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  1. #1
    Join Date
    Apr 2010
    Location
    Tipton, TN, USA
    Posts
    784

    Default Screen Size for Varroa?

    I'm looking to make some screened bottom boards and want to know the proper screen size.

    However, I do not want the screen holes large enough that the SHB can get through them.

    My current commerically produced bottom boards appear to be 1/8" mesh and allow the SHB to enter through the screen. Obviously the larger beetles can not, but I've watched quite a few avoid the bees by dancing on the bottom of the screen.

    I have some window screen that is 1/16" or so. Will Varroa pass through this?

    Thanks.

  2. #2
    Join Date
    Jul 2007
    Location
    Geneva,Florida, Seminole USA
    Posts
    290

    Default Re: Screen Size for Varroa?

    Its called number 8, just a tad bigger than window screen.

  3. #3
    Join Date
    Apr 2010
    Location
    Tipton, TN, USA
    Posts
    784

    Default Re: Screen Size for Varroa?

    #8 = 1/8 inch..

    That's what I have now.... and the SHB invade through the screen... Varroa should be smaller than shb.

  4. #4
    Join Date
    Apr 2006
    Location
    Pepperell, MA.
    Posts
    3,771

    Default Re: Screen Size for Varroa?

    Number 8 should work right. You can double screen (put two layers right on top of each other) and the offset of the wires makes the screen effectively smaller.
    "My wife always wanted girls. Just not thousands and thousands of them......"

  5. #5
    Join Date
    Apr 2010
    Location
    Tipton, TN, USA
    Posts
    784

    Default Re: Screen Size for Varroa?

    I found some #10 screen.

    According to the web.. Varroa's are 1.6mmx1.6mm on the large size. The #10 should be roughly 1.9mm mesh.

    SHB are suspose to be 3.5mm wide. So hopefully, that will take care of most of the SHB coming in from the bottom and still let the varroa fall out.

    Either way, going to give it a try.

  6. #6
    Join Date
    Oct 2007
    Location
    VENTURA, California, USA
    Posts
    3,604

    Re: Screen Size for Varroa?

    Kevin,
    Here's a web site that has speciality insect screen:
    http://www.twpinc.com/twpinc/control...ry_id=TWPCAT_9
    Good luck with your endeavor
    Ernie
    Ernie
    My websitehttp://bees4u.com/

  7. #7
    Join Date
    Jul 2010
    Location
    Romney, West Virginia, USA
    Posts
    67

    Default Re: Screen Size for Varroa?

    Quote Originally Posted by Ravenseye View Post
    Number 8 should work right. You can double screen (put two layers right on top of each other) and the offset of the wires makes the screen effectively smaller.
    If you were going to do that why not just use window screen? It is much cheaper than #8, at least around here.

  8. #8
    Join Date
    Feb 2003
    Location
    Lake county, Indiana 46408-4109
    Posts
    3,540

    Default Re: Screen Size for Varroa?

    Just use #8 wire that will let the mites and a lot of juink fall through where window screen wont.

    You will NOT keep SHB from entering the hive because they fly in the entrance with the bees
    Ed, KA9CTT profanity is IGNORANCE made audible
    you can`t fix stupid not even with duct tape

  9. #9
    Join Date
    Apr 2010
    Location
    Tipton, TN, USA
    Posts
    784

    Default Re: Screen Size for Varroa?

    I ordered some #10 wire screen. I got it pretty cheap.

    I believe that window screen is smaller than 1.6mm, which is what the Varroa are suspose to max out at.

    As for the SHB, I have another plan for them...

    And I need to be able to keep them out of the rest of the hive.

    Once I get my SHB plan tested/proved. I'll follow up here.

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