54 Wisconsin Academy of Sciences, Arts, and Letters. 
cerasi, Aphis Sclirank, 18 01. Fauna Boica, II, p. 115. 
Primus cerasus, P. domestica, P. persica, P. spinosa. 
cerasi, Myzus (Fabricius), 1775. Systema Entomologiae, p. 734. 
Aphis. 
OpJirys aranifera. PJiotinea serratula, Prunus avium, P. cerasus, P. 
domestica, P. maiialeh, P. persica, P. serotina. 
cerasicolens, Aphis Fitch, 1851. Kept. Reg. Univ. State N. Y. ‘Cab. 
Nat. Hist. p. 65. 
Prunus avium, P. serotina. 
cerasifoliae, Aphis Fitch, 1855. First Kept. Nox. & Ben. Insects 
N. Y., p. 131. 
Prunus avium, P. nigra, P. pennsylvanicum, P. serotina, P. vir- 
giniana. 
cerasina, Aphis Walker, 1850. Ann. Mag. Nat. Hist., ser. 2, VI, 
p. 43. 
Prunus avium. 
cerastii, Macrosiphum (Kaltenbach), 1846. Ent. Zeit. (Stettive), 
VII, p. 171. Aphis. 
Cerastium arvense, Stellaria graminea, 8. holostea. 
ceratoniae, Aphis Lichtenstein, 1884. La Flore des Aphidens, p. 
18. No description. 
Ceratonia sp. 
cerealis, Macrosiphum (Kaltenbach), 1843. Mon. der Pflanzen- 
lause, p. 16. Aphis. 
Agropyron repens, Agrostis alba, Apera spicaventi, Avena fatua, A. 
sativa, A. strigosa, Bromus liordeaceous, B. secalinus, B. ster- 
ilis, Dactylis glomerata, EcJiinocTila crus-galli, Elymus cana¬ 
densis, E. virginicus, Glyceria fluitans, Holcus lanatus, H. mol¬ 
lis, Hordeivm distichon, H. murinum, H. vulgare, H. vulgare- 
Mmalayense, Lolium perenne, Poe annua, P. pratensis, Poly¬ 
gonum persicaria, Secale cereale, Betaria viridis, Trifolium 
pratense, Triticum sativum, T. spelta, T. villosum, T. vulgare. 
cerealium, Schizoiieura Szaniszlo, 1880. Term Fuzetek, IV, pp. 
192-196-233. 
Hordeum sp., Triticum sp. 
cerricola, Pterochlorus Del Guercio, 1909. Redia, V, p. 266, fig. 
Quercus cerris. 
