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  1. #1
    Join Date
    Nov 2009
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    Manning, SC
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    1,777

    Default Will Paradichlorobenzene kill SHB or any larvae in stored comb?

    Anyone know?

  2. #2
    Join Date
    Mar 2006
    Location
    Seattle, WA
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    213

    Default Re: Will Paradichlorobenzene kill SHB or any larvae in stored comb?

    If the combs are sealed properly...It should....

  3. #3
    Join Date
    Jan 2010
    Location
    Alachua County, FL, USA
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    6,435

    Default Re: Will Paradichlorobenzene kill SHB or any larvae in stored comb?

    PDB killed SHB for me but the concentration is higher than wax moths to be effective. BT just makes them laugh while they are eating.
    americasbeekeeper.com
    beekeeper@americasbeekeeper.com

  4. #4
    Join Date
    Mar 2006
    Location
    Seattle, WA
    Posts
    213

    Default Re: Will Paradichlorobenzene kill SHB or any larvae in stored comb?

    BT is specific to Lepidoptera

  5. #5
    Join Date
    Jun 2009
    Location
    Huntsville, Alabama
    Posts
    674

    Default Re: Will Paradichlorobenzene kill SHB or any larvae in stored comb?

    Too...many...big...words....must...nap...now...

  6. #6
    Join Date
    Nov 2009
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    Manning, SC
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    Default Re: Will Paradichlorobenzene kill SHB or any larvae in stored comb?

    Quote Originally Posted by AmericasBeekeeper View Post
    PDB killed SHB for me but the concentration is higher than wax moths to be effective.
    Stored some supers that I thought were clear of SHB and any of their eggs or larvae. Much to my surprise, I soon noticed pupa crawling out from them. After looking I found small infestations of all ages. Washed them out and stored again, this time using PDB. That wiped them out.

    So I guess I'm saying beware. Wax moths are not your only problems with stored supers. Altho I hate doing so, I don't think I'll store supers again without using PDB. Drawn comb is just too valuable and there is just no sure way of knowing that SHB (or their eggs) are not already in them.
    Last edited by snl; 06-17-2012 at 12:41 PM.

  7. #7
    Join Date
    Jun 2012
    Location
    Lincolnshire, England
    Posts
    6

    Default Re: Will Paradichlorobenzene kill SHB or any larvae in stored comb?

    Why use PDB when it is really difficult to air the comb long enough/well enough when you want to give it back to the bees. 24 hours in the freezer deals efficiently with wax moth and I'm fairly sure that SHB would seccumb as well.
    May you live long and prosper,
    Silverlode

  8. #8
    Join Date
    Nov 2009
    Location
    Manning, SC
    Posts
    1,777

    Default Re: Will Paradichlorobenzene kill SHB or any larvae in stored comb?

    Quote Originally Posted by Silverlode View Post
    24 hours in the freezer deals efficiently with wax moth and I'm fairly sure that SHB would seccumb as well.
    So very true........if you have either a very large freezer or a small amount of comb. You don't know when you put the comb up if some SHB are hiding in there somewhere or have left their eggs to hatch......so PDB. I learned the hard way.....

  9. #9
    Join Date
    Nov 2011
    Location
    Winhall, VT
    Posts
    1,070

    Default Re: Will Paradichlorobenzene kill SHB or any larvae in stored comb?

    I have put PDB stored combs onto a hive after airing it out for less than an hour without any problems. Rather air it out for 24 hours but sometimes you need a super right away!
    Raising Vermont Bees one mistake at a time.
    USDA Zone 5A

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