106 Wisconsin Academy of Sciences, Arts, and Letters, 
macrorhyncha, Stomaphis Cholodkovsky, 1894. Bui. Soc. Imp. 
Nat., Mos., VIII, p. 402, fig. 
Quercus sp. 
macrosiphum, Illliioia Wilson, 1912. Can. Ent. XLIV, p. 155. 
Amelanchier sp. 
macrostachyae, Symdobius Essig, 1912. Pom. Coll. Jour. Ent. 4, 
p. 727, fig. 
8alix longifoUa. 
mactata, Aphis Walker, 1849. The Zool. VII, p. 39, app. 
Pyrus germanica. 
maculata, Callipterus (Heyden), 1837. Ent. Beitr. Museum Sen- 
kenberg, II, p. 297. Aphis. 
Alnus glutinosa. 
maculatae. Aphis Oestlund, 1887. Aphididae of Minnesota, p. 61. 
Cornus paniculata. 
maculatuSy Ghaitophorus Buckton, 1899. Ind. Mus. Notes, IV, p. 
277, fig. 
Medicago sativa. 
maculatus, Lachnus Lichtenstein, 1884. La Flore des Aphidens, 
p. 46. 
No description. 
Rosa sp. 
maouleUa, Monellia (Pitch), 1855. First Kept. Nox. & Ben. In¬ 
sects, N. Y., p. 166. Aphis. 
Carya sp. 
maculosus, Lachnus Cholodkovsky, 1899. Zool. Anz., XXII, p. 
469, fig. 
Larix decidua, L. siMrica, Pinus sylvestris. 
magniflca, Trinacriella Del Guercio, 1913. Redia, IX, p. 169, fig. 
Arena sp. 
magnoUae, Aphis Macchiati, 1883. Bui. Soc. Ent. Ital., XV, p. 254. 
Magnolia grandiflora. 
mahaleh, Aphis Koch, 1854. Die Pflanzenlause Aphiden, p. 113, 
fig. 
Prunus chamaecerasus, P. mahaleh. 
