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Archive for October, 2011

Steven Falk has produced the following publication on the bumblebees of Warwickshire, and says “whilst focussed on Warwickshire, much of the information, plus the photo-gallery at the end, will serve those interested in bumblebee recording and conservation throughout Britain”.

WARWICKSHIRE’S BUMBLEBEES
Introduction

Bumblebees are some of our most easily recognised insects, and they serve a vitally important role as pollinators of wild and cultivated plants. In the latter role, they are vital for local fruit and seed production in orchards, allotments and gardens. They help pollinate our apples, pears, plums, raspberries and important crops including Oil-seed Rape, Pea and Broad Bean. But like so many other important pollinators such as hoverflies, moths and butterflies, bumblebees are not having a particularly easy time in Britain’s intensively managed countryside. Several species have completely disappeared from Warwickshire and other parts of central Britain, whilst others are currently scarce and vulnerable. This publication places the spotlight on this attractive group of insects, helping you to identify, understand and conserve them.

Click here to read full publication (PDF)

Click here for other publications on the natural history of Warwickshire

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A SURVEY OF THE BEES AND WASPS OF FIFTEEN CHALK GRASSLAND AND CHALK HEATH SITES WITHIN THE EAST SUSSEX SOUTH DOWNS

Steven Falk, 2011

Abstract

For six years between 2003 and 2008, over 100 site visits were made to fifteen chalk grassland and chalk heath sites within the South Downs of Vice-county 14 (East Sussex). This produced a list of 227 bee and wasp species and revealed the comparative frequency of different species, the comparative richness of different sites and provided a basic insight into how many of the species interact with the South Downs at a site and landscape level. The study revealed that, in addition to the character of the semi-natural grasslands present, the bee and wasp fauna is also influenced by the more intensively-managed agricultural landscapes of the Downs, with many species taking advantage of blossoming hedge shrubs, flowery fallow fields, flowery arable field margins, flowering crops such as Rape, plus plants such as buttercups, thistles and dandelions within relatively improved pasture. Some very rare species were encountered, notably the bee Halictus eurygnathus Blüthgen which had not been seen in Britain since 1946. This was eventually recorded at seven sites and was associated with an abundance of Greater Knapweed. The very rare bees Anthophora retusa (Linnaeus) and Andrena niveata Friese were also observed foraging on several dates during their flight periods, providing a better insight into their ecology and conservation requirements. There was evidence that the low coverage of unimproved chalk grassland on the South Downs today following much loss and fragmentation in the last century may have resulted in some serious declines of certain bees and wasps and several probable local extinctions.

Cite as: Falk, S.J. 2011. A Survey of the bees and wasps of fifteen chalk grassland and chalk heath sites within the East Sussex South Downs. 76 pages. Selfpublished.

Report downloadable from the Sussex Biodiversity Record Centre:

http://sxbrc.org.uk/publications/East_Sussex_Bees_Wasps_Survey_Falk_2011.pdf

Also the Bee, Wasp and Ant Recording Society website: www.bwars.com

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From the Bumblebee Conservation Trust:

BREAKING NEWS – Fundraising success

We have just heard the fantastic news that we have received £340,000 in funding from the Heritage Lottery Fund in support of our three-year Bees for Everyone project.

This funding adds to grants and donations from Scottish Natural Heritage, an anonymous CAF donor and several other generous supporters. It takes us to within reach of our fundraising target.

The Bees for Everyone project is only now beginning, but over the next three years this ambitious project will build on the most successful elements of our work to date in order to:

1) support rare bumblebees throughout the UK through active conservation work to safeguard, restore and create valuable bumblebee habitats

2) raise public awareness of the importance of bumblebees and the problems that they face, inspiring individual action

In practical terms, as the project progresses, this will mean more flower-rich habitat, more events, more opportunities for learning and participation and significant improvements and refinements in many other areas.

There is a lot of hard work ahead before we reach these aims, but we nevertheless hope that you will join us in celebrating this significant success. Thank you to everyone who has played a role in supporting our work to date.

Dr. Ben Darvill
Chief Executive Officer

BBCT would like to acknowledge the generous support of the following funders:

The Heritage Lottery Fund, Scottish Natural Heritage, Anonymous CAF donor, John Spedan Lewis Foundation, S G Charitable Trust, Ernest Cook Trust, Ernest Kleinwort CT

Bumblebee Conservation Trust News

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