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Electric bumblebees

Electric bumblebees

by Chris, 15 June, 2016, 1 comments

Flowers have various ways of tempting pollinating insects to visit them.  Indeed, some have very complex mechanisms to promote pollination and fertilisation, for example, the bee orchid.  In order to attract pollinating bees, the orchid has evolved “bee-look-alike” flowers.  These draw the bees in with the “promise of sex”.  They attempt to mate with the flower, landing on the velvety lip of the flower and pollen is transferred.  The bee leaves ‘frustrated’.  However, the right species of bee doesn't live in the U.K., so here bee orchids self-pollinate. Read more...
Woodland types : Birch woodlands

Woodland types : Birch woodlands

by Chris, 10 June, 2015, 3 comments

Birch is a pioneer species, that is often replaced by oak, beech or other species.   After the last Ice Age, birch moved in quickly as the glaciers receded.   Even now, after clearfell in almost any part of the country,  birch is usually the first to appear by natural regeneration (and can act as a nurse for planted oak etc.); some refer to it as the 'forester's weed'.    Birch woodland is generally “open” and the trees are often of a similar age and size. Birch regeneration is often respaced (thinned) with a clearing saw  (the resulting thinnings may be used for horse jumps - like the Grand National). However, birch woodland has mainly persisted (in the U.K.) where conditions are harsh and limit the growth of other species. Read more...
The life cycle of bumblebees (Part 1).

The life cycle of bumblebees (Part 1).

by Chris, 17 April, 2015, 10 comments

Different species of bumblebees make their nests in different places (using feathers, hair, dried moss or grass or materials for loft insulation). White tailed bumblebees May be found under the floor of garden sheds Buff tailed bumblebees May use air bricks and nest in the cavity walls of house Early bumblebees Often use old birds’ nests in trees Tree bumblebees Make use of holes in tree trunks Carder bees May use grass tussocks, dry leaves e.g. Under bramble thickets   Read more...
queen bbee

Help save our bumblebees

by Dave Goulson, 17 November, 2014, 3 comments

You may well have heard that bees are in trouble. Domestic honeybee hives seem to die more often than they used to, and some of our wild bees have disappeared altogether; for example, three of the UK’s twenty seven bumblebee species have gone extinct. The big, long-term driver of declines has been farming intensification; where once we had plentiful hay-meadows and chalk downland, rich with flowers, we now have flower-free monocultures of wheat or silage grass. Pesticide use is also contributing to the problem, particularly new generations of systemic, persistent insecticides called neonicotinoids that get into nectar and pollen of both flowering crops and wildflowers. Read more...
Floral visitors

Floral visitors

by Chris, 23 October, 2013, 4 comments

Bees are (usually) frequent visitors to our gardens.  Gardening catalogues and websites are ‘always’ extolling the virtues of particular flowers / plants in terms of attracting insect visitors to our gardens.  These insect visitors are important pollinators – not just for garden flowers, but also for fruit trees and other soft fruits.  But is there any evidence about the ‘best flowers’ to plant for insect visitors – other than “opinion and general  experience”. Now some research on this has been done by the Department of Apiculture at the University of Sussex.   The Department and Professor Ratnieks (which have featured in the woodland blog before) are involved in “The Sussex Plan for Honey Bee Health and Well being”. Read more...
Threats to the Honeybee

Threats to the Honeybee

by Chris, 18 August, 2010, 11 comments

At the start of the twentieth century, it has been estimated that there were about one million beehives in the U.K. Now the number is about 280,000; there has also been a significant decline in the number of beekeepers. Read more...
The Wildwood

The Wildwood

by Chris, 13 September, 2007, 4 comments

In geological terms, our woodlands, forests, indeed most of our landscapes, are very recent. Our present countryside began to form some twelve to thirteen thousand years ago when the last Ice Age (The Devensian) came to an end. This ice age, like all the others that had preceded it, locked up massive quantities of water in ice sheets and glaciers and these covered much of Britain. Read more...
bumble bee

Bumblebees

by Chris, 1 August, 2006, 12 comments

Bumblebees are regarded as nice, gentle creatures; even their buzzing has a placid, reassuring sound. They rarely sting and are important pollinators in orchards, on farms and in our gardens. Sadly, however, they are under threat. Many species of bumblebee are on the decline and have been, according to some authors, since the late 1950’s. Their decline is often attributed to the introduction of intensive agricultural techniques. For example, Read more...

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