Historical Bertha Armyworm Population Maps

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These are the historical maps for bertha armyworm populations in Alberta from 2009 to 2016. Please click on the image to find a larger version of the map.

2018 Survey Map
2017 Survey Map
2016 Survey Map
2015 Survey Map
2014 Survey Map
2013 Survey Map
2012 Survey Map
2011 Survey Map
2009 Survey Map
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For more information about the content of this document, contact Scott Meers.
This document is maintained by Shelley Barkley.
This information published to the web on March 3, 2016.
Last Reviewed/Revised on January 16, 2019.