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 ...

Common European spittlebugs secretly spread a deadly bacterium, Xylella fastidiosa, threatening over 600 plant species.

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 River State Park, Davey Tree Expert ...

The Penn State Extension of Berks County Master Gardeners will be featuring questions and answers to inquiries received through their Garden Hotline. Q. I’m seeing small insects on the stems of my ...

Stink bugs get an understandably bad rap, thanks to their smelly defense mechanism. Here's how to identify the harmful ones ...

Are you suddenly finding groups of ½-inch long, black-orange insects on your property? Chances are, you have a boxelder infestation. Hailing from the same family as cicadas and stink bugs, boxelder ...

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, ...

The long-struggling Florida citrus industry now faces an invasive species crisis, but researchers have a plan to fight back.

Public comments accepted through Feb. 9 on measure that would require heat treatment for imported campfire logs while ...