Host plant preferences of caged populations of the tobacco budworm, cabbage looper, and soybean looper : and effect of supplemental releases of Trichogramma pretiosum and Chrysopa carnea on these thre...
[Quincy, Fla.], The Service, [1973]
1973
U.S. Department of Agriculture, National Agricultural Library
U.S. Department of Agriculture, National Agricultural Library
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