226 Maine Agricultural Experiment Station. 1919. 



L. sp. 



Aphis ligustri Mosley. Wilson, 1918, p. 265. 

 Aphis ligustriella Theobald. Wilson, 1918, p. 265. 



OLEA. 



O. europea. 



Eriosoma oleae Leach. Wilson, 1918, p. 277. 



OSMANTHUS. 



O. aquifolium Sieb. 



Prociphilus osmanthae Essig and Kuwana. Essig and Kuwana, 

 1918a ; p. 40. 



SYRINGA. Lilac. 



S. amurense. 



Prociphilus bumeliae Schrank. Matsumura, 1917b, p. 88. 

 S. amurensis Rupr. 



Macrosiphum syringae Matsumura. Matsumura, 1918a, p. 4. 

 S. vulgaris L. Common Lilac 



Mysus persicae Sulzer. Gillette and Taylor, 1908, p. 36. 



Prociphilus (Pemphigus) venafuscus Patch. Patch, 1909a, p. 319. 



Prociphilus fraxini Linn. Wilson, 1918, p. 341. 



Rhopalosiphum persicae Sulzer. Wilson, 1918, p. 341. 

 S. sp. 



Aphis medicaginis Koch. Swain, . 1919a p. 175. 



Macrosiphum malvicola Matsumura. Matsumura, 1917a, p. 359. 



LOGANIACEAE. LOGANIA FAMILY. 



BUDDLEIA. 



B. madagascariensis Lam. 



Aphis buddleiae Theobald. Theobald, 1918a, p. 281. 



GENTIANACEAE. GENTIAN FAMILY. 



FRASERA. American Columbine. 



F. speciosa Dougl. 



Nectarophora martini Cockerell. Cockerell, 1903a, p. 170. 



GENTIANA. 



G. cruciata. 



Aphis epilobii Kalt. Wilson, 1918, p. 247. 



