216 Wisconsin Academy of Sciences, Arts, and Letters. 
Ceratonia sp. 
Aphis ceratoniae Lichtenstein. 
Cercis siliquastruin. 
Aphis rumicis Linnaeus. 
Chaerophyllum aromaticum. 
Aphis chacrophylli Koch. 
Rhopalosiphum persicae Sulzer. 
Ohaerophyllum hirsutuin. 
Rhopalosiphum persicae Sulzer. 
Chaerophyllum roseum. 
Rhopalosiphum persicae Sulzer. 
Chaerophyllum sylvestris—C. maculatum. 
Aphis capsellae Kaltenbach. 
Macrosiphum pisi Kaltenbach. 
Macrosiphum ulmariae Schrank. 
Siphocoryne capreae Fabricius. 
Chaerophyllum temulum. 
Aphis anthrisci Kaltenbach. 
Aphis capsellae Kaltenbach. 
Aphis chacrophylli Koch. 
Macrosiphum pisi Kaltenbach. 
Macrosiphum ulmariae Schrank. 
Siphocoryne capreae Pabricius. 
Ohaerophyllum tuberosum. 
Aphis chaerophilli Koch. 
Ohaetochloa dactylon. 
Toxoptera graminum Rondani. 
Ohaetochloa glauca. 
Macrosiphum granarium Kirby. 
Chaetochdoa virldis. 
Toxoptera graminum Rondani. 
Chelrauthus chelri. 
Pemphigus dursarius Linnaeus. 
Pemphigus lactucarius Passerini 
