Abstract
Myzodes, Mordv., 1914, typeMyzodes tabaci, Mordv. (═Aphis persicae, Sulzer) is a synonym ofNectarosiphonSchouteden, 1901 (nom. nov. forMacrosiphum, Del Guercio, 1900, nec Passerini, 1860). Following Baker's 1920 Generic Classification,Aphis convolvuli, Kalt. (which clearly isAphis persicae, Sulzer) is the type ofMacrosiphum, Del Guercio, and therefore ofNectarosiphonSchouteden, a subgenus ofMyzus, Pass.