Something is quietly killing the Midwest’s ash trees. The culprit is small enough to fit on a fingernail, brilliant green in ...

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 ...

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 ...

Welcome to our tree column, “Ask your local arborist.” Each month, arborists from the Davey Tree Expert Company in Menlo Park discuss a tree-related topic from general care and planting tips to how ...

Another way to lure beneficial insects to your garden is to incorporate plants they're attracted to. Many of the insects we ...

Treatment for invasive pests is scheduled to begin on ash trees in Bay County.

This video is no longer available. Some bugs are OK, others are not, and the same goes for trees growing in the D.C. region. What should you be on the lookout for? During a walk-through at Patuxent ...

Climate-induced warming is fueling the proliferation of insects keen on invading Colorado’s forests and leaving the trees they devour for dead, a new report has found. After a wet and cool 2023, ...

Scientists have planted American trees in China, Korea and elsewhere to attract hungry insects. Their hope is to identify the ...

PORTLAND, Ore. (KOIN) — The state of Washington is asking residents to keep an eye out for invasive insects on trees this summer. Late summer is usually the peak for invasive wood-boring insects to ...

This column is written by the Master Gardeners of Yolo County each month. It provides answers to selected questions that recently came into the UCCE Master Gardener – Yolo County Help Desk. Question: ...