DNR Staff Report More and more homeowners are becoming alarmed over the “worms” that are devouring the needles of their pine trees, according to the Minnesota Department of Natural Resources .

If your pine tree is suddenly infested with a black-headed, Medusa-like worm, fear not — chances are the tree is simply hosting a colony of European Pine Sawfly larvae. Sawfly larvae hatch in ...

QUESTION: Last weekend I was working under a large pine tree and noticed something falling on my head. I discovered they were tiny worms about one-eighth to three-sixteenths of an ...

Learn how to get rid of bagworms with these techniques from experts. Discover pest control options, prevention tips, and safe ...

Their larvae eat the wood until they transform into ... Zhao’s team first noticed that although the beetle grub is surrounded by nematodes inside a pine tree, very few of these worms are in the ...

As the larvae feed, they work their way back out toward the outer surface of the tree. When an adult pine sawyer beetle eventually emerges, the nematodes move into the respiratory opening of the ...

Sawflies can also damage Japanese black pine. They devour the needles, causing defoliation and weakening the tree's health.

Is your white pine tree dying? Perhaps, but probably not. Let’s take a close look at your tree and see if there’s anything to worry about, or anything you need to do.

Is your pine tree dying? Perhaps, but probably not. Let’s take a close look at your tree and see if there’s anything to worry about, or anything you need to do.