Articles tagged with Bees
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A new study suggests that human activity is driving the spread of honey bee pathogens, leading to colony losses. The research argues for collective actions to mitigate this issue, including stronger regulations and increased education among beekeepers.
Research reveals that honey bees can see objects as small as 1.9°, 30% better than previously recorded, and detect smaller details, improving navigation and survival. This discovery has implications for understanding insect vision and could aid in designing bio-inspired robotics.
Researchers sequenced Africanized bee genomes to understand their success. They identified a region linked to ovary size and foraging strategy, key traits for adaptation and dispersal. Hybridization between different populations led to the creation of new genetic variants, contributing to the bees' exceptional abilities.
Fast-learning bumblebees collect fewer resources and have shorter foraging careers, according to a new U of G study. The researchers found that the energy demands of intelligence may eat up limited resources, leaving smart bees with less energy.
A recent study reveals that rearranging nest boxes increases the return of blue orchard bees to managed sites, leading to higher nesting success and potential for sustainable commercial pollination. The experiment found a uniform nest-box distribution resulted in significantly higher nesting by all three factors measured.
Researchers discovered five species of bacteria that have been passed down from generation to generation in social bees for 80 million years. These symbiotic bacteria are a key part of the biology of social bees and can cause health problems if disrupted.
Researchers found that a pollinator's size significantly influences how much pollen is deposited, with bees fitting tightly into flowers to vibrate and unlock pollen. This discovery helps understand natural populations of nightshade plants and their pollinators.
New research finds that commonly used fungicides in almond orchards can be harmful to honey bees, leading to a significant reduction in their survival rate. The study's findings suggest that bees may face danger from chemical applications even when responsibly applied.
A study by Ohio State University researchers found that honey bees favor agricultural areas over urban neighborhoods for nectar and pollen. The discovery suggests that farmland can be a superior source of food for honey bees, contradicting the assumption that urban areas are more attractive to them.
Researchers found that antibiotic-treated honeybees were half as likely to survive, with gut microbes disrupted and harmful bacteria increased. The study suggests that overuse of antibiotics may contribute to colony collapse and has implications for human health.
Researchers found that plants pollinated by bumblebees became more fragrant and had larger flowers with greater UV color component. In contrast, plants pollinated by hoverflies were smaller and less fragrant, with increased self-pollination.
Researchers discovered bumblebees can recognize scents left by family members, sisters, and unrelated individuals. This ability helps them remember visited flowers and make informed decisions about food sources.
Researchers observed two bee species using green plastic to construct brood cells, a novel behavior that may reflect adaptive traits for survival. The study highlights the innovative nesting strategies employed by bees in response to environmental changes.
An international team of researchers identified a core set of genes involved in honey bee responses to viruses and parasites. The findings provide new possibilities for breeding more resilient honey bee stocks and understanding pathogen interactions with other insects.
Researchers at Queen Mary University of London trained bumblebees to roll a mini-ball into a goal, demonstrating unprecedented learning abilities. The study found that bees learned more efficiently when observing a skilled demonstrator, suggesting complex cognitive flexibility.
Researchers found that bees can solve a complex task by watching others, even improving upon the original process, and that observation is enough to learn the behavior, unlike simply copying it.
Researchers discovered that stingless bees have evolved larger guard bees to protect their nests from robber bees, leading to a more marked division of labor. This phenomenon is linked to the frequency of attacks by parasitic robbers, which has driven the evolution of this specialized caste.
The genome of the parasitic mite Tropilaelaps mercedesae has been sequenced to better understand its interaction with honey bees and develop effective control strategies. The study revealed specific features in the mite genome shaped by its parasitic life history, highlighting the need for new targets in controlling the mites.
A new mobile app developed by University of Vermont researchers aims to help farmers protect endangered bees by calculating crop productivity and pollination benefits. The app allows users to explore land management scenarios and virtually test how bee-friendly decisions would improve their business.
The study reveals wild bees are disappearing in US farmlands, including California, the Midwest and Mississippi Valley, threatening crop production. The 'trouble zone' counties face a potential mismatch between rising demand for pollination and falling supply of wild bees, highlighting the need for habitat restoration efforts.
A team of UA researchers used RFID tags to study bumblebee behavior, discovering that individual workers specialize on one food source per day. The results show vast variations in foraging activity among bees, with the most active foragers making 40 times more trips than less active workers.
A new study from researchers at UC Davis and UC Berkeley reveals the population structure of honey bees in California, shedding light on their origins. The research combines large databases to provide a comprehensive sampling of honey bees across Africa, the Middle East, and Europe.
A new study from Tufts University reveals that honey bees fine-tune their nutrient-seeking behavior based on the seasonality of their floral diet. Bees forage for minerals like calcium, magnesium, and potassium in water sources that reflect what's lacking in their pollen-based diet.
Researchers tested a reproductive ground plan hypothesis in solitary alkali bees, finding female bees adjust dietary preferences when reproductively active. The study suggests independent origins of social behavior via convergent processes.
A national analysis of 13 years' data reveals that Australia's venomous creatures pose a significant public health threat. Bees and wasps are responsible for the most hospital admissions, followed by spider bites and snake bites, with anaphylactic shock being a major contributor to fatalities.
A study by Martin-Luther-University Halle-Wittenberg found that traditional farming practices on the Yucatán Peninsula create attractive habitats for native sweat bees, improving pollination services. The researchers discovered that moderate farming with slash-and-burn practices has no direct negative impact on native bee populations.
A widely used crop chemical, Sylgard 309, increases the susceptibility of honey bee larvae to a deadly virus, Black Queen Cell Virus. This finding suggests that exposure to organosilicone adjuvants negatively influences immunity in honey bee larvae, resulting in enhanced pathogenicity and mortality.
Researchers discovered nine new species of Perdita bees in the American Southwest, filling an important role in natural ecosystems. The 'ant-like' males have a unique form and may spend time in nests, while females collect pollen to nourish their young.
The California Academy of Sciences has added 133 new plant and animal species to the world's family tree, including a deep-sea fish, sharks, ants, beetles, birds, and coral. These discoveries were made by over a dozen scientists and collaborators across five continents and three oceans.
Honeybee memories may hold clues to understanding human long-term memory formation and combating degenerative brain diseases. DNA methylation plays a crucial role in regulating memory specificity, with implications for treating conditions like Alzheimer's and dementia.
Researchers found that the Anthophora pueblo bees use water to excavate sandstone, creating durable shelters that protect them from erosion and parasite buildup. This unique adaptation allows the bees to survive in drought-prone desert ecosystems.
A new study by UCL finds that treating bees with light therapy can counteract the harmful effects of neonicotinoid pesticides, significantly improving survival rates and mobility. The researchers used deep red light to improve mitochondrial function and ATP production, enabling bees to recover from pesticide exposure.
Researchers developed a new laboratory system to study the deformed wing virus, showing viral antigens in all body areas, particularly in gland tissue. The discovery could lead to targeted strategies against disease-causing viruses and improve bee colony survival.
Researchers found that bees consider multiple factors, such as strong odour and visual appearance, when deciding on flowers to visit. Bees also form memories of previous experiences and receive feedback from their nest to inform their foraging decisions.
The discovery of the Moku virus highlights a new threat to bees worldwide, particularly honey bees that pollinate vital crops. The novel pathogen has the potential to spread globally and cause widespread harm to honey bee colonies.
A man developed acute hepatitis from consuming energy drinks, while another patient suffered serious heart complications after multiple bee stings. A third patient, an opium smoker, was diagnosed with lead poisoning due to contaminated tobacco products.
Researchers found that flowering ornamentals can provide critical biological services such as pollination and biological controls. The study identified 74 commercially available annual and perennial plant species that attracted a diverse population of pollinators and beneficial insects, including hoverflies, skippers, and native bees.
A recent study found that no single protein in royal jelly determines a honeybee's queen development. Instead, the nutrient mix is essential for larval growth and caste determination. The researchers' experiments produced intercastes with characteristics of both workers and queens.
A field study found pesticide exposure can impact bumblebee colonies, reducing queen and male production, which underpins colony success. The study provided a controlled method to assess long-term effects of pesticides on colony health.
A study found that multiple pesticides within colonies closely correlate with colony death, including some 'bee-safe' fungicides. The researchers assessed 91 colonies and found that the number of different compounds was highly predictive of colony death.
A new study from UMass Amherst finds that untreated lawns provide a rich diversity of flowers offering nectar and pollen to bees, boosting their populations. Researchers discovered 111 native bee species on lawns in suburban Springfield, Massachusetts.
Researchers found that Giant Ceropegia flowers mimic the scent of honeybees under attack to fool freeloading flies into pollinating them. The study reveals a complex reproductive strategy where plants use alarm pheromones to lure in insects.
Scientists found that queen bees infected with deformed wing virus can transmit the disease through natural mating, leading to colony collapse. The study suggests that a significant portion of failed bee colonies is due to queen failure, highlighting the importance of managing queen health.
Researchers found bumblebees can solve string-pulling task through social learning, with 60% of untrained bees solving it after watching others. The skill continues to spread even after the original string-puller is gone.
A study found that bees continue to use Lévy flight patterns when infected with viruses or diseases, indicating a possible innate ability to withstand pathogens. Researchers tracked individual bees using radar technology and discovered robust searching abilities even in unhealthy bees.
A study by University of Nebraska-Lincoln researchers found that exposure to imidacloprid, a popular insecticide, significantly reduces the number of eggs laid by queen bees. This impairment can lead to colony decline and death, highlighting the need for beekeepers to take precautions when using neonicotinoids.
Researchers found that flowers are a hot spot for bacterial transmission to wild bees, with multiple flower and bee species sharing the same types of bacteria. This discovery highlights the importance of understanding wild bees as an alternative pollination option due to declining honey bee populations.
Research from North Carolina State University shows that traveling honey bees have shorter lives and greater oxidative stress levels than stationary bees. Access to readily available food or supplemental nutrition can mitigate these negative impacts, particularly during periods of high flower scarcity.
A new study has linked exposure to neonicotinoid seed-treated oilseed rape crops to long-term population decline of wild bee species in England. The research found that oilseed rape is a key mechanism for neonicotinoid exposure among wild bee communities, leading to significant declines in biodiversity.
Researchers found that ground-nesting bees were the most abundant insects in corn and soybean fields, accounting for 65% of total pollinators. The study suggests that adopting no-till practices and programs like STRIPS could benefit pollinators, potentially increasing yields by up to 6%.
Plant scientists found that the cucumber mosaic virus alters gene expression in tomato plants, changing their scent to attract bumblebees. This indirect manipulation may help the virus spread pollen of susceptible plants, benefiting both the plant and the virus.
A study published in Frontiers in Microbiology found that pesticides applied to hives to control Varroa mites can damage the gut microbiome of honeybees, impacting their ability to metabolize sugars and peptides. The research suggests that these chemicals can specifically harm the microbes crucial for honey bee nutrition and health.
Researchers tracked individual bumblebees throughout their lives using harmonic radar technology, revealing distinct exploration and exploitation flight patterns. The study provides insights into how to manage landscapes to benefit plants, insects, and agricultural crops, as well as understanding gene spread and parasite transmission.
Researchers observed that certain bees act as 'fanners' during the hottest part of the day, funneling air towards cooler nest regions. This collective respiratory movement may help cool the nest with a mechanism analogous to mammalian inhalation.
Researchers discovered how queen honeybees control worker bees' fertility through the Notch cell-signalling pathway. The study found that inhibiting Notch signalling can overcome the effect of queen pheromone and promote ovary activity in adult worker bees.
Honey bees can manipulate the shape of their abdomens by curling in one direction due to asymmetrical membranes connecting abdominal segments. This unique movement is made possible by a thin, flexible layer of cells called the folded intersegmental membrane (FIM), allowing each segment to slide into the next one.
A study confirms a rare case of mutualism between humans and a wild animal, the Yao tribe's use of a distinct call to attract a bird species as a honeyguide resulting in 75% successful discovery of beehives. Researchers found that the 'brrr-hm' call increased the probability of being guided by a honeyguide from 33% to 66%.
Research reveals that humans use special calls to recruit wild birds, while honeyguides actively recruit appropriate human partners. This unique collaboration allows both species to access valuable resources.
Researchers discovered that water collector bees respond to thirsty nest mates' begging, increasing their water-bearing activity. The team found that the hive stabilized its temperature at 40°C by controlling its water intake.
A study by the University of Edinburgh reveals that plant flower arrangements influence bee flight patterns to maximize pollination and reproduction. Researchers found that flowers on one side of the stem lead to vertical flights, while circular arrangements discourage upward flights.