Wilson-Vickery—List of Aphididae. 
31 
alatemi, Toxoptera Del Guercio, 1909. Rivista di Pat. Vegetale, 
IV, p. 10. 
Rhamnus alaternus. 
alba, Tetraneura (Ratzeburg), 1844. Die Forst-Insecten, III, p. 
222. Aphis. 
TJlmus campestris. 
albasiphus, Symdobius Davis, 1914. Can. Ent. XLVI, p. 226, fig. 
Quercus aWa. 
albicomis, Amycla Koch, 1857. Die Pflanzenlause Aphiden, p. 
305, fig. 
Polygonum sp. 
albifrons, Macrosiphum Essig, 1911. Pom. College Jour. Ent. Ill, 
p. 543, fig. 
Lupinus alhifrons. 
albipennis, Schizoneura Walker, 1852. List Homop. Insects Brit, 
Museum, part 4, p. 1051. 
Pood plant not given. 
albipes, Aphis Oestlund, 1887. Aphididae of Minnesota, p. 52. 
Symphoricarpos orMculatus, S. racemosa, S. occidentalism 
alboapicalis, Siphocoryne Theobald, 1916. The Entomologist 
XLIX, p. 18 2, fig. 
Malva sp. 
albus, Chaitophorus Mordwilko, 1901. Horae Soc. Ent. Ross. 
XXXIII, p. 410. 
Populus sp.? 
alemedensis, Aphis Clarke, 1903. Can. Ent. XXXV, p. 251. 
Prunus domestica. 
aliemis, Aphis Theobald, 1913. The Entomologists Record, XXVII, 
p. 54. 
In nest of Lasius alienus. 
alismae, Rhopalosiphum Koch, 1854. Die Pflanzenlause Aphiden, 
p. 26. No description. 
Alisma plantago. 
allegheniensis, Lachnus McCook, 1877. Trans. Amer. Ent. Soc., 
VI, p. 274, fig. 
Quercus sp. 
