View locations of EAB finds and biocontrol agent releases. Releases at new and select existing sites will continue. Fungi registered and commercially marketed as biological control agents. Animal and Plant Health Inspection Service (USDA-APHIS). Service/BPDL (USDA/ARS/BPDL) Biocontrol of Plant Diseases Laboratory webSite. There are now over 40 release sites in EAB infested areas of Minnesota. At the same time, one must keep in mind that biological control agents can have unanticipated.
They are in protective structures that are placed in the field then the adult wasps emerge within the next few weeks. To increase the efficiency of parasitoid rearing we began receiving and releasing immature stages of the parasitoids in 2013. We initiated releases in 2010 in southeastern Minnesota with adult parasitoids. This process can take ten years or more to complete. agrili were discontinued for northern regions because this species was unlikely to establish. Biocontrol agents are not available for use until they have undergone rigorous testing and have been approved for release by the United States Department of AgricultureAnimal and Plant Health Inspection ServicePlant Protection and Quarantine (USDA-APHIS-PPQ).
It covers the use of three main types of nematodes: entomopathogenic nematodes, entomophilic nematodes and slug-parasitic nematodes. A fourth species, Spathius agrili, was released in Minnesota from 2010 – 2012. This book documents and illustrates major developments in the use of nematodes for the biological control of insects and slugs. They are provided at no charge to state cooperators such as the Minnesota Department of Agriculture to release. The three species of parasitoid wasps released in Minnesota ( Tetrastichus planipennisi, Spathius galinae and Oobius agrili) are reared in a specialized USDA facility in Michigan.
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