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 ...

Angela Mech, assistant professor of Entomology at University of Maine, has been leading the research for the i-Tree pest predictor. Mech specializes in invasive forest insects. University of Maine ...

Oak trees have a surprising trick to fight back against hungry caterpillars: they simply wait. When trees are heavily ...

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 ...

HOUGHTON LAKE, Mich. – An invasive insect that kills fir trees has been found in Roscommon County, marking the fifth Michigan ...

There are certain insects, like ticks and mosquitoes, that we really don't want around. Here are five bugs you should never ...

Box tree moths, an invasive species of insects that can defoliate and kill boxwood shrubs, have been detected in Michigan.

Here’s how to get rid of scale insects on indoor and outdoor plants. Scale insects are one of the most common and tenacious pest of ornamental plants. “Scales are tiny insects that appear rounded and ...

More than 271 million ash trees in Tennessee are at risk of being destroyed by emerald ash borers, an insect that arrived in Middle Tennessee in 2014, according to Nashville's Cheekwood Estate and ...

Michigan has 10 insects on its invasive species list. Many of these insects threaten trees and plants across the state. If you believe you have found one of these invasive insects, you can report it ...