172 Wisconsin Academy of Sciences^ Arts, and Letters. 
ulmi, Georgia Wilson, 1911. Can Ent., XLIII, p. 64. 
Ulmus sp. 
Pemphigus Lichtenstein, 1879. Peuill. Jeun. Nat., IX, p. 
9. 
Alnus sp. 
ulmi, Schizoneura (Linnaeus), 1758. Edition 10, Systema Nat¬ 
urae, p. 453. Chermes. 
Riies grossularia, R. nigrum, Ulmus americana, V. campestris, U. 
effusa. 
ulmi, Tetraneura (Linnaeus), 1758. Edition 10, Systema Nat¬ 
urae, p. 451. Aphis. 
Arena sativa, Crataegus oxyacantha, Cynodon dactylon, Des- 
• champsia caespitosa, D. flexuosa, Digitaria sanguinalis, EcM- 
nochloa crus-galli, Eragrostis megastachya, LoUum perenne, 
Oryza sativa, Pistacia terehinthus, Sorghum halepense, S. sac- 
charatum, S. vulgare, Ulmus americana, U. campestris, U. 
'‘effusa,” U. montana, Zea mays. 
ulmicola, Colopha (Fitch), 1859. Fifth Rept. Nox. & Ben. Ins., 
N. Y., p. 843. Byrsocrypta. 
' Eragrostis megastachya, Panicum sp., Ulmus americana, U. race' 
mosa. ' . 
ulmicola, Myzocallis (Thomas), 1879. Eighth Rept. State Ent. 
Ill., p. 111. Oallipterus. 
Ulmus americana. 
ulmifoUi, Myzocallis (Monell), 1879. Bui. U. S. Geol. & Geog. 
Surv., Terr. V, No. 1, p. 29. Callipterus. 
Triticum vulgare, Ulmus americana. 
ulmi-fusus. Pemphigus Walsh & Riley, 1869, American Entomol¬ 
ogist, I, p. 109. 
Ulmus fulva. 
ulmisacculi, Tetraneura Patch, 1910. Maine Agr. Exp. Sta., Bui. 
181, p. 216, fig. 
Ulmus montana var. Camperdown penduDa. 
umbellatarum, Aphis Koch, 1854. Die Pfianzenlause Aphiden, p. 
116, fig. 
Daucus car Ota? 
