Quick Take The emerald ash borer (Agrilus planipennis) was first identified as an invasive species in the US in 2002. It is ...

Emerald ash borer confirmed in Robertson County, Tennessee, threatens ash trees. Learn symptoms, prevention tips and how ...

Add Yahoo as a preferred source to see more of our stories on Google. The tree-killing emerald ash borer made significant expansion within Fort Collins and in Colorado in 2025. The insect is now found ...

An emerald ash borer larva chews through the cambium layer of an infested ash tree in Armstrong, located in Emmet County. A buildup of feeding tunnels cut off the vascular or “plumbing system" of a ...

After being found last month in Dallas' Great Trinity Forest, the invasive emerald ash borer beetle is now also confirmed to be in four more North Texas counties. The Texas A&M Forest Service ...

HOLYOKE — A small green beetle burrowing in the city’s ash trees is putting them in danger. Officials are actively combating the emerald ash borer, an invasive species. Sometimes trees can be treated, ...

It’s almost summer, and for some bugs and pests, it’s the time they start gnawing on your trees. The D.C. area had very little rain — to the point of a drought — and Lou Meyer, an arborist with the ...

As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases. Peel back the bark, and you may find a predator in your ...

Winter isn’t the ideal season for pruning trees in Upstate New York, but it’s the best time to cut scion or twigs from ash trees in parts of the state where the species has been all but wiped out.

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 ...

Q: We live on 6.5 acres and have lost about a dozen oak trees in the past year. I don’t know why. Bark just falls off their trunks. I see small holes in the wood of the trunks. One Texas A&M Extension ...

This non-native beetle kills ash trees by feeding on the layer beneath the bark, cutting off water and nutrients. Approximately one-third of the trees in Fort Collins are ash trees, making the city's ...