If you have an oak tree that is brown at the ends of the branches, Kermes scale may be the culprit. Not yet a perennial problem in our area, the scale has been more prevalent in recent years. This summer's outbreak is particularly widespread.
Pin oaks specifically are suffering from twig dieback as the result of this pest. Look at the twigs between the leaves, you will be able to see the scale if it is indeed the cause of the damage.
If you wish to treat, call a local tree care company. They should have a product to take care of the scale. To request an estimate from Ryan Lawn & Tree, visit www.ryanlawn.com/estimate.
As trees get larger, it is more difficult for homeowners to treat themselves. (Proper coverage is essential to most treatments.) However, if you want to give it a try, your local garden center should have a product to take care of the scale.
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