LIST OF HOMOPTEROUS INSECTS. 959 



43. Aphis saligna. 



Aphis saligna, Sulzer, Ins. pi. 11, f. 6. Gmel. Ed. Syst. Nat. i. 



2209, 62. Walk. Ann. Nat. Hist. Ser. 2, ii. 105, 42! 

 Aphis salicina? Zett. Ins. Lapp. i. 311, 6. 

 Aphis viminalis, Fonscol. Ann. Soc. Ent. Ft. x. 184, 27. 



Rib-vein very slightly approaching the fore border, hardly 

 again receding from it, not forming an angle ; brand near one-third 

 of the length of the wing ; first branch-vein oblique, almost straight, 

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

 second very oblique, not half as far at the base from the first as it is 

 from the third, but very much farther at the tip ; third almost 

 straight, more oblique than the second, and twice farther from it at 

 the tip than at the base ; forks very long ; first at the tip as far from 

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

 third vein is to the second ; second fork not half so far from the 

 fourth vein as it is from the first fork ; fourth vein long, very slightly 

 curved. 



The viviparous wingless female. Brown, with a slight gray 

 stripe along the back, and a double row of black spots on each side, 

 increasing in breadth from the head till near the tip of the abdo- 

 men, with a slight bronze tint, covered beaeath with gray powder : 

 feelers black, nearly one-third of the length of the body ; third 

 joint yellow : mouth pale yellow, black at the base and towards the 

 tip, extending somewhat beyond the hind hips: tubercles black; 

 legs stout, long, black; thighs, except their tips, and shanks at 

 the base yellow. When young it is duller and paler; the feelers, 

 the fore-shanks and the middle-shanks are yellow with black tips. 



Europe. 



44. Aphis Roboris. 



Aphis Roboris, Linn. Syst. Nat. ii. 735, 22. Faun. Suec. 993. 



Fair. Sp. Ins. ii. 388, 37. Mant. Ins. ii. 317, 42, 1. Ent. Syst. 



iv. 218, 42. Syst. Rhyn. 300, 42. Schrank, Faun. Boic. ii. 1, 



112, 1209. Gmel. Ed. Syst. Nat. i. 2207, 22. Turt. Syst. 



Nat. ii. 707. Fonscol. Ann. Soc. Ent. Fr. x. 183, 26. Walk. 



Ann. Nat. Hist. Ser. 2, ii. 106, 43. 

 Aphis longipes, Leon Dufour, Reck. HSmipt. Mem. de V Institut 



iv. 243, pl.9, f. 116,117. 



3p2 



