220 Maine Agricultural Experiment Station. 1919. 



Schxzoncura kochii Lichtenstein. Wilson, 1918, p. 224. 

 Vacuna dryophila Schrank. Kaltenbach, 1874, p. 296. 

 C. (Svida) stolonifera Michx. Red Osier Dogwood. 

 Anoecia corni Fabr. Wilson, 1918, p. 224. 

 Anoecia comic ola Walsh. Wilson, 1918, p. 224, 

 Aphis cornifoliae Fitch. Weed, 1893, p. 299. 

 Eriosomaf cornicola Walsh. Walsh, 1862, p. 304. 

 C. stricta Lam. Stiff Cornel. 



Aphis (Adactynus) cornus-stricia Rafinesque. Rafinesque, 1818. 

 C. sp. 



Anoecia corni Fab. (Schizoneura venusta Pass.) Tullgren, 1909, 



p. 187. 

 Anoecia corni Fab. (S. cerealium Szaniszlo) (S. fulviabdominalis 



Sasaki) (S. nigriabdominalis Sasaki). Matsumura, 1917b, p. 45. 

 Anoecia querci (Fitch). (Eriosoma querci Fitch) (Rhizobius eleu- 



sinis Thos.) (Schizoneura panicola Thos.) (Anoecia corni 



American authors) (Anoecia oenotherae Wilson). Baker, 1916, 



p. 363. 

 Aphis cornifila Del Guercio (cornifoliae Fitch?). Del Guercio, 



1909 (1910), p. 297. Redia VII. 

 Aphis helianthi Monell. Wilson, 1918, p. 224. 

 Aphis maculatae Oestlund. Oestlund, 1887, p. 61. 

 Schizoneura corni (Fab.) (venusta Pass.) (fungicola Walsh) 



(cornicola Walsh) (panicula Thomas). Osborn, 1890, Bur. Ent. 



Bui. 22, O. S. p. 33. 

 Schizoneura kochii Lichtenstein. Lichtenstein, La Flore. 



NYSSA. Tupelo. 



N. multiflora. (Nyssa sylvatica). 



Phylloxera nyssae Pergande. Pergande, 1904b, p. 270. 

 N. sylvatica. (Nyssa multiflora). 



Phylloxera nyssae Pergande. Wilson, 1918, p. 277. 



ERICACEAE. HEATH FAMILY. 



ARBUTUS. 



A. Menziesii Pursh. Madrone. 



Rhopalosiphum arbuti Davidson. Davidson, 1910, p. 379. 

 A. Unedo L. Strawberry Tree. 



Aphis arbuti Ferrari. Zoological Record, 1872^ p. 417. 



Rhopalosiphum nervatum Gillette, (arbuti Davidson) Essig, 1917a, 

 p. 330. 



