Articles tagged with Pheromones
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Researchers have discovered a synthetic peptide that attracts Crown-of-Thorns Starfish at low concentrations and with no toxicity, offering an efficient pest-management solution. This breakthrough may lead to the development of potent attractins to control CoTS outbreaks, protecting coral reefs from devastating damage.
A study by the University of Konstanz found that individual bees within a colony exhibit different stinging behaviors, with some defending and others remaining calm. Social factors play a role, but personality is a key factor in determining group dynamics.
Researchers found the UBeeO test can identify colonies resistant to several pests and pathogens that can decimate bee populations. The test mimics the pheromones emitted by sick or dying bees, allowing for a more selective and realistic assessment of hygienic behavior in honey bees.
A study found that alcohol consumption boosts the production of sex pheromones in male fruit flies, increasing their attractiveness to females and mating success. This effect is mediated by three neural circuits that balance attraction and aversion to avoid intoxication.
Scientists investigated the role of ancient VR type-1 (ancV1R) receptor in pheromone detection using knockout mice. The study found that ancV1R-deficient female mice had impaired pheromone detection and exhibited abnormal sexual behavior.
A team of FSU researchers created the first model that explains the phenomenon of trail formation to multiple food sources. The model reveals that ants will leave pheromone trails connecting their colony to multiple food sources when they're available, creating an equilibrium where equidistant food sources maintain multiple trails.
Researchers found that silkworm moths scan pheromone sources by rotating their bodies while fanning, helping them detect odor plumes. The study offers valuable design principles for aerial robots, enabling more efficient search and localization of targets.
Researchers discovered a pheromone receptor that controls parenting behavior in African cichlid fish. The study found that males with a specific genetic mutation picked up eggs in their mouths, taking on the role of 'mouthbrooding' dads.
Researchers found that elevated ozone levels remove mating barriers between different fly species, leading to increased hybridization and sterile offspring. The study used four species of Drosophila and found that ozone concentrations often measured on hot days can cause flies to mate with closely related species.
Researchers at INRAE discovered that female sex pheromones can remotely modulate the circadian rhythm of males in the African cotton moth, Spodoptera littoralis. This finding paves the way for exploring biocontrol methods targeting the pest.
Scientists have discovered the specific enzyme responsible for producing a pheromone attractant in a deadly sandfly species. This breakthrough could lead to the development of commercial traps to control the spread of Leishmaniasis, a disease that causes skin ulcers and can be fatal if left untreated.
Researchers discovered that male large black chafer beetles have a 48-hour circadian clock to detect female pheromones, synchronized with females' mating behavior. The study sheds light on the biological mechanism behind this unusual cycle, leaving experts wondering about the underlying cues that govern natural rhythms.
Research found that female silkmoth long sensilla recognize silkworm feces as a deterrent, helping females avoid mulberry trees with high silkworm populations. In contrast, male silkmoths have specialized antennae to detect female sex pheromones, but no clear male counterpart has been identified.
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 have discovered that the waxy protective barrier around plants plays a role in sending chemical signals to other plants and insects. This discovery might eventually be harnessed to develop stronger plants that can deal with challenging environmental conditions.
Researchers found that exposure to the aggregation pheromone 4,8-dimethyldecanal reduces death-feigning duration in red flour beetles, allowing them to save time and increase survival chances. Sex-related differences in death feigning behavior were also observed, with males exhibiting longer durations.
Researchers at North Carolina State University identified a specific blend of pheromone chemicals used by male moths during courtship, including an aphrodisiac called methyl salicylate. Female moths can recognize this chemical through two smell receptors, and its presence in males' hairpencils is linked to mating success.
Researchers identified a precise mix of ingredients in male moths' pheromones that increases mating chances. The discovery reveals the role of plant-derived substances, such as methyl salicylate, in attracting females.
A new AI tool, MAFDA, tracks individual fruit flies' complex behaviors and compares them with their genetic backgrounds. This enables researchers to study behavior genetics and gain insights into inherited traits.
Scientists at the University of Tokyo have discovered a pheromone that reduces fear in rats, which could lead to more humane methods of pest control. The researchers found that this pheromone, 2-methylbutyric acid, can calm both lab and wild rats, reducing their fear responses.
A study published in Cell Press reveals that ants have a dedicated brain region that processes alarm pheromones, triggering panic responses and colony-wide behavior changes. Researchers used GCaMP to scan the brain activity of clonal raider ants exposed to danger signals, finding a specific section lit up in response.
Scientists have discovered an ancestral olfactory receptor in the Egyptian cotton leafworm that recognizes the female sex pheromone blend. This finding may lead to the development of new biocontrol methods by targeting specific receptors and blocking pheromone activation.
A new study found that selective serotonin reuptake inhibitors (SSRIs) improved the quality of aging females' egg cells in roundworms by reducing embryonic death and chromosomal abnormalities. Replication in fruit flies confirmed the findings, suggesting a shared signaling system between species.
Researchers discovered a chemical defense mechanism in migratory locusts that deters cannibalism, reducing the formation of destructive swarms. The pheromone PAN protects individuals from being eaten by other locusts when population density increases.
Researchers discovered that ambrosia beetles Xylosandrus germanus use the volatile compounds of their fungal symbionts to aggregate and potentially kill trees. This finding suggests a new method for biological control by targeting specific beetle species with trapping lures based on these compounds.
Researchers at North Carolina State University found that adding nonanal, a chemical used in perfumes, to a pheromone blend increases its effectiveness in mimicking female fall armyworm calls. The discovery could help farmers detect and control fall armyworm populations more effectively.
Ozone exposure destroys pheromones essential for fly mating, leading to abnormal behavior and reduced female attraction. The study's findings highlight the devastating impact of air pollution on insect populations.
Researchers at the University of Bern discovered that geckos can detect and distinguish their own skin chemicals from those of other geckos, revealing a new level of social complexity in these animals. This finding suggests that geckos are more intelligent than previously thought, using pheromones for communication and self-recognition.
Scientists from Poland's Institute of Physical Chemistry have discovered a way to control the population of the pine-tree lappet moth, which threatens coniferous forests. A new pheromone blend based on biocomponents of the sex pheromone has been developed to monitor and potentially control the moth's abundance.
Male giraffes test female sexual receptivity by nudging them to urinate, then inhaling their scent with flehmen. This behavior is crucial for mating and understanding giraffe anatomy supports it.
Researchers discovered a single protein called Gr8a that plays an inhibitory role in mating decision-making, helping flies avoid inter-breeding with the wrong partner. The findings provide insight into how signal production and perception are tied together, shedding light on pheromone communication.
A study reveals female false widow spiders disseminate pheromones through their webs, adjusting the pH level of silk to lure males and deposit courtship-inducing pheromone components. This sophisticated method involves slowly breaking down pheromone components to attract males.
Researchers at Nagoya University identified the pheromone PGE2 involved in puffer fish spawning behavior, which is synchronized with the lunar cycle. The study found that applying PGE2 to puffer fish triggers their characteristic writhing motion during spawning.
UC Riverside scientists are working with Jocelyn Millar to find the avocados weevil pheromone, which could be used to monitor pests and prevent them from mating in orchards. The goal is to reduce damage to fruit and enable growers to use less insecticides.
Researchers found that male pheromones slowed down the aging of female roundworm eggs, resulting in healthier offspring. This finding could lead to pharmacological interventions improving human egg cell quality and delaying reproductive aging. The study used C. elegans as a model organism.
Scientists have identified three active compounds in sex pheromones of the world's largest hornet, Vespa mandarinia, to attract males and control its reproduction. The discovery could aid in monitoring and controlling the invasive species' spread in North America.
Scientists have identified three major components of the Asian giant hornet queen's sex pheromone, which can be used as bait to trap and track the insects. The discovery could help locate and remove the invasive species from North America, where it threatens bee populations and crop production.
Researchers found that epigenetic inheritance can affect the genetic composition of a population for multiple generations. Exposure to high temperatures accelerated the rate of evolution, increasing the spread of genes through mating.
Researchers found that hemoglobin, an oxygen carrier molecule, acts as a chemosensory signal in lactating mother mice, prompting digging or rearing behavior to protect their offspring. This unique response is mediated by the Vmn2r88 receptor and is controlled by the specific ligand-receptor pair comprising hemoglobin binding to Vmn2r88.
Researchers have developed genetically modified plants that can produce and release insect sex pheromones to combat herbaceous plant pests. These plants, called pheromone biofactories, can create sexual confusion in pest males, reducing population growth and pest control needs.
Researchers found that internal dauer pheromones, not external environmental pheromones, regulate fat rationing and longevity in dauer larvae. The discovery suggests a potential mechanism for regulating fat storage in humans as well.
A new study published in PLOS Biology elucidates a female sex pheromone pathway in cockroaches, revealing that blocking an enzyme reduces pheromone production and female attractiveness. The study provides valuable insights into insect sexual behavior regulation.
Researchers found that Caenorhabditis elegans worms learn to optimise their foraging activity by switching their response to pheromones in the environment. The worms adapt to sensory cues to maximize food intake during foraging, associating pheromones with food availability and changing their movements accordingly.
Researchers analyzed 99 vinegar fly species to understand how sex pheromones evolve and impact mating behaviors. The study found that male-specific compounds are abundant, while female-specific compounds are scarce, suggesting a crucial role for males in transmitting chemical signals.
Female fruit flies undergo a behavioral change after mating, becoming more selective towards males with higher levels of aphrodisiac pheromone. This preference is induced by the juvenile hormone and reduces their sensitivity to pheromones, leading them to prefer males with more attractive scents.
Researchers study individual bees' decision to sting based on alarm pheromone concentration, revealing a 'stopping effect' at high concentrations. The study suggests environmental factors drove the evolution of pheromone-based communication in honeybees' defensive behaviour.
Researchers found that army ant mass raids originated from group raiding behavior in smaller colonies, with a massive increase in colony size correlating to the evolution of mass raids. The study uses custom computer vision software to track individual ants and analyze their behavior.
Researchers have identified the gene responsible for a male European corn borer moth's preference for its female counterpart's pheromone. The discovery provides insights into the evolution of mating signals and could help predict the spread of resistance to genetically modified insecticides, offering potential benefits for pest control.
Researchers at Harvard Medical School identified a signaling molecule called neuropeptide-Y (NPY) as the key driver of hunger-dependent odor attraction. Mice with NPY deficiency showed reduced preference for food odors, highlighting the crucial role of NPY in enhancing food attraction when hungry.
A new study found that female Stenophylla lobivertex praying mantises have an advanced pheromone gland protruding from their bodies, releasing a unique pheromone to attract mates. This adaptation may be crucial for the species' survival, particularly in rare cases with low population density.
Researchers discovered that honeybees use pheromones to pass messages along, creating a complex communication network. The bees closest to the queen catch her scent and then transmit it to other bees in the colony, forming a chain of communication.
A new study published in Frontiers in Genetics shows that dim red light enhances the mating and egg-laying behaviors of yellow peach moths by selectively activating a genetic pathway related to olfaction. This increase in sensitivity is made possible due to the unique properties of odorant binding proteins secreted by auxiliary cells s...
Researchers have identified 73 different receptors in the antennae of the Eurasian spruce bark beetle, enabling characterization of its pheromone response. This discovery could lead to more effective and environmentally friendly pesticides and bark beetle traps.
Scientists have created a mathematical framework to understand how termites construct intricate mounds without a plan. By analyzing the spacing and arrangement of floors and ramps, researchers have made predictions for the spontaneous formation of linear and helical ramps, shedding light on swarm intelligence.
African termites' underground nests are built using a self-organized architecture that reflects individual behavior and environmental cues. The study's mathematical model simulates nest construction, revealing consistent vertical and horizontal spacing patterns.
Scientists at ISCA, Inc. and their collaborators have successfully grown insect sex pheromone precursors in genetically modified camelina plants, creating a low-cost source of pheromones needed for sustainable pest control. The transgenic plants produce insect pheromone precursor compounds in their abundant seed oil.
Researchers have discovered how rodent ancestors created pheromone genes by combining portions of blood and venom genes. This process, known as genetic tinkering, may lead to the identification of new pheromones and insights into their role in species communication.
Scientists at the Universities of Bath and Sussex have developed a new system that slowly releases ant pheromones to attract pests to an insecticide bait. This innovative approach aims to reduce pesticide spraying and minimize environmental damage.
Researchers found that filling homes with calming pheromones can reduce undesirable interactions between cats and dogs, such as dog chasing cat or barking at cat. Both Feliway Friends for cats and Adaptil for dogs showed positive effects on desirable behaviors like friendly greetings and relaxation in the same room.
Researchers discovered that a changing mating signal in Drosophila mojavensis can initiate speciation. Females from subspecies with lost pheromones prefer courtship song over scent when choosing mates.