Santa Clarita Valley oak trees are being invaded by the goldspotted oak borer; an insect named for its iridescent black shell with gold spots that burrows underneath the bark of oak trees.

Raised ridges can be seen on the trunk and branches of infested trees. Keeping trees healthy helps to reduce their attractiveness to native borers. Insecticides can help protect valued trees. 1/4 to 1 ...

Emerald ash borer (EAB) is a very destructive insect pest that attacks all species of North American ash. Ash trees are killed if not protected by insecticides. The Minnesota Department of Agriculture ...

The City of Monticello has been awarded more than $80,000 from the state Department of Natural Resources to strengthen its ...

Trees have a delayed response to stress and injury due to their size and because they have large stores of food to live on. When insect borers feed on trees, most larvae feed in the phloem just ...

Flecking is a common early sign that an ash tree has emerald ash borer, an invasive insect. EAB is the most damaging threat to Wisconsin trees, killing more than 99 percent of the untreated ash trees ...

The emerald ash borer was prevalent in the Twin Cities. Now, smaller cities in Greater Minnesota are struggling to keep up ...

(KY3) - Beneath the serene beauty of the Ozarks, riverfront properties lie a destructive problem: the emerald ash borer. This tiny insect has infected countless ash trees, leaving experts with few ...

This variability could inform the development of hardier ash trees, resistant to both the invasive beetles and rising ...

The invasive emerald ash borer, according to the U.S ... killing tens of millions of ash trees, causing one of the costliest forest insect invasions to date. More than 90% of all ash infested ...