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Culture of the sugar beet
Macrolepidoptera and their parasites reared from field collections in the northeastern part of the United States
Moisture in wheat and mill products
The distribution of important forest trees of the United States
A study in hyperparasitism, with particular reference to the parasites of Apanteles melanoscelus (ratzeburg)
Help us corral the cactus moth
Living and working in a regulated area : Asian longhorned beetle : Massachusetts
The approval process for environmental release of biological control agents of weeds
Wild ducks and duck foods of the Bear River marshes, Utah
White pine under forest management