Articles tagged with Bees
Researchers discovered bumblebees use two modes of flight to optimize energy usage, including the 'economy mode' that allows heavier loads with minimal extra flapping frequency. This behavioral choice reveals flexibility in bee behavior and challenges previous assumptions about insect physiology.
Scientists develop genetically engineered bacteria to target Varroa mites and deformed wing virus, increasing survival rates by up to 70%. The approach could one day scale up for agricultural use, improving bee health and food production.
A study by the German Centre for Integrative Biodiversity Research found that flowering plants are better pollinated in urban areas than in rural regions. Bees, particularly bumblebees, played a crucial role in this process. The researchers recommend considering the needs of bees when planning green spaces in both cities and countryside.
Research from North Carolina State University found that freshly burned longleaf pine forests have more bees and bee species than unburned forests. The study suggests that prescribed fires maintain a favorable environment for pollinators by reducing ground cover and releasing nutrients, increasing flower resources.
Researchers found that each bumble bee species selected a different assortment of flowers, even when foraging across the same landscape. The study identified 14 plant species preferentially selected by bumble bees, including thickstem aster and Rydberg's penstemon.
A new study found that solitary female bees inspect neighboring nests for signs of danger and use this information to choose a safe location for their own nest. They can remember geometric symbols associated with infected nests and avoid them in future breeding periods, demonstrating impressive cognitive flexibility.
Researchers discovered over 120 clusters of nearly two-centuries-old orchid bee nests built on the altarpiece of a Basilica Cathedral in Casco Viejo, Panama. The analysis of preserved pollen revealed 48 plant species, indicating a diverse floral landscape surrounding the cathedral in the late 19th century.
Researchers found that neonicotinoid seed treatments have driven a significant increase in insecticide toxicity to honey bees, particularly oral-based toxic loads, which rose by 9-fold across the US. The study highlights the need for mitigation and conservation efforts in regions with high levels of insecticide use.
A new study using bumblebees found that the sweetest nectar is not always the best; too much sugar slows them down. The researchers discovered that bees prefer nectars with lower sugar concentrations, which are easier to drink and vomit back up.
A study in Nature Communications reveals that the unique perfume chemistry of two species of orchid bees, Euglossa viridissima and Euglossa dilemma, is driven by a single olfactory receptor gene. The researchers found that the two species can be distinguished by their distinct perfume compounds, which are mediated by the OR41 gene.
Researchers at the University of York found that non-native plants are supporting communities of British insects, including pollinators and beetles. The study suggests that a balance between native and non-native plants may provide the best home for most insects.
The study found that solitary bees can tolerate a range of environmental conditions and have distinct preferences for nesting sites. The project's results could help inform land management to better protect ground-nesting bees.
Researchers found that bumblebees consuming more nectar due to sub-lethal radiation exposure may impair colony growth. This effect could have significant consequences for pollinator ecosystem services in the Chernobyl Exclusion Zone.
A new study found that a permitted neonicotinoid insecticide can effectively control pests while improving bumblebee foraging and food stores. This suggests certain neonicotinoids may be beneficial to bees, but the researchers caution against considering them as a homogeneous group.
Researchers detected imidacloprid residues in 48% of rape fields, posing a non-negligible risk to pollinating bees. Persistent use of neonicotinoids with certain crops threatens bee populations, highlighting the need for reinforcement of pesticide controls.
A recent study found that honey bees fare well during the summer months when placed next to soybean fields, but struggle in winter due to a lack of food. Moving hives to prairie sites with late-flowering plants improved their nutritional health and helped them survive the winter.
A study tracked honey bee nutrition and colony growth in Iowa's intensely farmed state. Colonies near soybean fields experienced short-term gains but failed to support long-term health due to lack of floral resources.
A study found that certain bulbs can persist in warm-season lawns, providing nutrition for pollinating insects. Five bulbs persisted for multiple years, including crocus and grape hyacinth, which attracted pollinators. The researchers suggest incorporating proven forage sources into landscapes to support pollinator health.
Research found that yeasts in nectar can stimulate the growth of bee colonies by boosting their health, despite altering the nutritional value of nectar. The presence of yeasts also had a positive effect on bee colony fitness and productivity.
Researchers Chris Roh and Morteza Gharib found that honeybees can harness the power of their wetted wings as hydrofoils to propel themselves forward. By generating a net horizontal momentum imparted to water, bees overcome drag forces and achieve efficient locomotion on water's surface.
Researchers discovered that bees use a specific wing motion to create a wave and propel themselves forward, essentially 'surfing' on the water's surface. This unique adaptation enables bees to escape drowning by generating a strong enough force to reach land.
Researchers found that probiotic supplementation increased immunity against American Foulbrood and reduced the survival rate of infected bees. The study demonstrated a significant increase in Defensin-1 expression, a key antimicrobial peptide in honey bee defense.
A new study reveals high levels of genetic diversity in US Deformed Wing Virus (DWV), a leading cause of honey bee colony losses. The diverse lineages of this virus equally harm bees and complicate the development of antiviral treatments, which could be used to create a vaccine.
Scientists analyzed the virus' course of action and discovered how it captures host ribosomes using a structured RNA sequence called IRES. This finding advances research into feeding bees RNA molecules that interfere with the virus's RNA, potentially offering a solution to Colony Collapse Disorder.
Researchers discovered that stingless bee larvae depend on a symbiotic relationship with three fungi species to develop and reach adulthood. The interaction between these fungi modulates larval development and highlights the importance of preserving this relationship against pesticide use.
Honeybees can learn to distinguish between quantities of three and four, but fail at finer differences. Training with a bitter-tasting quinine-flavored water reward improves their math skills, enabling them to differentiate between four and five shapes.
The study found that the supply of queens and packaged bees is sufficiently elastic to absorb demand increases due to colony collapse disorder, leading to no significant price hikes. Beekeeper methods of offsetting winter losses, such as splitting hives, remained relatively inexpensive and effective in meeting pollination contracts.
A recent study by Hebrew University researchers found that bumble bee workers sleep less while caring for young, even when not their own offspring. This suggests a mechanism allowing them to reduce sleep without a cost to health or cognitive performance.
Burt's Bees research highlights the effectiveness of natural ingredients like bakuchiol in addressing anti-aging concerns and protecting skin from environmental damage. Clinical studies demonstrate improved skin health, reduced sensitivity, and enhanced lip barrier function with nature-based skincare regimens.
Researchers sequenced the genomes of two Varroa mite species that parasitize honey bees, finding distinct strategies for survival and evolution. The study sheds light on how parasites and hosts co-evolve, potentially revealing new approaches to combat colony collapse.
A new study reveals that bumble bee workers tending to pupae sleep significantly less than other bees, even when the offspring are not their own. This finding suggests that substances produced by the pupae may drive the reduction in sleep.
Researchers have discovered nine new species of bees in Fiji, including one that is nearing extinction due to climate-related changes. The study highlights the vulnerability of highland-restricted species to a warming climate.
Scientists are developing a bee health diagnosis tool to help Canada's declining honey bees. The 'BeeCSI' tool will assess bee health in living colonies and provide management strategies.
A new tool from the US Department of Agriculture predicts the probability of honey bee colonies surviving winter based on colony size and varroa mite infestation. This allows beekeepers to decide whether to overwinter colonies in cold storage, reducing costs and improving financial viability.
Research by University of Kansas plant biologists reveals that abandoning one pollinator for another compromises a flower's long-term survival. The study found that hummingbird-pollinated species are less likely to form new species, while insect-pollinated species tend to be more successful in speciating and resisting extinction.
A new study found that almond, cherry, and meadowfoam provide ample pollen to honeybees, while highbush blueberry and hybrid carrot seed crops may not. Pollen diversity is crucial for colony growth and survival of the western honeybee.
A research group at University of Würzburg is focusing on the role of bacteria in bee health, finding that environmental factors have a stronger influence on solitary bees than previously thought. The study highlights the need for further research to combat bee mortality.
Research in forager honeybees suggests that changes in a vibration-sensitive neuron enhance waggle dance communication. The older bees demonstrate more precise connections to other brain regions and better signaling, allowing them to effectively convey information through the waggle dance.
Researchers found that 36% of squash bees are chronically exposed to lethal doses of clothianidin in soil, exceeding the acceptable threshold of 5%. This risk is applicable to many other wild bee species in Canada, highlighting the need for new approaches to protect pollinators and crops simultaneously.
Researchers have developed a method to trace industrial metals in the environment using honey and salmon. By analyzing lead isotopes in honey and Pacific salmon, scientists can identify sources of pollutants like lead and cadmium. The technique has been proven effective in Metro Vancouver and is being applied to other cities.
Researchers use 'Reverse Metagenomics' method to identify preferred wildflowers for bees, providing valuable insights into pollinator behavior and habitat conservation. This technique can be applied to various studies, including diet analysis and airborne allergenic pollen identification.
Recent studies reveal that pesticide adjuvants, commonly added to plant protection products, can be toxic to honey bees. Adjuvants increase mortality rates, reduce colony size, and impair brooding when co-applied with neonicotinoids, highlighting the need for environmental safety assessments.
A study by University of Würzburg scientists found that climate change accelerates the flowering of pasque flowers, outpacing the emergence of solitary bees, which rely on these plants for food. This disruption can lead to reduced seed production and reproductive success in plants, while negatively affecting bee populations.
A study by Zoological Society of London reveals 55 UK animal species have been displaced due to climate change, with invertebrates most affected. The research highlights the need for a centralized platform to track and mitigate the impacts of climate-driven species movement.
Researchers developed a new method to monitor neonicotinoids in living plants, allowing for spatial and temporal tracking of the insecticides. This probe could help pinpoint where and when bees are exposed to pesticides, informing efforts to protect pollinator populations.
A study by researchers from the University of Exeter and Berkeley found that crowding honeybees together does not greatly increase disease prevalence. However, intensive beekeeping could accelerate the spread of new diseases. Beekeepers don't need to worry about the number of bees they keep together as long as there is enough food.
A clinical trial at Flinders University and Royal Adelaide Hospital included 27 adults with a history of allergic reactions to European honeybee stings. The vaccine used an adjuvant developed in Australia to neutralize bee venom, showing promising results and confirming safety.
Entomologists call for immediate science-based actions to mitigate insect decline worldwide. Insect diversity and ecosystem services require targeted legislation and public awareness.
Research conducted by the CNRS found that organic farming boosts honeybee colonies with 37% more brood, 20% more adult bees, and 53% greater honey production. This may be due to a wider diversity of pollen resources or lower pesticide mortality.
Researchers at the University of Vermont discovered that viruses from domestic honeybees are spilling over to nearby wild bumblebee populations, primarily through shared flowers. The findings suggest that careful monitoring and treating of diseased honeybee colonies could protect wild bees from these viruses.
The B-GOOD project aims to create a EU-wide management and health data platform to assist sustainable beekeeping. The platform will utilize real-time data from six different monitoring tools to provide comprehensive analysis and advice for beekeepers.
The study highlights the importance of native southeastern blueberry bees in pollinating rabbiteye blueberries, increasing fruit set from 10-30% to 70% or more. Providing habitat for these bees on the edges of fields can support their population and improve pollination.
A study published in PLOS ONE found that US honey bees in urban settings collect a diverse range of pollen sources, with the most diverse in California and the least in Texas. The researchers tracked pollen collection across four states over two seasons, identifying key plant groups that provide consistent pollen year-round.
A study by the University of Exeter found that Varroa destructor mites indirectly increase infection rates among wild bumblebees by spreading deformed wing virus (DWV) through honeybee colonies. This highlights the need for beekeepers to treat their affected colonies.
Burt's Bees presents clinical research demonstrating the protective abilities of botanical antioxidants, improving barrier function, and modulating sebum and the skin microbiome. The studies highlight the role of nature-based regimens in reducing oxidative damage, decreasing skin sensitivity, and promoting overall skin health.
A global survey of 25,363 beekeepers found that honey bee colonies declined by 16%, with higher losses in some regions. Beekeepers who moved their colonies to access other forage or pollination faced fewer losses than those who kept them in the same place.
A recent study published in Scientific Reports found a negative combination between neonicotinoid insecticides and the Varroa mite, weakening honeybee colonies. The researchers observed a synergistic effect on body mass and survival rates, particularly in winter bees, compromising colony survivorship.
Researchers found that a nonlethal dose of insecticide curtailed the lives of bees by up to 50% and altered the behavior of worker bees when combined with a fungicide, potentially jeopardizing colony survival. The study suggests that the impact of pesticides on bees could be worse than previously thought.
A new study reveals that bumblebees' dietary needs are crucial for their development and the production of favorite foods like tomatoes, blueberries, and strawberries. The loss of plant diversity can lead to developmental delays and stress on queens, ultimately affecting colony growth.
Scientists found that honey bees share immunity with each other and their offspring through RNA 'vaccines' transmitted via royal jelly. This discovery could lead to new ways to protect bees against viruses and diseases.