52 Maine Agricultural Experiment Station. 1918. 



P. Amygdalus Baill. (Am3'gdalus communis L.) Almond. 

 Aphis amygdali Blanch. Thomas, 1879, p. 102. 

 Aphis ainygdalinus Schouteden. Schouteden, 1905a, p. 164. 

 Lachnus fuliginosus Buckton. Buckton, 1891, p. 41. 

 Rhopalosiphum nympheae (Linn.). Davidson, 1917a, p. 350. 

 P. armeniaca L. Apricot. 



Aphis persicariae Hartig. Hartig, 1841, p. 370. 



Aphis pruni Reaum. (prunifoliae Fitch?) (Prunifex Amyot) (Cal- 



amaphis Amyot). Buckton, 2, p. 65. 

 Aphis prunorum Dobrowljansky. Dobrowljansky, 1913, p. 45. 

 Hyalop terns arundinis Fabr. Clarke, 1903, p. 249. 

 Hyalopterus pruni (Fab.) Koch (Prunifex Amyot). Buckton, 2, 



p. 111. 

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

 Rhopalosiphum nympheae (Linn.). Davidson, 1917a, p. 350. 

 P. avium L. Sweet Cherry. Mazzard. 



Aphis cerasina Walker. Kaltenbach. 1874, p. 177. 

 Mysus cerasi (Fab.) Pass. Passerini, 1863, p. 22. 

 P. cerasus L. (Cerasus vulgaris). Sour or Morello Cherry. 

 Mysus cerasi Fab. Gillette and Taylor, 1908, p. 43. 

 Mysus cerasi (Fab.) Pass. (Cerasaphis Amyot). Buckton, 1 p. 



175. 

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

 P. chamaerasus Jacq. 



Aphis insititiae Koch. Cholodkovsky, 1910, p. 146. 

 P. domestica L. Common Garden Plum. 



Aphis alamedensis Clarke. Clarke, 1903, p. 251. 



Aphis convecta Walker. Walker, 1849c, p. 37. 



Aphis deposita Walker. Walker, 1848c, p. 2250. 



Aphis detracta Walker. Walker, 1849c, p. 38. 



Aphis egressa Walker. Walker, 1849c, p. 38. 



Aphis humuli Schrank. (A. pruni Scop.) Koch, p. 115. 



Aphis internata Walker. Walker, 1849c, p. 37. 



Aphis persorbens Walker. Walker, 1849c, p. 37. 



Aphis pruni Fab. Kaltenbach, 1874, p. 176. 



Aphis pruni Koch. (Aphis cardui Linn.) Dobrowljansky 1913' 



p. 45. 

 Aphis prunicola Kalt. Passerini Flora. 

 Aphis prunina Walker. Passerini, 1863, p. 37; Walker 1848c o 



2250. 

 Aphis setariae Thomas. Quaintance and Baker, 1917, p. 19. 

 Aphis similis Walker. Walker, 1848c, p. 2249. 

 Aphis transposita Walker. Walker, 1849c, p. 37. 

 Aphis sp. Quaintance and Baker, 1917, p. 19. 

 Mysus persicae Sulzer. Gillette and Taylor, 1917, p. 36. 

 P. insititia L. Bullace Plum. 



Anuraphis prunicola Kaltenbach. Del Guercio, 1909 (1910), p. 297. 



