232 Maine Agricultural Experiment Station. 1919. 



Macrosiphum ludovicianae Oestlund. Swain, 1919a, p. 164. 

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



IPOMOEA. 



I. Batatas Lam. 



Macrosiphum solanifolii (Ashmead). Houser, 1917a, p. 69. 

 I. crispa. 



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

 I. guttata. 



Aphis malvae Koch or A. malvoides Das. Das, 1918a, p. 271. 



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

 I. hederacea Jacq. 



Rhopalosiphum magnoliac Essig and Kuwana. Essig and Kuwana, 

 1918a, p. 39. 

 I. mexicana. 



Aphis malvae Koch or A. malvoides Das. Das, 1918a, p. 271. 



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

 I. palmata. 



Aphis malvae Koch or A. malvoides Das. Das, 1918a, p. 271. 

 I. purpurea. 



Macrosiphum convolvuli Kalt. Wilson, 1918, p. 257. 



Macrosiphum solanifolii Ashmead. Smith, 1919a, p. 50. 

 I. sp. 



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

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

 Goot, 1916b, p. 93. 



Aphis minuta Wilson. Wilson, 1918, p. 257. On "Aero Potato." 



Rhopalosiphum persicae Sulzer. Matsumura, 1917a, p. 362. 



HYDROPHYLLACEAE. WATERLEAF FAMILY. 



NEMOPHILA. 

 N. sp. 



onophora convolvuli Kalt. (A. vincae Walker). Buckton, 1, 

 p. 149. 



BORAGINACEAE. BORAGE FAMILY. 



AMSINCKIA. 



A. intermedia Fisch. Buckthorn weed. 



Aphis senecio Swain. Swain, 1918a, p. 17. 

 A. spectabilis Fand. M. 



Aphis senecio Swain. Swain, 1918a, p. 17. 



Mysus persicae Sulzer. Essig, 1911c, p. 600. 



