list of homopterous insects. 993 



97. Aphis Carduina. 



Aphis Carduina, Walk. Ann. Nat. Hist. Ser. 2, vi. 44, 89. 



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



lection. 



98, Aphis JACOBiE^. 



Aphis Jacobaeae, 5'cAmnA:, Farm. Boic. ii. 123, 1242. Kalt. Mon. 

 Pflan. i. 68, 49. Walk. Ann. Nat. Hist. Ser. 2, vi. 44, 90. 

 Zool. viii. App. civ. 



Distance between the first and second veins at the tips very 

 much more than that between them at the base ; third farther from 

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

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

 tip as far from the second fork as from the third vein, nearer to 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 curved near the 

 base, almost straight towards the tip, a little farther from the lip of 

 the rib-vein than from the second fork. 



England. 



99. Aphis Helicheysi. 



Aphis Helichrysi, ^a/^ Mon. Pflan. i. 102,77. Walk. Ann. Nat. 



Hist. Ser. 2, vi. 45, 91. 

 Aphis Balsamitae.? Miill. Zool. Dan. Prod. 109. 1252. Gmel. Ed. 



Syst. Nat. i. 4, 2210, 71. 

 Balsamitifex ? Amyot, Ann. Soc. Ent. Fr. 2me Serie, v. 479. 



Distance between the first and second veins at the base about 

 half of that at the tips ; third a little 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 at the tip a little nearer to the second 

 fork than to the third vein, a little nearer to the third vein than the 

 third vein is to the second ; second fork a little nearer to the fourth 

 vein than to the first fork ; fourth vein curved, nearer to the second 

 fork than to the tip of the rib-vein. 



Var. Second fork as near to the fourth vein as to the first fork ; 

 fourth vein as near to the tip of the rib-vein as to the second fork. 



PART IV. 3 S 



