A virus that infects lepidopteran insects confers protection against parasitic wasps by inhibiting larval development. The discovery of the Parasitoid Killing Factor gene family highlights a novel mechanism of defense against parasites in these insects.
Flies use their antenna to smell ammonia, which helps them find food sources and navigate. A new type of odor receptor, Amt, has been identified that allows insects to detect ammonia, and could lead to effective ways to block it.
Researchers found that the symbiotic relationship between ambrosia fungi and beetles originated more than 100 million years ago, during the early Cretaceous period. This discovery sheds light on the evolutionary history of insect farming, a strategy similar to human agriculture.
A new plant species has been found to deceive pollinators by emitting a scent that mimics decomposing insects. The flower of Aristolochia microstoma traps 'coffin flies' in its chamber, allowing them to deposit pollen before escaping unharmed.
Scientists at Johns Hopkins Medicine counted brain cells in fruit flies and three mosquito species, revealing an average of 200,000 neurons. This estimate likely represents a baseline number of brain cells required for complex behaviors. The study provides insight into the intricate processing capabilities of these insects.
A study suggests that glyphosate, the world's most widely used herbicide, weakens the immune systems of insects by inhibiting melanin production. This reduction in resistance to infection may have significant impacts on ecosystems and human health.
Researchers at Duke University have discovered a specific ingredient in pyrethrum, a centuries-old natural insecticide, that helps mosquitoes avoid its toxic effects. The compound, called EBF, activates a smell receptor in the mosquito's antenna, making it unappealing to the insects and helping to prevent bites.
Researchers found that glyphosate inhibits the symbiotic bacteria of the saw-toothed grain beetle, preventing it from forming its exoskeleton. The study suggests that this can make insects more vulnerable to stress and death.
A recent study led by Shinshu University found that flower size is correlated with pollinator size in different mountain regions, evolving independently in each area. Despite genetic similarity between plants across regions, flower sizes varied greatly, suggesting parallel evolution of this trait among mountains.
A review of over 500 academic papers found that wasps are valuable for agriculture, providing biocontrol services worth $416 billion annually. Wasps also contribute to pollination, visiting 960 plant species, including those dependent on them for reproduction. Their venom and saliva have medicinal properties.
Scientists found a strong correlation between insect body size and temperature in fossil midges, revealing a promising new proxy for palaeotemperatures. The study suggests that insects can be used to reconstruct ancient climates dating back to the Cretaceous period.
Researchers are investigating how carnivorous plant genes can help crops defend themselves from pathogens and insects, reducing reliance on pesticides and fertilizers. The team plans to test transgenic crop plants with protein-based pest deterrents and nutrient-enhancing traits.
Researchers at the University of Copenhagen have discovered a better way to target and eliminate beetles using eco-friendly methods. The study found that beetles regulate their kidney function in a unique way, which can be exploited to disrupt their fluid balance without harming other insects.
Researchers at Shinshu University have successfully edited the silk moth's temperature sensor to induce dormancy based on day length, similar to its ancestral species. This breakthrough sheds light on the molecular mechanisms behind environmental adaptation in insects and has significant implications for the sericulture industry.
A new study found that solar panels can increase flower abundance and delay bloom timing, benefiting pollinators. The research suggests that using solar panels for pollinator habitat restoration could aid the agricultural community and provide important ecosystem services.
Researchers designed and tested 3D printed beetle models to study mate choice in insects. The results show that the models are effective in simulating real behavior, with males preferring chemical signals and color cues over 2D counterparts.
A recent fossil discovery of four new snakefly species has deepened the mystery surrounding their evolutionary history and distribution. The ancient insects, dating back 50 million years, were found in British Columbia and Washington state, where scientists had previously believed they required cold winters to thrive.
Researchers at Kumamoto University found that adult nocturnal fishflies feed on pollen at night, visiting flowers and feeding on nectar. This discovery sheds light on the terrestrial life of adult fishflies, which was previously unknown.
Scientists observed hundreds of Larch Budmoths on Vize Island, with moths surviving up to 20 days after arrival. The study suggests that climate change is allowing southerly insects to colonize High Arctic islands, paving the way for forest insect invasion.
A Chinese research team discovered that whiteflies use a plant gene to degrade common plant toxins, allowing them to feed on plants safely. The team developed a strategy to undo this superpower by creating a small RNA molecule that interferes with the whitefly's gene.
Researchers from Aarhus University have developed an intelligent light trap that can count insects and determine their species, significantly boosting nature monitoring. The invention uses ultraviolet light to attract insects and image recognition to register them, allowing for more precise knowledge about insect populations and habitats.
Researchers found that using amber-colored filters on 'warm white' LED lamps reduces insect attraction to nocturnal lighting in a tropical forest. Insects play crucial roles as pollinators, regulators, decomposers, and food sources; using filtered LEDs can mitigate the negative impacts of ALAN on wildlife.
Research found that restored streams have fewer large and stable rocks for insect egg-laying, delaying recovery. Insects rely on these rocks to quickly repopulate and maintain ecosystem health.
Researchers found that artificial light at night reduces diurnal insect visits to plants that were illuminated during the nighttime. Beetles increased their visits instead. The study's findings highlight the indirect ecological effects of light pollution and call for further research to mitigate its impact.
A combined treatment of irradiation and essential oil vapors effectively destroys insects, bacteria and mold in stored grains. The addition of eucalyptus and tea tree essential oils improves effectiveness.
Researchers identified insect genes that directly guide gall development in aphids, transforming ordinary plant parts into intricate shelters. The discovery of "bicycle genes" reveals a novel mechanism by which insects reprogram plant growth.
A new study reveals a causal link between the decline of insectivorous birds and poor water quality, driven by human disturbance and pollution. The analysis shows that emergent insects, which serve as an important food source for birds, are highly sensitive to water pollution.
Researchers will use a combination of data from scientific monitoring, citizen scientists, and high-tech sensors to assess UK insect abundance and diversity. The project aims to provide definitive evidence on whether insects are declining overall and inform environmental policies to protect them.
Researchers have identified 20 proteins found in cricket food products that could cause serious allergic reactions in individuals with shellfish allergies. The study aims to provide a framework for detecting and labelling insect-derived allergens in food products, ensuring safe consumption by those with allergies.
A biologist's review articles on insect color vision and plant-pollinator interactions highlight the complexity of these relationships, which involve deception, chemical warfare, and biomechanical trickery. Plants have evolved fine-tuned pigments to attract pollinators, but insects have also co-evolved with them.
Research finds that flowers provide essential nectar and pollen for predatory insects, helping them survive up to 8 times longer. This can significantly reduce the need for agricultural pesticides, improving crop production while supporting biodiversity.
Research by University of Bristol scientists shows neonicotinoid insecticides disrupt bees' and flies' ability to get a good night's sleep, affecting daily behavioral rhythms. The pesticides also impair memory and circadian behavior in these insects, leading to potential decline in pollinator populations.
A new study reveals that rare Arctic insect populations are declining, while more common species are thriving due to climatic changes. Climate-driven shifts in growing seasons and permafrost thawing may be key factors contributing to these trends.
Researchers discovered an intrinsic contralateral connection in insect nervous systems that enables synchronized muscle activation after limb loss. This finding may aid design principles for flexible and adaptive walking in insect-like robots.
Scientists are using brain recordings, flight analyses, and computational modeling to uncover the neural mechanisms behind insect decision-making. The study aims to inform autonomous robotics, computational neuroscience, and other fields by understanding how insects utilize movement to simplify information sampling.
Scientists are using AI to identify insects at supernatural speed, opening up new possibilities for discovering unknown species and tracking their life across space and time. Insects have diverse life histories and roles in ecosystems, making manual observation and counting a time-consuming process.
Boosting appreciation for insects is key to conservation. Simple actions like reserving 10% of a lawn for insects or cultivating native plants can provide crucial habitat and food reservoirs. Additionally, reducing nighttime light pollution and using insect-friendly soaps can help protect insect populations.
Recent studies document striking patterns of insect biodiversity loss, with many populations decreasing at annual rates of 1-2% a year due to human activities such as agriculture. However, some species are increasing in abundance and geographic distribution in temperate and Arctic areas.
A new study by University of Delaware Professor Doug Tallamy identifies the most critical plants needed to sustain food webs across the United States. These powerhouse plants, including oaks, willows, and goldenrod, support insects that are essential for energy transfer and soil decomposition.
A new study from Lund University found that high temperatures can limit insects' ability to reproduce and tolerate changes in temperature. Insects, being cold-blooded, rely on external sources for body temperature regulation, making them vulnerable to overheating.
Researchers study insect brain computation to develop faster, more efficient machine learning algorithms. The fruit fly's ability to generalize experiences in complex environments informs the creation of an AI model capable of rapid adaptation.
Researchers at the University of Göttingen found that beetle larvae start using their brains before they are fully formed, defying conventional wisdom on insect intelligence. The study revealed that key parts of the brain's central complex are active in the larva, allowing it to orient itself in its environment.
Researchers discovered that ogre-faced spiders can detect both low- and high-frequency sounds using hairs and joint receptors on their legs. The spiders use these sensory systems to hunt flying insects by performing a choreographed backwards strike, which may be aided by directional hearing.
Researchers found that reduced insect density influences plant composition and development, with dominant plant species becoming more prevalent. This can lead to mismatches between plant and animal species, causing adverse consequences for the ecosystem.
A new study found that fipronil compounds were more toxic to stream communities than previously thought, with 16% of sampled US streams exceeding safe concentrations. The Southeast region showed the highest prevalence of fipronil, while Pacific Northwest streams detected only around 9%.
The genus Iris, comprising over 300 species, has a poor fossil record, but researchers created a phylogeny to study evolutionary divergence. They found the last common ancestor of irises probably had purple flowers with a crest and spot on falls, pollinated by insects for nectar.
Researchers at UMD discovered that mosquitoes lack a critical gene for proper body segmentation, but a related gene took its place. This finding highlights the importance of caution in genetic studies and offers new potential avenues for targeted mosquito control strategies.
A Rutgers-led study reveals that small water droplets on plant leaves are rich in carbohydrates and proteins, essential for insect survival. This discovery has profound implications for the conservation of beneficial insects and could reduce pest problems in various crops.
Researchers at the Max Planck Institute for Chemical Ecology have found that surplus sugar from honeydew secretions by whiteflies is used to detoxify plant toxins. The discovery of a novel glucosylation pathway reveals how whiteflies prevent activation of mustard oil bomb in cruciferous plants.
Research at University of Melbourne found that low doses of Imidacloprid trigger neurodegeneration, disrupting energy production, vision, movement, and immune function in vinegar flies. Even small exposure can lead to blindness and movement problems.
A team from UNIGE has successfully replicated a nanoscale coating on different surfaces, mimicking the natural anti-reflective and anti-adhesive properties of fly eyes. The coating consists of two ingredients: retinin and corneal wax, which work together to generate a regular network of protuberances.
Researchers found evidence of humans using grass bedding and ash layers to create comfortable areas for sleeping and working over 200,000 years ago. The study suggests that people used fire, ash, and medicinal plants to maintain clean and pest-free camps.
A 429-million-year-old trilobite fossil's internal structure reveals similarities with modern bee eyes and compound eyes of crustaceans. The findings suggest that vision principles in these insects have remained largely unchanged since the Palaeozoic era.
Increasing crop diversity in landscapes with high proportions of semi-natural habitats increases the diversity of beneficial insects like pollinators and ground beetles. This benefit was only observed in landscapes with both high crop diversity and semi-natural habitat cover.
A recent US long-term ecological site study suggests that the so-called 'insect apocalypse' may be exaggerated, with many areas showing little to no overall change in insect abundance and biodiversity. However, certain species remain in decline, particularly for key ecosystem services like pollination and natural pest control.
Researchers in Spain studied bird nests to understand how insects and parasites detect gas concentrations, finding a positive correlation between carbon dioxide and biting midges. The study also found that methane concentration was related to bacteria in nesting materials.
Research has found that the brains of humans, flies, and mice share similar mechanisms for brain development and function. This similarity can be interpreted in two ways: as evidence of a single ancestral brain or independent evolution of brain circuits. The study identified shared genetic regulatory mechanisms controlling brain area f...
A study published in Science found that a large mutation called a 'supermutation' affects the coloration of North American stick insects, transforming continuous variation into discrete color morphs. This discovery provides insights into how genetic variation is packaged into biological diversity, such as morphs and species.
The team developed a low-power, low-weight wireless camera system that can capture first-person views from live insects or small robots. The camera uses a mechanical arm to pivot 60 degrees, allowing for wide-angle views without consuming excessive power.
New research shows road verges can provide vital food and shelter for bees, butterflies, and hoverflies. By mowing less, limiting street lighting, and reducing pollution, managers can create 'corridors' to aid pollinator conservation.