Articles tagged with Insects
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
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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.
Researchers developed an X-ray imaging technique that produces detailed images of living organisms at high resolution while minimizing radiation exposure. This advance enables small organisms to be studied over longer periods, revealing new insights into dynamic processes.
A recent Cornell University study found that wasps which can recognize individual faces tend to have better social interactions and exhibit stronger cognitive abilities than those who cannot recognize individuals. This suggests an evolutionary link between facial recognition and cooperation.
The discovery of two male mosquitoes from the Early Cretaceous period reveals that males likely fed on blood, contradicting previous assumptions. The findings provide new insights into the evolution of hematophagy and challenge current understanding of mosquito behavior.
The discovery of fossilized male mosquitoes in 30 million-year-old amber suggests that males were also hematophagous, feeding on blood. This finding helps narrow the 'ghost-lineage gap' for mosquitoes and complicates our understanding of the evolution of blood-feeding habits.
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.
A new proof-of-concept study demonstrates the use of distributed fiber optic sensing to detect and analyze the sound of periodical cicadas. The technology shows promise for charting the populations of these famously ephemeral bugs, with potential applications in monitoring insect abundance across seasons and years.
Researchers at Mainz University and the US-American BENFRA Center have demonstrated the effect of botanical products used in traditional Asiatic medicine on depressive states in fruit flies. The plants Withania somnifera and Centella asiatica enhanced resilience to chronic stress, alleviating symptoms of depression.
New research from University of Illinois Chicago identifies a potential 'stop growing' switch triggered by steroid hormone ecdysone in fruit flies, which may relate to human puberty. The study's findings have implications for understanding the growth-stopping process in humans, particularly given recent changes in puberty onset.
Researchers at Lund University mapped extensive colour variation in female bluetail damselflies, finding a specific genomic region drove the emergence of male-like females. This genetic variation has been maintained through balanced natural selection over long evolutionary time periods.
A new study by Cornell University researchers found that higher cannabinoid concentrations in hemp leaves led to proportionately less damage from insect larvae. The study suggests the potential for developing pesticides from cannabinoid extracts, but such uses would be limited to non-edible plants.
Scientists at University of Leicester investigate sleep's impact on ageing epigenetics using jewel wasp model, finding potential reversible effects on DNA methylation. This study aims to understand the molecular basis of sleep-regulated ageing and its potential for therapeutic intervention.
Researchers studied mountain goats' behavior in Glacier National Park, finding that ear flicks showed a strong correlation with the presence of snow. The lack of summer snow patches may increase their risk of local extirpation due to increased tick infestations.
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.
Researchers discovered that parasites like horsehair worms use stolen genes to control host behavior. They found over 3,000 genes expressed more in manipulated hosts, suggesting the parasite produces its own proteins for manipulating nervous systems.
A new study reveals that periodical cicada emergences have a cascading effect on forest ecosystems, shifting bird diets and leading to increased abundance of caterpillars and subsequent leaf damage. This research has implications for bird conservation and understanding the interconnectedness of complex food webs.
Researchers mapped mosquito's tree of life, revealing how the insects chose their hosts and evolved disease transmission. The findings suggest mosquitoes started out feeding on amphibians and later moved to other groups as they flourished.
A study published in the Entomological Society of America's Journal of Insect Science found that adult periodical cicadas contain plant DNA, including woody plant and Malus (apple tree) DNA, indicating they feed on plant sap. The discovery resolves a long-standing scientific debate on whether adult cicadas feed.
Researchers from Kobe University found that birds dispersing the eggs of eaten insects' help flightless stick insects expand their geographical range. Genetic analysis revealed a correlation between geographic distance and genetic differentiation among populations.
Researchers found tropical forest ecosystems rely more on aquatic insects than temperate forests, making them vulnerable to disruptions in land-water connections. This increased reliance poses a threat to tropical environments, which are already under pressure from human activity and climate change.
A 312-million-year-old fossil found in the Carboniferous Rhode Island Formation provides evidence of how internal feeding, known as leaf mining, may have originated. The discovery sheds light on the evolution and behavior of holometabolous insects, including modern-day moths, beetles, flies, and wasps.
A new study from North Carolina State University finds that freshwater insects lack metabolic responses to salinity, unlike other aquatic animals like crustaceans and snails. Insects' constant metabolism in saline environments may be due to low demand for calcium, which can be toxic to them.
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.
A new study reveals the meadow spittlebug can feed on more than 1,300 plant species, making it a major vector for incurable plant diseases. The insect's unique ability to spread pathogenic bacteria poses a significant threat to global food security.
Researchers discovered that insects evolved ultrafast flight from a single common ancestor, with asynchronous beating and synchronous activation modes. They used physics models and robotics to test how these transitions could occur, finding that evolution can turn on and off this particular mode of flight.
Researchers at Oregon State University have discovered a novel genus and species of micro-wasp with mysterious, bulbous structures on its antennae. The discovery, published in the journal Life, provides new insights into the biology and ecology of ancient insects.
Researchers at Tohoku University have developed a model predicting torque generated from electrical stimulation in stick insect leg muscles, allowing for precise control of insect movement. The study's findings have the potential to refine motor control of tuned biohybrid robots and enable adaptable devices with various applications.
Researchers have created the first-ever map of a single animal's early visual system, reconstructing it from the eyes to neurons in a tiny parasitic wasp. The study reveals complex behaviors such as flight in an insect with just 8,600 cells compared to the human brain's 171 billion.
A new study reveals that weather conditions are a significant driver of global insect decline. Researchers found that unfavourable weather anomalies can lead to reduced insect survival probabilities, particularly in combination with other extreme weather events.
Researchers studying arboreal ants in a Florida forest explore how resource availability and competition shape biodiversity. The study found that both resource availability and competition among species are important for maintaining biodiverse communities, with the relative importance of these processes dependent on scale.
A new study published in BioScience documents the progress of the InvaCost endeavour, which has compiled data on the economic cost of biological invasions. The database now includes over 13,553 entries and provides a clear picture of the major threats posed by invasive species to ecosystems, biodiversity, and human well-being.
A comprehensive study reveals a 72% reduction in rare butterfly populations across Eastern Denmark, with only 158 sites remaining from 565 in 1993. The research highlights the need for improved habitat protection and management to safeguard these species.
New research by Penn State suggests that hardwood trees such as maple, willow and birch are unlikely to see significant impacts from the sap-feeding spotted lanternfly. The study found that increased feeding pressure resulted in reduced growth during the first two years, but native trees recovered when feeding was less intense.
Researchers have developed a tiny, squishable robot called CLARI that can change its shape to pass through narrow gaps. The robot's modular design allows it to be customized and expanded with additional legs, enabling potential applications in search and rescue operations after major disasters.
A team of researchers used CT scanning to reveal the soft anatomy of a 500-million-year-old fossil, Kylinxia. The discovery provides insight into the evolution of arthropods and their head structure.
A team of researchers from Göttingen University has identified seven new species of leaf insects, showcasing their unique camouflage abilities. The discovery highlights the importance of protecting these distinct species from extinction.
Researchers discovered a species of fungus that fosters a unique symbiotic relationship with oilseed rape plants, increasing flavonoid biosynthesis and enhancing plant defense against pests. This breakthrough offers promising potential for sustainable agriculture and minimizing ecological footprints.
A research team at Ritsumeikan University has identified the elusive ApiT gene in celery, crucial for apiin synthesis. The discovery may pave the way for efficient biosynthesis of apiin, a compound with potential health benefits and medicinal uses.
A review of 82 studies found human activities influencing insect habitats, leading to declines in Central and Western Europe. Agricultural activities, urbanization, and climate change are identified as primary drivers of observed changes in insect populations.
A graduate student's accidental discovery sheds light on how squash bug nymphs acquire essential bacteria. Researchers found that the nymphs eat adult feces to obtain the necessary microbes, an elegant solution to a basic problem. This finding may offer insights for improved methods to control squash bugs, a significant agricultural pest.
A new R package, lydemapr, has been developed to track the spread of the invasive Spotted Lanternfly in the US. The dataset contains detailed information on the pest's presence, establishment status, and population density across over 650,000 observations.
A new study reveals that fungus gnats are crucial pollinators of certain Euonymus plant species with red-petaled flowers. The unique traits of these flowers, such as their yogurt-like scent and short stamens, have evolved to attract the fungus gnats, highlighting the importance of Diptera in plant diversity and evolution.
A study led by University College London researchers analyzed 393 wasp samples collected from citizen scientists and found a single population of the Common Wasp (Vespula vulgaris) across Britain. The findings demonstrate the wasp's ability to disperse itself widely, contributing to its success in human-modified environments.
Scientists have identified several bioactive compounds in aloe vera peels that deter insects from feasting on crops. These compounds could lead to the development of an environmentally friendly alternative for disposing of agricultural waste and creating additional revenue streams for aloe vera producers.
Researchers discovered seven bat species and 66 insect species in the Pyrenees, highlighting the importance of migratory insects as a food source for both bats and those living in the mountains. The study also shows that migrating insects are a crucial refuelling station for bats during their own journeys south.
Researchers have successfully transformed black soldier fly carcasses into degradable plastics through a process of extraction and purification. The resulting bioplastics can absorb water and potentially address drought situations, making them a promising solution for sustainable agriculture.
A new study by Goethe University Frankfurt found that effluents from treated wastewater treatment plants alter invertebrate communities in Hesse's waters. Pollution-tolerant taxa like worms and crustaceans increase, while sensitive species like stonefly and caddisfly larvae decline.
Research found that grassland fragmentation and plant invasion support generalist arthropod species, but may harm specialist species adapted to forest steppes. Plant invasions, such as milkweed, alter microclimates and vegetation structure, affecting arthropod diversity.
The first locally acquired malaria cases in the US in 20 years have been reported, highlighting the need for clinicians to be vigilant about the disease's symptoms. Malaria thrives in warmer climates and can cause serious illness and death if not treated, emphasizing the importance of rapid diagnosis and treatment.
A team of researchers from Nanjing University of Aeronautics & Astronautics developed a bionic robot that can complete smooth movement, including landing on a vertical wall, climbing along the wall, and taking off from the wall. The robot uses a flapping/rotor hybrid power layout to mimic insect's control of body posture.
Researchers have identified a genetic cause for virgin birth in female flies, allowing them to reproduce without males. The ability is passed down through generations of females and can be induced in an animal that usually reproduces sexually.
A new study suggests that replacing traditional protein sources with mealworms in high-fat diets can slow weight gain and improve immune response, inflammation, energy metabolism, and cholesterol profiles. Mealworm protein also beneficially alters the ratio of good to bad cholesterol.
Scientists at the University of Pittsburgh Center for Vaccine Research have identified a protein responsible for lethal liver disease in mice infected with Rift Valley fever virus. Removing this protein, Lrp1, from the liver prevented viral replication and extended mouse lifespan.
A recent study by Dr. Monica Mowery at Ben-Gurion University of the Negev found that urban habitats provide a safe haven for invasive brown widow spiders, protecting them from parasitism and predation. This allows the species to thrive in high densities, contrary to what is observed in natural desert habitats.
In a study published in Animal Behaviour, researchers found that male field crickets adjust their song patterns based on the proximity of rivals. When another cricket is within one meter, males are less likely to sing, suggesting they prioritize territorial defense over courtship displays.
A team of scientists led by Colleen Smith found that specialist bees focus on the most abundant plant species in an ecosystem. The study suggests that plant abundance could be a mechanism promoting specialization and speciation among bee species.
Scientists will use AI-powered monitoring stations to track species populations and assess the effectiveness of agri-environment schemes in improving biodiversity. The study aims to demonstrate how different farming systems and practices affect species populations, providing crucial evidence for sustainable land management policies.
A study by Kyoto University found that Daphnia's phenotypic plasticity is strongly related to its body size and the type of predator. Medium-sized Daphnia are more vulnerable to predation by both Chaoborus larvae and fish, which prefer larger prey.
The digitization of Johanna Bonne-Wepster's field notes has filled significant gaps in mosquito research and tropical medicine. The collection contains valuable information on vector-borne diseases and their spread, which can inform current public health issues and future disease modeling.
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.