Safeguarding your trees against pests is important to their health and longevity. Invasive species can wreak havoc by defoliating or infecting trees, and left untreated, can lead to loss of limbs and ...

Here’s how to identify these invasive species—and what to do about them.

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The Washington Invasive Species Council is asking residents to check trees and swimming pools in their yards for harmful bugs as part of the national Tree Check Month in August. August is the peak ...

Q: I have a pine tree that is oozing a waxy substance. There is so much of it that the rocks beneath the tree are shiny. I also noticed that the branches are covered with little black bugs. They look ...

Streetlights left on all night cause leaves to become so tough that insects cannot eat them, threatening the food chain, a study has found. “We noticed that, compared with natural ecosystems, tree ...

Tree borers are nasty little fellows. They're killing trees in the Coachella Valley and the high desert at a startling rate. Folks don't know borers are in the tree until it's too late for a cure. So ...

If you're a gardener (even someone just getting their feet wet), you know what it's like trying to manage insects, diseases and weeds in the garden. Once the season really starts going, we always have ...

Before you start looking for signs of spring in the garden, look around for trouble: insect eggs. “A number of problem insects overwinter as eggs on trees and shrubs,” said Sharon Yiesla, plant ...

Round, white hemlock woolly adelgid ovisacs are found on the undersides of branches near the base of the needles. (Michigan Department of Natural Resources) MISSAUKEE COUNTY, Mich. – Invasive balsam ...