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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: starvation

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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