Articles tagged with Bees
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May Berenbaum, an expert on bees and pollinators, receives the 2011 Tyler Prize for her groundbreaking research on declining bee populations. She has also made significant contributions to public understanding of science through her writing and advocacy.
Ecologists have developed a new method for rearing honey bee larvae in the laboratory, allowing researchers to study the causes of their decline more effectively. The technique, which uses an artificial plastic honeycomb, has shown high survival rates and improved data analysis capabilities.
Scientists have created a comprehensive framework for understanding fly evolution, revealing surprising relationships between species. The study provides new insights into the origins and diversification of flies, which comprise over 10% of all life on Earth.
Researchers develop an algorithm based on honey bee behavior to solve the four-color theorem, which proves that maps can be colored with only four colors. This method uses less computational power than existing algorithms and applies to engineering and mathematical problems beyond map coloring.
A new study by Oregon State University researchers found that applying a naturally occurring pheromone to honey bee test colonies increased colony growth and led to healthier hives. The optimal dose of brood pheromone stimulates foragers to collect more pollen, supporting better nutrition within the colony.
The genome sequences of four ants - red harvester ant, Argentine ant, fire ant, and leaf-cutter ant - have been published in coordinated releases. The international collaborative effort sped up the advancement of these genome projects, providing insights into social behavior and pest management.
Researchers found that closely-related generalist bees differ in their ability to develop on the same pollen diet, suggesting physiological adaptations. The study suggests that pollen chemistry plays a crucial role in constraining pollen loss to bees, with some plants using chemical defenses to protect their pollen.
Researchers discovered that orchids' adaptability to different pollinators and fungi allows them to coexist without competing for resources. The study found that shifts in pollination traits were crucial for speciation, while shifts in fungal partners contributed to coexistence.
A large-scale study has found major declines in US bumble bee populations, with four species experiencing a 96% drop in relative abundance and a 23-87% loss of geographic range. The researchers attributed the decline to low genetic diversity, high infection rates with the parasite pathogen, and climate change.
Native pollinators such as wild bees and wasps infected with RNA viruses, transmitted via pollen. Viral diseases may impact pollinator populations and ecosystem health.
Researchers at Newcastle University found that honeybees can avoid toxic nectar through taste and learning, suggesting a potential factor in colony health under stress. The study highlights the importance of understanding how bees detect and avoid toxins to breed non-toxic plants.
Research at the University of Texas at Austin shows that sleep-deprived honey bees experience communication problems, advertising food sites less precisely to their fellow bees. This impairment in precision could lead to a less competitive colony and reduced efficiency in locating food.
Bees perceive the world differently than humans, with variations in hue that are invisible to us. The Floral Reflectance Database (FReD) provides data on flower colours as seen by bees, addressing existing gaps in records.
Researchers find that methyl labels determine a bee's fate from food intake, influencing gene expression and potentially linked to human cancer. They identified 550 genes with differences between queens and workers, offering insights into epigenetic regulation.
Researchers found that environmental inputs can modify bees' genetic hardware through DNA methylation, leading to distinct behaviors. The study, published in PLOS Biology, sheds light on the nature-nurture debate and highlights the importance of diet in shaping behavior.
A vast amber deposit from western India has revealed a new light on the history of the sub-continent, challenging the assumption that India was an isolated island-continent. The discovery indicates that tropical forests are older than previously thought and have close evolutionary relationships with fossils from other continents.
Researchers at Arizona State University found that aging bees impair their ability to extinguish memories of unsuitable nest sites. Despite poor learning in the lab, a few old bees still perform well in recalling suitable homes.
A study by Hebrew University researcher Prof. Guy Bloch found that honeybees can alter their biological clocks in response to changes in their social role, enabling them to make a 'quick switch' in their daily routines. This flexibility is striking, as humans and most other animals struggle with drastic schedule changes.
A Texas Tech University biologist has identified a possible cause of the sudden death of bee colonies across North America: a combination of an insect virus and a fungus. The researchers' study published in PLOS ONE found an association between the two pathogens and high mortality rates among bees.
A 17-year study in the Rocky Mountains of Colorado confirms widespread fears of a decline in bee pollination, with a progressive decrease in fruiting rates observed over the years. The research suggests that climate change may be a contributing factor, particularly during early seasons when bees emerge from hibernation.
A York University doctoral student has identified 19 new species of sweat bees in Canada, including one found in downtown Toronto. The study provides valuable insights into bee diversity and the evolution of social behavior in insects.
Researchers found that altering a honey bee's perception of distance alters its brain gene expression, particularly in the optic lobes and mushroom bodies. This study provides new insights into how bees process spatial information and communicate through dance language.
A study by Monash University researchers reveals that bees use a 'hot' drink to warm up on cold days and a 'cool' drink in warmer weather. The bees preferred feeding from artificial flowers with warmer nectar, which helped them maintain an optimal body temperature for flight.
Researchers created an artificial bee eye with a fully functional camera, achieving a comparable field of vision to bees. This system could inspire the development of mobile robots and small flying vehicles with enhanced navigation capabilities.
The USDA research found that bee pastures can support the growth of healthy young bees by up to fivefold a year. The pastures feature native California plants such as Chinese houses and lacy phacelia, providing a practical and environmentally friendly way to promote pollinator populations.
A $1.5 million NSF grant will consolidate data from 10 natural history bee collections across the US, including Cornell's 250,000-specimen collection. This effort aims to establish conservation status and predict risks to bee pollination services from climate change and habitat loss.
A University of Michigan biologist and a colleague at the University of California, Berkeley, found that shade-grown coffee farms support native bees that pollinate native trees and enhance genetic diversity. The study suggests that these bees play a crucial role in maintaining biodiversity in tropical regions.
Researchers at Arizona State University have discovered that the insulin signaling pathway is crucial for caste development in honeybees. By manipulating this pathway, scientists can determine whether a larva will become a worker or queen bee. This study provides valuable insights into human biology and aging, as well as the importance...
Researchers identified defensin-1 protein in honey as a potent antibacterial agent, showing promise in treating burns, skin infections, and combating antibiotic-resistant infections. The discovery sheds light on the inner workings of honey bee immune systems, potentially leading to healthier bees.
A collaborative project is digitizing and consolidating nearly one million specimen records from ten bee collections across the US to create a centralized database. The project aims to understand native bees' roles in agricultural and natural systems and predict risks to bees due to climate change and habitat loss.
Researchers tracked bumblebee movements in Arctic conditions, finding that bees work a day shift and retire before midnight. The study suggests that bees may have an internal sense of time based on light intensity or temperature changes.
Scientists tracked 17 iridescent orchid bees using radio transmitters, finding that males spent most of their time in small core areas but could visit farther afield. These long-distance movements help explain why some orchids are rare despite being pollinated by these bees.
Researchers found that bumblebee populations with similar colors in the same environment did not have higher loss rates to predators. Instead, birds likely avoid all animals resembling a bumblebee to avoid the sting.
Researchers tracked orchid bees using tiny radio transmitters, revealing they travel surprisingly long distances through sparse tropical forest patches. The study opens doors to future research on temperate forests and highlights the importance of preserving plant pollination.
Scientists have identified a synergistic relationship between a fungal pathogen and RNA viruses from the family Dicistroviridae as contributing factors to Colony Collapse Disorder. The presence of these pathogens in sick colonies is a strong predictor of collapse, with higher levels of the fungus compromising gut wall integrity.
Researchers discovered a rare species of solitary bee that lines its underground nests with petals from various flowers. This unique behavior provides essential nutrients for the larvae's growth and protects them from the harsh winter conditions.
A recent survey found that managed honey bee colonies nationwide experienced a 33.8% loss rate from October 2009 to April 2010, with starvation, poor weather, and weak colonies being the top reasons for mortality. The continued high losses pose an economic challenge for commercial beekeepers.
Researchers found that paper wasps and honey bees rely on the same network of genes to guide their social behavior, including division of labor and brain activity. The study identified over 4,900 genes active in the wasp brain, confirming a genetic toolkit shared by both species.
Researchers developed a novel hybrid of two orchid species, creating a unique scent that attracted a distinct wild bee. The offspring's floral odor was highly attractive to solitary bees unfamiliar with the parent plants' scent.
Researchers found that bees with artificially reduced insulin receptor substrate (IRS) in abdominal fat cells preferred pollen over nectar. This suggests an alternative mechanism for insulin's impact on eating behavior beyond the brain.
Researchers found that social bee queens have a more developed mushroom body, associated with learning and memory, despite not having bigger brains overall. This suggests that social interactions are cognitively challenging for these bees, as predicted by the social brain hypothesis.
Scientists at the Phyletic Museum of Jena University are using MicroCT imaging to analyze insect genital morphology. The research aims to shed light on the key-lock principle, which explains how male and female reproductive organs fit together, and instead reveals that it's a result of sexual selection.
The buff-tailed bumblebee's unique behavior allows it to collect nectar from exotic winter-flowering plants like strawberry trees and Mahonia, raising an extra generation of workers.
A biologist at UC San Diego discovered a 'stop' signal in honey bee communication that warns nest mates about dangers. The signal reduces recruitment to dangerous food patches and is an example of negative feedback in superorganisms.
Researchers found that bees can learn to recognize the arrangement of human facial features on a face, but not individual humans. The insects use this strategy to distinguish between face-like and non-face patterns.
Researchers discovered bees use their antennae to estimate surface slope, allowing them to orient correctly and land on surfaces ranging from horizontal to ceilings. By slowing down in the final moments before touchdown, bees control their approach and optimize landing speed.
Researchers at Michigan State University have discovered proteins that can channel sodium ions through the cell membranes of Varroa mites, a parasite that devastates commercial bee colonies. This breakthrough could lead to more effective controls and reduce the need for toxic pesticides.
Researchers discovered that high-fructose corn syrup can form a potentially harmful substance called hydroxymethylfurfural (HMF) when heated. HMF levels increase steadily with rising temperatures, posing a threat to honey bee health and human consumption of HFCS products.
The NSF's Expeditions in Computing program supports research that promises significant advances in computing while yielding great benefit to society. The new projects focus on energy-efficient computers, customizable domain-specific computing, and robotic 'bees' for search and rescue operations.
Africanized bee invasion of Mexico's Yucatan led to a shift in pollination patterns, with native bees benefiting from increased availability of certain plant species. However, native populations in less diverse areas may be more vulnerable to invasions.
Scientists have received £1 million to research the decline of honeybees, focusing on how bees' behavior outside the hive interacts with factors affecting their health. The project aims to build a model that can predict bee responses to diseases in changing farmed landscapes.
A £1 million research project will investigate the decline of honeybees, exploring how disease and food supply affect bee survival in farmed landscapes. The team aims to build a predictive model to improve honeybee health and mitigate the impact on food security.
Research discovered a conflict between worker bees and the queen, with some workers reproducing and living up to three times longer than non-reproducing workers. This leads to a 'reproductive class war' where individual benefits come at the cost of the colony.
A genomic study has identified a plausible cause of colony collapse disorder in honey bees. The research found that the loss of ribosomal function, caused by viral infections and other stressors, contributes to the mysterious disappearance of American honey bees.
A new study by University of Illinois researchers reveals that environmental factors can alter aggression levels in honey bees. By analyzing gene expression patterns in response to alarm pheromone, the team found similarities between short-term and long-term changes, suggesting a connection between nurture and nature.
Researchers discovered higher levels of pathogens and co-infections in honeybees from collapsing colonies, but no single pathogen can be identified as the cause. The study suggests that CCD may be contagious or caused by exposure to a common risk factor impairing bee immune systems.
Researchers found that foraging honey bees experience decline in associative learning with increasing age, but nurse bees remain unaffected. By switching tasks, foragers' learning performance improves, demonstrating remarkable plasticity in brain circuits.
Researchers have discovered that calcium modulation affects long-term memory specifically while leaving learning and short-term memory intact. The study found that increased calcium levels during learning led to stronger responses to olfactory stimuli associated with food, indicating improved memory performance.
Agricultural Research Service scientists have sequenced the genome of a parasite that can kill honey bees, providing new insights into colony collapse disorder. The microsporidian parasite produces spores that bees consume when foraging, leading to infection and colony loss.
New research shows bees extend hind legs for stability in windy conditions, increasing drag and aerodynamic power by 30%. This behavior is likely seen across Hymenoptera, affecting many flying insects.