News tagged with mellifera
Even low doses of insecticides put honeybees at risk
Scientists in France have discovered that honeybees are at a higher risk of dying from infection by Nosema ceranae (N. ceranae) when they are exposed to low doses of insecticides. The results, presented in ...
Sep 01, 2011 |
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Bees Throw Out Mites
Honey bees are now fighting back aggressively against Varroa mites, thanks to Agricultural Research Service (ARS) efforts to develop bees with a genetic trait that allows them to more easily find the mites ...
Sep 11, 2009 |
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Search results for mellifera
Can behavior be controlled by genes? The case of honeybee work assignments
What worker bees do depends on how old they are. A worker a few days old will become a nurse bee that devotes herself to feeding larvae (brood), secreting beeswax to seal the cells that contain brood and attending ...
Apr 17, 2012 |
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Increasing genetic diversity of honey bees needed
(PhysOrg.com) -- Increasing the overall genetic diversity of honey bees will lead to healthier and hardier bees that can better fight off parasites, pathogens and pests, says bee breeder-geneticist Susan Cobey ...
Mar 12, 2012 |
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Asian honey bees defend threat by banding together and shaking abdomens
Theory suggests that signals between prey and predator can coevolve. In order for an ‘I see you’ display to evolve, the prey species must be able to back up its ‘I see you’ with action, by outrunning the ...
Feb 24, 2012 |
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Bumblebees get by with a little help from their honeybee rivals
Bumblebees can use cues from their rivals the honeybees to learn where the best food resources are, according to new research from Queen Mary, University of London.
Feb 14, 2012 |
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Organism diversity: Fast-evolving genes control developmental differences in social insects
Genes essential to producing the developmental differences displayed by social insects evolve more rapidly than genes governing other aspects of organismal function, a new study has found.
Sep 19, 2011 |
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Africanized bees in Modesto likely an isolated case
The recent confirmation of Africanized honey bees in Modesto — the first confirmed case north of Madera County — is "probably an isolated case, and there probably aren't any more Africanized honey bee colonies in ...
Jul 28, 2011 |
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Genetic study offers insight into the social lives of bees
Most people have trouble telling them apart, but bumble bees, honey bees, stingless bees and solitary bees have home lives that are as different from one another as a monarch's palace is from a hippie commune ...
Apr 11, 2011 |
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Unconventional idea for antiviral contraceptive gel wins Gates Foundation grant
A vaginal gel that affords both contraception and HIV protection using nanoparticles that carry bee venom is one of the bold, unconventional ideas that won a 2010 Grand Challenges Explorations grant from the Bill & Melinda ...
Medicine & Health / HIV & AIDS
Nov 09, 2010 |
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Honeybee democracies offer insights, says new book
(PhysOrg.com) -- When honeybees seek a new home, they choose the best site through a democratic process that humans might do well to emulate, says a Cornell biologist in his new book, "Honeybee Democracy" ...
Sep 22, 2010 |
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Ants take on Goliath role in protecting trees in the savanna from elephants
(PhysOrg.com) -- Ants are not out of their weight class when defending trees from the appetite of nature's heavyweight, the African elephant, a new University of Florida study finds.
Sep 02, 2010 |
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List of search results for mellifera
