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~ The more I studied beekeeping, the less I knew, until, finally, I knew nothing. But, even though I knew nothing, I still had plenty to unlearn. Charles Martin Simon

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Tag Archives: fall management

Why did my bees die?

31 Wednesday Mar 2021

Posted by sassafrasbeefarm in beekeeping, beekeeping management, beekeeping pest management, management

≈ 5 Comments

Tags

beekeeping chores, beekeeping diagnostics, fall management, spring management, varroa mites, what killed my bees?

2016-05-08 15.37.47.jpg

Why did my bees die?

This is a question often asked and sometimes difficult to answer. The beekeeper looking at a dead colony is left with clues that can sometimes indicate the cause of death. More often though the beekeeper looks at the “crime scene” and makes an incorrect assumption. We’ve all heard it, “Wax moths killed my bees.” or “They got robbed.” or Small hive beetles killed them.” Most often though these are the results of problems that were missed or not addressed earlier.

I like murder mysteries. And, like in murder mysteries, what kills the bees isn’t always the most obvious suspects. It’s not the one the mystery writer wants you to initially think it is. After all what fun would that be? Instead the beekeeper must use some logic in backtracking the history of the colony to solve the mystery. Many times the downward spiral started some time back and we missed it before it lead up to wax moths, robbing, small hive beetles, or other maladies.

This past winter I had a 9% overwinter loss coming into the spring buildup. All in all, in today’s world of beekeeping that’s pretty good. Early in this season’s buildup, in February, I rotated boxes as a swarm prevention technique. I noted that a particular row of hives were not building up as fast as my other hives. As I rotated the hive bodies I inspected and found that they were all queen-right though so I just chalked the slow buildup up to “one of those unexplained things.”

That row of thirteen colonies coming into spring lost six colonies AFTER that first box rotation of spring. All of my other colonies continued to grow and expand.  Granted the ones lost were not the strongest but they had queens (I saw them). How were these different than the ones that were thriving? Time to put on my detective hat. They were unique in that they are all on same row, were not taken down in size last fall (I just ran out of energy), and had older queens. So what killed them? I don’t know but I suspect the stress of the box rotation on an already stressed colony. How were they already stressed? Why did they not build up like the other areas in my bee yard? Thinking about the differences: this group  had older queens, larger hives usually have/maintain higher mite counts,  and were in  an isolated  row in the bee yard.  I don’t know exactly which stressor was the largest but I suspect some or all of the above come into play.

Now my overall losses were at 27% instead of the 9% prior to this event and most likely because I failed to reduce size, monitor this row for Varroa better, and not re-queen in the fall. Which exactly? Beekeepers always want to know which one is the culprit. I don’t know. Maybe it was multiple stressors and not just one. But I do have some excellent suspects! Regardless of which stressor killed these colonies I failed to do that which a good steward should have done for these bees. Ultimately it’s on me.

…

So, after writing the above I was further pondering the possibilities while making up some sugar syrup, and I was thinking about the stressors and it came to me what killed those colonies. Distilling it down to a single element – laziness. I should have taken those hives down to 2 boxes post nectar flow last summer. I should have monitored Varroa better in that row instead of assuming it would be the same as the newer hives in other areas. And I should have re-queened as would have happened easily if I had made splits last year when I should have taken them down in size. My laziness killed those colonies. So there, I came up with a single cause, identified the culprit, and solved the mystery!

It won’t happen again. Maybe something else but not this.

 

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Current Beekeeping Activities by sassafrasbefarm

21 Thursday Jan 2021

Posted by sassafrasbeefarm in beekeeping, beekeeping chores, Winter, woodenware

≈ 5 Comments

Tags

beekeeping, beekeeping chores, chores, equipment, fall management, winter management

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Feeding the bees pollen substitute

Some things don’t change much year to year in beekeeping. At least not the chores. There is some comfort in the routine. This year is much like last. Building boxes, cleaning frames, painting and maintenance. And building bees for the spring. ~sassafrasbeefarm

This time of year can be as busy for the beekeeper as the spring nectar flow period. But now it’s all about preparation. My experience, since beginning this beekeeping journey, is that there is never enough time during the nectar flow. In fact, time becomes precious even before the nectar flow with the need to rotate hive bodies or employ other swarm reducing measures, placement of swarm traps, movement of hives to out yards, making splits, and lots of last minute surprises.

So, here are few pictures of what I occupy myself with during this so called off season:

IMAG2386

Order queen pen and my favorite markers to write on the hives.

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Making sugar cakes for the tops of the hives.

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Adding extra wax to plastic frames.

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Collecting and bagging pine straw for my smoker.

 

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Building boxes, bottom boards, and tops.

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Adding some color to the entrance reducers.

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Painting entrances to the queen mating nucs

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This is Advantech – a new material that resists weathering.

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Painting everything. Three coats!

IMAG2340

Joy! I found three 50 pound sacks of sugar I had forgotten!

 

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Current Beekeeping Activities by sassafrasbefarm

01 Tuesday Dec 2020

Posted by sassafrasbeefarm in beekeeping, beekeeping chores

≈ Leave a comment

Tags

beekeeping, beekeeping chores, chores, equipment, fall management

IMG_20171023_191707_204

Feeding the bees pollen substitute

This time of year can be as busy for the beekeeper as the spring nectar flow period. But now it’s all about preparation. My experience, since beginning this beekeeping journey, is that there is never enough time during the nectar flow. In fact, time becomes precious even before the nectar flow with the need to rotate hive bodies or employ other swarm reducing measures, placement of swarm traps, movement of hives to out yards, making splits, and lots of last minute surprises.

So, here are few pictures of what I occupy myself with during this so called off season:

IMAG2386

Order queen pen and my favorite markers to write on the hives.

IMAG2384

Making sugar cakes for the tops of the hives.

IMAG2383

Adding extra wax to plastic frames.

IMAG2377

Collecting and bagging pine straw for my smoker.

 

IMAG2359-20171122-103007169

Building boxes, bottom boards, and tops.

IMAG2364

Adding some color to the entrance reducers.

IMAG2356

Painting entrances to the queen mating nucs

IMAG2354

This is Advantech – a new material that resists weathering.

IMAG2353

Painting everything. Three coats!

IMAG2340

Joy! I found three 50 pound sacks of sugar I had forgotten!

 

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The Fall Four

15 Thursday Oct 2020

Posted by sassafrasbeefarm in beekeeping, beekeeping management, beekeeping pest management, management

≈ 6 Comments

Tags

apiculture, beekeeping, fall management, humidity, management, starvation, varroa

pic 5

I find myself digging ever deeper into the void of my beekeeping knowledge. It seems the more you think you know, the more you realize you don’t know enough. That said, I’m forced into at least assessing the current state of affairs in the bee yard and make decisions based on my ever increasing level of uncertainty about these things.

It seems that I keep reading here and there that the two biggest killers of honey bees are mites and starvation. More recently I saw a third reason suggested, that being winter moisture in the hive. And then let’s not forget about problems resulting from excessive internal hive space. Let’s call these threats to beekeeping the Fall Four. So, with these things in mind, let’s visit the bee yard and see what’s happening.

It’s now October and crunch time for assessing the Fall Four. Hopefully you survived the summer dearth period. Some of my friends fed their bees through the dearth and others allowed their bees to eat their stores – either method works. But now is the time to take on the Fall Four and look at each item and make it right prior to the coming cooler weather. Remember, honey bees are cold blooded animals and anything less than ideal brood nest temperature, in the low nineties, is likely to be stressing. And although the cool weather will soon start, we’ve still got a long way to go as well as times we can’t enter the hives or use certain interventions. So, this time of year we’re all beekeeping preppers.

pic 2

Item #1 is Mites. I’ve lost one colony to mites this year. It crashed with a mighty thud. Within three to four weeks it went from absolutely thriving to a handful of struggling bees. The weather was warmer then so I continued to see bees coming and going. If a mite crash was to happen now, with these cooler days, I’d probably see no bee traffic as it would take all of the sickly remaining bees to heat the brood area, queen, and cluster. Luckily I’m currently seeing traffic by late mornings on all my hives. A friend of mine told me the other day that he considers a colony dying by mites to be similar to the flu running through a dormitory – one day all are fine, but within days everyone is bedridden. It’s not the mite itself that kills but the viri it spreads. Just like the flu, when the right virus coincides with the right opportunity it’s off to the races. So, pardon my rambling, but have you checked for mites lately? That doesn’t mean look at your bees and try to find mites. It means place a sticky board underneath, ether roll, or sugar shake and count mites and treat accordingly. Recently I’ve been reading about the need to treat all hives when mites levels are high in any hive in an apiary. It seems a failing colony getting robbed out is itself a vector for transmission of mites within an apiary. Personally, I’ve decided this year to treat using Oxalic Acid. Given it is an organic acid and apparently works by eroding the mites finer anatomical parts, the mites are not able to build a tolerance or immunity over time. With all colonies looking healthy right now, my plan is to wait until the broodless period around Thanksgiving and treat all of my colonies simultaneously.

pic 3

Item #2 is Starvation. I placed my colonies on a maintenance level of feeding when dearth started. More recently, I got into my hives and noted it was time to step up my feeding program. My current goal is to get the hives heavy as soon as possible. That’s going to mean switching to a 2:1 sugar syrup, doubling the number of calories per feeding, to encourage storage. This year the late pollen flow of goldenrod has recently increased brood production, so I’m sure the bees will also be using the syrup to rear winter bees. Doesn’t matter what they use the syrup for,  my response is the same – feed ’em up good now. Now is the time to learn to heft your hives from behind to determine their weight. That way, during the dead of winter you can assess stores without opening them.

pic 4

Item #3 is Moisture. I’ve heard and read many times that moisture kills bees before cold temperatures kill bees. I’ve watched the YouTube videos showing beekeepers in the mountains of Virginia, upstate New York, and Vermont with snow piled high around their hives – and their bees survive just fine. I think that is proof enough that bees can survive the temperatures of a South Carolina winter. But moisture, that’s a different matter. Almost every winter I see moisture inside the outer covers on chilly days. If not controlled that condensation starts to mold – not good. The old books talk about installing your hives tilted forward so condensation will run forward and not drip down directly onto the bees and chill them. That’s good but I really want to do more. For one, reducing the syrup to a 2:1 mix this time of year also helps to start reducing the amount of moisture within the hive. A little later in the Fall, I’ll remove all liquid feed and place a feeding shim with dry sugar on top. Some people simply pour dry sugar on top of a piece of paper placed on the top bars or on the inner cover (Mountain Camp Feeding). The sugar acts as a desiccant and absorbs the humidity. The bees feed on any sugar that the condensation liquifies. It’s a two birds with one stone situation. But the best method to solving the moisture problem is adequate ventilation. My inner covers have an upper entrance cut into them. If the colony’s population is robust I just leave the upper entrance open as during summer. If the bees have decreased in numbers I may flip the slot so that it is on the top of the inner cover, or screen it, to prevent intruders while still providing ventilation. I don’t worry so much about the low temperatures unless it’s also really windy for extended periods; I do worry about that wet, damp chill that comes with too much moisture in the hive.

pic 5

Item #4 is Internal Hive Space. Now is certainly a good time to assess hive (i.e hive bodies) volume. Most colonies grow throughout the nectar flow. If you were lucky you had the pleasure of stacking boxes on top of boxes – the uppermost boxes filled and capped with hoarded stores of honey. After the great flood, I was surprised to see that the bees had eaten a good bit of their stores. Other colonies had decided to eat some frames and leave others capped and untouched. Also, some colonies started their reduction in colony size early and are now down to half of the numbers of bees they had during the flow. Either way, they simply do not need the extra space any longer. My mentors have told me that here in the Midlands a hive with a 10 frame deep and a 10 frame medium, well provisioned, is all that is needed to get through winter until about late February. (two deeps or three mediums are also okay and represent about the same volume.) So, I look to consolidate remaining honey frames into as perfect of a second box as possible giving the bees a well stocked pantry above their brood area. Any extra full frames are placed in the freezer for possible use in late winter/early spring during buildup. I take a similar approach with regard to colonies that have reduced their numbers. I give them just enough room to be cozy and remove extra boxes (remember extra boxes are invitations to pests and require patrolling by your bees). The idea is to turn hives into efficient and compact units going into late fall and winter.

As already stated, I know more and more that I know less and less about bees. I’m sure that the way I am approaching this can be done a thousand different ways. That’s the intrigue of beekeeping. It’s an art and your methods are equally as valid. What works for you may be superior to what works for me. So take my observations and methods as incentive to explore, experiment, and tweak to your own situation. It’s all an adventure.

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Let’s Talk about Moisture in the Bee Hive

14 Wednesday Oct 2020

Posted by sassafrasbeefarm in beekeeping, beekeeping management, management

≈ 3 Comments

Tags

apiculture, bee hive, beekeeping, condensation, fall management, moisture

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Soon we will be heading into cooler weather. The concern here in the South Carolina Midlands isn’t the cold. It doesn’t get too cold here for the bees. They will cluster and as long as they have 1) honey, 2) enough bees, and 3) a dry cavity they are fine. With these three conditions present they will make their own heat and do well. The concern is moisture within the hive. The moisture is deadly as it will drip on the bees and wick away the heat, chill them, and they will die. If you don’t believe in the power of moisture to wick away the heat I encourage you to get out tomorrow morning and wash your car. What seems like a beautiful fall morning will chill you to the bone. If that fails to convince you try it again when the temperature falls to freezing.

I got the following from over on the Bee-L discussion list. It’s something to think about as temperatures drop and moisture in the hive condenses and becomes dangerous. The information below did not come with a named author.

Here’s some math on 100lbs of honey with 20% moisture… nice round numbers to keep the math simple:  20% moisture on 100lbs (45.4kg) of honey is 9.08kg of water which at 1L per kg is 9.08kg of water.
Now for the rest of the honey:
This quantity of honey is 80% (80lbs) of fructose. Molar mass of fructose (C6H12O6) = 180.72g/mol

6 Carbon -> 12.01g/mol x 6 = 72.60g/mol
12 Hydrogen -> 1.01g/mol x 12 = 12.12g/mol
6 Oxygen -> 16.00g/mol x 6 = 96.00g/mol
Total = 72.60g/mol + 12.12g/mol + 96.00g/mol

80lbs of fructose = 36287g
36287g of fructose / 180.72g/mol = 201 mol of fructose.
For future ease, lets round this to 200 mol of fructose.

Fructose is consumed by the bees and burnt with the oxygen they consume to release carbon dioxide and water. Here’s the balanced formula:

C6H12O6 + 6O2 -> 6CO2 +6H2O

Since 80lbs of fructose is roughly 200mol of fructose we need 1200 mol of oxygen to produce 1200mol of carbon dioxide and 1200mol of water.

200[C6H12O6] + 1200[O2] -> 1200[CO2] +1200[H2O]

Water as a molar mass of 18.02g/mol.

So 1200mol of water x 18.02g/mol = 21.6kg of water.
At 1L per kg we get 21.6kg of water released in the consumption of 80lbs of fructose.

So the total water in 100lbs of honey at 20% moisture is 9.08L + 21.6L = 30.68 liters of water.

If getting over 30L of water off of 31.5L (110lbs) of honey still sounds crazy, realize that the bees will have to consume 38.4kg of oxygen to metabolize the honey. So 45.4kg of honey and 38.4kg of oxygen combine – through the wonders of cellular respiration – to release 30.7 liters of water inside the hive.

The best and cheapest method of lowering the moisture problem is 1) providing adequate ventilation. My inner covers have an upper entrance cut into them. If the colony’s population is robust I just leave the upper entrance open as during summer. If the bees have decreased in numbers I may flip the slot so that it is on the top of the inner cover, or screen it, to prevent intruders while still providing ventilation. 2) Reducing the water in syrup to a 2:1 mix this time of year also helps to start reducing the amount of moisture within the hive. 3) As it gets colder, I have also tried removing all liquid feed and place a feeding shim with dry sugar on top Some people simply pour dry sugar on top of a piece of paper placed on the top bars or on the inner cover (Mountain Camp Feeding). The sugar acts as a desiccant and absorbs the humidity. The bees feed on any sugar that the condensation liquifies. It’s a two birds with one stone situation. 4) My first year I placed an extra box on top of the inner cover and inside I placed an old quilt. I was surprised at how damp/wet it got with condensation. 5) I have a friend that has some sort of fiber board that absorbs moisture. He places them over the bees (top box) and it wicks away the moisture keeping it from dripping on the bees. For people with money, they are available precut from the bee supply stores and in building supply stores under the name Homasote.

Start inspecting underneath your inner and outer covers for signs of condensation or mold. If it’s staying wet, dripping, etc increase ventilation or use other means to help them stay dry.

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Autumn Abscondings and Other Odd Events by sassafrasbeefarm

08 Monday Oct 2018

Posted by sassafrasbeefarm in absconding, beekeeping, beekeeping seasons, CCD, seasons, ursurpation, varroa

≈ 4 Comments

Tags

absconding, beekeeping, CCD, dearth, fall management, hunger swarm, seasons, swarms, ursurpation

small swarm

(above) Small October cluster on bluebird box. Collected after the flood of 2015 – swarm or abscond?

Late summer and autumn swarming does occur but is an exception and probably occurs only in unique situations. Biology says when the parent hive is ripe for reproduction and all conditions are met the goal is to swarm. Queens that fail to reduce laying during dearth, well fed colonies, with the addition of a brief nectar and pollen flow may indeed swarm during this time of year. Inspect overachieving hives and disrupt the colony by adding empty drawn comb, sharing excess  brood with weaker hives, or  taking off excess honey stores. This makes the parent hive less than ready and disrupts their plans. Only after all conditions are met will they swarm and if nature or the beekeeper gives them work to do at home they will typically stay. In general, however, this time of year it’s hard for them to feel that conditions are optimal for swarming.

What we saw last year was an apparent increase in abscondings or colony failures where all of the bees left the hive and did not return. Abscondings are typically related to poor conditions in the hive or environment. i.e. starvation, drought, mites, SHB, yellow jackets, critters. Historically these were termed “hunger swarms” but may occur with or without food being present. I like to think of the conditions that precipitate abscondings as stress related. Think of it this way, if your house was overrun with fleas you might stay a while but eventually you’d gather your family up and say, “I’m not sure where we’re going but we’re not staying here.” Same for food; if you lost your income, no job prospects, and had no cash flow for food eventually you’d say, “I don’t know if I can get a job in Timbuktu but I know there are no jobs here so we’re moving.”

How are swarms and abscondings different?

Swarms are generally reproductive in nature and motivated by the organism’s innate drive to reproduce as a result of positive and plentiful stimuli. This is why they usually occur slightly before and at the start of the main nectar flow when resources are at their highest. This gives the swarm the greatest chance of survival. Late season swarms are probably generated by the occasional but less likely situation where the hive is simply full of stores, lacks room for expansion, yet is being stimulated with brief fall pollen and nectar flows. It’s a bad time for them to swarm and in all probability will not have a positive outcome for the issuing swarm.

Abscondings are different in that most of the bees in the hive will leave. It’s like one day they decide they’ve had enough of the poor conditions (stressors) and decide to leave. Unlike a swarm, it is precipitated by negative stressors. The beekeeper comes to the bee yard and finds the hive almost empty. The bees inside are usually bees that were left behind due to being out foraging at the time of the absconding or they are new hatch outs. If there is little capped brood you can assume they have been stressed for some time – scant brood decreases the attractiveness of the bees to the colony.

After last year’s events most beekeepers remarked that they never saw a cluster hanging in a tree nor any new colonies in swarm traps. One possibility is usurpation. Usurpation is when one colony forces its way into another hive and takes over. Apis mellifera scutellata is rather noted for its tendency to usurp calmer races of honey bees. One author promotes the idea that usurpation is more common than we think. The event goes unnoticed as there is no clustered swarm and the landing is not in a tree limb or swarm trap but another hive in the bee yard where they take over operations. Actually, as a survival mechanism, this is quite clever whereby a colony over run with stressors during a time of poor nectar production can unite with another weaker colony and increase its chances of survival.

What about the queen? That may be the $64,000 question. Colony Collapse Disorder symptoms where the queen and a few bees are all that’s left behind continues to mystify many researchers. I’m not going to say I have the answer that the researchers have yet to answer. It is a mystery. But I will say that it’s no mystery that the queen isn’t the only card in the game when it comes to honey bee behavior. Most beekeepers, after a few years in the hives, understand other powers at play within the colony like lack of brood pheromone, population balance, and the host of chemical pheromone balances that signal wellbeing or decline. Leaving without a queen is typically viewed as colony suicide, but as we have already covered above, usurpation might provide an answer to why one colony might leave a failing queen behind.

Another answer proposed to account for the events experienced last year is that the bees died while foraging or failed to return home. While this may be possible, it does not account for the lack of thousands of nurse bees that should have never left the confines of the hive.

In closing, I’m not offering any single cause to what you hopefully will not see this autumn in your bee yard. Last year, here in the Midlands as well as elsewhere, we witnessed multiple accounts of bees absconding. Almost no one saw a cluster hanging in a tree, captured a swarm, or otherwise accounted for the missing bees. We know many of these events were recounted by the beekeeper as having occurred within the course of a week. Forty thousand bees one weekend; two hundred the next weekend. Stressors last year included exceptionally high heat during dearth period, approximately half of normal rainfall, and of course the ever present Varroa mite.

We did an impromptu survey to see if a particular cause could be identified. However, no single cause was identified. In some instances it appeared to be related to mites, in other instances, poor forage or lack of feeding, the much higher than normal temperatures experienced, and/or a rainfall approximately half of typical for our area. Conversely, our survey data showed that those that offered their bees more supportive measures had fewer or no abscondings. Respondents with no abscondings had higher reporting for feeding during the dearth period, treatment for Varroa, availability of water, and overall higher supportive management of their colonies. This would seem to indicate that while no specific stressor could be implicated, a lowering of the stress level by increased supportive management reduced colony abscondings.

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Fall Nectar Flow by sassafrasbeefarm

05 Friday Oct 2018

Posted by sassafrasbeefarm in beekeeping, fall nectar flow, nectar flow

≈ Leave a comment

Tags

beekeeping, fall management, honey bees, management, nectar flow, seasons

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The Fall flow is officially on in my corner of Southeastern Lexington County, South Carolina. Weight gain, white wax, and increased activity indicate a nectar flow. I went out to feed some of the lighter hives and noticed some white wax as well as some weight gain on hives since 10 days ago. As the day warmed the bees were definitely flying with intent with some congestion on the landing boards. Even with the lack of rainfall, fall flow is on over here in the barren sand hills of Southeastern Lexington County. If it’s on here in this sandbox it’s likely you may find it’s on elsewhere in the Midlands. Bees flying with intent, launching themselves off the landing board immediately after exiting the hive entrance, increased incoming traffic as well landing and hurrying inside, other bees show excited behavior on the landing board, overall appearance of heightened purposeful activity, some white wax noted inside, the smell of goldenrod and sight of yellow pollen coming in.

It was a happy day indeed to be able to save some of that syrup until another day. I found a renewed interest in the pollen feeder which baffles me a little but may be a result of some increased brood rearing… I don’t know. All these things are a pleasant change from the doldrums of dearth. Pray for some rain to sustain the flow. Order up – winter bees please.

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Overwintering success: the one thing I do differently by Rusty

06 Monday Aug 2018

Posted by sassafrasbeefarm in beekeeping, beekeeping management, management

≈ Leave a comment

Tags

beekeepers, beekeeping, fall management, summer management, winter management

I’m posting this now instead of winter as the title might suggest. Why? Because it pertains to what we should be doing now in preparation for winter. Rusty is correct in her assumptions. It’s what we do or don’t do that gets our bees through the winter. Enjoy!

It’s official: I overwintered all my colonies once again. In fact, in seven of the last ten years I managed to pull every single colony through the bleak northwest winter. Having said that, the questions I’m asked are always the same: “What mite meds do you use?” “How long do you feed?” “What is your winter configuration?” All these queries presume that there is some magic trick to overwintering. If you only buy the right stuff, you will have no more bee problems.

The questions remind me of photography. Every time someone takes a truly outstanding photograph, people ask, “What camera did you use?” as if the camera went out and took pictures by itself. The photographer wasn’t sitting in the mud, all scrunched down at bug level, sweltering in the sun, and not breathing lest he produce carbon dioxide. He didn’t take 853 shots and discard 852 of them. He didn’t spend the next three days charging all the batteries he drained that afternoon. And he didn’t drive 349 miles and burn untold gallons of fuel to get to the place with all the right bugs.

You need to do the work

Like good photographers, good beekeepers actually do the work. Overwintering a bunch of honey bees is an art form. To me, it is amazing that any bug—not in a state of diapause or quiescence—can actually make it through such a long period of incarceration. I think we should be more surprised by colonies that make it than by those that don’t.

But in deference to those who want to know how to overwinter, I had a long think over it. I know what has vastly increased my chances of overwintering—things like moisture quilts and no-cook candy boards. My system evolved over a number of years and weathered many naysayers. I read books and asked question of engineers and architects about how things work in enclosed spaces, things like airflow, ventilation, heat loss, and condensation. Then I asked questions of biologists about nutrition and entomologists about diseases and vectors.

Read the full article here:  Overwintering success: the one thing I do differently — Honey Bee Suite

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Landi Simone – Reading the Frames

20 Tuesday Feb 2018

Posted by sassafrasbeefarm in beekeeping, beekeeping management

≈ 3 Comments

Tags

beekeeping, comb management, fall management, management, spring management, winter management

Landi Simone – Reading the Frames

I found this interesting. She says many things that I say to new beekeepers – listen to and watch your bees. They’ll tell you when they’re not happy! The frame pictures are excellent and well worth a look at from a healthy honey bee perspective.

It’s quite long at 44 minutes, but worth a watch!

Source: Landi Simone – Reading the Frames

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Kick ’em when they’re down by The Apiarist

30 Thursday Nov 2017

Posted by sassafrasbeefarm in beekeeping, varroa, varroa destructor, varroa mites

≈ 4 Comments

Tags

beekeeping, fall management, management, varroa, varroa destructor, varroa mites

Presentation1-2-768x478

Below is an excellent article by David the Apiarist on understanding the varroa mite population cycle as relates to management of Varroa mites. Understanding the pest is key to maximizing the impact of the treatement. I’ve chosen to crosspost it on this date to benefit my readers in the Midlands of South Carolina as we enter the period of time when the presence of brood is at it’s yearly low. References to the Eagles and Don Henley are entertaining as well.

Why bother treating colonies in midwinter to reduce Varroa infestation? After all, you probably treated them with Apiguard or Apivar (or possibly even Apistan) in late summer or early autumn.

Is there any need to treat again in midwinter?

Yes. To cut a long story short, there are basically two reasons why a midwinter mite treatment almost always makes sense:

  1. Mites will be present. In addition, they’ll be present at a level higher than the minimum level achievable, particularly if you last treated your colonies in late summer, rather than early autumn.
  2. The majority of mites will be phoretic, rather than hiding away in sealed brood. They’re therefore easy to target.

I’ll deal with these in reverse order …

Read the full article at: Kick ’em when they’re down — The Apiarist

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Getting Bees Ready for Winter by Chautauqua Apiary

13 Monday Nov 2017

Posted by sassafrasbeefarm in beekeeping, beekeeping management

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Tags

apiculture, beekeeping, fall management, management

The bees are looking good going into winter, been feeding right along as I’m raising bees and growing my apiary. So I still have a lot of brood and the drones are just getting pushed out. So I still have a late oxalic acid vaporizing treatment for mite control to get done on a good day. I have my mice guards on(I like 4″openings), inner covers flipped(hole taped), rigid insulation over the inner covers(outer cover on top), and providing wind breaks at my windy yards. I don’t do any wrapping but I might try bubble insulation on some of my single deeps and nucs to see if it makes a difference.

Read full article here: Getting Bees Ready for Winter — Chautauqua Apiary

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Preparing for Winter by Lazer Creek Apiary

26 Thursday Oct 2017

Posted by sassafrasbeefarm in beekeeping, beekeeping management, beekeeping seasons, management

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Tags

beekeeping, fall management, management, seasons, winter management

It’s only 62 degrees this morning, but bees in the English hive are already out foraging.  It’s no wonder that these bees are well set up for the cold weather that is just around the corner;  of all our hives, they have the most honey stored.    This is our go-to hive for requeening because the colony has always been friendly, the queens have always been great producers, the bees are hygienic,  and the bees are the first out the door to forage.

At the other end of the spectrum, we have a hive that has no stored resources despite all the goldenrod that surrounds the apiary.   Our records show that they haven’t stored any resources since we brought them back from the sunflower patch — and they had nothing then.    If I’d been able to find the queen yesterday, I’d have combined them with another weak but productive hive.  Those guys have increased their numbers by a full frame of bees and they have nectar and bee bread stored.   I can’t risk combining them without eliminating the lazy-genetics queen, so they have two weeks to pick up their game!   We put a candy board on the hive yesterday (and reduced the entrance down to a single bee width), so maybe that will help them.   Maybe it will make them more dependent on us.

Read full article here: Preparing for Winter — Lazer Creek Apiary Blog

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Double or Nothing? by Bad Beekeeping Blog

10 Tuesday Oct 2017

Posted by sassafrasbeefarm in beekeeping, beekeeping management

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Tags

beekeeping, fall management, management

 

A gentleman at our bee meeting posed a challenging question a couple of weeks ago: “What should I do with a weak hive? I think it might be queenless.” Well, it depends, of course.

I’m continuing with the series of questions which I overheard at a bee meeting not long ago. Today, it’s about weak/queenless hives. As in all bee questions, we are given just a bit of information. It’s not the beekeepers’ fault – they might not know what clues to look for and what information to bring to the club when they present their questions. (Actually, if they knew what information is needed to answer the question, they’d probably already know what to do.)

Read full article at: Double or Nothing? — Bad Beekeeping Blog

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