WiUon~Vickery—List of Aphididae. 
175 
venaefuscae, Macrosiphum Davis, 1914. Can. Ent. XLVI, p. 77, fig. 
Polygonum cristatum, Rumex crispus. 
venafuscus, Prociphilus (Patch) 1909. Ent. News, XX, p. 319, 
fig. Pemphigus. 
Fraxinus pennsylvanicum, Syringa vulgaris, Ulmus americana. 
venusta, Schizoneura Passerini, 18 60. Gli Afidi, p. 38. 
Bromus arenarius, B. unioloides, Cynodon dactylon, Digitaria 
humifusa, Eragrostis megastachya, Hierochloae australis, 
Lolium perenne, L. temulentum, Panicum miliaceum, Poa sp., 
Setaria glauca, S. italica, 8. verticellata, 8. viridis, Triticum 
vulgare, Zea mays. 
veratri, Aphis Walker, 1852. List Homop. Insects Brit. Museum, 
part 4, p. 1041. 
Veratrum aWum. 
veratri, Aphis Cowen, 1895. Hemiptera of Colorado, p. 122. 
Veratrum californicum. 
verbasci, Aphis Schrank, 1801. Fauna Boica, II, p. 107. 
Verhascum nigrum, V. phlomoides, V. sinuatum, V. thapsus. 
verbasci, Aphis Boyer de Fonscolombe, 1841. Ann. Soc. Ent. 
France, X, p. 181. 
Vert as cum nigrum. 
verbenae, Aphis Macchiati, 1883. Bui. Soc. Ent. Ital., XV, p. 258. 
Vertena chamaedryfolia. 
verbenae, Macrosiphum (Thomas), 1877. Ill. State Lab. Nat. 
Hist., Bui. 2, p. 8. Siphonophora. 
Vertena officinalis. 
verbena-hastata, Aphis Rafinesque, 1818. Amer. Mon. Mag. & 
Critic. Rev. Ill, p. 17. 
Vertena hastata. 
vernoniae, Aphis Thomas, 1877. Ill. State Lab. Nat. Hist., Bui. 2, 
p. 10. 
Vernonia fasciculata. 
veronicae, Aphis Walker, 1848. The Zool. VI, p. 2248. 
Veronica chamaedrys. , 
