Researchers at Grand Valley State University discovered spider webs effectively collect DNA from pests like hemlock woolly ...

Hemlock woolly adelgid (HWA) is an invasive insect that's killing hemlock trees along the West Michigan coast. It's seen here at Lake Harbor Park in Norton Shores on Tuesday, Oct. 19, 2021.

Over 170 million trees in Michigan are threatened by the tiny insect, which siphons sap from hemlock trees.

The hemlock woolly adelgid has invaded two more Michigan counties, threatening trees in 11 counties total.

The Michigan Department of Natural Resources is asking people with eastern hemlock trees on their property to take time this winter and check them for signs of hemlock woolly adelgid.

The quarantine regulates the movement of hemlock and tiger-tail spruce trees, forest products and nursery stock, with some exceptions, from the quarantine areas to other locations within the state.

Two more Michigan counties have been added to the list of places under quarantine for a bug that can kill hemlock trees, state officials said Friday. The Michigan Department of Agriculture and ...

The invasive hemlock woolly adelgid has now been detected in Antrim County, joining seven other counties.

The hemlock woolly adelgid has invaded two more Michigan counties, threatening trees in 11 counties total.

Antrim County becomes latest to be found with hemlock woolly agelid. Infested trees turn gray-green and, without treatment, can die in four to 10 years.

The Michigan Department of Agriculture and Rural Development announced Monday that they have verified the presence of the hemlock woolly adelgid near Torch Lake in western Antrim County.

If hemlock trees on your property show signs of hemlock woolly adelgid infestation, now is a good time to plan for spring treatment of this invasive species, the Michigan Department of Natural ...