252 Wisconsin Academy of Sciences, Arts, and Letters, 
Hesperis matronalis. 
Aphis brassicae Linnaeus. 
Heteropogon hirtus. 
Toxoptera graminum Rondani. 
Heuchera “hartwegii”, 
Macrosiphum heucherae Thomas. 
Heuchera hispida. 
Macrosiphum heucherae Thomas. 
Hibiscus sp. 
Aphis malvae Walker. 
Aphis medicaginis Koch. 
Rhopalosiphum persicae Sulzer. 
Hibiscus rosa-siuensis. 
Aphis gossypii Glover. 
Hieraciuin gronovil. 
Aphis annulipes Rafinesque. 
Hieracium murorum. 
Macrosiphum hieracii Schrank. 
Macrosiphum hieracii Kaltenbach. 
Macrosiphum jaceae Linnaeus. 
Macrosiphum picridis Fabricius^ 
Macrosiphum sonchi Linnaeus. 
Hieracium paniculatum. 
Aphis annulipes Rafinesque. 
Aphis hieracium-paniculatum Rafinesque. 
Hieracium pilosella, 
Amycla fuscifrons Koch. 
Macrosiphum hieracii Kaltenbach. 
Macrosiphum hieracii Schrank. 
Macrosiphum picridis Pabricius. 
Myzus tetrahoda Walker. 
Pemphigus radicum Boyer. 
Rhizobius pilosellae Burmeister. 
Trama radicis Kaltenbach. 
Trama troglodytes Heyden. 
Hieracium prealtum. 
Macrosiphum obscura Koch. 
