142 Wisconsin Academy of Sciences^ Arts^ and Letters. 
quercifoliae, Aphis Walsli 18 62. Proc. Ent. Soc. Phil. I, p. 298. 
Acer saccharinum, Platanus occidentalism Qiiercus sp. 
quercifoliae Chaitophorus (Fitch), 1851. Rept. Reg. Univ. State 
N. Y. Cab. Nat. Hist. p. 67, Lachnus. 
Qiiercus aWa. , 
quercifoliae, Phyllaphis Gillette, 1914. Ent. News XXV, p. 272. 
Quercus sp. 
quercifoMi, Myzocallis (Thomas), 18 79. Eighth Rept- State Ent. 
Ill., p. 112. Callipterus. 
Quercus rubra, Ulmus racemosa. 
quercina, Psylloptera Ferrari, 1872. Ann. Mus. Civ. Stor. Nat. di 
Genova, II. p. 85. 
Quercus cerris. 
quercus, Cinara Mosley, 1841. The Gardners Chronicle, p. 747. 
Quercus sp. 
quercus, Myzocallis (Kaltenbach), 1843. Mon. der Pflanzenlause, 
p. 98. Aphis. 
Castanea pumila, Quercus douglasii, Q. ilex, Q. kelloggii, Q. lobata, 
Q. rohiir, Q. sessilifolia. 
quercus Myzocallis var. insigiiis Ferrari, 1873. Ann, Mus. Civ, 
Stor. Nat. Genova, III, p, 231. 
Quercus sp. 
quercus, Phylloxera Boyer de Fonscolombe, 1834. Ann. Soc. Ent. 
France, III. p. 223. 
Quercus coccifera, Q. ilex, Q. rodur, Q. ^^suher’", Q. virginiana. 
quercus, Stomaphis (Linnaeus), 1758. Edition 10, Systema Nat¬ 
urae, p. 453. Aphis. 
Quercus alba, Q, robur. 
quercus-moutlcula, Aphis Haldeman, 1844. Proc. Bos. Soc. Nat. 
Hist. I, p. 169. No description, 
Quercus sp. 
radicicola, Trifldaphis (Essig), 1909. Pom. Jour. Ent. I, p. 8, fig. 
Pemphigus, 
Amaranthus retroflexus, Beta vulgaris, Solanum nigrum. 
