990 LIST OF HOMOPTEROUS INSECTS. 



91. Aphis Lythri. 



Aphis Lythri, Schrank, Faun. Boic. ii. 115, 1215. Kalt. Mon. 



PJlan. i. 51, 36. Walk. Ann. Nat. Hist. Ser. 2, v. 389, 83. 

 Lythraphis, Amyot^ Ann. Soc. Ent. Fr. 2me Serie, v. 477. 



Distance between the first and second veins at the base a 

 little less than half that between them at the tips ; 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 nearer to the second fork at the tip than to the third vein, 

 a little nearer to the third vein than the third is to the second; 

 second fork a little nearer to the fourth vein than to the first 

 fork ; fourth vein much curved near the base, almost straight to- 

 wards the tip, much nearer to the second fork than to the tip of 

 the rib-vein. 



Var. Second fork a little nearer to the first fork than to the 

 fourth vein. 



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

 tion. 



92. Aphis Tussilaginis. 



Aphis Tussilaginis, Walk. Ann. Nat. Hist. Ser. 2, v. 390, 84. 

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



93. Aphis Dianthi. 



Aphis Dianthi, Schrank^ Faun. Boic. ii. 114, 1213. Kalt. Mon. 



Pflan. i, 42, 29. Walk. Ann. Nat. Hist. Ser. 2, v. 391, 85. 



Zool. vi.2218, 2246 ; vii. App. xlvi,, Ii., lv.,lvi., Ivii. ; viii. App. 



ciii., civ. 

 Aphis vulgaris, Kyber, Germ. Mag. i. 



Aphis Rapae, Curt. Journ. Roy. Agric. Soc. iii. 53, pi. C. f. 1 — 3. 

 Aphis dubia. Curt. Journ. Roy. Agric. Soc. iii. 54, pi. C. f. 4. 

 Aphis vastator, Smee, The Potatoe Plant, ^t., 81. 

 Aphis Solani ? Kalt. Mon. PJlan. i. 15, 5. 

 Dianthaphis, Amyot, Ann. Soc. Ent. Fr. 2me Serie, v. 477. 



