242 Wisconsin Academy of Sciences, Arts, and Letters. 
Fagopymin sp. 
Myzocallis saccharinus Del Guercio. 
Fagopyrum esculentum. 
Macrosiphum solanifolii Ashmead. 
Toxoptera graminum Rondani. 
Fagus sp. 
Aphis pallipes Hartig. 
Chermes fagi Altum. 
Pemphigus fagifoUae Del Guercio. 
Pemphigus indicus Keiffer. 
Fagus ferruginea. 
Phyllaphis fagi Linnaeus. 
Fagus grandifolia^F. ferruginea. 
Phyllaphis fagi Linnaeus. 
Pemphigus imbricator Fitch. 
Fagus sylvatica. 
Lachnus exsiccator Altum. 
Pemphigus imbricator Fitch. 
Phyllaphis fagi Linnaeus. 
Pterochlorus roboris Linnaeus. 
Falcaria vulgaris. 
Aphis sii Koch. 
Festuca sp. 
Sipha glyceriae Kaltenbach. 
Festuca elatlor. 
Toxoptera graminum Rondani. 
Tychea trivialis Passerini. 
Festuca heterophyllai=F. ovina? 
Macrosiphum granarium Kirby. 
Toxoptera graminum Rondani. 
Festuca ovina. 
Aphis avenae Fabricius. 
Brachycolus stellariae Hardy. 
