Beekeeper lost 12 of 13 bee hives vino bee farm you tube

[lin...@tds.net]

https://www.youtube.com/watch?v=_GFfTFcSwG4 This is a good example of why bees died this spring etc

[Kyle Curran]

Interesting video. His yard looks too exposed to elements like wind even though it is surrounded by shrubs. Also he uses extensive upper entrances which he may want to reconsider. Look at how Werning apiaries is overwintering bees in Wisconsin, they have 100% survival and drone brood in March.

Also in this video, his equipment is elaborate but he manages every hive nearly the same versus trying multiple approaches.

On Wed, Mar 17, 2021 at 8:43 PM lin...@tds.net <lin...@tds.net> wrote:

https://www.youtube.com/watch?v=_GFfTFcSwG4  This is a good example of why bees died this spring etc

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[Mathew Anderson]

Kyle, where can we get info on Werning Apiaries' approach? I don't see them on youtube and their blog has a post here (2 years old) about how they replace their winter losses with bees from California. Am I looking at the wrong apiary?

Mat Anderson, NBCT

Singer, Teacher, Woodworker

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[Scott Johnson]

Also, I was wondering, does anyone have any peer-reviewed data or other vetted information that states having mites on the last few bees means mites were responsible? I'm not asking to shoot down this idea. I'm genuinely curious. I imagine that even if a hive of thousands of bees had a few mites, the mites might all concentrate on the last few bees, making it look like a mite-related die off. But then a simple explanation is also that many mites were present.

Any data on this? Specifically, have people taken mite counts in the fall with low levels and then seen many mites on the last few dead bees? Or the opposite?

Thanks,

Scott

========================================
Scott Johnson Ph.D.

Director
Low Technology Institute

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[Kyle Curran]

They post frequently on Werning Apiaries Facebook page. Every hive is wrapped like a present with Reflectix and lower entrance only.

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[Greg V]

Well, what I see in his videos is what I see in my own hives - unsustainable winter bee attrition.

For me it is simple - untreated bees.

This causes unsustainable levels of winter bee damage - winter bee drop off.

Nothing new.

Those tiny clusters he has mean the same - damaged winter bee.

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[jeanne hansen]

Concerning winter bee attrition:

I am continually telling people that the bees which are available to live through winter are the ones that were eggs in September.  Eggs laid on Sept 1 emerge as adult bees on Sept 21.  If during that interval, they were chewed on by mites, they can't make it to spring.

This means that mite treatments have to be in place during August, and because of the influx of mites (carried by bees from collapsing hives) the treatments most likely have to be continued vigorously during September at least, and maybe into October.  October is chilly, you say.  This is where oxalic acid treatments are useful, since neither dribble nor vaporization depend on temperatures.

Think about it!

Jeanne Hansen

824 Jacobson Ave

Madison, WI 53714

608-244-5094

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[larry lindokken]

I am thinking that virus load is victored at least partially by the varroa mite.  I suspect that the beekeeper here did not treat for mites adequately.

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[larry lindokken]

By the way I also have some dead outs showing the small patch of bee's which are dead.  

[Greg V]

His "treating" bees in October means nothing.

Winter bee damage is already done (this is October in MA when he is treating).

He has no intelligence whatsoever about the mite levels by the time he "treated" (not surprising he is surprised).

Here is a sample of mite counts done in September 2020 (real case, not made up).

Guess which hives survived into March 2021 (the correct prediction could have been made back in September).

---------------------------------------------------------
#1 - 73 mites (24-25%)
#2 - 16 (5-6%)
#3 - 13 (4-5%)
#4 - 37 mites (12-13%)
#5 - 9 mites (~3%)
#6 - 13 mites (4-5%)
#7 - 13 (4-5%)
#8 - 51 (~17%)
#9 - 17 (5-6%)
#10 - 67 (22-23%)
#11 - 15 (~5%)
#12 - not counted
#13 - 26 (8-9%)
#14 - not counted
#15 - not counted

[Jeff Steinhauer]

Hi Greg,
I'm going to go out on a limb here and say anything under 6% were the survivors.
Cheers,
Jeff S.

[Matt]

They seem pretty small hives. It looks like he runs 2 8-frame deep. A single treatment of oxalic acid in October is WAY too little too late. By then the damage is done. 

[Greg V]

2 survivors from the "6% and under" group.

I recall Trevor said - max cut-off in August is 3%.

Anything above is pretty much a goner.

This sample above confirms exactly that.

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