Video: How to Ball Sample for Hemlock Woolly Adelgid
Do you have eastern hemlock trees on your property? Do you care about preserving Canada’s environment and preventing the spread of invasive species? Join the Invasive Species Centre and ball sampling expert Jeff Fidgen and learn how to detect the invasive hemlock woolly adelgid with ball sampling! Learn more about ball sampling: http://ow.ly/TzQj50yAtjd Learn more […]