[Basingstoke and District Beekeepers' Association]

The Basingstoke Beekeeper

Autumn 2000

[wasp]

 

Contents

Apiary Update
Annual General Meeting
Hampshire Autumn Convention
Apitherapy
Honey Show 2000
Swarming -- Why?
Swarming -- Avoiding it
Swarming -- Dealing with it
Single vs Multiple Gene Resistance
Kosher Honey
Trading Standards
Hunting Wasps

 


 

Apiary Update

Dave Purchase,
Apiary Manager and Seasonal Bee Inspector

Very disappointingly, only three members, including me, have attended each of the last three apiary meetings. That represents just 10% of our membership.

Anything more than an average 30% attendance is probably unrealistic. Many of us lead busy lives. Nevertheless, a sequence of three very poorly attended meetings does call into question the value of maintaining Association stocks in an Association apiary.

Having got that off my chest, I have some good news to report. A retiring beekeeper who is not a member of our Association has donated a range of Langstroth Jumbo equipment to the Association. It needs a clean but most of it is in good condition.

Your committee is tentatively planning an introductory course for prospective beekeepers, probably followed by a basic course for inexperienced beekeepers. The closure of Sparsholt nearly ten years ago left a void which is all too apparent in Hampshire and neighbouring counties. It behoves beekeepers' associations to run courses to attract new members and to maintain the interest and enthusiasm of existing members by improving their knowledge, skills and confidence.

That brings me back to the Association apiary. The windfall of equipment would be put to use in St. John's Copse for the practical sessions of the training courses. Hopefully that would spark a revival of interest in apiary meetings generally.

I don't yet know what the honey crop from the Association colonies will be. Clearer boards and Apistan strips were inserted yesterday (12th August). In my garden I have a late spring cast which is building into a nice colony. It is earmarked for the Association. I have treated it with Apiguard to see for myself how it compares with Apistan.

The number of confirmed cases of European Foulbrood in Hampshire is considerably up on last year. On the other hand, there has been only one confirmed case of American Foulbrood.

Almost certainly there are many cases of EFB and a few AFB which go unreported. I am not suggesting that beekeepers flout the law (both EFB and AFB are notifiable diseases), rather that some do not recognise the signs. It is possible that the demise of infected colonies is attributed to acarine, nosema, queenlessness, wasps or waxmoth, depending on the time of year. Unfortunately, contaminated equipment re-used without sterilization is likely to result in a recurrence of Foulbrood.

You will probably have read or heard about the recently introduced DIY Foulbrood test kit. It enables you to send a sample of suspect larvę to the National Bee Unit's laboratory, thus speeding up the diagnostic process in some cases (with a Bee Inspector taking over in the event of a positive diagnosis). Demand has exceeded supply. I have some for issue on request but I will ensure that each of you has one before the start of next season.

Of course, if you suspect a problem during the remainder of this season, please call me. Don't believe the oft-quoted advice that EFB is a spring-time problem. It can be found throughout the year.

I look forward to seeing many of you at our wonderful new Study Centre during the winter, making the most of the excellent facilities now available to us.

Dave.


 

Annual General Meeting

Notice is hereby given that the Annual General Meeting of Basingstoke and District Beekeepers' Association will be held on Thursday 18th January 2001 at 7:30pm in The Bothy.

As far as I am aware, there are no proposed changes to either the Constitution or Bye-Laws. However if this proves incorrect, you will be informed by post of the proposals.

Gordon


 

Hampshire Autumn Convention

This year the convention is on 28th October, starting at 10am and at Crawley Court as usual. Exhibits for the Honey Show can be placed after 8am and before judging begins.

Tickets for the event are available in advance from Christine MacKinnon at £10, or on the day at the door for £12.50.

The speakers this year are as follows:

  • Norman Carrick ``Research at Rothamstead''
  • Celia Davies ``Bees Plants and the Environment''
  • Brian Palmer, ``Improving our Bees''

Trade stands this year comprise Bee Books New and Old, Freeman and Harding and Stockbridge Beekeeping Supplies.


 

Apitherapy

Bees provide relief for MS victims

From the BBC's Website: Tuesday, 2 May, 2000, 15:07 GMT 16:07 UK

Scotland's multiple sclerosis sufferers are turning to a controversial method of pain relief because they are unable to get hold of one of the disease's most effective prescription drugs.

The country has the highest incidence of MS in the world but it has the lowest prescription rates for the expensive beta-interferon.

The scarcity of the drug has lead some sufferers to turn to a drastic measure - making bees deliberately sting them.

Although the drug is known to slow down the disease in some patients, only 1.5% of sufferers receive it in Scotland.

The lack of availability is believed to be linked to where people live.

Post-code prescribing has for years meant medicines in many areas never see the light of day.

Scotsman George Henderson was told he had MS 10 years ago, but for all of that time he has been refused beta-interferon.

The 48-year-old is so desperate for treatment he is about to embark on the controversial bee sting therapy.

Bee sting treatment

It is common in the United States and involves sufferers stinging themselves up to 30 times a day with the bee's venom which is said to slow down the disease, in a way similar to that of using beta interferon.

Kelly Ames has been stinging herself with bees for a few years.

Before she began using the therapy her eyesight was deteriorating and she struggled to walk. Now she can see normally and can ride a bike.

She said: ``The first thing I felt was energy in the first three months. Then my eyesight improved and after that my legs started to get stronger. But I still have MS, this is not a cure.''

Stinging yourself with bees is drastic, but many use the therapy because they are unable to get hold of beta interferon.

A poll commissioned by the MS Society suggested that nine out of 10 neurologists wanted to be able to prescribe the drug.

Respite care

At the beginning of March more than 1,000 MS sufferers lobbied their MPs to demand access to the best treatments.

Organisers said the protest was meant to expose the failure of the NHS to give them both the drugs and other therapies they need.

Sufferers complain about having to struggle to receive specialist nursing care, physiotherapy, pain control treatment and respite care.

MS is a complex disease of the nervous system which impairs the brain's ability to transmit instructions to the muscles.

One person may partially lose their sight while another the use of their legs. As the disease progresses, the symptoms increase both in number and become more severe.

Around 10,000 Scots suffer from the debilitating condition, however, it is not understood why the figure is so high.

The Multiple Sclerosis Society Scotland is currently funding a £ 1m research project to try and come up with some answers.


 

Honey Show 2000

The show will be held in our Study Centre, in conjunction with Basingstoke Council's Nature's Harvest day on Saturday 21st October 2000.

Unfortunately I have not yet received the details of the Honey Show schedule for this year and I have run out of time before the ``presses roll'' (o.k., it's a photocopier and an inkjet printer).

I have to presume therefore that the schedule, rules and so on are similar to last year's show.

I presume that Tony Bamberger is the show secretary as usual and that you should contact him to register your entries. We really would like you to do this in advance if you can, as it greatly helps our organisation and confidence. I also presume that Tony will have the finalised details shortly. Telephone Tony on 01256-850254 or Norman on 01256-464280 for late details.

Gordon.


 

Swarming -- Why?

OK -- Bees Swarm. But just Why do they do it?

This is something I'm working on for a flyer, however a couple of discussions that I've recently had suggest I should release it early to members. Feedback welcome!

A blooming nuisance, isn't it? You just want a quiet life and the little mischief-makers seem determined to ruin it for you. Why?

Unfortunately, it's what they do. They have good reasons, though, and we can help ourselves gain the upper hand if we understand them.

A honeybee colony comprises many thousands of individuals, all working together. We know they're making honey because that's the crop that most of us collect. To make honey they need lots of bees, so they're also busy raising lots of young. That famous one and only queen lays the eggs for the workers to raise to adulthood.

That's fine -- the honey feeds the bees through winter and come the next spring, they'll do it all again. If that's all they did, maybe we'd be happy, but many times in spring they do something else, too -- they swarm -- or try to!

The bees are reproducing. Not reproducing individual worker bees, but reproducing the whole colony, almost as though that colony was a creature in its own right! Swarms are really a method of making `baby' colonies!

As the Spring buildup hits its peak and the colony is large, the queen that heads it decides it's time to raise those baby colonies. [Well, strictly it's actually the workers that make the decision, but we'll skip that for the sake of simplicity.] She does this by starting to raise some new queen bees. But there's a problem with honeybees -- queens definitely don't like sharing colonies and these new queens would kill the old one. Her solution is to take around half the bees (and honey) in the colony -- and leave! She leaves in a swarm and the swarm looks for a new home.

Meanwhile in the old colony, the new queens are growing towards adulthood. In a few days time, the first to get there will normally gauge the size of the colony and if she thinks its big and strong enough to stand it, will take about half the remaining bees & honey and will also look for a new home. She leaves in the first cast or afterswarm. The next few queens may also try this. Just occasionally, the parent colony can become so depleted that it actually dies out -- but the bees don't much mind because they've already raised several of those baby colonies. Mission accomplished -- tough luck beekeeper.

How do they choose when to swarm?

I don't think anyone is really 100% sure about this. It seems to involve the balance of bees, brood and pheremones in the brood nest. My own feeling is that the ratio of adult bees to brood is the primary trigger, but that really is just a feeling. Certainly the age of the queen is important -- this year's queens rarely swarm, last year's may well try, the year before lasts almost certainly will. They're less likely to swarm if the season has a poor honey flow as they can neither build up the colony or it's stores high enough.

They need plenty of bees if their swarming is to be successful, so a weak colony probably won't try -- neither are they likely to do well as a honey gatherer -- Honey needs bees. But if you have lots of bees then they're going to swarm, aren't they?

How do bees and we work together?

When a swarm selects a new home it naturally looks for and prefers a cavity that's `just right' at around 45 litres. It should come as no surprise, therefore, to find that our brood boxes are around that size. That's what bees prefer and one possible reason for that is that it's the right size for their primary desire after survival -- raising those new colonies.

Bees also prefer small entrances -- around 30mm in diameter. That's a nice size to defend and it also keeps the nest nice and cosy for them. That nest is also big enough to hold sufficient honey for both their swarming needs and their overwintering needs.

So bees like a 45 litre cavity with a 30mm diameter entrance and they like to swarm. I think that they are also naturally geared to make their swarm decision based substantially around those preferred conditions.

As beekeepers, our desires are rather different. We don't normally want them to to swarm. We also want to get a honey crop from them.

We can get a relatively large surplus of honey by giving them lots of room to store it. They're judging their needs partly on that 45 litres and they will want to fill that pretty full. They keep filling and filling but they still have empty storage cells. We fool them by raising the bar on the size of their cavity. If they still had a 30mm entrance, they might notice the rather large number of workers they have, but by opening the entrance wider we fool them here, too. This cavity still has too little honey, too little brood and too much fresh air for swarming.

That's pretty good news for the beekeeper. It works! We'd never get crops the size we expect if they were still in that 45 litre box, and they'd be swarming like crazy.

Unfortunately, just that doesn't necessarily stop them completely.


 

Swarming -- Avoiding it

If Only I Was An Expert

The section on why bees swarm gives us some good clues about things we can do to reduce the likelihood of them doing so. There are also some steps we can take that are more than just subterfuge.

Firstly, there's a useful insurance policy -- clipping the queens wings. This is said not to hurt her and I have to say that they certainly don't appear hurt by it. It's effect though will almost certainly result in her death if we fail to stop her trying to swarm.

First let's clarify something -- clipping the queens wing will not stop her trying to swarm. Clipped properly it should stop her succeeding, though I've seen quite a few photographs of colonies established beneath the parent hive -- the only moderately suitable place the flightless queen could reach.

Also on our first queen rearing project here, several of us are convinced that we clipped to half length, the wings of a virgin queen. She still flew and she even managed to mate. Half length wings will not stop a queen from flying, though her chances of survival certainly are reduced. When you clip, make sure it works.

The reason we clip is that if we fail in our attempts to control swarming by our manipulations, that we have a back stop that gives us a few more days before we lose the workers that should have gone with her. If we fail again, they'll surely go with the first emerged virgin! Time is all it buys us, but it's a valuable all.

Thinking back to the the Why section, we can see several things that we might do to reduce their desire to swarm. Giving them more room and more ventilation are useful techniques, though they should not be carried to excess.

Give them room! If you're not sure whether you should add a super, it's probably safer to add one too many than one too few. Add it! Even if you're 90% sure they won't need it, why not put the next super ready over the cover-board? It will pick up the colony scent and if the bees want the space, they'll go up there and use it. If you were wrong, you have another insurance.

Ventilate well. It actually does help them to ripen the honey quicker and it helps to fool them into thinking they're not yet quite big enough to swarm.

This is perhaps not obvious, but a colony that thinks it doesn't yet fill that 45 litres can also be fooled by having room to build comb. Giving the wax builders ``something to do'' keeps their attentions away from leaving home. Building super comb may work, building brood comb certainly does. Maybe if things are getting too big, you should make a split and divide the colony into two half-sized colonies. That will certainly slow them down, but may also cost some honey. (An effective variation is to remove a couple of brood combs from the congested central area of the brood nest and substitute foundation).

Once the queenless half has made their new queen, consider removing the old queen and uniting the two back into a single colony, headed by the new queen. If you're heading towards swarming and they still have stores in the brood area, it might be a good idea to take it out and give them foundation! Even if they don't have stores, it may be worth sacrificing some brood and replacing it with foundation. You could transfer removed brood to another under-strength colony, but don't forget about diseases if you do that.

Here are a couple of other ideas that work for many people: Put a super full of empty frames (no comb or foundation) beneath the brood box. Again, I think this fools the bees into thinking they still have a way to go before they're ready to swarm, but I've also heard it suggested that the extra walk from entrance to brood next gives them time to `cool off' a little. Also, people working with double-brood hives may consider swapping the boxes over. The modest disruption to the brood nest shape seems to distract them for a while.

Once they actually start raising new queen cells, we're getting close to Take Action time. If you see cells (rather than just cups), you can knock them down to stop their immediate efforts, however you really must do something more. Probably one of the above actions -- more space, more foundation, etc. I've heard it said that beginners always miss a cell the first time they try this. I was certainly no exception and I've done it since, too. And don't fool yourself that you'll find all the cells without shaking the bees off the combs -- you won't!

Don't knock down queen cells more than twice in succession. If they're that sure they want to swarm, either you'll fail to find all the cells or the bees will become despondent. If they're that sure they want to go, you have to work with them to make them work for you.


 

Swarming -- Dealing with it

Ways to push them in the right direction

So they're determined they want to go, eh? Well we can make them go (or think they have) when and where we want, or we can lose them.

One option is to remove all the queen cells and the queen, leave them a further week, remove any further queen cells and requeen them with a nice new queen. They'll forgive us that they didn't notice the virgin stage and with no further queen cells they can't produce any casts. Also with that nice new queen, they should settle. We've fooled them into thinking they've swarmed.

Another option is to produce an artificial swarm. There are several methods of doing this and most are minor variations of the same thing. They all work on the principle of separating parts of the swarmy colony into combinations for which swarming is unreasonable. Usually this means taking the old queen and many of the adult bees, removing them from the brood and putting them on foundation.

For the classic artificial swarm method, you need a spare hive full of foundation and it works like this:

  • Find the queen and place her on a comb containing mostly eggs.
  • Move the old colony to one side and replace it with the spare box of foundation.
  • Put the old queen on her single comb in the centre of the new box,. replace the queen excluder and all the supers. This colony will keep all the flying bees and the colony will `think' it's swarmed.
  • Every couple of days for the next week, move the original brood box to a different location and orientation near the new brood box. This will cause yet more worker bees to return to the original location and build that colony, while simultaneously depleting the old colony to the stage where it has too few worker bees to sustain a swarm and just settles for its first new queen.

An interesting variation on the above says don't even bother to find the queen! Just put that single comb with eggs on the old site and do the manipulations. If the queen was on that comb you were lucky, if she wasn't, her retinue of workers will deplete drastically and she'll give up. It works! There is a caveat, though: If the queen cells are close to or actually capped, moving the queen aside will probably cause them to swarm. Fortunately they'll usually do so within a few tens of minutes and you'll probably be there to see it and catch them.

A slightly different method is the Taranov. This requires that you catch the queen and cage her. You then place the caged queen under a board sloped upwards towards the colony entrance, but sufficiently far away that the bees don't just walk back in. Four or five inches, 100-125cm is sufficient. The caged queen is now in a dark cosy place where the majority of flying bees will find her and they will form a cluster under the board. If the colony was very close to swarming, the other bees that were already planning to go may well come out and join them. We now have the `flyers' and the queen nicely settled outside the hive and they'll stay there until we move them. Now we can go through the hive at relative leisure and remove all the queen cells, or we could leave just one cell and raise a single new queen.

We can now house our ready-captured swarm in the usual way. Curiously though, I'm told on good authority that once they've `swarmed' like this and you've knocked down all of the queen cells in the parent colony, that they seem happy to be reunited and still `think' they've swarmed.

Another method to consider is dequeening the colony and reducing it to a single queen cell. This works well and leaves you with only the one colony, however it has a few difficulties. First you must find the queen and having done so, trap her in a queen cage. Then go through the colony looking for queen cells and knocking them down, keeping just one cell intact for your replacement queen. Pick a cell which has yet to be capped and ensure there's a nice big clean larva in it. Having completed that and returned all the brood frames, you can now remove the old queen. Many experts believe you should kill the queen now and drop the corpse into the brood nest. Certainly, if you don't, it's highly likely that your colony will try to swarm almost immediately their queen leaves (but they'll return when they can't find her).

Around five days later, you will need to go through the colony again, checking that your selected cell is o.k. and knocking down any new or emergency cells. Note that this strong and queenless colony may now be quite pugnatious, as last time you visited you wreaked havoc on them! If you don't do this check, your selected queen will probably head a really impressive `cast' and you will have failed.

A week or so later you should have an emerged cell and a new virgin queen. A further three weeks later you should find eggs and maybe young larvę. If you can't see any, give it another week before worrying -- its probable that you just didn't see them. If you still can't find any, maybe you should give them a test frame of brood all stages. Don't give them a new queen unless you're certain they're queenless as the workers will simply kill her.

One further option, for a softer but more labour intensive method, look up Snelgrove.

Gordon.


 

Single vs Multiple Gene Resistance

by Adony Melathopoulos

Apiculture Biotechnologist; Agriculture and Agri-Food Canada
Beaverlodge Research Farm.

Obviously, Apis cerana has some form of defense that it uses against the varroa. Perhaps this could be transferred to Apis mellifera?

The idea that any such trait is based on only one gene, or on some very small package of genes, is implausible.

In fact there are many behavioral honey bee traits that can be traced back to a handful of genes, among the most famous are the 2-3 recessive loci (or discrete non-segregating chunks of DNA) that impart hygienic behavior, whereby workers abort brood cells before foulbrood can sporulate or varroa have offspring.

Nonetheless, intuitively I am drawn to Robert[ Mann]'s argument, there is a big difference between taking discreet genes within a species and shuffling them around compared to moving genes among species. Genes work in the context of other genes, and putting a bacterial gene in a honey bee is at a much higher risk to fail than just moving honey bee genes around; IMHO it is too foreign a context to expect things to be in balance.

I will make a case, however, that even if single gene resistance to varroa is available, through classical breeding or transgenics, it cannot expect to hold up for very long. Throughout agriculture there are numerous examples of single gene solutions to keep a crop protected by a pest or disease which do not last long. Take the numerous varieties of wheat with single gene resistance to Hessian fly or Bt-transgenic lines of corn resistant to corn borer; it does not take long for resistance to break down. Resistance of this kind is no better than applying a pesticide in terms of resistance management.

The most successful cases of resistance are those which involve many many genes working in concert. Resistance of this kind is not easy to breed for, and maintaining lines once established can be a nightmare, but once established pests and diseases are hard pressed to overcome them. Returning to the case of honey bee hygienic behavior, the character was first discovered by investigating a beekeeper's line, the Brown line, came about by repeatedly selecting for bees that survived on comb with AFB scale, NOT by selecting for hygienic behavior. Further investigation into the Brown line found that not only was hygienic behavior at work, but resistant characteristic carried by the developing larva was also at play. Many characters at work rather than one leads to more robust resistance... it only stands to reason.

But single-gene resistance varieties of crops are far more common than varieties in which multiple genes confer resistance. Why? It is easier and faster to screen and maintain lines based on a few genes than on many genes.

What does this mean?

Lines incorporating a few genes that confer resistance will give immediate relief and the quickest results, which of course is what the industry needs today. If, however, we also consider the long term health of bee stocks, large breeding programs to select for lines with multiple gene resistance to pests must also be considered.

There is no such thing as a free lunch.


 

Kosher Honey

by Curtis Crowell

For many Jews honey is inherently kosher, much like fruits and vegetables. However, there are groups (particularly the Orthodox Jews) who prefer that most processed foods have kosher certification, meaning that the processing of the food has undergone a degree of supervision to ensure that the result is kosher. Honey is intrinsically parve, meaning neutral, not part of the meat or dairy groups.

You must use utensils that are not used for any other foods, especially non-kosher foods (e.g., shellfish, lobster, or pork), because honey would lose its parve status if combined with meat or dairy products. It also causes problems if you are not Jewish yourself and use these items to produce things with grapes (jelly or wine). It's easier to buy a set of pots and spoons and mark them for honey only. If you warm your honey before filtering make sure your stove is immaculately clean. Contrary to popular misconception, there are no ``special prayers''.

Most people, Jews and otherwise, really have no idea of how honey is processed and thus they are ignorant of these sorts of problems. Dead bees for example, are rather rare and in most cases can be pulled out before coming into the extractor. To suggest that the strainer is used mostly to separate the ``dead bee parts'' instead of the stray cappings and bits of comb is flirting with disaster.

You can be aware of all of these rules, but it still is best if you ask a rabbi to ``supervise'', who is willing to produce a certificate that the resulting product is kosher. Your best bet is to find a local rabbi and customer who will do this for a modest fee. Make him an expert on bees and honey and it will work out well for you both. If you contact the major organizations that supervise food processors for kosher certification, such as Kosher Overseers of America, or the Conservative Union, they will want very substantial fees up front and well as in some cases, the signing of a non-disclosure agreement. Unless you are moving tons of honey to a very narrow market it's not worth it (not for me).

I found a local rabbi who was interested in bees. Even even though his temple bought from me the prior year without kosher supervision, he was quite pleased when I asked him to act as mashigach and inspect my production. Although he declined to set a fee I gave him a token payment of $30 US. It takes only a few minutes to show him how the honey gets from the comb to the jar.

I also drove him out to a local farm where I showed him the bees at work. He put on a bee suit, and I took a picture of him holding a frame of comb with bees and honey - great PR for both of us (his temple web-guy put the picture up on their web site).

I don't believe comb honey can be considered kosher because of the wax worm treatments, but that is another story. The bottom line for me was that I considered the honey a pretty special kind of thing, the Jews do as well, and with a few simple steps to enhance its status it has worked out to be a good partnership. I also go to some temples to talk to their Hebrew students about bees. A few schools even offered to pay a small fee for this but I declined, it builds a lot of good will. Besides, now I have my own rabbi!

I'm not Jewish but have made an effort to get to know more about this since for the Jews honey is a special gift - for me also. It is in fact a rare kosher food that is produced by a non-kosher insect (you can't eat the bees themselves - only their honey).


 

Trading Standards

We have been sent the following letter from Jean Powell of Fareham:

Dear Christine,

HAMPSHIRE COUNTY COUNCIL - TRADING STANDARDS SERVICE.

I have been contacted by the County Trading Standards Service asking for details of HBA members. I discussed the situation with Graham Rowden, HBA Chairman, and it was decided that I contacted BBKA for advice and the enquirers to ask for further details.

BBKA suggested we give them every cooperation as they have legal rights to inspect our products.

The Trading Standards Officer said their aim is to give a comprehensive service and in order to do that they choose a project each year. This year's project is honey - ``To carry out a survey to see the levels of compliance with the honey regulations 1996''. Therefore, they will be looking at honey produced in Hampshire and the labelling of honey will also be checked to ensure this is done correctly.

The standards officers see themselves in a helping capacity, to enable honey producers to comply with the regulations.

The Chairman suggested, and the standards officers have agreed, that they will contact the Secretary of each Association so that they can supply a list of producers in their Association. Alternatively they can supply a full list of members indicating which beekeepers supply honey for sale, as it is recognised that many beekeepers produce enough honey just for their own and their family's use.

We hope your Association will co-operate with this request.

Yours sincerely

Jean Powell.

cc G Rowden, Chairman HBA

I know that all members who have been with us for some years should know and comfortably comply with the regulations, however newcomers might be a little under-informed or just need the assurance that they're ``doing it right''. I don't expect that anyone will get any awkward surprises, but now might be a good time to review your produce.

If you use standard jars and standard labels, you won't go far wrong on that count. Your labelling must include some means to locate you (e.g., in case of a problem -- or indeed a repeat order) and a lot number. Provided you fill your jars appropriately, you should be fine on weight/quantity.

More difficult is the water content rule, which for most small producers must be handled by ``skill and judgment'' as they say in competitions. Large scale producers should use a hydrometer, but smaller scale producers typically cannot justify the cost. A good guideline alternative is to extract only when combs are greater than 80% capped.

If you produce any ``speciality'' products, you may well want to check with Trading Standards that you are taking the correct steps to ensure the compliance of your products.

Gordon


 

Hunting Wasps

I saw a flutter on the lawn whilst mowing the grass and stopped for a closer look. Down on the ground was a quite large green and yellow dragonfly, flapping quite vigorously. On closer inspection I realised that there was a wasp on the back of the dragonfly, stinging it. This it did several times, despite quite violent movements of the dragonfly. I noticed that the latter's wings were badly frayed and suspect that this allowed to wasp to bring it down.

I quickly fetched a camera and took a few photographs `press' style (shoot first for a record, then worry about composition). As the wasp was taking a while to subdue the dragonfly, I decided I had time to get together a better set of camera tools. I first using a 135mm telephoto on a 14mm extension tube, which I find a reasonable combination if I don't want to go too close (60mm-ish). Later I changed to the standard 50mm lens on the same extension tube, which allowed me to get in to around 150mm and more than fill the frame.

I continued photographing with this combination until the light began to fade, finishing the last few frames on the film the following day. The final frame is of the completely empty dragonfly shell, which I collected. If things go to plan, I should have one of the photographs as this issue's cover picture.

When I related this to a work-mate, he mentioned that he had recently seen a yet more impressive demonstration of wasp power. In his case he saw a blue tit drop from a tree, closely followed by a hornet, presumed to be the assassin. The hornet proceeded to butcher the blue tit.

I have to admit that really hadn't realised the power of these insects until now.

Gordon.

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