Suppliers of beneficial organisms in North America / Charles D. Hunter.
|Main Author:||Hunter, Charles D.|
Sacramento, Calif. : California Environmental Protection Agency, Dept. of Pesticide Regulation, Environmental Monitoring and Pest Management, 1992.
> Biological control
Insect rearing > Directories.
Beneficial insects > Catalogs and collections.
Biological pest control agents > Catalogs and collections.
31 p. ;
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