|Authors :||Hill, C. C., Pinckney, J. S.|
|Title:||Keys to the Parasites of the Hessian Fly Based on Remains Left in the Host Puparium.|
|Publication info:||Beltsville, MD: U.S. Department of Agriculture, National Agricultural Library, Alternative Farming Systems Information Center
|Rights/Permissions:||Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S.|
Keys to the Parasites of the Hessian Fly Based on Remains Left in the Host Puparium.
Hill, C. C., Pinckney, J. S.
Washington DC: : United States Department of Agriculture, January 1940
F821 Pests of Plants (Insects and Other Arthropods)
biological control agents