Status and relative importance of the parasites of the Hessian fly in the Atlantic States
By: by C. C. Hill, J. S. Pinckney, and E. J. Udine.
Contributors: Pinckney, J. S. 1901-1940.; Udine, E. J. 1902-; United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 689; Technical bulletin (United States. Dept. of Agriculture) -- no. 689.
Publisher: U.S. Dept. of Agriculture
Published: 1939
Place of publication: Washington, D.C
Language: eng
Number of pages: 15
Subjects: Hessian flies -- Parasites -- Atlantic States; Host-parasite relationships; Parasitic insects -- Atlantic States -- Classification; Parasites -- Atlantic States
Genres: Classification.
Notes: Caption title.

"August 1939."