Articles tagged with Bees
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Researchers found that honey bees can fly in temperatures ranging from 77 to 104 degrees Fahrenheit without overheating, by lowering their wingbeat frequency and increasing stroke amplitude. This adaptation helps the bees conserve water and improve their heat tolerance.
Researchers found that artepillin C interacts intensely with tumor cells, altering their fluidity and triggering autophagy. The study's results contribute to a deeper understanding of the substance's action mechanisms and provide insights for future research.
A spatial model predicts pesticide exposure in bumblebees, explaining nearly 75% of the spatial variation. The model uses data on pesticide application and crop characteristics, but not flower attractiveness or chemical persistence.
Researchers have discovered that bees produce multiple acids that provide essential nutrients to native gut microbes, such as Snodgrassella alvi. This finding suggests that the bee directly enables bacterial colonization by furnishing necessary nutrients, highlighting the intricate metabolic synergy between bees and their gut microbiota.
Researchers found that pesticide-adjuvant combinations used in almond orchards can interfere with honey bee communication. The study suggests that these chemicals can alter the antennal responses to brood and alarm pheromones, potentially disrupting colony function.
Researchers found that 195 of 328 bee species collected in Wake County between 1900-2018 were not seen since 1969, likely due to underground nesting habits. Urbanization, climate change, and limited detection methods may be contributing factors.
A fungus-based biopesticide is less lethal to mammals than synthetic insecticides but can wipe out colonies of wasps that benefit plants by feeding on pests and performing pollination. The study found that infected wasps are not detected by nestmates, potentially threatening the survival of these species.
In parts of Africa, humans communicate with greater honeyguides to locate bee colonies, sharing knowledge about the location of nests. The bird benefits by eating leftover honeycomb, while people gain access to honey and beeswax. Researchers found that honeyguides learn distinct vocal signals used by different honey-hunting communities.
Researchers investigated how urbanization affects interactions between plants and pollinators in a tropical city. They found that seasonal changes play a crucial role in shaping these interactions, leading to significant changes in plant-pollinator networks.
A new European study confirms pesticides harm bumblebees, contradicting current regulations. The research, published in Nature, shows that pesticide use reduces colony production and queen numbers, highlighting the need for more effective pollinator protection.
Researchers found that honeybees' cluster behavior is a survival strategy against cold temperatures, not insulation. The study suggests that beekeepers should reconsider their hives' design and materials to reduce heat loss.
A new study from the University of Oxford found that bumblebees cannot taste pesticides in nectar, even at lethal concentrations. Bees rely on taste to avoid contaminated nectar, which poses a significant threat to their survival.
Researchers discovered a less deadly strain of deformed wing virus in wild honey bees from a US forest. The finding suggests the virus can evolve to be milder and could inform strategies to prevent or treat DWV in managed honey bee colonies.
A study by Cornell University found pesticides, herbicides, and fungicides in managed honeybee hives in New York, posing a risk to bee health and the environment. The chemicals, including acaricides and neonics, were detected in nearly all samples, highlighting the need for better protection of pollinators.
The BeeBCD project brings together over 18 million bee occurrence records to improve accuracy and accessibility of species data worldwide. This consolidated dataset will support future plant and crop production, as well as scientific communications, and inspire more reporting from under-reported regions such as Asia and Africa.
Two bee species thought to be distinct are found to be the same, males and females of a single species, using DNA sequencing. The study uses barcoding to identify the species, which is crucial for understanding conservation needs.
Researchers found that bumblebees choose nectar sources based on their rate of energy return, not just energetic efficiency. This approach allows them to maximize their immediate benefit to the colony, even if it means working harder.
A new study found that bumblebees maximize nectar sugar collection per minute to provide an immediate energy boost for the colony. By trading off time and energy, they choose hard-to-access nectar sources with high sugar content.
A new study by Penn State researchers found that honey bees display true altruism, where worker bees help the queen and eggs without reproducing themselves. The genes responsible for this behavior can be passed down from either mother or father bees, but only result in altruistic behavior when inherited from the mother.
Researchers found that honey bee drones exhibit synchronized hyperactivity periods, coinciding with their flight periods, and adapt their behavior to reduce energy consumption. This study reveals the complexity of drone behavior in the hive.
A new study reveals that bumblebees can effectively fend off Asian hornets by dropping to the ground, a strategy that has not been observed in other pollinators. However, despite this successful defense mechanism, bumblebee colonies still experience reduced growth rates in areas with high numbers of Asian hornets.
Research found honeybees choose certain plants based on nutritional needs, selecting a fraction of available options to fulfill their requirements. This knowledge is crucial for ensuring food security and availability of suitable flowers throughout the summer.
A study published in PLOS Biology identifies key genetic loci that distinguish Penstemon species with flowers adapted to different pollinators. The research reveals surprisingly few genetic differences between species with different pollination syndromes, suggesting strong selection to maintain flower traits.
New research reveals that the Deformed wing virus DWV-A originated in Asia, contradicting previous European origins. The study found that Varroa mites transmitted the virus to European honey bees after their introduction to Asia, leading to widespread infections and colony declines.
The study reveals that different bee species may be exposed to pesticides differently, complicating assessments of pesticide risk. Neonicotinoid detection increased with wild plant presence in bumble bee pollen, highlighting the need for further investigation.
Researchers found that pollination by both honey bees and mason bees increases sweet cherry production, with a synergy effect observed in orchards using both species. Growers can attract mason bees to their orchards by providing nest material, such as bamboo sticks, to enhance cross-pollination.
York University researchers found that maternal care significantly impacts the development, microbiome, and health of wild carpenter bees. Without proper care, pathogen loads increase, leading to reduced microbiomes, increased disease susceptibility, and poor overall health.
Researchers discovered 'mummified' bees in their brood cells, preserving them for 3,000 years due to exceptional conservation. The bees' cause of death remains unknown but is linked to oxygen shortages and changing temperatures in southwest Portugal.
The B-GOOD project will introduce its achievements in improving honey bee health and beekeeping sustainability through an oral presentation, poster sessions, and online participation. The event aims to gather consortium members and external advisors to share knowledge and exchange ideas.
A new study found that ozone substantially changes floral odour plumes, reducing honeybees' ability to recognise odours by up to 90%. This degradation affects pollinators' crucial role in the natural environment, with implications for food security and biodiversity.
Researchers found that over 80% of honey bees sampled were positive for antimicrobial resistance targets, highlighting the need to monitor pollutants and implement clean-ups. The study also suggests that local waterbodies are a critical source of contamination, particularly in densely populated areas.
A new study has discovered hundreds of mummified bees from the time of Pharaoh Siamun, which have provided valuable insights into the decline of bee populations. The bees were found in a fossilized state on the southwest coast of Portugal and preserved the smallest anatomical details, including sex and pollen supply.
A global research team found that extreme heat exposure and prior infection from a protozoan pathogen can severely negatively impact solitary bees' thermal physiology and behavior. The study showed that healthy bees can tolerate high temperatures, but infected ones are less tolerant, affecting their ability to forage and pollinate crops.
The study warns that Asia's pollinators, including native bees and bumble bees, are under threat due to major habitat loss and human forces. The authors call for conservation efforts to curb declines and prioritize habitat restoration and trans-border partnerships.
A new study reveals significant gaps in knowledge of Asian bee species, highlighting the need for more resources to build basic scientific knowledge of bee biodiversity. This knowledge is crucial for managing and maintaining bee diversity, pollination, and food security in Asia.
A new study reveals that bees evolved on the ancient supercontinent of Gondwana over 120 million years ago. The researchers sequenced and compared genes from more than 200 bee species, finding evidence of a parallel partnership between bees and flowering plants.
Researchers found that bees and wasps, independently of each other, invented the same architectural tricks to solve the problem of tiling two differently-sized hexagons within a single sheet of comb. These insects use identical non-hexagonal cells, mostly 5- and 7-sided, in pairs to build these structures.
Researchers analyzed photographs of honeybee and wasp nests containing over 22,000 cells. They found that both species used similar building techniques at the transition between small and large cells, including the construction of intermediate-sized hexagonal cells and pairs of pentagonal and heptagonal cells.
A new study analyzed existing research on bee-protective measures and found that many common methods are backed by minimal scientific evidence. Researchers urge stronger testing to evaluate effective measures and warn of potential waste of time if ineffective.
The Insects journal is inviting research articles and reviews on sustainable beekeeping solutions, including health monitoring, socio-economics, and pest control. The Special Issue will focus on evidence-based strategies to combat poor colony health and promote bee sustainability.
Researchers discovered that honey bees make rapid and accurate decisions by balancing effort, risk, and reward. By studying the bees' brain structure, they created a computer model that replicated their decision-making process, showcasing how simple brains can be efficient.
A new study found that warmer springs are causing British bees to emerge from hibernation 6.5 days earlier due to climate change, potentially disrupting the timing of plant flowering. This could lead to reduced pollination and increased costs for farmers using managed honeybees.
The study reveals five distinct brain types, each suited for its purpose, from a jellyfish's diffuse neural network to the human brain's reflective capabilities. Researchers suggest that autonomous machines can learn from coordination in bees, rapid thinking in birds, and single-mindedness in worms.
Researchers found that ahiflower oil supplementation can recover mitochondrial respiration rates in honey bees exposed to imidacloprid, a common neonicotinoid pesticide. This study suggests the potential for food supplements to decrease honey bee mortalities caused by pesticides.
A novel therapy boosting honey bees' immune systems has shown significant success in reducing virus activity and improving colony survival. The treatment uses a compound called pinacidil to increase free radicals, signaling the immune system to fight off viruses.
Researchers found no conclusive evidence of bird-honey badger cooperation in accessing honey from African bees' nests. Despite anecdotal reports, most communities surveyed denied seeing the two species interact, with only three communities in Tanzania reporting sightings.
A study by US Department of Agriculture scientists found that honey bees are more faithful to their flower patches than bumble bees. Honey bees returned to 76% of the same alfalfa flowers, while bumble bees visited only 47%. The difference may be due to honey bees' communication system and risk aversion.
Research from University of California San Diego scientists found that honey bee pollination results in inferior quality plant offspring compared to native bees. The study revealed that honey bees visit twice as many flowers per plant before moving to the next, leading to higher levels of self-pollination and lower-quality offspring.
The new exhibition at the National Museum of Natural History in Sofia focuses on the importance of pollinators and the threats they face. Key research projects like B-GOOD, PoshBee, and Safeguard are showcased to promote conservation efforts.
A global analysis of pollinator decline in cities reveals that butterflies are most affected, with shrinking habitats and food availability causing populations to drop. Meanwhile, certain groups of wild bees, such as those nesting above ground, remain less impacted by urbanization.
Researchers discovered that honey bees can adapt their nest structures to compensate for disruptions, prioritizing structural connectedness. This adaptation enhances thermoregulation efficiency, improves larvae development, and optimizes travel distances within the nest.
Researchers at the University of Bristol found that human influences can reduce bee communication effectiveness, adding stress to struggling colonies. The study analyzed habitat differences, social lifestyle, and nesting habits to explain variation in communication strategies among bees.
Researchers discovered that air quality monitoring stations worldwide are collecting eDNA, providing a treasure trove of biodiversity data. This could solve the global problem of tracking biodiversity at massive scales, with thousands of locations and decades of historic data.
A new study suggests that moths are visiting just as many plants as bees and play a crucial role in supporting urban plant communities. However, their more complex life cycle and specific plant requirements make them less resilient to urbanization pressure.
A new study explores the genetic mechanisms underlying honey bee colony defense and aggression, revealing that gene regulation influences collective behavior and division of labor. Researchers found that brain gene regulatory networks differ between soldiers and foragers, particularly in more aggressive colonies.
A recent study refutes the long-held notion that bilateral symmetry in flowers enhances pollination accuracy by animals. The research found that the stabilization of animal flower entry is largely due to the horizontal orientation, rather than floral symmetry.
Washington State University researchers developed a robotic bee that can fly fully in all directions, including twisting motion. The Bee++ prototype achieves six degrees of free movement and is controlled by an artificial brain that acts like an insect's brain.
A new study has identified the preferred flower species of Midwest bumble bees, revealing that these social bees have more discerning dietary preferences than expected. The research found that common flower species like milkweed and thistles are favored by bumble bees, while others, such as alsike clover and black-eyed Susan, are ignored.
A new study from North Carolina State University reveals that carrying pollen increases the body temperature of bumble bees, potentially putting them at risk due to rising environmental temperatures. The research has significant implications for bumble bee populations and ecosystems, particularly in areas experiencing climate change.
Researchers at York University found more pathogens and parasites in urban bee populations, leading to inbreeding and reduced genetic diversity. Conservation efforts focused on green spaces and habitat connectors can help mitigate these effects.