APHID PESTS OF MAINE, II. WILLOW FAMILY. 97 



Pemphigus lichtensteini Tull. Tullgren 1909, p. 151. 



Pemphigus napaetis Buckton. Buckton, 1896, p. 50. 



Pemphigus ocstlnndi Cockerell. (P. vagabundus (Walsh) of 



authors). Oestlund, 1887, p. 22. Cockerell, 1906, p. 34. 

 Pemphigus populi Courchet. Courchet, 1881, p. 46. 

 Pemphigus populicaulis Fitch (betae Doane?). Clarke, 1903, p. 



248. 

 Pemphigus spiriformis Licht. Zoological Record, 1886, p. 319 



(misprint for pyriformis). 

 Pemphigus tortuosus Rudow. Lichtenstein, La Flore. 

 Pemphigus varsoviensis Mordwilko. Mordwilko, 1899, p. 411. 

 Schizoneura passerinii Signoret. Lichtenstein, La Flore. 

 Schisoneura populi Gillette. Gillette, 1901, p. i. 

 Thecabius (Pemphigus) affinis Kalt. (ranunculi Kalt.). Tullgren, 



1909. p. no. 



SALIX. Willow. 



acuminata. 



Lachnus viminalis (Boyer) Pass. Tsalicis Shaw?) (salicis Cur- 

 tis?) (saligna Walker). Buckton, 3, p. 57. 

 alba L. (vitellina) White Willow. 



Aphis populea Kalt. (Lachnus punctatus Burmeister). Kalten- 



bach, 1843, p. 117. 

 Aphis populea Kalt. Kaltenbach, 1874, p. 561. 

 Aphis salicis Linn. Kaltenbach, 1874, p. 586. 

 Chaitophorus saliceti Schrank (Aphis). Macchiati, 1883, p. 261. 

 Chaitophorus salicti Schrank (Aphis). Ferrari, 1872, p. 77. 

 Chaitophorus smitheae INIonell. Monell, 1879, p. 32. 

 Chaitophorus viminalis Monell (?). Weed, 1888, p. 133. 

 Chaitophorus vitellinae Schrank (Aphis). Ferrari, 1872, p: 76. 

 Ciadobius populae Kalt (Aphis). Macchiati. 1883, p. 260. 

 Cladohius steinheili ^Mordwilko. Mordwilko, 1899, p. 350. 



( ? on Salix alba). 

 Lachnus longirostris Fab? (Aphis). Ferrari, 1872, p. 81. 

 Lachnus longirostris Fab. Kaltenbach, 1874, p. 92. 

 Lachnus longirostris Pass. Kaltenbach, 1874, p. 562. 

 Lachnus viminalis Boyer. Kaltenbach, 1874. p. 585. Del Guercio, 



1907 (1908). Redia V, p. 345- 

 Melanoxanthus salicis (Linn.). Williams, 1891, p. 2j. 

 Melanoxanthus smithiae Monell. Williams, 189T. p. 27. 

 Mysvs ribis Linn, et auct (Aphis). Ferrari, 1872, p. 62. 

 Siphocoryne capreae CFab.) Pass, (pastinacae L.) (A. aegopodii 



Scop) (R. capreae Koch) (R. cicutae Koch) (A umbellatarum 



Koch). Passerini, 1863. p. 52. 

 Stomaphis longirostris (Fab.) CAphis Fab.) (Phylloxera Boyer") 



(Lachnus Passerini) Del Cuercio, 1907 (1908) Redia V, pp. 



259. 344- 



