52 Maine Agricultural Experiment Station. 1918. 



P. Amygdalus Baill. (Amygdalus communis L.) Almond. 



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



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



Lachnus fuligiiwsus 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. 



Hyalopterus arundinis Fabr. Clarke, 1903, p. 249. 



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

 p. 111. 



Myzus 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. 



Myzus 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, p. 

 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. 



