Species like spotted lanternflies, zebra mussels and wild pigs are popping up around the commonwealth. Here's how to handle ...

"Hemlock woolly adelgid is a small insect that uses its long, siphoning mouthparts to extract sap from hemlock trees," MDARD said. "This feeding weakens needles, shoots and branches.

Hemlock woolly adelgid has been detected in Van Buren and Manistee counties, now spreading to 11 counties. DNR seeks public assistance to monitor the invasive pest.

Hemlock woolly adelgid is an invasive insect in New York Hemlock trees serve an important role in preserving waterways and species that live there. An invasive insect is threatening one of the ...

Hemlock woolly adelgid, pictured here, was first spotted in Michigan in 2006. Ever since, this insect has posed a danger to Michigan's 170 million eastern hemlock trees. (Michigan DNR) ...

That beetle, called Sasajiscymnus tsugae, is only about 2 millimeters long, but it’s been having a big impact on the invasive hemlock woolly adelgid, its exclusive food source.

The Hemlock Woolly Adelgid. Or HWA, is a very small insect that has been killing North American hemlock forests in the 1950s. It has been moving slowly northward, adopting to the colder climates.

Leelanau County has been added to Michigan’s hemlock wooly adelgid quarantine, after the insect was found on trees on a private property in Leelanau Township, becoming the ninth county in the ...

Leelanau County has been added to Michigan’s hemlock wooly adelgid quarantine, after the insect was found on trees on a private property in Leelanau Township, becoming the ninth county in the state ...

Mott said hemlock woolly adelgid likely arrived in Michigan on infested nursery stock from northeastern or mid-Atlantic states. “Although the tiny insects don’t move far on their own, they can ...

The hemlock woolly adelgid is an aphid-like insect, native to East Asia, but was found near Richmond, Virginia in 1951. It appears oval-shaped and a pale yellowish-green.