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Ash and Honeylocust Plant Bugs in Minnesota

The most common tree feeding plant bugs in Minnesota are the ash plant bug and the honeylocust plant bug.  The ash plant bug feeds on green, white and black ash while the honeylocust plant bug feeds on all varieties of honeylocust planted in urban landscapes.

Emerald Ash Borer
The Emerald Ash Borer (Agrilus planipennis Fairmaire), commonly referred to as EAB, was introduced to the United States from Asia and first detected in southeast Michigan in June 2002.  This destructive beetle has killed tens of millions of ash trees where it has been discovered. 

Since 2002, it has spread to a number of additional states. EAB was discovered in St. Paul in May 2009. There are approximately 870 million ash trees in Minnesota, one of the largest concentrations of any state in the country.
Select the following links for more information,,

Columbia Heights EAB Management Plan

Homeowner EAB Tree Treatment Information

Multi-State EAB Insecticide Fact Sheet                                                                   

Moving untreated firewood can spread pests. Many invasive pest species live on or in trees, lumber, and firewood. Quarantines are in place for counties affected by Emerald ash borer help prevent new infestations within the state. New infestations may be found so check quarantine maps on a regular basis.

Firewood in quarantined counties cannot be moved without a certificate.For q
uestions about invasive species and firewood regulations contact the Minnesota Department of Agriculture, Plant Protection Division, at 651-201-6684 (metro) or 888-545-6684 (greater Minnesota) or via email at .

Contact Columbia Heights
590 40th Ave. NE
Columbia Heights, MN 55421
Ph: (763) 706-3600
Fx: (763) 706-3601
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