Articles tagged with Bees
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Michigan State University has been awarded a $1.6 million grant from the USDA to support specialty crop yields and profit through improved pollination management. The five-year project aims to develop region- and crop-specific Integrated Crop Pollination approaches using honey bees, wild bees, and alternative managed bees.
Researchers at the University of Sheffield and Sussex aim to build flying robots that can sense and act autonomously like bees. They will use computer models of the systems governing a honey bee's vision and sense of smell to achieve this goal.
Researchers discovered specific proteins in honey bees that help them resist Varroa mite infestations. These proteins enable the removal of infected larvae and reduce mite populations, promoting the survival of the species. This natural approach could provide a solution to Colony Collapse Disorder.
Researchers at Arizona State University and Norwegian University of Life Sciences found that resveratrol extends honey bee lifespan by 33-38%, reducing food intake. The compound triggers a moderation effect, making bees less sensitive to sugar concentrations.
Scientists tracked bumblebees to understand their route selection process. After an average of 26 attempts each bee refined its route through trial and error, selecting the most efficient path. The study revealed that bees don't easily forget a fruitful flower and can learn complex routes without visual cues.
Scientists tracked bumblebees in a field setting to study how they select optimal routes to collect nectar. After repeated trials, bees refined their paths, using mathematical models to understand their learning process and optimize their routes.
Researchers found 155 regions of DNA with different tag patterns in bees, which were mostly regulatory genes known to affect other genes. The epigenetic marks were reversible and connected to the bees' behavior, with more than half of those regions already identified among the original 155 regions.
The pollination services provided by insects like bees and hover-flies are crucial for global food production, but declining pollinators threaten this ecosystem service. The loss of pollinators could lead to reduced crop yields and decreased fruit and vegetable availability, exacerbating food insecurity.
Recent research reveals five new species of cuckoo bees from the Cape Verde Islands, demonstrating the region's rich biodiversity and evolutionary diversity. The discovery highlights a phenomenon known as 'island gigantism,' where isolated populations exhibit increased body size.
Royal jelly's composition can be modified to change the body size of queen bees during development, with a potential impact on human health. The study uses histone deacetylase inhibitors to create super RJ, leading to increased larva growth and potential health benefits.
Researchers discovered that older honey bees effectively reverse brain aging when they take on nest responsibilities typically handled by younger bees. The study found changes in molecular structure of their brains, including the presence of proteins that can help protect against dementia.
A study by Arizona State University researchers identified a possible molecular link between sweet taste perception and the state of internal energy in honey bees. By suppressing two genes, they discovered that bees can become more sensitive to sweet taste, similar to people with Type 1 diabetes.
A study by researchers in Hawaii and the UK reveals that Varroa mites facilitate the spread of the Deformed Wing Virus (DWV) among honey bees. The mite's presence increases DWV frequency from 10% to 100%, leading to massive colony losses and a single 'virulent' strain emerging.
Researchers at University of Cambridge discovered that conical cells on plant petals provide crucial grip for bees, increasing pollinator preference. The study reveals that these cells help bees land on flowers even in windy conditions.
A study by UC San Diego biologists found that a small dose of imidacloprid, a commonly used crop pesticide, makes honey bees more selective and less willing to feed on low-sugar nectar. This can lead to reduced food stores and communication among the colony.
A case study reported a severe anaphylactic reaction to bee pollen in a woman with seasonal allergies. The authors warn healthcare providers and patients about the potential risk of allergic reactions to bee pollen supplements, particularly among individuals with no known allergy history.
Researchers found that high selenium concentrations in nectar and pollen had no effect on honey bees' foraging behavior, but affected their sucrose response and led to early mortality. The study suggests that selenium may not be the primary cause of Colony Collapse Disorder.
Promiscuous queen bees on Hainan Island and other locations keep their colonies healthy by maintaining a diverse gene pool. By mating with multiple males, they ensure the combination of complementary sex determination genes is kept diverse.
A new study from Harvard School of Public Health finds a link between imidacloprid and Colony Collapse Disorder (CCD) in honeybees. The researchers discovered that even low levels of the pesticide can cause hive collapse, highlighting the potential impact on agriculture.
Research from North Carolina State University reveals that honey bees increase propolis collection by 45% when infected with harmful fungi, providing a natural antifungal agent to protect their colony. The bees also physically remove infected larvae to prevent fungal spores from spreading.
Two studies found that neonicotinoid insecticides harm bumblebees by reducing food intake and queen production, while impairing honeybees' homing abilities, leading to increased mortality. The pesticides can also interfere with bees' behavior, posing a threat to pollination.
Researchers have discovered that Japanese honeybees use a novel defense mechanism when threatened by Asian giant hornets, creating a 'hot defensive bee ball' to cook the hornet. This behavior differs from European honeybees and is associated with increased neural activity in higher brain centers.
A study published in PLOS ONE found that the stomachs of wild honey bees contain a diverse range of healthy lactic acid bacteria that can combat bacterial infections and diseases in both bees and humans. The researchers also discovered that these beneficial bacteria are lost when commercially farmed bees are treated with antibiotics.
Gene Kritsky will give the Entomology Founders' Memorial Award lecture at Entomology 2012, honoring Charles Darwin's theory of evolution by natural selection. Dr. Kritsky's research has significantly contributed to understanding periodical cicadas and apiculture.
A recent study by IU biologist Irene Newton found that genetically diverse honey bee colonies have fewer pathogens and more beneficial bacteria. The research also identified four important microbes associated with fermentation in humans and other animals.
A new study found that genetically diverse honey bee populations produce healthier colonies with a greater variety of active bacterial species, including beneficial probiotics and helpful microbes. This diversity is linked to improved nutrition and reduced loads of pathogenic bacteria.
A study by University of Illinois professor Gene Robinson found that honey bees differ in their desire to perform tasks, with certain individuals more likely to seek adventure. The research suggests that these differences may be due to variability in personalities.
A study reveals that heavy metal pollution from smelters causes a decline in wild bee communities, with up to 50% of dead bees found in heavily contaminated sites. The findings highlight the need for careful restoration of polluted areas to protect these vital pollinators.
Viewers consider advertising more favorable after watching a close, exciting game, according to a study by Oregon State University. The level of suspense in both the game and ad was found to be the most important factor in increasing positive responses towards the ad and brand.
Researchers at Purdue University have found a link between honeybee deaths and exposure to neonicotinoid insecticides used on corn and soybean seeds. High levels of these pesticides were detected in talc waste, soil, and pollen collected by bees, suggesting that they may be contributing to bee deaths.
A new study by NHM entomologist Dr. Brian Brown and others reveals the tiny but deadly phorid fly poses a significant threat to North American beekeeping. The research sheds light on hive abandonment behaviors seen in Colony Collapse Disorder, potentially providing a partial explanation for these catastrophic losses.
Researchers at San Francisco State University have discovered a fly parasite in honey bee hives, which may help explain the mysterious phenomenon of colony collapse disorder. The parasite, found only in California and South Dakota, causes bees to abandon their hives and behave 'zombie-like'.
Research by Cornell University and Rutgers University found that bees and flowering plants are keeping pace with climate change, arriving earlier in the spring. This shift has been observed since 1970, when warming temperatures accelerated most rapidly, according to the study published in Proceedings of the National Academy of Sciences.
Researchers found that swarms of bees can inhibit rival nest sites through a 'stop signal' behavior, preventing indecision and promoting efficient nesting choices. This behavior is similar to how humans make decisions, with individual bees targeting their stop signals only at rivals within the colony.
A new study reveals that bee swarms use inhibitory 'stop signals' to inhibit competing sites and choose the best option, similar to how neurons in human brains make decisions. This mechanism helps avoid costly dithering and ensures a single site is chosen.
Honey bee swarms face a decision when finding multiple potential nest sites, using stop signals similar to those in primate brains to shorten dances and end the recruitment process. This cross inhibition helps ensure a single optimal site is chosen, avoiding deadlocks between equal-quality alternatives.
A study by Norwegian University of Life Sciences reveals that more vitellogenin in bees leads to better health and longer life. The protein guides social tasks, supports immune function, and is an antioxidant that promotes stress resistance.
A new model explains the emergence of complex insect societies by positing that workers' selfish interests drive colony formation. This hypothesis suggests that at the early stages of social evolution, workers and queens act primarily in their own self-interest, rather than altruistically helping relatives.
A team of scientists at Arizona State University has made new discoveries about the role of insulin pathways and partner proteins in determining a honey bee's caste fate. They found that blocking certain proteins can force larvae to develop into workers, but also allowed them to develop into queens by providing hormone treatments.
Researchers discovered that a widely used bee antibiotic increases susceptibility to pesticides, contributing to colony collapse disorder. The study suggests that oxytetracycline interacts with specific proteins in the bees, rendering them more vulnerable to toxic chemicals.
A new study found that the evolutionary shaping of floral scents in oil-secreting orchids is more closely tied to their genetic history than to natural selection driven by specific pollinators. Researchers discovered that scent profiles fell along phylogenetic lines, even when different bee species were involved.
Scientists have discovered two new, closely related bee species on Coiba Island in Panama, which originated from a group of stingless bees that moved into Central America. The presence of one of these new species on the island raises questions about Panama's geological history and biodiversity.
The Entomological Foundation recognizes outstanding contributions to integrated pest management, including the ECB Team Award for areawide suppression of the European Corn Borer. The foundation also awards research grants to postdoctoral scientists working on pest insects, such as Christelle Guédot.
A study by MIT researchers found that bees and similar nectar feeders are most efficient when feeding on more sugary, or viscous, nectar, while suction feeders prefer less sugary nectar. This suggests a correlation between the morphology of flowers and their pollinators.
Scientists investigate whether diesel nanoparticles are affecting bees' brains, causing them to lose their way back to the hive. The study aims to understand how tiny particles in diesel fumes could be contributing to bee colony collapse, which has economic and ecological implications for global pollination.
Scientists have made new discoveries about the biological makings of queen bees and worker bees, finding major differences in protein activity during early stages of life. These findings suggest that proteins with metabolic enhancing activities play significant roles in caste determination.
Researchers found that bumblebees significantly reduced flight distances by learning and memorizing individual flower locations, prioritizing the shortest route. This innovative approach demonstrates that bees can solve complex routing problems without a sophisticated cognitive representation of space.
Bumble bees, like honey bees, are important pollinators of native plants. Entomologist James Strange is studying a generalist named Bombus huntii that could be used in greenhouses in the western United States as a replacement for declining B. occidentalis populations.
Researchers have identified three cytochrome P450s in honey bee midguts that detoxify tau-fluvalinate and coumaphos, potentially allowing bees to coexist with these pesticides. This discovery may lead to the development of less toxic mite control methods.
Research reveals bumblebees use a trade-off strategy to visit high-reward flowers while minimizing travel distance. As they gain experience, individual bees balance both factors to optimize their routes.
A new study shows that globally, animal-pollinated crops contain a majority of dietary lipids, vitamins A, C, and E, and minerals like calcium and iron. Without pollinators, up to 40% of essential nutrients could be lost.
A USGS study found that native bee communities are shaped by local factors, such as soil type, tree density, and fire frequency, rather than the composition of a plant community. Specialist bees tend to live in open areas with native plants, particularly in disturbed habitats like burned areas and residential zones.
A new study published in Psychological Science concludes that female bosses who exhibit 'queen bee' behavior are not inherently nasty, but rather a response to a difficult, male-dominated work environment. The study found that only women with strong gender identities at work resist helping other women rise through the ranks.
Researchers tracked 27 unique viruses affecting honey bees, including four unknown strains and six species of bacteria and fungi. The study provides a baseline measurement of pathogens in healthy hives, shedding light on the causes of colony collapse.
Researchers found that stressed bees display pessimistic judgment, expecting bitter tastes in unfamiliar scents, mirroring human-like cognitive bias. This study suggests that bees can be used as models for emotion research in invertebrates, potentially reducing animal welfare concerns.
The 2010/2011 winter survey found total losses of 30% from managed honey bee colonies nationwide. Beekeepers reported an average loss of 38.4%, with 61% experiencing losses greater than economically acceptable levels.
The Bee Informed Partnership aims to reduce honey bee mortality, increase profitability, and enhance sustainable management systems. The project will use epidemiological methods to identify effective practices and create a dynamic Honey Bee Health database with an interactive web-based interface.
A €3.5M European Commission-funded project is working to understand the causes of pollinator declines and develop ways to manage landscapes for wild bee conservation. The STEP project aims to safeguard pollinators providing essential services to crops and wildflowers.
Researchers analyzed genes from nine bee species, revealing unique genetic changes associated with eusociality in highly and primitively eusocial bees. These findings suggest that the evolution of eusociality is an independent process, shaped by distinct genetic signatures.
Researchers challenge Inclusive Fitness Theory, citing flawed assumptions and misrepresentation of data. The debate highlights the importance of rigorous scholarship in scientific inquiry.