Articles tagged with Bees
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.
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.
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 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.
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.
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.
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.
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%.
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 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.
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.
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.
Researchers found that bees hold their antennae forward in response to increasing air speeds, but also maintain a fixed position when both visual cues and airflow are present. This suggests that bees may be using airflow to calibrate their internal speedometer, helping them estimate distances during flight.
A better understanding of how pollinators interact with plants is key to untangling the decline in pollinator health. Researchers are using molecular genetic analysis to reconstruct historical records of plant visits by native bees across 10 prairie sites in Kansas.
As air pollution increases, hydrocarbon molecules break down, confusing bees and increasing foraging time. This affects not only generalist but also specialist bees, impacting pollination and ecosystem balance.
Researchers used multiplexed shotgun genotyping to uncover species relationships within the North American genus Penstemon. The study confirms ancestral hymenoptera pollination and independent transitions to hummingbird pollination, revealing floral diversity and adaptations.
Researchers study bird and insect flight techniques to develop biologically-inspired UAV control systems. The goal is to create fully autonomous drones that can navigate without GPS or radar, enabling applications like surveillance and planetary exploration.
A new study published in PLOS Computational Biology found that genes involved in cellular remodeling are conserved across honey bees and mammals, suggesting a common origin for social behavior. These findings provide insight into the evolution of complex sociality in animals.
Researchers from Hebrew University of Jerusalem discovered that social time cues override light exposure in regulating honeybees' natural body clock. This finding highlights the complexity of clock regulation in natural habitats and has implications for understanding circadian rhythms in other species.
Researchers found that bumble bees selectively forage among plant species based on the nutritional quality of their pollen. The study identified specific plant species with high protein-to-lipid ratios as preferred by bumble bees.
Researchers at Mainz University discovered a new mechanism of neonicotinoids harming honeybees by reducing acetylcholine in royal jelly/larval food. High doses of neonicotinoids damage microchannels, jeopardizing normal development and survival.
Scientists found that cultivating squash led to the expansion of a bee species, Peponapis pruinosa, from central Mexico to California and Idaho. Genetic analysis revealed genetic bottlenecks in populations, suggesting farming practices may be causing local extinctions.
A London bee tracking project has begun, releasing 500 tagged bees to study their behavior and interactions with flowers in urban gardens. The project aims to understand the bees' preferred patches and favourite flowers, rewarding participants with prizes for identifying the most flowers visited by individual bees.
A University of Kansas researcher is studying the co-evolution of flowers with pollinators like bees and hummingbirds, exploring how natural selection has enabled flowers to shift strategies from bee-pollination to hummingbird pollination. She aims to discover the extent to which evolutionary change is predictable.
The study found that Varroa mites prefer infesting adult bees at mid-age, or during the nurse phase, which takes care of larvae. This preference significantly affects the mite's reproductive fitness and success later on.
Bees that specialize on sunflower pollen have evolved to avoid a common brood-parasitic wasp, Sapyga, which is unable to develop on the pollen provisions of these bees. This study suggests that specialization on sunflower pollen confers anti-parasite benefits.
A study found that isolated Cape honeybees in South Africa reproduce asexually, with female workers laying eggs fertilized by their own DNA. This unique behavior is linked to genetic differences at several genes, enabling social parasitism and population survival.
Research identifies genetic basis for social parasitism in Cape bees, where worker bees can reproduce asexually. The study reveals that multiple genes are required for this trait, including those involved in hormonal signaling and chromosomal segregation.
Researchers have discovered eight new endemic polyester bee species in Chile, showcasing their adaptability across various habitats. The newly described species, including the Charizard bee, display unique characteristics such as snout-like faces and broad hind legs.
A study by Purdue University reveals that honeybees collect pollen from non-crop plants contaminated with a wide range of pesticides, including pyrethroids and neonicotinoids. The researchers found that bees are chronically exposed to these chemicals throughout the growing season.
Researchers found that Australian small carpenter bee populations flourished in the wake of global warming following the last Ice Age. The study's findings suggest that bees have responded similarly to climate change globally, which could be a positive sign for their survival.
Researchers at the University of Bristol discovered that bumblebees' tiny hairs deflect in response to electric fields, but only the hairs alert the bee's nervous system. This finding suggests that electroreception in insects may be more common than previously thought.