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Wild elk are found in parts of Minnesota and while relatively rare, they sometimes cause considerable crop damage in this

emerald ash borer egg
Biological Control of EAB
Learn how biological control helps manage emerald ash borer.
Adult T. planipennisi wasp with black body and see through wings
Parasitoid Wasps
Learn about the three species of parasitoid wasps used to reduce EAB populations.
emerald ash borer larvae in tree bark
Biocontrol Releases
Discover how the MDA uses USDA-reared parasitoid wasps to manage and control EAB infestations.
yellow trap bowl attached to tree bark
Biocontrol Recovery
Explore the methods used to recover and monitor parasitoid wasps released for EAB biological control.
tree with piece of stripped bark showing emerald ash borer tunneling
Research & Implementation
Explore research projects and key findings from EAB biocontrol efforts in Minnesota.