first fork as 

 from the fourth vein ; fourth vein curved near the base, straight to- 

 wards the tip, much farther from the tip of the rib-vein than from 

 the second fork. 



Var. Grayish green, blackish on the back, rather small, oval, 

 convex, shining, and semipellucid : feelers black, much longer than 

 the body: mouth pale yellow, with a black tip : nectaries dull green, 

 with black tips, as long as one- fifth of the body: legs pale yellow ; 

 hind shanks dull yellow; feet and tips of thighs and of shanks 

 black. 



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

 tion. 



67. Aphis Asteris. 



Aphis Asteris, Walk. Ann. Nat. Hist. Ser. 2, iii. 48, 59. 



a — d. England. (In Canada Balsam). Presented by F. Walker, 



Esq. 



68. Aphis Lactuc^. 



Aphis Lactucae, Linn. Si/st. Nat. ii. 335, 14. Reaum. Ins. iii. pi. 



22, f. 3—5. Bonnet, Hist. Nat. i. 6. Fabr. Sp. Ins. ii. 390, 



47. Mant. Ins. ii. 317, 52. JEnt. Sj/st. iv. 220, 52. Si/st. Rhyn. 



301, 52. Gmel. Ed. Si/st. Nat. i. 2205, 14. Rossi, Fann. 



Etrusc. 264, 1401. Schrank, Faun. Boic. ii. 1, 120, 1233. 



Stew. El. Nat. Hist. ii. 110. Turt. Syst. Nat. ii. 708. Enc. 



Meth. Hist. Nat. Ins. pi. 118, f. 11 — 13. Fonscol. Ann. Sac. 



Ent. X. 170, 10. Kalt. Mon. Pfian. i. 37, 25. Walk. Ann. 



Nat. Hist. Ser. 2, iii. 49, 60. Zool. vii. App. liv., Ivii. 

 Aphis Ribis Nigri, Sir Osivald Mosley, Gard. Chron. i. 684. 



3 q3 



