The grape root-worm [Fidia viticida] with special reference to investigations in the Erie grape belt from 1907 to 1909.
By: By Fred Johnson and A.G. Hammar ...
Contributors: Hammar, Alfred Gottlieb, [from old catalog] joint author.
Series: U.S. Dept. of agriculture. Bureau of entomology. Bulletin -- no. 89 [from old catalog]
Publisher: Govt. print. off.
Published: 1910
Place of publication: Washington
Language: eng
Number of pages: 100
Subjects: Grape root worm. [from old catalog]