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  1. Zapping Small Hive Beetles: First Test Results

    The first test results have come from zapping small hive beetles with an electrical shocker. The zapper was placed in a hive that belongs to a math professor at Georgia Tech University. It has been...
  2. Value of Electrified Robber Screen vs. Inner Cover

    I was just talking to the beekeeper that originally asked me to think about SHB treatments. The notion of zapping small hive beetles within the inner cover as well as at a robber screen came out of...
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    Re: Maximum gap size to still keep bees out

    Radar, thanks, I had seen this table before but couldn't find it.

    Hardware cloth of 6-mesh, standard wire size, apparently has an opening of a nominal 0.132". I will assume that if a bee needs to...
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    Maximum gap size to still keep bees out

    Can anyone tell me the maximum gap size I can have in a bee/small-hive-beetle separator and still be assured of not having any bees squeeze into the beetle's area? The goal is to have about 1/8 inch...
  5. Re: Hives in the Sun--how many SHB stay vs leave until cooler?

    I'm glad you've had good results with DE. Maybe an internal zapper is not so important. It still seems that a hive would be better off if most of the beetles never got into the hive to begin with.
  6. Re: Hives in the Sun--how many SHB stay vs leave until cooler?

    This makes a lot of sense, particularly the constant temperature in the hive. Thanks.
  7. Re: Hives in the Sun--how many SHB stay vs leave until cooler?

    Thanks, Chris.

    What you are saying makes sense, I just wonder if its the whole story. I hear of many people talking about how they can see a large flow of hive beetles going into their hives in...
  8. Re: Hives in the Sun--how many SHB stay vs leave until cooler?

    If you read my main thread on zapping hive beetles, you will see that I use the hive itself as the lure. The beetles go straight to a robber screen, the home bees go to the true entrance. So, the...
  9. Re: Hives in the Sun--how many SHB stay vs leave until cooler?

    The internal zappers are mounted in vertical slots placed in the inner cover. The slots are flush with the inside of the long hive body walls, so a bee chasing a beetle up the wall will chase it...
  10. Re: Hives in the Sun--how many SHB stay vs leave until cooler?

    I was talking to a beekeeper who said that at least some of the SHB will leave during the day if a hive is hot and then he can see them come back at night after it starts cooling. Perhaps they are...
  11. Re: Hives in the Sun--how many SHB stay vs leave until cooler?

    The beetle walks across an electrode which shocks him. There is some sort of cap or other barrier, depending on the location, which results in a gap of about 1/8 of an inch between the top of the...
  12. Hives in the Sun--how many SHB stay vs leave until cooler?

    I understand that some small hive beetles leave a hive if it gets too hot and then come back when it gets cooler. Therefore, it is recommended to leave hives in a sunlit area even on a hot day.
    ...
  13. Re: Selectively Zapping Small Hive Beetles for Hive Protection

    Hi Phoebe,

    I really do not like buying from China. For many years my wife and I were holdouts, not buying anything from China if there was any reasonable US-made alternative. Eventually, almost...
  14. Re: Selectively Zapping Small Hive Beetles for Hive Protection

    Hi Pete,

    Thanks for your thoughts.

    Actually, the prototypes will use circuit boards for the beetles to walk on, much as you suggested. I initially thought about ENIG (Electroless Nickel...
  15. Re: Selectively Zapping Small Hive Beetles for Hive Protection

    Status update: I have a couple of people with active hive beetles ready to do some testing. The parts for the electronics should be here on Tuesday, hopefully the equipment should be installed on...
  16. Thread: Mite Free?

    by TimStout
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    Re: Mite Free?

    It seems like this might be a good reason to use a robber screen at all times. I understand that all hives apparently have at least some degree of robbing; it is only the week ones that let it get...
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    Re: where to buy dvd cases?

    I do a fair amount of video and audio editing and get my supplies from www.camaudio.com . They ship, although they are local to me and I just pick them up from their store. They show all kinds of...
  18. Re: Selectively Zapping Small Hive Beetles for Hive Protection

    This is a target schedule:

    1. February 14. Testing with lady bugs done. At least one, maybe two prototypes built and sent to the testers, to arrive by Monday 2/17. The prototype will include a...
  19. Re: Selectively Zapping Small Hive Beetles for Hive Protection

    Julysun,

    I REALLY like your idea of getting some lady bugs. I will probably need to experiment with only a few to find out what I need to know. I currently have a 26 month old grandson living...
  20. Re: Selectively Zapping Small Hive Beetles for Hive Protection

    Actually, I use the term "zap" rather loosely. Most insect zappers apply several thousand volts and try to explode the insects. It kills them, but is messy. Any disease bacteria or viruses the insect...
  21. Re: Selectively Zapping Small Hive Beetles for Hive Protection

    I would much prefer stainless myself; for those wanting to know where to get it, it is available from TWP Inc. in Berkeley, CA. In round numbers, though, it is about $10 a square foot, which is much...
  22. Re: Selectively Zapping Small Hive Beetles for Hive Protection

    From what I have read, SHB are very sensitive to honey/hive odors. If the wind is right, they will probably find you before you find them. They can travel many miles a day.
  23. Re: Selectively Zapping Small Hive Beetles for Hive Protection

    High voltage lines are very high voltage. Check out YouTube for "fluorescent lights under transmission lines." There is enough voltage under a transmission line to light up a fluorescent bulb,...
  24. Re: Selectively Zapping Small Hive Beetles for Hive Protection

    Electronics lasts a long time. I would expect the control circuitry to last over a decade.

    The electrodes are a different issue. The current expected approach is to use a printed circuit board...
  25. Selectively Zapping Small Hive Beetles for Hive Protection

    I have recently applied for a patent on a new method of protecting beehives from SHB. It uses a robber screen with powered electrodes around the outer edges. A protective cover provides a 1/8 inch...
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