Dying tips on spruce trees can be the work of bugs such as the white pine weevil or it could be a disease, such as tip blight.

Study reveals how a tall spruce develops defense against hungry weevils. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2023 / 07 / 230710113929.htm ...

Bagworms and weevils are two bugs that can attack (and kill) spruce, but probably the most common is mites. These are microscopic bugs that suck the chlorophyll out of the needles and give the ...

Study reveals how a tall spruce develops defense against hungry weevils Peer-Reviewed Publication. North Carolina State University ...

The large pine weevil is native to Asia but also found throughout Europe and New Zealand. The major hosts are spruce and pine, though maple, birch, ash, larch and other trees can be infested. The ...

The white pine weevil is the "most serious and economically important native insect pest of spruce and pine regeneration in Canada" says the Canadian Forest Service. 3.

Adult pine weevils appear on the host tree throughout April and May as they fly or crawl to the tips of pine and spruce trees. The female chews out holes, deposits her eggs, and then seals the ...

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. Many Pine trees turn yellow ...

While blue spruce is favored by insects such as bagworms, white-vine weevil and spruce spider mites, much of the damage we ...

As a master's student at CU, I studied the exotic weevil's (Rhinocyllus conicus) presence on native thistles at treeline in the Rocky Mountains, CO. My dissertation work will take place in the San ...