LIST OF HOMOPTEROUS INSECTS. 1055 



4. Pemphigus Bumeli^e. 



Pemphiffus Buraeliae, Kalt. Mon. PJlan. 184, 4. 

 Aphis (Pemphigus) Bumeliae, Ratz. Forst. Ins. iii. 223, 37. 

 Aphis Bumeliae, Schrank, Faun. Boic. ii. 102. 

 Eriosoma Bumeliae, Heyd. Miis. Senk. ii. 3, 295. 

 Bumelifex, Amyot, Ann. Soc. Ent. Fr. 2me Serie, v. 484. 



a, b. Prussia. Presented by F. Walker, Esq. 



5. Pemphigus Ranunculi. 



Pemphigus Ranunculi, Kalt. Mon. PJlan. 185,5, 



Aphis Polyanthis ? Sidz. Ins. 105, pi. 11, f. 4, 5. Gmel. Ed. Syst. 



Nat. i. 4, 2209, 61. 

 Aphis Graminis.f* Reaum. Ins. iii. 339. 

 Aphis radicum^? Fonscol. Ann. Soc. Ent. Fr. x. 195, 37. 

 Eriosoma Lactucse.'* Sir Oswald Mosley, Gard. Chron. i. 828. 



Jenyns. 

 Pemphigus Lactucse ? Westw. Gard. Chron. 

 Aphis of the China Aster ? Rusticus, Ent. May. i. 218. Harris, Ins. 



Mass. 190. 



The ivingless female. Lives on roots throughout the year, and 

 is enveloped in the white cottony matter which exudes from its body. 

 Elliptical, pale greenish yellow or pale yellow, very plump ; the su- 

 tures of its segments indistinct : feelers brown or dull yellow, with 

 a brown tip to each joint: mouth brown or yellow, reaching the 

 middle-hips or the hind-hips : legs brown or yellow, rather short, 

 slender, weak; hips small, far apart; shanks as long as the thighs ; 

 feet very short ; knees, feet, and tips of shanks sometimes black. 



The ivinged female. Appears in the middle of September, and 

 continues till the middle of October. While a pupa yellow: fore- 

 chest large; middle-chest, hind-chest, and segments of the abdo- 

 men short, and of nearly equal size : feelers gray, as long as one- 

 fourth of the body : eyes black : mouth pale yellow, wiih a gray tip : 

 abdomen pale yellow : legs gray, short: rudimentary wings dark. 

 With a white bloom when the wings are developed : fore-chest dark 

 green, subquadrate ; its breadth twice its length : feelers black, monili- 

 form : mouth pale green, with a black tip : legs black, moderately 



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