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1898 

 Snyder, Mrs. A. J. ^r ^ -^r^ oq ini 



Trypcta solidagims. Canadian Ent. Vol. 30, pp. 99-101. 



1914 



A study of Dryophanta evinacei (Mayr) and its galls. Annals 

 Ent. Soc. Am. Vol. VII, No. 1, pp. 1-34. 



