On the right-hand side of the tree guard is a nest tube holder, already stocked with a dozen cardboard nest tubes.
Despite the lockdown this year’s consignment of mason bee pupae has been installed at Longney. Transporting livestock is, of course, permitted!
13 bee boxes containing a total of around 300 tubes, plus 4 release boxes containing around 200 pupae were placed a few weeks ago (in time for most of the blossom).
No pictures from this season, but here are a few from last year, showing Keith Turner installing the boxes and tubes:
Our AGM last weekend, at The Anchor Inn in Epney, was well-attended despite indifferent and rather windy weather – which we feared might put people off coming, especially for the orchard walkabout later.
After the official business was over we enjoyed two presentations – one on the Fish House (in our Longney Orchards) and one on Mason Bees. Juliet Bailey led on the Fish House, summarising her review of the building last year, the changes in overgrowth since we took the site on and the options for the future. In an ideal world we would be able to restore the building and find a use for it – but without funding or, indeed, an obvious use, we may have to consider other options. Juliet outlined the main scenarios – from full restoration to letting it fall down completely. We had a lively discussion over the ways forward, particularly bearing in mind that we are an Orchard Trust and so must prioritise orchard conservation, and so finding a partner organisation more attuned to historic building work might be a way forward. Some early ideas of partnerships are already being explored.
This was followed by a presentation by Chris and John Whittles from Mason Bees UK (www.masonbees.co.uk) who promote the use of Red Mason Bees (Osmia bicornus) as pollinators for gardens and orchards. They talked about their research on Mason Bee life cycles and pollination abilities, comparing this favourably with the more conventional concept of honey bees or bumble bees – Mason Bees being much more efficient.
Their presentation was wide-ranging – covering also experiences elsewhere (e.g. the US in Californian Almond Orchards) with other mason bee species, and the intriguing issue of observable better fruit following mason bee pollination. This phenomenon is perhaps due to differing microbial interaction between bee and flower – with mason bee interactions different to honey or bumble bees. The issue of colony health and good husbandry was covered too – Mason Bee UK’s system involve participants (Bee Guardians) sending the bee cocoons back to them each year to check for parasites etc, with the healthy cocoons and new nesting tubes sent back to hatch on site in spring. This avoids the build-up of pathogens and parasites a permanent ‘bee hotel’ would suffer from. For information on becoming one of their Bee Guardians visit their website here: https://www.masonbees.co.uk/bee-guardians
After lunch most of the attendees travelled the short distance north to our Longney Orchards, to view the changes over the last 12 months – barn restoration, fencing completion, grazing begun, remedial pruning completed etc. And discussion continued about the Fish House – now almost invisible under its covering of ivy – and about Mason Bees – whose release boxes and new nesting sites could be seen on site.
Some more pictures from the day below (pictures by Ann Smith and Juliet Bailey):
A reminder that it’s our AGM (in a pub!) this coming Saturday, 27th April – where, as well as AGM business, we will be discussing the historic Fish House within our orchards at Longney, learning about Mason bees from the people at Mason Bees UK and, if you stay until after lunch, walking around the orchard at Longney to see the blossom and recent changes (incl the restored barn and some sheep!).
Full details here: https://glosorchards.org/home/event/got-annual-general-meeting/
Our friends at masonbees.co.uk have recently analysed the uptake of the Red Mason bee tubes placed at Longney this year (see our bee report from August here). These bees are important and efficient pollinators for many plants, including fruit trees.
The Mason Bee scheme involves the bee tubes being sent back each season for assessment and to ensure the bee cocoons remain safe and viable for next year. These are returned for the following season.
Our results for this season were impressive with 39 sealed cardboard tubes producing a total of 256 cocoons averaging 6.6 cocoons per tube. These were of ‘excellent quality’ weighing in at 26.75 grams per 250 cocoons. Only 4 cocoons were discarded because they were to small and unlikely to be viable.
This confirms their, and our, impression that the orchards are an ideal location for Mason Bees and we will be continuing placing tubes next year, returning our own cocoons to the site and perhaps expanding to cover more of the orchard.
If you want to know more, or would like to try Mason Bees on your own land or garden in 2019 do visit the Mason Bees website at masonbees.co.uk. If you sign-up to their Bee Guardian scheme (a single one-off payment that will cover many years) they will send you a stock of Red Mason bee cocoons and everything you need to support the population of bees that emerge next spring – and the spring after that, and the spring after that! Details at https://www.masonbees.co.uk/product-page/become-a-guardian-with-masonbees-2019
Despite very poor spring weather, efforts to increase the population of Red Mason bees in our Longney orchards have been rewarding. We are increasingly confident that the small relic population of these “super pollinator” insects, which were found in 2017 remains and, thanks to help from Mason Bees UK, may now be multiplying.
The Red Mason bee is a delightful species. Much smaller than the ubiquitous Honey bee, and having a pretty, dusky red colour (and NO sting!), Red Mason bees emerge in April and May from their over-wintering cocoons, or pupae. They immediately search out early blossoming fruit trees, especially apples, and are able to pollinate far more efficiently than most other bees on the wing in spring.
Research has shown that even though, usually, they do not forage more than about 50 metres from their nesting location – usually small natural holes within the trees -they are able to pollinate more blossom, under more inclement conditions, than almost any other bee species. Which is why they are probably among the most valuable of insects to orchard owners.
In 2017, with advice and help from Mason Bees UK, around 16 artificial nest pipes – each holding special cardboard tubes for egg laying and storing pollen food – were placed in Long Tyning and Bollow. These would help to ascertain whether there were Red Mason bees present among these long established trees. At the end of the season, 4 of the 15cm cardboard tubes held within several of nest pipes had been used by the bees. Clearly we had a small active population. These filled tubes, each containing up to 5 pupae, were sent to Mason Bees UK to be opened, inspected and stored over the winter. Healthy pupae were then returned to us this spring, together with additional 40 pupae and 2 release boxes, for redistributing among the trees in order to try and boost numbers for the future.
The year’s results have been most encouraging. A total of 11 nest pipes contained 39 “sealed” (with characteristic clay – type soil plugs) cardboard tubes – a most encouraging result. These will again be returned to Mason Bees UK for the winter, with a new consignment of pupae arriving in Longney in March/April next year. We hope this will result in another year of significant increase during 2019, beyond which we could be well on the way to achieving a healthy self – sustaining population. We will, of course, be liaising closely with Mason Bees UK, as their objective is to substantially increase Red Mason bee populations nationally to the point where stocks can be offered to commercial orchard owners to boost fruit yields. And of course, help secure the future of this valuable native species. We will keep you posted!
Harvest time is here and we’re in the middle of Apple Day Celebrations!
National Apple Day (established by Common Ground back in 1990) is set as the 21st October. But, as many orchard events effectively compete with each other, Apple Day celebrations are often spread over several weekends in October. So some have already happened, others take place over the next week or so (school half term). For events near you try contacting community orchards in your area – our website listing hasn’t yet been updated but you can access the old list here: https://glosorchards.org/home/localorchards/
Apple Day at Days Cottage was last weekend and involved apples, bees, music, spoon-making and needle-felting! BBC Radio Gloucestershire (Fay Hatcher’s programme) were on hand to record the celebrations and you can hear an extract below:
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