Wilson-Vickery—List of Aphididae. 
121 
pallida, Hyalopteroides Theobald, 1916. The Entomologist, XLIX, 
, p. 51, fig. 
In nest of Lasius niger. 
pallida, Macrosiphum (Walker), 1848. Ann. Mag. Nat. Hist., ser. 
2, II, p. 430. Aphis. 
Malva rotundifolia, M. sylvestris, Pelargonium zonale, Villarisia sp. 
pallida, Macrosiphum (Oestlund), 1887. Aphididae of Minnesota, 
p. 84. Nectarophora. 
RosG'sp. (wild) 
pallida, Tetraneura (Haliday), 1839. Ann. Nat. Hist. Mag., II, p. 
189. Byrsocrypta. 
Pistacia terebinthus, Ulmus campestris, U. tuberosa. 
pallidula, Tychea Cockerell, 1903. Psyche, X, p. 217. 
Pood plant not given. 
pallidus. Pemphigus Derbes, 1869. Ann. Sci. Nat. Zool. (6), XI, 
p. 105, fig. 
Pistacia terebinthus. 
paUipes, Aphis Hartig, 1841. Zeit. Ent. (Germar) III, p. 369. 
Fagus sp. 
panici, Tychea (Schizoneura) ? Thomas, 18 77. Ill. State Lab. 
Nat. Hist., Bui. 2, p. 16. 
Digitaria humifusa, 8etaria glauca. 
panicola, Macrosiphum Thomas, 1877. Ill. State Lab. Nat. Hist., 
Bui. 2, p. 6. Siphonophora. 
Digitaria humifusa, Echinochloa crus-galU, Eragrostis pectinacea. 
Thomas gives this name for what he calls Siphonophora setariae 
on Panicum should it prove to be different from the one on 
Setaria. 
' panicola, Schizoneura Thomas, 1879. Eighth Kept. Ben. & Nox. 
Insects, Ill., p. 138. 
Digitaria humifusa, Echinochloa crus-galli, Poa pratensis. Poly¬ 
gonum sp., Setaria glauca, S. viridis. 
paoli. Aphis Del Guercio, 1916. Redia, XI, p. 301, fig. 
Calotropis procera. 
