Shiney Green Beetles attacking - Knowledgebase Question

Dallas, Te
Question by lisakin
September 17, 2010
Foam oozing from our sawtooth oak tree where beetles appeared to be sucking on it. Dug away soft foam areas. What should we do now to help protect our tree?


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Answer from NGA
September 17, 2010

0

I can't tell from your description whether the tree has a fungus and the beetles were attracted to the fungus, or whether the beetles did the damage. You may want to collect a few of them and take them into your cooperative extension office for identification. If the tree has a fungus such as oak wilt, you can try using a fungicide such as Alamo or Fungisol; if the beetles are the cause of the wound, you can control the beetles with Neem Away or other neem based insecticide or use a systemic such as Merit or Bayer Advanced Tree and Shrub Insect control. Both these products are used as a soil drench and after a few weeks it works its way into all the tissues of the trees, killing any insects that feed upon the leaves or stems. Your closest cooperative extension office is: Dallas County Cooperative Extension, 10056 Marsh Lane Suite B-101, Dallas, Texas 75229-6071 phone (214) 904-3050. Helpful folks there can diagnose the problem and make suggestions for control. Good luck with your oak tree.

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