LIST OF HOMOPTEROUS INSECTS. UOl 



its length, nearly straight from thence to the tip, which is much 

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

 a — e. Scotland. Presented by E. Doubleday, Esq. 

 f— WW. England. (In Canada Balsam). ]?rom Mr. Walker's col- 

 lection. 



22. Aphis Aoebicola. 



Aphis Acericola, Walk. Ann. Nat. Hist. Ser. 2, i. 451, 22. 



«. England. Presented by F. Walker, Esq. 



b. Interlacken, Switzerland. Presented by F. Walker, Esq. 



23. Aphis QUADKITUBERCULATA. 



Aphis quadritnherculata, Kalt. Mon. Pflan. i. 134, 102. Ratr. 



Forst. Ins. \u. 2\8, 19. 

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



Group 12. Walk. Ann. Nat. Hisl. Ser. 2, i. 451. 



24. Aphis Populea. 



Aphis Populea, Kalt. Mon. Pflan. i. 116, 90. Walk. Ann. Nat. 

 Hist. Ser. 2, 1,451,23. 



Lachnus punctatus, Burm. Handb. Ent. ii. 93, 5. 



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

 tion. 



25. Aphis S.vlicis. 



Aphis Salicis, Linn. Syst. Nat. ii. 736, 26. Faun. Suec. 995. 

 Kiaum. Ins. iii. 281—350, pi. 22, f. 2. Beg. Ins. in. 60, II. 

 Fabr. Sp. Im. ii. 389, 41. Mant. Ins. ii. 317, 46. Ent. Syst. 

 iv. 219, 47. Sijst. Rhyn. 301, 47. Gmel. Ed. Syst. Nat. i. 

 2207, 2210, 26. Rossi, Faun. Etrusc. 264, 1398. Schrank, 

 Faun. Boic. ii. 1 , 102, 1 1 76. Berk. Syn. i. 120. Stew. El. Nat. 

 Hist. ii. 111. Turt. Syst. Nat. ii. 707. Shaw, Gen. Zool. vi. 

 170. W.Curtis, Linn. Trans, vi. 75, 94, pi. 5, f. 1,2. St. 

 Farq. et Serv. Enc. Milh. x. 247. Fonscol. Ann. Soc. Ent. Fr. 

 X, 176, 16. Kalt. Mon. Pflan. i. 131, 100. Ratz. Forst. Ins. iii. 

 218, 18. Walk. Ann. Nat. Hist. Ser. 2, i. 452, 24. 



