Wilson-Yickery—List of Aphididae. 
63 
coryli, Callipterus Koch, 18 55. Die Piianzenlause Aphiden, p. 
215, fig. 
Corylus americana. 
coryli, Macrosiplmm Davis, 1914. Can. Ent. XLVI, p. 48, fig. 
Corylus americana. 
coryli, Myzocallis (Goeze), 1778. Ent. Beitrage, II, p. 311. 
Aphis. 
Alnus glutinosa, Betula sp., Carpinus detulus, Corylus avellanUy 
Fraxinus excelsior, Myrica gale. 
corylinuni, Rhopalosiphum Davidson, 1914. Jour. Econ. Ent., VII, 
p. 134, fig. 
Corylus rostrata. 
costata, Lachnus (Zetterstedt) 1828. Zett. Faun. Ins. Lapp., I, 
p. 559. Aphis. 
AMes sp., Picea mariana. 
costata, Schizoneura Hartig, 1841. Zeit. Ent. (Germar), III, p. 
367. 
AMes sp., Finns sp. 
coweiii, Chermes Gillette, as var. of O. cooleyi Gillette which see. 
coweni, Macrosiphuiii (Hunter), 1901. Iowa Agr. Exp. Sta. Bui., 
60, p. 114. Nectarophora. 
A new name for M. artemisiae Cowen. 
Artemisiae tridentata. 
coweni, Phyllaphis (Cockerell), 1905. X::an. Ent. XXXVII, p. 392. 
Penujhigus. 
Arctostaphylos uva-ursi. 
craccae. Aphis Linnaeus, 1758. Edition 10, Systema Naturae, p. 
452. 
Yicia cracca, V. lutea, V. sativa, Y. villosa. No description was 
given until 1761, Fauna Suecica editia altera, p. 260. 
craccivora. Aphis Koch, 1854. Die Pflanzenlause Aphiden, p. 124, 
fig. 
Anagyris sp., Yicia cracca. 
crassa, Tychae 'Cockerell, 19 03. Psyche, X, p. 218. 
Pood plant not given. 
