226 Maine Agricultural Experiment Station. 1919. 



L. sp. 



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

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



OLEA. 



O. europea. 



Eriosoma olcae 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 hiimeViae Schrank. Matsumura, 1917b, p. 88. 

 S. amurensis Rupr, 



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

 S. vulgaris L. Common Lilac 



Mysus persicae Sulzer. Gillette and Ta34or, 1908, p. Z6. 



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. 



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



LOGANIACEAE. LOGANIA FAMILY. 



BUDDLEIA. 



B. madagascariensis Lam. 



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



• GENTIANACEAE. GENTIAN FAMILY. 



FRASERA. American Columbine. 



F. speciosa Dougl. 



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



GENTIANA. 



G. cruciata. 



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



