Wilson-Yickery—List of ApMdidae. 
33 
ambrosia, Aphis Rafinesque, 1818. Amer. -Mon. Mag. & Critic, 
Rev., Ill, p. 17. 
AmhrO'Sia psilastacJiya. 
ambrosiae, Macrosiphum (Thomas), 1877, Ill. State Lab. Nat. Hist., 
Bui. 2, p. 4. Siphonophora. 
Amhrosia psilostachya, A. triflda, Iva xanthifolia, RudtecMa sp., 
Rutus villosus. 
amentlcola, Aphis Kalteabach, 1874. Die Pflanzenfeinde, 
Populus sp,, Salix alM. 
americana, Eriosoma (Riley), 1879. BuL U. S. Geol. & Geog. 
Surv. Terr. V, No. 1, p. 4, fig. Schfigoneura. 
Ulinus americana, 
americamis, Pemphigus Walker, 1852. List, Homop. Insects Brit. 
Museum, part 4, p. 1057. 
Food plant not given. (Pyrus malus)f 
amerinae, Aphis Hartig, 1841. Zeit. Ent., (Germar) III, p. 369. 
Food plant not given. 
arnica, Aphis Walker, 1848. The ZooL VI, p. 2218. 
Artemisia maritima. 
ampelinus, RMzoctoiius Mokrzhetsky, 1896 (1897). Horae Soc. 
Ent. Ross. XXX, p. 438. 
Vitis viniferaf 
ampelophila, Aphis Del Guercio, 1913. Redia, IX, p. 157, fig. 
(Vines) Sambucus spf 
ampelorhlza, Schizoneura Del Guercio, 1900. Nuov. Relaz. Staz. 
Agr. Fir., II, p. 104. 
Vitis vinifera. 
ampullata, Amphorophora Buckton, 1876. Mon. Brit. Aphides, I. 
p. 187, fig. 
Asplenium sp., Cystopteris montana, Onoclea struteopteris, Poly- 
stichum sp. 
amycli, Tychea Koch, 1857. Die Pflanzenlause Aphiden, p. 300, fig. 
Triticum dicoccum. “Emers” 
3-™~S. A. L. 
