82 Maine Agricultural Experiment Station. 1918. 



Chaitophorus lyropictus Kessler. Mordwilko, 1899, p. 414. 

 Chaitophorus testudinatus (Thorn.), Oestlund, 1908, p. 131. 

 Chaitophorus versicolor Koch. Theobald, 1911-12. 

 Drepanosiphum platanoides Schrank. Wilson, 1909b, p. 349. 

 Euceraphis betulae (Koch). (Aphis cerasicolens Fitch?). Baker, 



1917f, p. 425. 

 Pemphigus acer'is Monell. Jackson, 1908, p. 214. 

 Periphyllus tcstudo van der Hoeven. Zoological Record, 1870, p. 



472. 

 Stomaphis graffii Choi. Cholodkovsky, 1894 (1895), p. 405. "Auf 



ahornwurzeln." 



RULAC. 



R. negundo. See Acer negundo L. 



SAPINDACEAE. SOAPBERRY FAMILY. 

 AESCULUS. Horse-chestnut. 



A. glabra Willd. Fetid or Ohio Buckeye. 



Drepanaphis moncUi (Davis). Gillette, 1910, p. 371. 



Phyviatosiphum 7noneUi Davis. Davis, 1909c, p. 197. 

 A. parviflora Walt. 



Chaitophorus accris (Linn.) Koch. Buckton, 2, p. 126. 



MELIANTHUS. 



M. major (L). 



Rhopalosiphum persicae (Sulzer). Essig, 1917a, p. 332. 



BALSAMINACEAE. TOUCH-ME-NOT FAMILY. 



IMPATIENS. Balsam. 



I. biflora Walt, (fulva). Spotted Touch-me-not. 



Aphis impatientis Thomas. Thomas, 1879, p. 98. 



Nectarophora fulvae Oestlund. Oestlund. 1887, p. 80. 



Siphonophora carnosa var. impatientis Williams. Williams, 1910 

 (1911), p. 74. 

 I. noli-tangere L. 



Aphis balsamincs Kalt. Kaltenbach, 1874, p. 84. 

 I. pallida Nutt. (aurea Muhl.) Pale Touch-me-not. 



Aphis impatientis Thomas. Williams, 1891, p. 25. 



Siphonophora carnosa var. impatientis Williams. Williams, 1910 

 (1911), p. 74. 



Siphonophora fulvae Oestlund. Williams, 1891, p. 25. 



