Hemlock Woolly Adelgid is Now in Ontario and Our Hemlocks Need Your Help

By: Colin Cassin, Policy Analyst, Invasive Species Centre (ISC)
Hemlock fans, I have some bad news for you. There is a new forest pest in Ontario that requires your attention. Now, if the name hemlock woolly adelgid sounds familiar to you, it may be because in the last decade two populations of HWA were detected and eradicated in Ontario. Immediate action was taken in both instances and our woodlots have enjoyed several HWA-free years as a result.

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