210 Wisconsin Academy of Sciences, Arts, and Letters. 
Aphis capsellae Koch. 
Aphis erysimi Kaltenbach. 
Aphis gossypii Glover. 
Aphis maidi-radicis Forbes. 
Aphis papaveris Fabricius. 
Aphis plcmtaginis Schrank. 
Aphis rumicis Linnaeus. 
Aphis scaMosae Scopoli. 
Aphis symphiti Schrank. 
Forda occidentalis Hart. 
Geoica squamosa Hart. 
Macrosiphum pisi Kaltenbach. 
Macrosiphum scaMosae Schrank. 
Macrosiphum solanifoUi Ashmead. 
Macrosiphum ulmariae Schrank. 
Rhopalosiphum persicae Sulzer. 
Capsicum annuum. 
Rhopalosiphum persicae Sulzer. 
Oaragana arborescens. 
Aphis medicaginis Koch. 
Macrosiphum caraganae Cholodkovsky. 
Oaragana pygmaea. 
Macrosiphum caraganae Cholodkovsky. 
Carduus sp. 
Aphis flaveola Walker. 
Aphis origani Passerini. 
Aphis pseudocardui Theobald. 
Aphis torticauda Gillette. 
Macrosiphum hieracii Schrank. 
Rhopalosiphum carduellinum Theobald. 
Carduus acanthoides. 
Aphis cardui Linnaeus. 
Aphis symphiti Schrank. 
Macrosiphum jaceae Linnaeus. 
Macrosiphum sonchi Linnaeus. 
Carduus crispus. 
Aphis cardui Linnaeus. 
Aphis symphiti Schrank. 
Macrosiphum jaceae Linnaeus. 
Macrosiphum sonchi Linnaeus. 
Carduus flodmanii. 
Macrosiphum circumflexa Buckton. 
