Articles tagged with Bees
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Researchers found that three specialized Kenyon cell subtypes in honey bees evolved from a single, multifunctional ancestor, potentially offering insights into human behavior. Transcriptome analysis revealed comparable similarity between the Kenyon cell subtypes of sawflies and honey bees.
A new Concordia University study found that the rapid growth of urban honeybee-keeping is adversely affecting nearby wild bee populations. The researchers compared bee population data collected from sites around Montreal in 2013 and 2020, finding a decline in wild bee species richness associated with increasing honeybee abundance.
A study in urban Appleton, Wisconsin, reveals that actively managed green spaces with native wildflowers support higher bee populations. By incorporating native species into urban landscaping, communities can promote biodiversity and enhance local ecosystems.
Researchers found that cellophane bees produce a liquid food for their larvae using lactobacilli bacteria, which are highly active and play a crucial role in their nutrition. This unique fermentation-based strategy has important implications for bee health and ecosystem ecology.
Researchers found that honeybees use forests less than expected, with colonies traveling long distances to find food due to limited tree species diversity. A more diverse forest with insect-pollinated trees and shrubs can provide a balanced food supply throughout the season.
A study by Penn State researchers found that organic beekeeping management is sustainable and supports high honey-bee survival and honey production, rivaling conventional methods. Organic and conventional management systems both increased winter survival by more than 180% compared to chemical-free management.
A recent study by the Chinese Academy of Sciences reveals that receiving an inhibitory signal associated with negative food conditions can decrease brain dopamine levels in dancing honeybees. The researchers also found that increasing bee dopamine levels reduces the aversiveness of hornet attacks.
Researchers have solved the mystery of why orchid bees concoct their own fragrance. The bee fragrance serves as a sex attractant and increases the reproductive success of males. The study found that the females are attracted to the scent and that it triggers mating behavior in them.
A study by the University of Exeter and Bayer AG found that pollinators produce a conserved family of cytochrome P450 enzymes to tackle alkaloid toxins in plants. These enzymes allow bees to safely consume nectar and pollen from toxic plants, shedding light on insect tolerance mechanisms.
Native bees in Oregon's Coast Range are diverse and abundant in clearcut areas within years of timber harvest, but numbers drop sharply as the forest canopy closes. Management practices that promote open conditions can enhance floral resources and promote bee diversity.
A new study found that sunflower pollen's spiny structure reduces infection of a common bee parasite by 81-94% and increases the production of queen bumblebees. The research also suggests that other flowers in the sunflower family may have similar disease-fighting powers.
A new study reveals that the squash bee has evolved in response to increased agriculture, particularly squash cultivation. This adaptation allowed its population to expand significantly, making it an essential pollinator of these crops.
A study found that honeybee hive debris contains diverse genetic information from environmental bacteria, fungi, and plants, indicating unique microbial signatures for each city. This could be used to assess the overall health of cities and honeybees.
A recent study found that U.S. college students have low awareness of wild bee species, with their knowledge focusing primarily on honey bees and pollination services. The researchers suggest that education alone may not be enough to produce attitude and behavior change, and propose a novel approach using semantic network analysis and ...
Researchers developed a temperature-modulating robotic system to study honeybee behavior in winter, demonstrating its ability to influence movement and prolong colony survival. The system also revealed previously unreported dynamics and shed light on critical periods for bee development.
A new study suggests that climate change could lead to increased pesticide toxicity on bee populations and their pollination services. Environmental temperature can influence the degree to which pesticides affect bees' behavior, with certain temperatures causing a 'tipping point' in their ability to tolerate pesticide exposure.
Researchers found that honeybee foragers use waggle dance to provide both polar flight instructions (bearing and distance) and Cartesian-location vectors to approach the source. This new understanding reveals the complexity of symbolic communication in honeybees, adding new insights to the study of their navigational abilities.
Researchers at the University of California - San Diego found that honey bees use a 'waggle dance' to communicate the location of food sources, and that this behavior is improved by learning and culturally transmitted. The study demonstrates the importance of early social signal learning in non-human spatial referential communication.
Researchers found that young honey bees who followed dances of older bees improved their performance, reducing disordered dances and increasing orderly ones. Social signal learning refines behaviors for local conditions, suggesting it's advantageous for novice dancers to learn from experienced ones.
Researchers found that bumblebee colonies adopt and prefer specific solution methods to a puzzle box problem, demonstrating the importance of social learning. The study suggests that bees with prior experience can teach others, leading to the spread of behavioral approaches within the colony.
A study published in PLOS Biology found that bumblebees acquire new behaviors through social learning, with observed bees consistently choosing the taught method over an alternative option. This suggests that social learning may have driven the evolution of complex behaviors in these insects.
Researchers have found that honeybees use linear landscape elements, such as irrigation channels, to guide their search flights when looking for their hive in new areas. The bees retain a navigational memory of their home area based on these elements, which they generalize to the new area to find their way home.
A team of researchers has developed a method to observe bee brains directly, using a calcium sensor that monitors neural activity in response to environmental stimuli. The study provides insights into how social behavior is located in the brain and how it affects animal cognition.
A warmer climate is causing bumblebee queens to emerge earlier, potentially disrupting the timing of plant-pollinator interactions. This can lead to reduced biodiversity and lower pollination rates, as some species may not have enough food during their flight period.
Researchers found that indoor refrigeration units increased queen survival rates and reduced maintenance needs compared to outdoor storage. The study suggests that 'queen banking' could be a key strategy for strengthening honey bee survival in the face of a changing climate.
A three-year effort to conserve bee populations showed positive effects, with increased bee abundance and diversity in studied areas. However, quality of the habitat played a key role in these positive effects, and its impact on maintenance over time was also significant.
A study by the University of Göttingen found that arranging rows of trees at right angles to semi-natural habitats increases pollination performance and nut production. The design also promotes easy movement of bees through the plantation.
Researchers developed new spiro-pyrazolo quinazoline derivatives with reduced bee toxicity without compromising insecticidal activity. The compounds showed promising results, including one compound with an LD50 value three to four orders of magnitude lower than fipronil.
Researchers at Cornell University found that wild bumblebee queens are being killed in commercial hives due to their attractive colors and smells. The study used queen excluders to test the hypothesis that these hyper-attractive cues are attracting usurping wild queens, leading to their deaths.
A new study found a negative relationship between honey bee abundance and wild bee species richness, with small species being most affected. The research suggests that honey bee population increases may be threatening local wild bee communities in urban areas.
A study published in Genome Biology and Evolution found a core genetic toolkit for reproductive division of labor in rudimentary insect societies. The authors identified common genes associated with fundamental social divisions in bees and wasps, suggesting a universal molecular 'theme' for cooperation across species.
A new study by Penn State researchers found that US honey bee colony loss is primarily related to parasitic mites, extreme weather events, and nearby pesticides. The study integrated multiple large datasets at different spatial and temporal resolutions to assess various potential stressors associated with colony collapse across the US.
A Lund University study evaluates 'Operation: Save the Bees' campaign, finding that creating meadows with diverse flowering species and planting older flowers improves pollinator numbers. The researchers also highlight the importance of investing in effective measures to support urban biodiversity.
A study by researchers at the University of Göttingen investigated the effect of mixing wheat and faba beans on pollinating insects. They found that areas with mixed crops were visited equally often by foraging bees as those with single crops. The findings suggest that this mixture may counteract pollinator decline.
A study found that a small number of Varroa mites can infect many adult honey bees, with high-risk mites spreading pathogens through frequent host switching. This mechanism amplifies the vectorial capacity of Varroa destructor.
A study by US Department of Agriculture scientists has identified a specific metabolic pathway controlling energy and immune response in honey bees under cold stress. This pathway is strongly connected to large overwintering colony losses, making it a promising avenue for new therapeutic strategies to mitigate these losses.
Researchers discovered glyphosate residues in wildflowers near sprayed fields, exposing bees to potential harm. The study highlights the need for further research on glyphosate's impact on bee species and its potential use as a desiccant before harvesting crops.
A study found that male mason wasps use their genitalia to sting and defend against predatory tree frogs. This defense mechanism is a first for the scientific community, as it highlights the importance of male genitalia in animal interactions.
The Horizon 2020 project PoshBee collects stakeholder summaries to increase accessibility and impact of EU-funded research on bee health. The summaries, published in plain language, provide concise recommendations on the practical value of project results.
Genetic analysis confirms Asian hornet's origins, linking it to a single mated queen that arrived in France in 2004. The finding raises concerns about future invasions despite the species' limited suitability for Ireland's climate.
A recent study found that carbon dioxide changes the way macronutrients are stored and reallocated in the body of bumblebee queens. The researchers discovered that carbon dioxide induces a change in metabolism, which then triggers secondary effects on reproduction, contrary to previous hypotheses.
Researchers at Göttingen University found that removing vegetation in small areas led to a significant increase in ground nests, especially with nearby flowering plants. The removal of vegetation proved to be a simple measure to promote ground-nesting wild bees on calcareous grasslands.
A new study found that honey bee lifespans in lab-kept conditions are 50% shorter than they were in the 1970s, corresponding with increased colony losses and reduced honey production. The researchers suggest a genetic component may be influencing this trend, which could lead to breeding programs for longer-lived bees.
Researchers found that fertilizers change the electric field surrounding a flower, affecting bees' ability to navigate and feed. This alteration lasts for up to 25 minutes and can persist beyond a single use of chemicals.
Researchers found that shorter flower petals reduce the transmission of a harmful pathogen, increasing larval production and bee health. Planting flowers with trimmed corollas or even distribution of nectar also supports bee well-being.
A study published in Animal Behaviour found that bumble bees engage in playful behavior by rolling wooden balls repeatedly. The research showed that younger and male bees rolled the balls more than older and female bees, respectively.
Researchers discovered that two approved insecticides can damage honey bees' intestinal flora, making them more susceptible to disease. The study highlights the need for rigorous research on pesticide effects on beneficial insects before approval.
Researchers have discovered that insects can produce as much atmospheric electric charge as a thunderstorm cloud. Insect swarms alter the electric field force at ground level, affecting local weather patterns. The study, published in iScience, highlights the link between biology and physics.
A new study reveals the Atacama desert's 'blooming desert' phenomenon is characterized by a high level of variability in flower colors and patterns, which are invisible to human eyes. However, pollinators such as bees and wasps perceive this diversity due to their unique color sensitivity.
Researchers found that bumblebees can only retain basic ranking memories for a few minutes. They can remember which flower was sweeter than another but struggle to recall the sweetness of individual flowers.
A study by Finnish researchers found that exposure to the herbicide glyphosate impairs bumblebees' fine color vision, affecting their ability to learn and remember connections between colors and tastes. This weakened color vision can severely impact bumblebees' foraging and nesting success.
New research from the University of East Anglia reveals that wild bees are actively foraging in the sunlit woodland canopy, particularly among Sycamore trees. A diverse community of wild bees was found to thrive in this habitat, with nectar and pollen-rich trees providing essential food sources.
Researchers found that small amounts of development can positively impact bee species in a given area, revealing the importance of forest remnants and blended landscapes. The study discovered 111 species, representing 20% of known Georgia bee species, and provided a framework for future research to assist in bee conservation.
Researchers found that hedges and perennial flower strips complement each other to support wild bees in orchards, with species visiting flowers at different times of the year. Perennial flower strips were more beneficial for wild bees than annual strips, attracting different bee communities over time.
Researchers have developed a technology using flying robots that mimic the collective building methods of bees and wasps to construct and repair large structures. The Aerial Additive Manufacturing system consists of drones that work autonomously but are monitored by human controllers, adapting their techniques as needed.
The research aims to create opportunities for beekeepers to produce certified-organic apiary products by tracking foraging patterns. The team will decode the bees' waggle dances and track their movements with harmonic radar.
A new study from Lund University found that solitary bees ingesting the pesticide clothianidin resulted in slower bees and smaller strawberries. The research team also discovered that the substance impaired the bees' ability to pollinate strawberry flowers, highlighting the complex effects of pesticides on bee behavior.
A recent study found that one-third of wild bee species in Pennsylvania have declined in abundance over a six-year period. Researchers sampled bees at eight locations and collected over 26,700 individual bees representing five families and 144 species.
A Rutgers-led study finds that biodiversity of the bee population is crucial for maintaining stable pollination services over a growing season and years. The research suggests that different bee species pollinate the same plants at different times and dominate pollinators on specific types of plants in different years.
A recent study by the University of Exeter reveals that honeybees rely on both color and pattern to identify flowers. The researchers found that bees can effectively distinguish between different flowers using a combination of these elements, suggesting that flowers don't need to evolve many different petal colors.