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Thread: Thymol & mites

  1. #1
    Join Date
    Nov 2004
    Location
    Camarillo, CA, USA
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    316

    Default Thymol & mites

    Question , How or what is the mechanism with Thymol that kills v mites?

    Also, how would you suggest to use Thymol?

    looking for additional soft treatments for mites at different times during year.

    Thanks in advance
    Larry Pender,Jubilee HoneyBee Company,Camarillo, CA

  2. #2
    Join Date
    Dec 2008
    Location
    Menomonee Falls, Wis.
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    2,811

    Default Re: Thymol & mites

    Check Randy Oliver's site. But remember, if you measure your thymol syrup in Milli-moles, he will claim you are not a beekeeper( a comment I took personal).

    Crazy Roland

  3. #3
    Join Date
    Jan 2005
    Location
    FRASER VALLEY, BRITISH COLUMBIA
    Posts
    1,349

    Default Re: Thymol & mites

    Thymomite from Heilyser Technologies is a fine product. It is a strip impregnated with 12g of thymol. Add 1 strip on the top bars, 2 weeks later a second one. Treat when temps are below 90F. works pretty good. Price is reasonable.

    You can also add 2 tsp of thymol in the lid of a honey jar. You need a screen of sorts place on the lid to keep the bees from removing the thymol. You would also need an inner cover o there is sufficient room to place the thymol. the bees tend to want to propolize the screen to seal the thymol vapours.

    I have tried the former method and not the latter.

    Jean-Marc

  4. #4
    Join Date
    May 2013
    Location
    Laurel Hill, Fl
    Posts
    471

    Default Re: Thymol & mites

    Anybody use it in a fogger with FGMO, if so, how much?

  5. #5
    Join Date
    Sep 2007
    Location
    New Albany, Ohio, USA
    Posts
    430

    Default Re: Thymol & mites

    Larry,

    My understanding is that Thymol is a “membrane disruptor”. To me this is like putting soap or salt on an open wound. Mites and insects have soft connective tissue around moving parts that are susceptible.

    There are some commercial applications on the market and some homemade applications too.

    Joe
    Breeder Queens & Honey Bee Nutritional Supplements
    www.latshawapiaries.com

  6. #6
    Join Date
    Feb 2013
    Location
    Clintwood VA USA
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    56

    Default Re: Thymol & mites

    I intend to use 1 drop Thymol per ounce of FGMO and see how it works.

  7. #7
    Join Date
    Feb 2006
    Location
    Herrick, SD USA
    Posts
    4,620

    Default Re: Thymol & mites

    Quote Originally Posted by jean-marc View Post
    Thymomite from Heilyser Technologies is a fine product. It is a strip impregnated with 12g of thymol. Add 1 strip on the top bars, 2 weeks later a second one. Treat when temps are below 90F. works pretty good. Price is reasonable.
    I will second that. Bees will tend to propolize it at times but when the conditions are right it's a pretty effective treatment. The big advantage thymol has over Formic is that you aren't "on the clock" before it quits working. Even after an extended period of cold weather, in which few mites are being killed, all it seems to take is a little warm weather to activate it again.
    "People will generally accept facts as truth only if the facts agree with what they already believe."- Andy Rooney

  8. #8
    Join Date
    Jul 2011
    Location
    Macoupin,Illinois,USA
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    355

    Default Re: Thymol & mites

    I believe Joe is correct,i use the premade wafers with excellent results. for the first three days u can smell the thymol 100 yds away.

  9. #9
    Join Date
    Jun 2011
    Location
    Campbell River, BC, CA
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    552

    Default Re: Thymol & mites

    I will third the comment on the strips fro hieslyer.

    My personal experience, first year we had bees. 24 hr sticky board count turned up one mite. We debated treating at all, but we had strips, so put them in. 24 hours later another count. I lost track of the count somewhere north of a thousand from that same hive.

    Year one, all hives survived. Year 2, we put strips into 6 hives. Similar drops, and all survived. This year we put them in all the hives. We put two strips in a double deep, one in a nuc. Two applications on two week spacing.

    Are the strips the reason we have had 100% survival when everybody around us is losing hives? I dunno, but not going to try going without them to find out.

    Interesting side note, our bees haul them out in the spring.

  10. #10
    Join Date
    Feb 2013
    Location
    Clintwood VA USA
    Posts
    56

    Default Re: Thymol & mites

    I am also thinking about using a cup of this mixture and soaking paper towels in a zip lock bag then put the paper towels under the inner cover for a lingering effect. The bees will eventually chew it up I think and remove it.

  11. #11
    Join Date
    Dec 2007
    Location
    LA Co, Calif, USA
    Posts
    87

    Default Re: Thymol & mites

    Several years ago a beek from another country was soaking cord (soft rope?) in FGMoil with thymol. Put several inches of rope into hive. (I'll have to search and re-read about it.) I'm also thinking a soft treatment might be beneficial and easier on the hive. We've tried thymol in syrup, no negative effects, didn't notice positive either. Plain FGMO really starts the hive humming, so this might be important part of treatment success. I'll post again if I find the information.

  12. #12
    Join Date
    May 2010
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    Spokane, Washington, USA
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    780

    Default Re: Thymol & mites

    Thymol with fog doesnt work for mites. If it would have worked, many would be using it.
    Last edited by RAK; 10-12-2013 at 10:33 PM.

  13. #13
    Join Date
    Jul 2009
    Location
    LaSalette Ontario Canada
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    5

    Default Re: Thymol & mites

    Use blue shop towels.
    12 gr thymol plus 18 gr vegtable oil for each towel.
    Multiply by number of towels you need. ( 2 towels per hive )
    Use 1 towel 2 weeks apart. Leave the fist towel in the hive when you add the second.
    Done this for 5 years now.
    Works great. Not to many losses. Around 15%.
    Run 300 hives now.

  14. #14
    Join Date
    May 2013
    Location
    Laurel Hill, Fl
    Posts
    471

    Default Re: Thymol & mites

    Quote Originally Posted by Bear's Treasure View Post
    Use blue shop towels.
    12 gr thymol plus 18 gr vegtable oil for each towel.
    Multiply by number of towels you need. ( 2 towels per hive )
    Use 1 towel 2 weeks apart. Leave the fist towel in the hive when you add the second.
    Done this for 5 years now.
    Works great. Not to many losses. Around 15%.
    Run 300 hives now.
    Hi Bear's Treasure,
    What kind of thymol do you buy? Do you have a link? I see all kinds on line and at amazon, but I'm not sure what to buy.
    Thanks,
    Robbin

  15. #15
    Join Date
    Jul 2009
    Location
    LaSalette Ontario Canada
    Posts
    5

    Default Re: Thymol & mites

    We are in Canada.
    Food grade Thymol.
    I don't know were to get it were you are.
    Sorry.

  16. #16
    Join Date
    Feb 2013
    Location
    Clintwood VA USA
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    56

    Default Re: Thymol & mites

    ebay.com

  17. #17
    Join Date
    Oct 2009
    Location
    Auckland, New Zealand
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    85

    Default Re: Thymol & mites

    We have good success with using Api Life Var, which is tymol based product.

    It comes in a small biscuit that you break into four pieces, and place on the top bars. You do this for four weeks and then check for mite numbers.
    Gary Fawcett
    We blog and Podcast about beekeeping at http://kiwimana.co.nz

  18. #18
    Join Date
    May 2013
    Location
    Laurel Hill, Fl
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    471

    Default Re: Thymol & mites

    Is it liquid or crystal?

  19. #19
    Join Date
    Oct 2009
    Location
    Auckland, New Zealand
    Posts
    85

    Default Re: Thymol & mites

    Hi,

    Its a small biscuit soaked with the essential oils.

    Here is a photo of one of the biscuits:-
    http://kiwimana.co.nz/wp-content/upl...1-1024x768.jpg
    Gary Fawcett
    We blog and Podcast about beekeeping at http://kiwimana.co.nz

  20. #20
    Join Date
    Oct 2014
    Location
    Lisbon, Portugal
    Posts
    27

    Default Re: Thymol & mites

    Well ...

    In EU there are only two authorised (in most of the countries) formulations for thymol : Api Life Var and Thymovar.

    I donīt know how is in US , but here authorised treatments are expensive ( about 5 euro / one treatment / hive), and the use of tymol in crystals or solutions is not allowed.

    But... we are stingy and so, new formulations appear... as a domestic formula of Thymovar, with the same results and a lower price.

    Here goes :

    Needed : thymol in crystals, sunflower oil or other frying oil, vermiculite block ( I donīt know how is called in US but here we call it "oasis" and itīs used in flower shops to put NATURAL flowers, as there is another one very similar for artificial flower that is not suitable).

    8 g of thymol + 12.5 ml of sunflower oil for hive.

    Cut the vermiculite block in slices of 1 cm. You will get "wafers" of about 10.5 X 7.5 X 1 cm.

    Crush a little the vermiculite wafer between two planks (not essential but will absorb better the thymol).

    Heat the oil to 70š C.

    Remove from stove and add thymol

    Mix until it solves completely

    With a syringe, put carefully 20 ml or the mixture in each vermiculite wafer , without leaking, until it absorbs completely . It should be used immediately , one "wafer" / hive, broken in two or four parts, above the nest and in the periphery of brood (as Thymovar or Api Life Var).

    Repeat in 12 days. In hot weather , a third application is recommended 12 days after the second. 12 to 15 days after the last application, remaining residues should be removed from the hive.

    DO THE MIXTURE IN A WELL VENTILATED PLACE .

    USE PROTECTION GLOVES AND GOGLES.

    BE SURE THAT REGULATIONS IN YOUR COUNTRY ALLOW THIS.

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