Articles tagged with Bees
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The number of wild bees has fallen by 25% since 1990, threatening plant reproduction and food production. Researchers must assume social responsibility to communicate their knowledge and work in transdisciplinary coalitions to halt the decline.
Researchers found that honeybee colonies modify their social interactions and movement patterns in response to parasite infestations, increasing social distance between young and old bees. This adaptation helps reduce the spread of diseases while maintaining beneficial social behaviors.
Deploying honeybees on solar parks in the UK could raise crop yields and financial returns, with soft fruits and oilseed benefiting the most. The study found that prioritizing these crops within a 1.5km honeybee foraging radius around solar parks could boost values by £80 million annually.
Scientists at New York University have developed seven new crystal forms of the insecticide imidacloprid, which work up to nine times faster than the original version. The new forms enable the control of disease-carrying mosquitoes in smaller amounts and with reduced environmental impact.
Researchers found that bees in agricultural areas traveled an average of 743 meters for food, compared to 492 meters in urban areas. This suggests that urban areas provide a reliable source of food for honeybees, making them less reliant on longer trips to find nectar.
A new study finds that the 2019-20 Black Summer bushfires increased the number of threatened Australian native bee species by nearly five times. The research assesses the long-term environmental damage from the natural disaster and highlights the need for urgent conservation action.
Researchers discovered a cheap and naturally occurring chemical compound that can prevent or reverse the effects of the deformed wing virus in bees. Bees fed with this compound before becoming infected were nine times more likely to survive the virus after five days.
Pollinators contribute significantly to global food production, particularly for small-scale farmers who rely heavily on these services. The author emphasizes the need for increased support and research efforts to maintain biodiversity and improve crop yields.
Researchers at the University of Queensland discovered that stingless bees produce a rare, healthy sugar called trehalulose, which is not found in other honey or as a major component in other food. Stingless bees convert sucrose to trehalulose and produce honey rich in trehalulose in their gut.
Researchers found that bumblebee flight performance rises rapidly from 12°C and peaks between 25-27°C, but declines beyond this. This study suggests that climate warming may benefit some northern-latitude bee species, but poses risks to southern-latitude populations due to more frequent extreme weather events.
A new global risk index highlights the alarming decline of pollinators, which are crucial for food production and ecosystem services. The top causes of pollinator loss include habitat destruction, pesticide use, and climate change, with serious consequences for human populations, particularly in the Global South.
The University of Exeter has developed a virtual safe space tool called BEE-STEWARD to test different land management techniques for bumblebee survival. The tool provides a computer simulation of bumblebee colony survival in a given landscape, allowing researchers and farmers to predict the impact of their decisions.
A study by researchers at the University of California, Davis found that sunflowers facing east produce more offspring due to increased morning warmth attracting bees. East-facing flower heads also tend to be warmer in the morning and release pollen earlier, coinciding with bee visits.
A new study by the University of Sussex reveals that natural selection leads to fluctuations in nectar supply and demand due to changes in pollinator populations. When pollinators are scarce, flowers produce more nectar to outcompete others, but when they're abundant, less nectar is needed.
Researchers found that semi-natural habitat patches complement existing flower strips in protecting pollinators, attracting a greater number of species and providing year-round flowers. These small structures, such as hedgerows and overgrown fences, offer potential retreats and nesting sites for overwintering bumblebees.
A recent UC Riverside study reveals that neonicotinoids, commonly used in commercial plant nurseries, are deadly to bees regardless of watering levels. The research found a 90% decrease in bee reproduction with both high and low irrigation levels, highlighting the need for alternative management practices to reduce harm to pollinators.
New research shows that certain types of urban greening efforts can support multiple ecosystem services provided by plants and insects. Large green spaces with native plants, particularly flowering prairies, are ideal for conserving native bees and predatory wasps.
Researchers found that feeding bumble bees caffeine improves their ability to recognize specific flower odors and remember the location of nectar-rich flowers. However, this effect is short-lived, as the bees quickly adapt and lose their preference for caffeinated flowers.
Researchers discovered that honey bees plan ahead to create irregular-shaped cells and varying angles to bridge together uniform lattices when space constraints occur. By studying natural honeycombs and computer modeling, the team gained insights into how evolution can lead to multipurpose, strong, and resilient structures.
Researchers analyzed over 19,000 comb cells built by 12 colonies and found that worker bees adapt their building behavior to overcome various challenges, such as merging unaligned cells. The study suggests that honeybees are skilled architects rather than automatons, capable of solving complex problems through creative solutions.
Scientists used next-generation sequencing to study bumblebee health, finding evidence of pesticide exposure, including neonicotinoids, as well as pathogens. The technology allowed for quick detection of diseases and stressors, shedding light on the decline of bumblebee populations.
An international research team found that flowers often host multiple visitors, exerting different selection pressures on traits like color and scent. To mitigate these trade-offs, flowers employ various strategies, including scents and color changes, to attract or exclude different animals.
A study by the University of Göttingen found that diverse agricultural landscapes increase the species richness of wild bees. Different mass-flowering crops like rapeseed and faba beans support different wild bee species due to varying flower shapes.
A study from Flinders University reveals that a common native bee species has flourished since the first land clearances by humans in Fiji. The expansion of Homalictus fijiensis coincides with early human colonization of the Pacific islands, rather than climate change.
A recent study published in Forest Ecology and Management found that creating deadwood in coniferous forests can promote the abundance of aboveground nesting bees. The researchers created artificial structures with standing timber in six sample plots in the Black Forest National Park, leading to an increase in wild bee populations.
Researchers discovered that bumblebees can accurately detect and choose between flowers with varying levels of humidity. The study found that bees learn to distinguish between humidity patterns in a similar way to how they recognize colors or scents.
Researchers found that syrphid flies, a type of bee-impostor, were the second most common pollinators on urban and rural farms, accounting for 35% of visits. The flies' bee-like colors may help avoid predators, while their presence could also benefit plants by consuming pests like aphids.
Researchers discovered that sweat bees use patterns in the canopy overhead to navigate, finding their way home even in extremely low light conditions. This unique navigation system has implications for military applications, such as navigation for drones.
A Canadian researcher has reclassified a rare bee thought to be one of the rarest in the world, discovering it is an unusual specimen of a widespread species. The discovery was made using DNA barcoding and morphological analysis, confirming that the bee is part of the California digger-cuckoo bee genus.
Research reveals minor microbes, like fungi and environmental bacteria, play crucial roles in maintaining bee gut health. These forgotten microbes produce antibiotics, break down toxins, and metabolize nutrients, helping bees resist pathogens and climate change.
Researchers found that tiny hairs on honeybee abdomens reduce friction during movements, conserving energy and reducing wear. This discovery could inspire the design of longer-lasting moving parts.
A Cornell University-developed technology provides an antidote for deadly pesticides that kill wild bees and cause beekeepers to lose around a third of their hives every year. The antidote delivery method has now been adapted to effectively protect bees from all insecticides, and inspired a new company, Beemmunity.
A new fungus strain, developed by Washington State University researchers, has shown promise in controlling varroa mites that harm honey bees. The fungus, Metarhizium, can survive in warm environments common in honey bee hives and kill mites without harming the bees.
Researchers study individual bees' decision to sting based on alarm pheromone concentration, revealing a 'stopping effect' at high concentrations. The study suggests environmental factors drove the evolution of pheromone-based communication in honeybees' defensive behaviour.
A new study analyzing nearly 300 morphological traits in bees reveals strong evidence that complex social behavior developed just once in pollen-carrying bees, rather than multiple times. The research suggests a single evolutionary branch for honey bees and stingless bees, contradicting previous molecular genetic analysis.
Scientists tracked individual honeybee drones using radar technology, revealing their mating behaviors and finding that they move between multiple congregation areas during a single flight. This discovery suggests the existence of a new type of animal mating system in honeybees.
The University of Maryland's interdisciplinary collaboration aims to understand the complexities of valuing pollination services. Researchers examine the economic value of managed and wild pollinators, revealing the need for a more holistic approach to assessing pollinator health and resilience.
A 15-year study on wild bees in Michigan found a 61% decline in bee numbers due to extreme warm temperatures in spring 2012, with some species recovering while others declined. The research emphasizes the importance of long-term monitoring and protecting these essential insects for food systems.
A recently discovered letter by Albert Einstein discusses a link between physics and biology, suggesting new discoveries could come from studying animal senses. Researchers have now found that recent studies on migratory birds support Einstein's thinking, which was first proposed 72 years ago.
Researchers found that plants on the opposite side of a road received significantly less pollen than those on the same side, with effects varying by road size and bee species. The study suggests modifying existing pedestrian overpasses to include planter boxes could help facilitate pollinator movement.
A recent study found that more than 470 bee species inhabit a 16 km2 area of protected Chihuahuan Desert, representing 14% of the known United States bee fauna. This biodiversity hotspot provides valuable insights into native bee diversity and highlights the need for baseline information to assess human impact on bee faunas.
Researchers found that larger, more experienced bumblebees begin foraging at dawn despite poor visibility. This suggests that knowledge of food locations helps them navigate safely, and they can capitalize on the benefits of extra foraging time during early morning.
A comprehensive checklist of 9250 Hymenoptera species in northern North America is being published. The list includes nearly 230 species of ants and over 100 species of wasps, providing valuable insights into native pollinators and biological control agents.
Researchers monitored honeybee hives to study their electrostatic field (ESF) data, revealing communication patterns and impact of pesticides on bee health. The findings indicate that weakened communications can signal colony stress and damage from environmental pollutants.
A new Illinois-based study finds evidence of a steady decline in the availability of springtime flowers in wooded landscapes, which likely endangers queen bees' ability to start their nesting season. The scarcity of early-season flowers, particularly in forests, is attributed to declining forest plant cover since 1997.
A review of over 500 academic papers found that wasps are valuable for agriculture, providing biocontrol services worth $416 billion annually. Wasps also contribute to pollination, visiting 960 plant species, including those dependent on them for reproduction. Their venom and saliva have medicinal properties.
In Denmark, researchers found that farmed honey bees and endangered wild bees compete for limited forage resources. The study provides insights to guide conservation efforts by identifying key forage plant species.
A Curtin University study found that European honeybees can outcompete native bees for nectar and pollen resources in urban gardens dominated by non-native flowers. Planting more flowering plants preferred by vulnerable species and controlling honeybee density may help prevent native bee decline.
Researchers at the University of Arizona have developed a new technique to approximate neuron counts in individual animal brains, providing a more meaningful metric than traditional studies measuring brain size or weight. The study reveals that certain species of bees have a higher density of brain cells than even some species of birds.
Researchers found that native bee species with adaptable pollination behaviors are better equipped to thrive in fragmented habitats. By studying the interactions between bees and plants, scientists identified key factors that promote ecosystem health and biodiversity.
Researchers discovered that honeybees use pheromones to pass messages along, creating a complex communication network. The bees closest to the queen catch her scent and then transmit it to other bees in the colony, forming a chain of communication.
A study published in PLOS ONE reveals rare honey bee behaviors, including mouth-to-mouth larval feedings, using video recordings from within the hive. The research provides new insights into individual honey bee behavior, revealing complex social interactions and processes previously undocumented.
A University of Guelph study found female hoary squash bees exposed to imidacloprid dug 85% fewer nests and collected less pollen. The pesticide significantly reduces offspring production, threatening the future of these vital pollinators.
Research at York University found that maternal care of offspring leads to an expanding social life in bees, selecting more social genes over time. The study suggests a unifying principle driving social trait evolution across different species.
A rare Australian native bee species, Pharohylaeus lactiferus, has been found again after 100 years, with only six individuals previously recorded. The discovery highlights the species' vulnerability to habitat destruction and wildfires in Australia's rainforests.
Research reveals that worker bees can detect varroa-related compounds in brood cells, triggering a strong behavioral response to defend against the parasite. This finding has implications for breeding programs aimed at developing stronger resistance to Varroa destructor in honey bee colonies.
New research reveals urban gardens produce an overwhelming amount of nectar, equivalent to thousands of flying bees, and account for 85% of food sources for pollinating insects. The study highlights the pivotal role gardens play in promoting biodiversity in urban areas.
A new analysis of thousands of Michigan bees reveals that the most diverse bee communities have the lowest levels of three common viral pathogens. This study suggests that promoting diverse bee communities may be a win-win strategy to reduce viral infections in managed honeybee colonies while maintaining native bee biodiversity.
A study by researchers at the University of Sussex found that bumble bees dominate on certain flower species due to their energy efficiency, while honey bees thrive on others. The study analyzed the behavior of over 1000 bees and found that a bee's bodyweight and rate of visiting flowers determine its energy efficiency.
A study found that a high diversity of flowering plants can compensate for the negative effects of insecticides on wild bee reproduction. The research team discovered that red mason bees reproduced successfully when kept in enclosures with diverse flower mixtures compared to those with only oilseed rape.