Recognize this boring insect?

Discussion in 'Pesticide & Herbicide Application' started by Meier, Sep 25, 2003.

  1. Meier

    Meier LawnSite Senior Member
    from DFW
    Posts: 269

    Here is a photo of a boring insect attacking a burford holly. These guys have gone systematically from one holly to the next, never attacking two at a time that we know of. They are actually building a tunnel of mud (or possibly it's saw dust from the plant) up the side of the trunk like a termite would do and they're eating it from the inside out.

    What is it? And more importantly, how do you treat it? Will the systemic pesticide "Merit" work on these guys?

    Thanks,
    DFW, TX

    boring on burford.jpg
     
  2. Ric

    Ric LawnSite Fanatic
    Posts: 11,957

    It might be flat head or twig Bores. Sorry. It is too late for Merit. Cygon If you can find it might be the only thing still around that will get them. If you can find some, add Hort oil as a sticker for the bark. The tree Huggers have gotten all the good Bore chemicals. At one time Lindane would have been the answer. Orthene might work but it is not a true systemic and you would have to give repeated treatment to be sure. It might be wise to treat all plants in the area with Merit as a preventive. Be sure to prune all infested twigs and burn them.
     

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