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Discussion Starter #1
Do Commercial beekeepers still treat specifically for Tracheal mites? Or is the combination of mite treatments aimed at varroa, along with genetic resistance, and regular cultural practices now sufficient to keep them in check?
 

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Anybody using formic acid is whether they want to or not. Same can be said with products that contain thymol.

Jean-Marc
 

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Discussion Starter #6
That is what I thought, but just wanted to ask because I've seen a bit of k-wing in my own hives this spring - and heard reports from others of it too. I think mostly in hives that were weakened or stressed from something else first (queenless FE) - and it pretty much clears up when the hive gets back to normal. I guess maybe it is there all along to some small extent, but becomes more apparent in a weakened population.

Being able to ask you commercial guys on here is a great resource. Thanks.
 

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My tests over the last 5 or more years have consistently shown low levels. I don't use product that would treat t mites. They don't even cross my mind anymore. I use to use Menthol boards. They are not even supplied here anymore...
 

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That is what I thought, but just wanted to ask because I've seen a bit of k-wing in my own hives this spring - and heard reports from others of it too. I think mostly in hives that were weakened or stressed from something else first (queenless FE) - and it pretty much clears up when the hive gets back to normal. I guess maybe it is there all along to some small extent, but becomes more apparent in a weakened population.

Being able to ask you commercial guys on here is a great resource. Thanks.

Excuse my ignorance but are you implying a correlation between high k wing and high tracheal. Thats a new one on me if you are.
 

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Discussion Starter #9
Excuse my ignorance but are you implying a correlation between high k wing and high tracheal. Thats a new one on me if you are.
That is exactly what I am implying. I think k-wing can be caused by other things, but is usually associated with tracheal mites - at least that is the impression I am under.
 

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Anyone else know of this "correlation?" I have heard and seen one with the V-devil... but never heard of it regarding t-mites. Not sure anyone (including myself) who saw k-wing when we only had the tracheal in the "good ol days" before those lousy brood Munchers showed up.
 

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My tests over the last 5 or more years have consistently shown low levels.
When you say "low levels" do I assume correctly that you mean low levels of tracheal mites? What sort of tests are you using? Dissection?
 

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I was always under the impression that age was a factor in k wing. I see some in spring and usually attribute it to aging overwintered bees. If you see them on the ground around the hive....in any significant numbers....then I'd think tracheal.
 

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Neat. Manitoba seems to do a good job for beekeepers.

What are the numbers like? If you recall or have the records handy.
 

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No numbers handy, but they give me a severity scale, low medium high infestations based on so called pre determined treatment thresholds. The extension office in Manitoba is now closed, but the Feds sponsored a national diagnostic centre in ALberta, which will give a more detailed analysis, including all viral infections. $200 is cheap!
 

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Had not heard of nor seen any correlation till this came up. Very interesting. Not sure if anyone in our area has concerned themselves over the t mites for a very long time. Never even comes up in discussion anymore. Been that way for 20 years or so.
 
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