Here’s a link to information about the Hemlock Woolly Adelgid. The Hemlock Woolly Adelgid has been found in the town of Niskayuna at certain residences and in the Lisha Kill.
Here’s a link to a page about the Emerald Ash Borer. The Emerald Ash Borer has been found in certain locations in the town of Niskayuna.
Here is a link to information concerning Oak Wilt. Oak Wilt has been found in neighboring communities such as Glenville, NY.