Articles tagged with Lepidoptera
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Researchers discovered that certain sea slugs selectively store the toxin Latrunculin A, which is more toxic to cancer cell lines than other compounds. Bright colours and chemical defences are used by these creatures to warn potential predators away.
Researchers found that different color patches on butterfly wings are controlled by independent genetic switches, which can be mixed and matched between species to create new patterns. This phenomenon allows butterflies to share common warning signs with predators, a form of mimicry.
Researchers found that Asian tiger mosquitoes prefer containers with large water volumes and near flowering butterfly bushes. These findings could lead to the development of traps using flower fragrances to control mosquito populations.
Research on invasive yellow crazy ants found they are more likely to attack native cruiser butterfly caterpillars than green tree ants. The study suggests a potential eradication program could mitigate ecological damage, but federal support is uncertain without state and local backing.
A UK study by University of Stirling researchers found that neonicotinoid pesticide use is linked to declining butterfly populations, with 15 species showing population declines. The chemicals can persist in the environment and contaminate wildflowers, providing little nourishment for butterflies.
A new Black-eyed Satyr species has been described in honor of Sir David Attenborough. The butterfly's unique characteristics led researchers to define its taxonomic placement, which was confirmed by DNA data.
A study published in PLOS ONE found that seasonal migrations can remove infected butterflies from wild populations, lowering parasite prevalence. The research tracked the natal origins of parasitized and uninfected monarchs to Mexico, revealing that uninfected butterflies originated from more northerly latitudes.
Taxonomists can accelerate their workflows by using DNA barcoding and diagnostic characters to describe new species. Dr. Gunnar Brehm's study revises the Neotropical looper moth genus Hagnagora efficiently, including the description of three new species.
A new moth species, Antaeotricha floridella, has been discovered in Florida's sandhills and scrub with a preference for dry habitats. Its forewings are found to be immaculately white, distinguishing it from its close relative Antaeotricha albulella.
Scientists investigate butterfly mimetic communities in the Western Ghats of India and find that females are generally better mimics than males. The study's results challenge expectations and raise new questions about the evolution of mimicry and selective forces influencing butterfly wing patterns.
A study by researchers from the University of Georgia found that female monarch butterflies have thicker wings and lighter body mass relative to their wing size, making their flight more efficient. This advantage enables females to outperform males in flight and migration success.
Research by the University of York reveals that certain moth and butterfly species are becoming more abundant due to improved climate conditions, while others are declining. The study found that species sensitivity to climate change varies greatly among species.
Researchers at Aarhus University found that butterflies in Greenland have become smaller due to warmer summers, affecting their mobility and population dynamics. The study, published in Biology Letters, is one of the longest known time series on body size variation in butterflies.
Scientists at STRI in Panama compared the diets of two caterpillar species and found that generalist moth caterpillars could actively store toxic plant chemicals in their bodies. This discovery opens new avenues for understanding plant-insect coevolution and has potential medical applications.
Research on butterfly species shows that females pass on their own experience to their brood, even if it was not ideal. This rapid adaptation allows insects to adapt quickly to changing environments.
Research teams discovered genes from parasitic wasps are present in butterfly genomes, acquired through a virus that integrates into DNA. This finding reveals naturally produced GMOs in butterflies, including the iconic Monarch species, and highlights potential risks of gene transfers in GM insects.
In a study on Latin American butterflies, researchers found that males without scent-producing organs do not co-occur with their closest relatives. This suggests that the loss of male scent pads may be linked to geographic isolation, allowing species to avoid competition for mates.
Researchers have replicated the surface chemistry found in iridescent Morpho butterfly scales to create a highly selective gas sensor. The bio-inspired sensor detects small color changes for gas detection, potentially transforming medical diagnostics, industry, and military sectors.
A new method developed by McGill University professor Shaun Lovejoy could significantly improve atmospheric forecasting accuracy, particularly over long periods. By leveraging the atmosphere's long-term memory, Lovejoy's approach shows promise in explaining the 'pause' in global warming since 1998.
A new UK study predicts that severe droughts could lead to the extinction of six butterfly species by 2050, highlighting the urgent need for climate action. However, reducing greenhouse gas emissions and restoring habitats can greatly improve the chances of drought-sensitive butterflies surviving until at least 2100.
Research on monarch butterfly conservation highlights declining population trends, with survival rates dropping from 1997 to 2014. The studies also suggest that Karner blue butterflies are being protected through a cutting-edge recovery program in Wisconsin.
Researchers at the University of Exeter have developed a new technique to make solar energy cheaper and more efficient by mimicking the v-shaped posture of Cabbage White butterflies. The study shows that by replicating this 'wing-like' structure, power-to-weight ratio can be increased 17-fold.
Researchers from UC Davis and University of Guam studied monarch butterflies on Guam to understand their migration patterns and impact of pesticides. The study found that the lack of pesticide use on the island has led to an increase in milkweed population, which is essential for the monarchs' survival.
A study of 228 butterfly species in the Iberian Peninsula suggests that up to 28% could be entirely new to science, highlighting the need for conservation efforts and genetic identification tools. This DNA analysis will aid in differentiating between morphologically similar species and inform priority conservation strategies.
A study on butterfly-coevolution with cabbage plants has provided new insights into the genetic basis of this ancient dynamic. Over 80 million years, advances in plant defense led to counter-tactics from butterflies, driving rapid species diversification.
Researchers analyzed genetic data from butterflies and cabbage plants to understand the co-evolutionary dynamics. They found that new gene copies played a key role in this process, enabling plants to develop toxic compounds that deter insects.
Researchers investigate how sex chromosomes allow gene dosage imbalances without negative effects, with a focus on butterflies and moths as model species. The goal is to understand the mechanisms of 'sex chromosome dosage compensation' (SCDC) in different species.
Researchers at Washington State University found that vineyards with native plant habitats have three times the number of butterfly species and four times more butterflies than conventional vineyards. This conservation method helps reduce pesticide usage and promotes a sustainable agricultural industry.
Researchers found that the butterfly's wing surface features irregular nanopillars with a random height, causing low reflection. This phenomenon allows the butterfly to evade predators and has potential applications in displays and lenses.
A study found that butterflies, such as Oakblue butterflies, use various chemical strategies to mimic plants and avoid ant attacks. The larvae are able to survive on specific plant species without being attacked by the ants.
Researchers found sap-feeding butterflies have proboscis conformations closely resembling the Golden Ratio, suggesting a connection between feeding habits and substrate type. The study suggests this discovery can be used to predict the feeding habits of unstudied lepidopteran species.
The Eastern tiger swallowtail's genome has been sequenced, revealing mutations in proteins responsible for its unique circadian rhythm and stinky substance used to scare off predators. This breakthrough opens the door for more insect genome sequencing projects at an affordable price.
A new study reveals the gold swift moth's intricate mating patterns and sexual positions, showcasing a 'Karma Sutra' of insect behavior. The research suggests that this complexity is an adaptation to the scarcity of mating grounds, driving the development of varied courtship strategies.
Research shows butterfly eyespots are used to deflect predator attacks, with large and bright eyespots in the wet season making a colorful target for attack. In the dry season, smaller and duller eyespots make the butterfly more difficult to detect and consume.
Scientists found that Maculinea butterfly larvae mimic Myrmica ant queen sounds to fool workers into feeding them, even when the real ants are starving. The researchers recorded and analyzed sound signals emitted by both butterflies and ants, finding similarities in patterns between the two.
Researchers identified a single gene central to monarch migration and another controlling pigmentation. Migratory butterflies have reduced levels of collagen IV α-1, increasing flight efficiency, while a new gene functions as a pigmentation switch.
A recent study published in BMC Evolutionary Biology found that food affected by the Fukushima nuclear disaster harms animals, even at low levels of radiation. Researchers fed pale blue grass butterflies leaves collected from areas varying distance from the disaster site and investigated the effects on the next generation. The study sh...
A new paper published in Nature Communications suggests that simple traits like butterfly wing patterns may have a shared genetic source. Researchers identified a single gene, WntA, responsible for the evolution of similar color patterns in two distantly related butterfly species.
Researchers identified a shared gene responsible for flashy markings in two butterfly families, tracing it back to their ancient ancestors. This finding suggests that simple traits may follow a single evolutionary road, potentially revolutionizing our understanding of evolution.
A novel molecular system resembling a butterfly has been discovered, capable of measuring temperature, emitting white light, and converting photon energy to mechanical motions. The molecule's unique properties make it suitable for developing non-invasive thermometers and molecular machines that can harness sunlight.
Research shows that warmer temperatures have led to narrower diets among butterflies moving north in response to climate change, potentially compromising their ability to adapt. In contrast, butterflies with more diverse diets may struggle to evolve new eating habits to cope with changing conditions.
Studies on Fukushima radiation impact birds, monkeys, butterflies, and plants with population declines, genetic damage, and stress responses observed. Chronic low-dose radiation exposure results in genetic damage and mutation rates in reproductive cells.
Scientists at Yale University have successfully changed the color of butterfly wings using evolutionary principles, producing the first structural color change in an animal. The research has implications for the design of new materials and devices, and may help physicists and engineers develop more efficient designs.
Researchers at Clemson University are developing probes that can siphon liquid out of single cells using the proboscis of butterflies. The technology has the potential to revolutionize medical testing and treatment, allowing doctors to replace defective genes with healthy ones.
Researchers found that monarchs employ a light-dependent, inclination magnetic compass system for navigation similar to larger-brained migratory vertebrates like birds and sea turtles. The study suggests the compass serves as an important backup system when daylight cues are unavailable.
The Societas Europaea Lepidopterologica has joined forces with Pensoft Publishers to bring the journal Nota Lepidopterologica on the way to open access and innovation. The new format brings benefits such as shorter waiting times for publication, and all published papers will be accessible online.
A University of Minnesota researcher studied monarch butterflies' response to road salt, finding elevated sodium levels alter foraging behavior and development. The study suggests that excessive sodium can lead to increased mortality rates.
A new study reveals that habitat loss on breeding grounds in the United States is the main cause of recent and projected population declines of migratory monarch butterflies in eastern North America. The research found that industrial farming has contributed to a significant decline in milkweed plants, which are essential for monarch c...
The UC team will monitor snow cover, pollination, and mating behaviors of the Rocky Mountain Apollo butterfly to understand climate change's effects on its population. The research aims to reconstruct climatological conditions experienced by the butterflies in the past using meteorological data from a field station.
Researchers found that early migrating monarch butterflies have larger, more elongated wings with redder colors, indicating superior flight performance. These characteristics promote long-distance migration and increase the chances of survival.
Researchers at the University of Manchester have discovered that combining graphene with boron nitride creates an additional band gap, allowing for more control over its electrical conductivity. This phenomenon, known as the Hofstadter butterfly, results in strongly contorted replicas of the original graphene spectrum.
A study found that as Europe warms, communities of butterflies and dragonflies consist of more lighter-colored species, which are better adapted to the changing climate. Lighter-colored insects can reflect sunlight and regulate their body temperature, giving them an advantage over darker-colored species.
A study published in Nature Communications reveals that climate change is favoring the distribution of light-colored insects in Europe, particularly butterflies and dragonflies. This phenomenon is due to their ability to regulate heat through their color variation, allowing them to thrive in warmer areas.
In a rare observation, butterflies and bees were seen drinking the tears of a spectacled caiman in northeastern Costa Rica. Researchers have found that this behavior is more common than previously thought, with many instances recorded by wildlife enthusiasts and scientists.
A new study finds that climate change and urbanization are threatening Ohio butterflies, with eight species showing significant delays in lifecycle events. The findings suggest that these changes may render the species unfit for parts of the state, highlighting the importance of monitoring butterfly populations.
Researchers found that urban areas in warmer regions experience delayed butterfly emergence compared to rural areas. The study's findings suggest that butterflies may be more vulnerable to climate change than previously thought, and highlight the importance of understanding species' responses to urbanization and temperature increases.
Parasitic butterfly larvae may use acoustic signals to infiltrate ant colonies, according to a study published in PLOS ONE. The larvae's sound patterns were found to be more similar to those of the queen ant than worker ants, suggesting a potential strategy for infiltration and exploitation.
A study found that two days of larval food restriction can reduce adult monarch butterfly wing size by approximately 2% and affect wing pigmentation. Limited access to milkweed stunts monarch wings, which could impact migration success.
A single gene, doublesex, regulates complex wing patterns and structures required for mimicry in swallowtail butterflies. This study reveals that the gene's known role in sexual differentiation has been co-opted to control wing pattern.
Scientists have discovered two new butterfly species in the eastern United States, one of which is a close relative of the well-known Carolina Satyr. The study reveals distinct differences in genitalia and DNA sequences between the two species, highlighting the complex genetic diversity of these butterflies.