Keys to the parasites of the Hessian fly based on remains left in the host puparium / by C.C. Hill and J.S. Pinckney.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Dept. of Agriculture,
1940.
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| Series: | Technical bulletin (United States. Department of Agriculture) ;
no. 715. |
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