228 Maine Agricultural Experiment Station. 1919. 



Aphis nerii Boyer (asclepiadis Fitch). Sanborn, 1904, p. 52. 



Aphis nerii Fonsc. Essig, 1917a, p. 340. 



Aphis papavcris Fab. Kaltenbach, 1874, p. 269. 



Aphis rumicis Linn. Walker, 1850a, p. 19. 



Aphis silybi Passerini. Del Guercio, 1909 (1910), Redia VII, 



p. 297. 

 Cryptosiphum nerii Perez. Wilson, 1918, p. 276. 

 Mysus asclepiadis Pass. Ferrari, 1872, p. 62. 

 Myzus nerii Boyer. Wilson, 1918, p. 276. 

 Rhopalosiphum dianthi (Schrank) Koch (persicae, Puceron du 



pecher Morren) (rapae Curtis) (floris rapae Curtis) (dubia 



Curtis) (vastator Smee) (persicaecola Boisduval). Buckton, 



2, p. 17. 

 Rhopalosiphum persicae Sulzer. Wilson, 1918, p. 276. 

 N. sp. 



Aphis lutescens Monell. Lichtenstein, La Flore. 

 Cryptosiphum nerii Stefani. Schouteden, 1906c. 

 Rhopalosiphum persicae Sulzer. Lichtenstein, Flore Supplement. 



VINCA. Periwinkle. 



V. major L. 



Amphorophora latysiphon Davidson. Davidson, 1912, p. 409. 



Macrosiphum convolvuli Kalt. Wilson, 1918, p. 353. 



Macrosiphum vincae Walker. Wilson, 1918, p. 353. 



Mysus vincae Gillette. Davidson, 1910, p. 380. 



Siphonophora convolvuli Kalt. (A. vincae Walker). Buckton, 1,„ 

 p. 149. 

 V. minor L. Common Periwinkle. "Myrtle." 



Aphis vincae Walker. Kaltenbach, 1874, p. 438. 



Macrosiphum convolvuli Kalt. Theobald, 1913, p. 55. 



Macrosiphum vincae Walker. Wilson, 1918, p. 353. 

 V. sp. 



Macrosiphum circumflexa Buckton. Wilson, 1918, p. 353. 



Mysus circumflexus Buckton. Swain, 1919a, p. 176. 



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



Mysus vincae Gillette. Gillette, 1908b, p. 19. 



Rhopalosiphum persicae Sulzer. Wilson, 1918, p. 353. 



ASCLEPIADACEAE. MILKWEED FAMILY. 



ACERATES. Green Milkweed. 



A. angustifolia Nutt. See Asclepias stenophylla Gray. 

 A. floridana (Lam.) Hitche. (longifolia). 



Aphis asclepiadis Fitch. Williams, 1891, p. 17. 







