Detection Surveys

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Learn more:

Reports, publications & fact sheets:

Emerald Ash Borer: Do I have it? (PDF: 407 KB / 1 Pages)
Ash Tree Identification (PDF: 7.95 MB / 2 Pages)
Native Borers and Emerald Ash Borer Look-alikes (PDF: 5 MB / 2 Pages)
Reference for Recognizing Insect Galleries in Ash Trees in Minnesota (PDF: 1.15 MB / 8 Pages)

External Links:

Detection Surveys in Minnesota

Adult emerald ash borer

Interactive Minnesota Survey Map The trapping season is from late spring to early fall, and traps are only shown on the map during the active trapping season. All positive finds are displayed.
Positive finds in Ramsey and Hennepin Counties (September 2011)
Postitive finds in Southeastern Minnesota (September 2011)
Purple Trap Surveys (2008) (PDF: 39 KB / 1 page)
Detection Tree Surveys (2005 – 2008) (PDF: 51 KB / 1 page)
Destructive Sampling of Declining Trees (2006 – 2008) (PDF: 39 KB / 1 page)
Introduction Risk Model (PDF: 10.5 MB / 11 pages)
Introduction Risk Map

MDA Contact

Mark.Abrahamson@state.mn.us
Invasive Species Abatement Program
Plant Protection Division