60 Wisconsin Academy of Sciences, Arts, and Letters. 
conifera, Phylloxera (Shimer), 1869. Trans. Am. Ent. Soc., II^ 
p. 397. Dactylosphaera. 
Carya cordiformis. 
coniferarum, Ohermeis ‘Cholodkovsky, 1889. Zool. Ans. XII, p. 222. 
Picea abies, Larix dicidua. 
conii, Siphocoryiie Davidson, 19 09. Jour. Econ. Ent., II, p. 304. 
Conium maculatum. 
conjuncta, Aphis Walker, 1848. The Zool. VI, p. 2220. 
Lycopsis arvensis. 
consolidae, Aphis Passerini, 18 63. Aphididae Italicae, p. 43. 
Matricaria chamomille, SympMtum o3cinale. 
consolidatus, Chermes Patch, 19 09. Psyche, XVI, p. 137. 
Larix laricina, Picea mariana, P. rubra. 
consona, Aphis Walker, 1849. The Zool., VII, p. 36, app. 
Prunus spinosa. 
consors, Aphis Walker, 1848. The Zool., VI, p. 2218. 
Cynogolssum officinalis. 
conspersa, Aphis Walker, 1849. The Zool., VII, p. 46, app. 
Scabiosa arvensis. 
consueta, Aphis Walker, 1848. The Zool., VI, p. 2219. , 
Lycopsis arvensis. 
consumpta, Aphis Walker, 1849. The Zool. VII, p. 54, app. 
Digitalis purpurea. 
contermhia, Aphis Walker, 1849. The Zool. VII, p. 31, app. 
Cakile maritima. 
convecta, Aphis Walker, 1849. The Zool., VII, p. 37, app. 
Prunus domestica. 
conviva, Aphis Walker, 1849. The Zool., VII, p. 36, app. 
Prunus spinosa. 
convolvuli, Macrosiphum (Kaltenbach), 1843. Mon der Pflanzen- 
lause, p. 40. Aphis. 
Convolvulus arvensis C. sepium, C. tricolor, Ipomoea purpurea, 
Nemophila sp., Vinca major, Y. minor. 
