Search results for bumble bees:
Commercial bees spreading disease to wild pollinating bees
Biology /
Jul 23, 2008 |
4.6 / 5 (13) |
5
Bees provide crucial pollination service to numerous crops and up to a third of the human diet comes from plants pollinated by insects. However, pollinating bees are suffering widespread declines in North America and scientists ...
Franklin's bumble bee may be extinct
May 26, 2009 |
4.8 / 5 (6) |
5
(PhysOrg.com) -- Native pollinator specialist Robbin Thorp, emeritus professor of entomology at the University of California, Davis, just returned from a scientific trip to southern Oregon and Northern California ...
Bees go 'off-color' when they are sickly
Biology /
Jul 16, 2008 |
4.7 / 5 (7) |
3
Bumble-bees go 'off colour' and can't remember which flowers have the most nectar when they are feeling under the weather, a new study from the University of Leicester reveals.
Immunity-Related Genes in Leafcutting Bee Uncovered
Nov 30, 2009 |
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(PhysOrg.com) -- The first analysis of immunity-related genes in a solitary bee has been conducted by Agricultural Research Service (ARS) scientists and cooperators.
Flight of the bumble (and honey) bee
Mar 20, 2009 |
5 / 5 (2) |
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Insects such as honeybees and bumble bees are predictable in the way they move among flowers, typically moving directly from one flower to an adjacent cluster of flowers in the same row of plants. The bees' ...
Bee species outnumber mammals and birds combined
Biology /
Jun 11, 2008 |
5 / 5 (2) |
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Scientists have discovered that there are more bee species than previously thought. In the first global accounting of bee species in over a hundred years, John S. Ascher, a research scientist in the Division of Invertebrate ...
Halictid bees' social behavior studied
Mar 13, 2006 |
3.8 / 5 (6) |
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Cornell University scientists say the social behavior of many species of sweat bees evolved simultaneously during a period of global warming.
Wasps and bumble bees heat up, fly faster with protein-rich food
Biology /
Jul 11, 2008 |
3.5 / 5 (2) |
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Good pollen makes bees hot, biologists at UC San Diego have found. Wasps warm up too when they find protein-rich meat, a separate experiment has shown.
Penn State researchers promote pollinator-friendly native gardens
Oct 19, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Across the country, pollinators such as honeybees and hummingbirds are declining due to habitat loss, diseases such as Colony Collapse Disorder (CCD), pests and excessive pesticide use. Penn ...
Why do some queen bees eat their worker bee's eggs?
Biology /
Dec 04, 2006 |
3.7 / 5 (6) |
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Worker bees, wasps, and ants are often considered neuter. But in many species they are females with ovaries, who although unable to mate, can lay unfertilized eggs which turn into males if reared. For some ...
Wild bees make honey bees better pollinators
Aug 29, 2006 |
4 / 5 (12) |
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When honey bees interact with wild native bees, they are up to five times more efficient in pollinating sunflowers than when native bees are not present, according to a new study by a pair of researchers at ...
Research cracks puzzle of why the bumble bee can fly so well
Jan 31, 2007 |
4.3 / 5 (49) |
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New research has cracked the old puzzle of why bees and other insects are so good at flying, paving the way for aircraft just a few centimetres wide to be built.
Perfect symmetry -- explaining the patterns in everyday life
Feb 13, 2008 |
3.7 / 5 (15) |
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The secrets of symmetry found in nature, art, music and architecture were the focus of a special lecture at Imperial College London this week, delivered by renowned Oxford mathematician, Dr Marcus du Sautoy.
Rare woodland plant uses 'cryptic coloration' to hide from predators
Nov 25, 2009 |
4.5 / 5 (4) |
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It is well known that some animal species use camouflage to hide from predators. Individuals that are able to blend in to their surroundings and avoid being eaten are able to survive longer, reproduce, and ...
Natural pest control on conventional and organic farms
Biology /
Feb 03, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- A study of natural pest control on conventional and organic farms in the southwest has found no difference between the two systems.
