Carpenter Bee Problem?

Discussion in 'Pesticide & Herbicide Application' started by LKNServices, Mar 11, 2003.

  1. LKNServices

    LKNServices LawnSite Member
    Posts: 25

    Does anyone know how to stop carpenter bees from drilling holes in a wood siding house??? These bees have already started, and the homeowner says they are usually not out until the end of april. Thanks, Mark
  2. Tony Harrell

    Tony Harrell LawnSite Senior Member
    Posts: 739

    There is no good preventative treatment. The treatment will be an ongoing thing for the homeowner because the bees will come back to the same location year after year. Here's what you need to tell them; they'll need to get some 1/2" dowel rods from Lowes or Home Depot , some course sandpaper, and a pesticide to put into the hole(I prefer Drione dust). This will HAVE to be done a little past dusk because you want to trap the bee in the hole. Round off the end of the dowel with the sandpaper so it will go into the hole easier. Put some pesticide in the hole and immediatly jam the dowel in as far as possible. Them cut it off. At the end of the season, sand and repaint the repaired areas. I've been in pest control for years and this is the ONLY way to do it.

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