Since 2010, Mason has been known to be infested by hemlock woolly adelgid (HWA), a small invasive insect that threatens our native hemlock trees.
You can read more about this issue on the following web sites:
- NH Division of Forests and Lands:
This site includes a list and map of infested towns in NH, and a wallet card with photos that you can use to identify the hemlock woolly adelgid and the phone number that you should call if you see this insect.
If you suspect that you have hemlock woolly adelgid on your property, take a picture, note the location, and call the following number: 464-3016.