Articles tagged with Bees
Researchers found a positive correlation between learning performance and immune response in bumblebees, contradicting previous predictions. Bumblebee colonies with strong learning abilities also showed improved resistance to bacterial infection.
Researchers at Queen Mary University of London discovered that bumblebees use flower scent to guide their nest-mates to good food sources. The bees learned the most from demonstrations by other bees bringing back scent, but also gained knowledge when the anise odour entered the nest.
A UC Davis researcher has crossed New World Carniolans with Old World bees to create a more productive, winter-hardy, and resistant strain. This genetic research aims to increase resistance to pests and diseases, which are major contributors to the decline of honey bee colonies.
A team of researchers discovered that bee swarms are guided by high-speed streaker bees, which fly through the top half of the swarm at high speeds. The team filmed swarming bees with high-definition cameras and analyzed over 3500 frames to build a picture of the insects' flight directions.
A new study found that honey bees reared quickly perform less optimally on tasks, leading to oxidative damage and reduced longevity. This suggests a link between rapid development and aging, with potential implications for human health.
Researchers found 8 types of bacteria that can degrade synthetic pyrethroids in sheep dip tanks, potentially preventing soil and river contamination. These microorganisms could be added to prevent environmental pollution.
Researchers discovered that giant honeybees' shimmering behavior acts as an anti-predatory defense, forcing hornets to hunt free-flying bees rather than nesting bees. This unique trait is linked to the hornet's flight speed and proximity to the nest.
Researchers found that bumblebees slow down when approaching camouflaged crab spiders to detect predators, losing valuable foraging time. However, this strategy doesn't improve their chances of avoiding capture and even leads to reduced efficiency.
Researchers found unprecedented levels of fluvalinate and coumaphos in beeswax, while pollen and bees showed lower levels of other pesticides. A new method using gamma radiation reduced acaricide load in beeswax by 50%. The study highlights the need for monitoring pesticide interactions and potential links to Colony Collapse Disorder.
Scientists have discovered that bumblebees choose whether to search for food according to how stocked their nests are. The team used RFID technology to track the activity of bees in the lab and found that colonies with low food reserves had a stronger response to pheromones, leading to more worker bees becoming active.
Ecologists assess the impact of human activity on bee populations and explore alternatives with native bees serving as 'biological insurance.' A study found that areas with extreme fragmentation have smaller bee populations and fewer species.
Researchers from Queen Mary University of London have applied Geographic Profiling (GP) technique to bumblebees to analyze their foraging behavior. The study revealed that bees create a 'buffer zone' around their hive to reduce the risk of predators and parasites.
Researchers found that parasitic flies in bee cells affect the size and behavior of emerging bees. Smaller bees are more likely to act as workers, while larger ones become queens. The study suggests that parasites may promote sociality in certain situations.
Scientists at the University of Warwick have found four types of fungi effective against varroa mites, which feed on honey bee circulatory fluid and transmit diseases. The researchers are exploring ways to deliver these killer fungi through various methods, including foot baths and powder sprays.
New research reveals that commercial bees are infecting and spreading diseases to wild pollinators, contributing to declining pollinator populations. The study found that commercially produced bumble bees carry a harmful pathogen that can be transmitted to wild bees at flowers.
A new study from the University of Leicester found that bumble-bees' impaired immune response leads to reduced learning abilities and altered behavior when infected. This research has important implications for understanding bee colony survival and the decline of wild bumble-bee species.
Biologists found that wasps warm up when finding protein-rich meat and bumble bees do the same with pollen, suggesting an ancestral behavior. Both insects' elevated body heat may be a signal to other bees that has acquired meaning beyond its original physiological function.
Scientists have found that Deformed Wing Virus (DWV) does not replicate in Varroa mites, highlighting the need for further investigation into its transmission. Research suggests that the virus is transmitted to bees when the mite bites and picks up infected bees' saliva or gut contents.
Two IEEE-USA Engineering Mass Media Fellows are writing news stories on science and technology for top California newspapers. The program aims to improve public understanding of STEM fields through clear communication.
International researchers discovered that Asian and European honeybees can share information and cooperate through dance language despite their geographical distance. The study showed that the two species can decipher encoded messages correctly after adjustment in a mixed colony.
Researchers found that honeybees use their right and left antennae to store different types of memories. Short-term memory is linked to the right antenna, while long-term learning relies on the left antenna. This lateralization may aid bees in learning new odours without interference from existing memories.
Researchers at Harvard University have successfully created permanent nanoscale bubbles that can last over a year, thanks to a unique surfactant mixture. The discovery has significant implications for the development of extended-lifetime gas-liquid products, such as aerated personal-care products and contrast agents.
Researchers have discovered a new mechanism of infection for American Foulbrood, the deadliest bee disease, allowing for potential prevention and control measures to be developed. The study provides a better understanding of pathogen-host interactions, crucial for combating infectious diseases in honeybees.
A University of Virginia study finds that air pollution destroys flower scents by up to 90 percent, impairing pollinators' ability to locate flowers. This decline in fragility contributes to the declining populations of bees and butterflies, which are essential for food production.
A study found that honey bees invading new areas benefit from the genetic endowment of their predecessors, with functional genes from European bees providing an advantage. This discovery sheds light on the evolutionary mechanism behind the expansion of honey bees into temperate regions and their ability to thrive in harsh winter condit...
The Häagen-Dazs brand has gifted a new garden design to Penn State's Harry H. Laidlaw Jr. Honey Bee Research Facility, featuring interconnected gardens and educational spaces. The design aims to provide year-round food sources for honey bees and raise public awareness about their plight.
Research suggests that predation pressures are key to maintaining sociality in bees, rather than biological complexity. The study of a rare African species with totipotent social ancestors reveals that ecological pressures prevail over evolutionary changes.
A team of researchers at Georgia Institute of Technology has developed a computer version of the honeybee dance, which directs server power between tasks to reduce the chances of server overload. This system improves service by up to 25% in tests based on real Internet traffic.
Research finds that honey bee queens who mate with multiple drones are more attractive to worker bees, leading to longer reigns. Pheromone composition changes after mating, with more multiply inseminated queens exhibiting stronger retinue response.
A study found that African elephants strongly respond to the sound of disturbed bees, fleeing immediately after hearing it. This response could be used as a valuable tool for elephant conservation and deterrence.
Researchers found that Cyprian honeybees mob and kill Oriental hornets through asphyxiation, targeting the hornets' abdomen to block breathing. This new defense strategy allows the bees to adapt to extreme conditions and survive.
A study by York University biologists Amro Zayed and Laurence Packer found that a single mated female solitary bee is likely the founder of an invasive population. This contradicts the 'propagule pressure hypothesis,' which suggests that more individuals introduced to an area lead to a higher success rate of invasion.
Researchers discover Israeli Acute Paralysis Virus (IAPV) significantly associated with colony collapse disorder (CCD) in honey bee colonies. IAPV was found in all four affected operations and correctly distinguished CCD from non-CCD status 96.1% of the time.
Researchers identified a virus, Israeli Acute Paralysis Virus (IAPV), as a leading candidate in the deaths of tens of billions of bees. The study found that IAPV was only present in collapsed colonies, suggesting a possible causal relationship between infection and Colony Collapse Disorder.
A team of researchers has found a strong correlation between Israeli Acute Paralysis Virus (IAPV) genetic material and Colony Collapse Disorder (CCD) in bees. The prevalence of IAPV, the timing of outbreaks, and geographical circumstances suggest that IAPV is a significant marker for CCD.
A study published by AAAS suggests that Israeli Acute Paralysis Virus (IAPV) is a potential cause of Colony Collapse Disorder (CCD), a phenomenon where adult bees disappear from hives. Researchers found molecular signs of IAPV associated with CCD, but stressors like poor nutrition and pesticide exposure are also likely involved.
A team of scientists has identified an odorant receptor that allows male honey bee drones to detect the presence of a queen up to 60 meters away. The receptor, which can detect the specific pheromone '9-ODA', is expressed in the antennae of male drones and plays a crucial role in their mating rituals.
Biologists have identified the first orchid fossil, dating back 76-84 million years, which suggests that showy blooms may have existed alongside dinosaurs. The discovery resolves a longstanding debate over orchid origins and provides direct evidence of pollination in the fossil record.
The National Bumblebee Nest Survey found that gardens contain the highest densities of bumblebee nests, with 36 nests per hectare. This suggests that gardens provide an important habitat for bumblebees, particularly in comparison to other countryside habitats.
A study by Cornell scientists found that genetically diverse honeybee colonies produced 30% more comb, stored 39% more food, and maintained foraging levels 27-78% higher than genetically uniform colonies. These colonies also gained weight due to sophisticated communication mechanisms like waggle dancing.
Arizona State University bee researcher Gro Amdam has been awarded a $240,000 Pew Charitable Trusts grant to investigate the role of social reversal in reversing oxidative damage in honeybees. Her research may lead to new insights into human aging and age-related diseases such as Alzheimer's and Parkinson's.
A recent study published in Ethology revealed that older workers give signals to the queen and rest of the colony initiating swarming activities. Researchers also found worker piping, a general instruction to fly, continues in the swarm after the queen leaves with the swarm.
Researchers found that small hive beetles can detect some alarm pheromones at levels below those detected by honeybees. The beetles associate the alarm chemicals with a good food source and head for the hive. Domesticated European honeybees are not as diligent in cleaning their hives, making them more susceptible to infestation.
The new BEES 4.0 software tool from NIST provides a comprehensive evaluation of environmentally preferred and cost-effective building products, including biobased options that can offset greenhouse gas emissions. The updated software offers improved data on over 200 products, with additional features for scoring environmental impact.
A study by University of Illinois researchers explores the molecular mechanisms behind queen bee longevity, revealing that vitellogenin plays a vital role in maintaining reproductive viability and longevity. The findings suggest that the queen's unique biology allows her to devote energy to reproduction while extending her lifespan.
Researchers found that a single gene, vitellogenin, plays a crucial role in coordinating the social life of honeybees. The study showed that vitellogenin regulates workers' division of labor, foraging preferences, and lifespan, with higher levels favoring pollen collection and lower levels favoring nectar collection.
Researchers found that honeydew honeys have greater antioxidant properties than nectar honeys due to their high polyphenol content and other chemical characteristics. The study suggests that honeydew honeys could be a valuable source of natural antioxidants for health benefits.
Researchers discovered that bumblebee workers specialize in tasks such as incubating young and fanning wings to cool the nest. The study found strong evidence for job specialization, with larger bees taking on foraging tasks, and smaller bees performing temperature-regulation duties.
Research reveals that four subspecies of honey bees originated in Africa before migrating to Europe. The study contradicts long-held beliefs about the honey bee's Asian origins.
Two studies on bee evolution support a new hypothesis that bees originated in Africa over 100 million years ago. The discovery of an ancient bee fossil in amber provides strong evidence for this theory.
Scientists develop method to train honey bees to detect explosives, including TNT, C4, and TATP, with exceptional olfactory sense. The technique harnesses the bee's natural reaction to nectar to record an unmistakable response to a scent.
Researchers studying bumblebee behavior have found that the bees' foraging patterns can predict successful seed production. The team has developed an unparalleled data set by testing various combinations of plant species on their reproductive patterns, revealing that adjacent flowers differ markedly in their mating patterns.
The research aims to make it simpler to select and propagate honey bees resistant to parasites and disease, enabling more accurate identification of Africanized honey bees. The genome data can also lead to medical breakthroughs in humans and new technological innovations for agriculture.
A complex genetic mechanism determines honey bee gender and maximizes gene transmission to the next generation, allowing breeders to design better mating systems. The csd gene, shared among honey bees, evolved before they became different species.
The honey bee genome sequencing project has generated exciting results, providing new insights into diverse topics in honey bee biology, including neurobiology and caste determination. The project's findings have also shed light on disease-resistant pathways and metabolic adaptations to an all-floral diet.
Researchers have unraveled the evolution of the csd gene in honey bees, which determines gender. The study's findings could aid in designing better breeding strategies to avoid sterile males.
A new genetic analysis has revealed that flies and moths are most closely related to beetles, contrary to previous theory. This finding suggests that the ability of insects to cooperate in social groupings may have evolved just once, rather than independently in several different species.
The honey bee's molecular structure of its biological clock is more similar to mammals than to flies, according to groundbreaking research. The key genes involved in the biological clock were identified and characterized, opening up new directions for understanding complex behaviors like sun-compass navigation and time sensing.
Researchers at the University of Illinois have identified 36 genes and 100 neuropeptides in the brain of honey bees, revealing new insights into their role in behavior, dance language, and hive defense. The study uses a combination of bioinformatics, mass spectrometry, and other techniques to analyze the honey bee genome.
Researchers at Oregon State University have discovered the oldest bee ever known, a 100 million year old specimen preserved in almost lifelike form in amber. The discovery supports the theory that pollen-dependent bees evolved from meat-eating wasps and sheds light on the rapid expansion of flowering plants during the Cretaceous Period.