Progress report on studies of Hypera brunneipennis (Boh.) in the Yuma Valley of Arizona /
[Washington, D.C.] :[U.S. Department of Agriculture, Bureau of Entomology and Plant Quarantine],
University of Florida, George A. Smathers Libraries with support from LYRASIS and the Sloan Foundati
Public domain. The BHL considers that this work is no longer under copyright protection.