248 Maine Agricultural Experiment Station, 1919. 



Aphis solanina Pass. Theobald, 1919a, p. 5. 



Aphis urticaria Kalt. Buckton, 2, p. 51. 



Macros'phum lactucae Schrank. Theobald, 1913, p. 55. 



Macrosiphum lactucae Linn. Wilson, 1918, p. 335. 



Macrosiphum solani Kaltenbach, Theobald, 1913, p. 55. 



Macrosiphum solanifolii Ashmead. Patch, 1907, pp. 235-254. 



Macrosiphum sonchi Linn. Theobald, 1913, p. 55. 



My^us persicae Sulzer. (R. solani Thomas?). Gillette and Tay- 

 lor, 1908, p. 34. 



Rhopalosiphum dianthi (Schrank) Koch. (persicae Puceron du 

 pecher Morren) (rapae Curtis) (A. floris rapae Curtis) (dubia? 

 Curtis) (vastator Smee) (persicaecola Boisduval) (Rh. persi- 

 cae Pass.) Buckton, 2, p. 17. 



Rhopalosiphum tuherosellae Theobald. Theobald, 1919a, p. 5. 



Trifidaphis radicicola Essig. Essig, 1912a, p. 699. 



Tychea phaseoli Pass. Karsch, 1886, p. 1. 

 S. villosum. 



Aphis solani Kittel. Wilson, 1918, p. 335. 

 S. sp. 



Amphorophora latysiphon Davidson. Swain, 1919a, p. 174. 



Aphis gossypii Glover (malvae Koch) (cucurbiti Buckt.) (citri- 

 folii Ashm.) (citrulli Ashm.) (cucumeris Forbes), van der 

 Goot, 1916b, p. 93. 



Aphis solanella Theobald. Wilson, 1918, p. 334. 



Aphis solani Kalt. Kaltenbach, 1874, p. 454. 



Megoura solani Thomas. Wilson, 1918, p. 334. 



Myzoides persicae Sulzer (dianthi Kalt.) (solani Thos.) (achyr- 

 antes Monell) (malvae Oestl.). van der Goot, 1916b, p. 48. 



Myzus circumflcxiis Buckton. Swain, 1919a, p. 174. 



Rhopalosiphum lactucae Kalt. Swain, 1919a, p. 174. 



Rhopalosiphum persicae (Sulzer). Pass. (A. dianthi Schrank) (A. 

 vulgaris Kyber) (A. rapae Curtis) (A. dubia Curt.) (A. vas- 

 tator Smee). Passerini, 1863, p. 20. 



WITHANIA. 



W. sonmiferum. 



Aphis malvae Koch. Das, 1918a, p. 274. 

 Aphis malvoides Das. Das, 1918a, p. 151. 

 Myzus persicae (Sulzer). Das, 1918a, p. 168. 



