184 Wisconsin Academy of Sciences, Artsy and Letters. 
Acer sa-ccharinimi. 
Aphis quercifoliae Walsh. 
Drepanaphis acerifoliae Thomas. 
Longistigma caryae Harris. 
Pemphigus acerifolii Riley. 
Pemphigus stamineus Haldeman. 
Prociphilus tessellata Fitch. 
Acer succhaiaim=A. saccharinum. 
Drepanaphis aeerifoliae Thomas. 
Drepanaphis minutus Davis. 
Pemphigus aceris Monell. 
Prociphilus tesselata Fitch. 
Pterocomma salicti Harris. 
Acer tataricum. 
Chaitophorus aceris Linnaeus. 
Stomaphis grafii Cholodkovsky. 
Acerates floridana^gomphocarpus longifolius. 
Aphis asclepiadis Fitch. 
achillea ageratum. 
Macrosiphum millefolii DeGeer. 
Pemphigus hrevicornis Hart. 
Achillea ligustica. 
Aphis halsamitae Miiller. 
Aphis helichrysia Kaltenbach. 
Macrosiphum ahsinthii Linnaeus. 
Macrosiphum millefolii DeGeer. 
Achillea nullefolium. 
Aphis halsamitae Muller. 
Aphis dauci Fabrlcius. 
Aphis helichrysi Kaltenbach. 
Aphis plantaginis Schrank. 
Aphis rumicis Linnaeus. 
/ Aphis symphiti Schrank. 
Macrosiphum ahsinthii Linnaeus. 
Macrosiphum achilleae Fabricius. 
Macrosiphum achilleae Koch. 
Macrosiphum artemisiae Boyer, 
Macrosiphum millefolii DeGeer. 
Machosiphwm sonchi Linnaeus. 
