Historical Bertha Armyworm Population Maps

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
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2015 Survey Map	2014 Survey Map	2013 Survey Map
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2012 Survey Map	2011 Survey Map	2009 Survey Map

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.