Stingless wasps are battling emerald ash borer
The Minnesota Department of Agriculture (MDA) has confirmed that stingless wasps are doing their job in attacking emerald ash borer (EAB).
Two years after releasing the wasps at Great River Bluffs State Park near Winona, MDA staff has found reproducing wasp populations. This is the first time this wasp species has been recovered in Minnesota.
Are you a newspaper subscriber but you don't have a Digital Access account yet? https://secure.forumcomm.com/?publisher_ID=40&event=subscriber/lookup.
You will need your subscription account number and phone number. Not sure if you have an account? Email us at email@example.com and we can help you.