Articles tagged with Insects
A new University of Vermont study reveals that certain essential oils, including garlic, spearmint, and thyme, can effectively repel the swede midge pest from broccoli crops. The study provides a novel framework for exploiting plant odors to manage invasive pests, offering a sustainable solution for organic farmers.
Researchers at Penn State found that plants can induce 'leaky gut syndrome' in insects by disrupting their protective gut barriers. This can lead to septicemia or an immune response that weakens the insect, providing a new strategy for plant defenses.
Researchers in Japan are utilizing creepy-crawlies to study human disease, develop diagnostic kits and create sustainable fertilizers. Genome Pharmaceuticals Institute uses silkworms to identify compounds for treating infections and boosting immune systems.
A moth caterpillar uses acids and scraping behaviors to disable latex defense systems in poinsettia plants, allowing it to feed safely. This unique strategy is thought to have evolved as a result of co-opting an existing anti-predator deterrent.
Research reveals scorpionfly species are not separate, but have evolved different forms to adapt to altitude and climate. The study uses Bayesian simulations and phylogenetic analyses to estimate divergence time of Japanese scorpionfly lineages.
Research found that female bedbugs can cleverly manage their immune systems in anticipation of mating-related infection, allowing them to resist traumatic insemination and improve reproductive success. This ability may also be shared by other insects and could help control bedbug populations.
A new report highlights edible insects as a viable option for meeting growing global demand for food in a sustainable way. The benefits of increasing insect consumption have been explored, but technological and processing approaches are needed to overcome commercialization barriers.
Researchers at KAUST have developed water-wet materials with gas-entrapping pores that allow for simultaneous separation of hot, salty and cool, pure water. The new membrane technology uses common plastics like PMMA and has the potential to unlock greener, cheaper desalination processes.
Researchers at Newcastle University have identified neurons in praying mantises that enable complex 3D perception, enabling more efficient algorithms for machine vision. The discovery provides new insights into the neural basis of depth perception in insects, shedding light on how these tiny brains process spatial information.
Agricultural pesticides reduced aquatic insect biodiversity but increased mosquito density, particularly for the pesticide-resistant Wyeomyia abebala. Pesticide use led to the loss of predators, allowing these mosquitoes to colonize habitats without competitors.
Researchers create mathematical framework to estimate cost-benefit trade-off of seeking shade in a warming world. The framework predicts that 17 insect species will experience 'behavioral rescue' and improve their fitness, while 19 are likely to be negatively impacted by rising temperatures.
Aphids and insect-infecting viruses like PLRV and MpDNV transmit crop damage worth billions annually. Researchers found a cooperative relationship between the two, increasing the likelihood of viral spread.
Researchers at the University of Guelph discovered that meat-eating pitcher plants in Algonquin Park wetlands consume not just bugs but also young salamanders. The plants' digestive enzymes break down prey, which may help them obtain essential nutrients like nitrogen from poor bog soil.
Research reveals that pop-up parks (PUPs) can significantly boost insect and spider diversity, providing habitat refuges for threatened species. PUPs also offer social benefits, including opportunities for physical and psychological restoration, and increased time spent outdoors.
Deer keds, a type of parasite fly that occasionally bites humans, have been found in more locations than previously thought, according to Penn State researchers. The team mapped their distribution across North America, documenting new state and county records, and warned that they may transmit disease-causing bacteria.
Researchers propose lab-grown insect meat as a solution to environmental concerns, combining benefits of insect farming, GM livestock and plant-based meat substitutes. The technology requires fewer resources and less energy-intensive control, with potential for mass food production and scalable cost-effectiveness.
Bats use echolocation by emitting ultrasonic signals and analyzing echoes to detect objects, but their navigational system relies on a surprisingly small amount of spatial information. This allows them to navigate effectively despite receiving an 'extremely fuzzy picture' of their environment.
Researchers create comprehensive database of land use change and its impact on plant and insect life in the British Isles. The study aims to provide long-term context for current trends in biodiversity and inform conservation practices.
Researchers at Kanazawa University found that inactivating the mosquito salivary protein AAPP significantly reduces mosquito feeding behavior, prolonging probing times and fluid excretion. This reduces egg production but does not affect malarial parasite development.
Researchers developed flying robots inspired by hummingbirds, trained with machine learning algorithms to mimic natural bird behavior. The robots can fly silently, maneuver through cluttered spaces, and even teach themselves new skills without human intervention.
Rainer Hedrich's new project aims to investigate the molecular mechanisms underlying frequency-dependent decision making in Dionaea, using mutants with disturbed stimuli transmission. The researcher hopes to determine the cellular basis for counting and decision-making in plants.
Two fungal pathogens, Batkoa major and Beauveria bassiana, have been found to decimate spotted lanternfly populations near Reading, Pennsylvania. These native fungi could be used to develop environmentally-friendly control methods for the invasive species.
Researchers from James Cook University analyzed 40,000-year-old bat faeces for clues about the landscape's past biodiversity. The study supports the corridor theory, suggesting a savanna corridor divided the former continent of Sundaland.
Mosquitoes repel from DEET on contact when legs come into contact with skin, according to a recent study. This discovery could lead to the development of more effective and longer-lasting insect repellents.
A recent study found that mixing different cultivars of St. Augustinegrass reduced fall armyworm infestations in lawns. The researchers discovered that the caterpillars preferred single-variety plantings, but when multiple cultivars were planted together, it created a more pest-resistant lawn.
A research group has identified the gene responsible for the formation of nanopores in fruit flies, allowing them to detect chemicals in the air. The gore-tex gene plays a crucial role in envelope curvature and odor receptivity, essential functions for insects.
Researchers found that spotted lanternflies create level or gradually descending straight-line flight paths, averaging 75 feet in length. The insects tend to orient strongly to nearby visual landmarks and begin feeding immediately after landing.
Research reveals that increased plant species lead to higher insect species richness and abundance, challenging current management practices for ecosystem conservation.
Researchers found that flavonoids, produced by sorghum plants to defend against insect feeding, are effective in repelling corn leaf aphids. The compounds are not present in the phloem but in epidermal cells, where they can be taken up by insects and lead to their demise.
German scientists discovered two new species of rare giant stick insects in Madagascar's dry forests, with males exhibiting dazzling blue or multicolored armor. Genetic tests confirm the existence of two new species, challenging previous theories on stick insect evolution and raising questions about their reproductive strategies.
A Jurassic fossil find reveals that insects began serving as pollinators before the emergence of flowering plants. The ancient fly's proboscis was used to access sugary secretions in ancient gymnosperms, laying the foundation for pollination mutualism.
A University of Delaware study found that certain native tree species provide better food resources for insects and attract migratory birds to coffee farms. Shade-grown coffee farms can serve as habitat refuges for wildlife, improving farm productivity and biodiversity.
Researchers found that whitefly-infested plants release volatiles that suppress jasmonic acid-dependent defenses and increase salicylic acid levels in neighboring plants. This allows the whiteflies to develop faster and supports their next generation.
Researchers found that caterpillars ingest soil and retain a microbiome similar to the soil itself, allowing them to access 'voicemails' left behind by plants. This discovery sheds light on the impact of soil legacy on insect health and has potential applications for agriculture.
A recent review paper predicted nearly half of the world's insects would go extinct due to a rapid decline. However, scientists have identified major flaws in the study's methodology, including query- and geographically-biased summaries, mismatched objectives and cited literature, and misuse of existing conservation data.
Researchers found that increased dust loads result in decreased chewing efficiency in chimpanzees. The consumption of dust-covered foods created micrometer-scale surface texture features on cheek teeth, leading to larger mean fecal particle sizes.
Scientists at The University of Toledo found that insects manipulate grape vines' reproductive programs to create a leaf gall, providing a protected space for the parasite. This discovery opens possibilities for protecting wine and raisin production from agricultural pests.
Scientists have discovered biologically active compounds in marine invertebrates that exhibit strong antitumor and antimicrobial properties. These compounds show potential as new treatments for cancer and can also be used to develop effective insecticides.
A new method using quantum dots tracks individual pollen grains, providing insights into the mysterious journey of pollen. Researchers can now observe where most pollen grains land up once they leave flowers.
Researchers found that slits less than 3mm wide and holes less than 7mm wide can successfully exclude most brown marmorated stink bugs. The study provides guidance on how to keep stink bugs out of homes and buildings.
Scientists have discovered a new genus and species of mosquito in Myanmar amber dating back 100 million years, indicating that anopheline mosquitoes were present during this time period. This finding sheds light on the history of malaria and may offer clues on how its modern-day life cycle evolved.
Researchers discovered that spittlebug nymphs use their foam bubbles to breathe, but only protrude their abdomens when startled. The insects can also consume oxygen within the larger bubble chamber during their final life stage.
Spotted lanternflies modify their diet and coloration to become distasteful and signal this to predators. The insects accumulate specific chemicals from tree juices, making them toxic to birds, which learn to avoid them based on their bright colors.
A University of Oklahoma study found that insects not only crave salt but also search for it in their habitats. The researchers discovered that insects from 'bland to salty' grasslands were attracted to plots with simulated cow urine, indicating a preference for sodium.
A new study from the University of Eastern Finland examines consumers' intentions to consume foods of insect origin among vegans, non-vegan vegetarians, and omnivores. Vegans held the most rigid negative attitude toward consuming foods of insect origin, while non-vegan vegetarians showed the most positive attitude towards eating insects.
University of Utah engineers create low-power sensors that can detect organic compounds emitted by corn plants when attacked by insects or weeds. These sensors will alert farmers to potential threats, potentially increasing crop yields and reducing damage to biomass production.
Researchers found that body-painting provides protection against bloodsucking insects, with white stripes repelling them more effectively. The discovery is based on experiments using plastic models and may have ancient origins, as similar markings were found on Neanderthal cave walls.
A study reveals that winged insects likely evolved from a ground-dwelling common ancestor with long antennae and segmented abdominal appendages. The findings suggest that wings did not evolve in aquatic environments, but rather for aerial descent, as the ancestral Pterygota species returned to life on the ground.
A study of the European gypsy moth genome found divergent proteins involved in muscle development, which may affect flight. The research also identified altered gene expression in response to viral infections, suggesting new avenues for biological control.
Researchers studied wild crickets for ten years and found that those who invested more in reproduction showed signs of aging, including reduced chirping and increased fighting losses. The study suggests that aging may be driven by energy allocation towards reproduction rather than decline, challenging the idea that aging is inevitable.
Researchers have created bioinspired artificial compound eyes with improved visual properties, enabling better motion detection and light sensitivity. The innovative structure consists of tiny independent repeating visual receptors called ommatidia, grown on top of convex glass domes with antireflective and water-repellent nanostructures.
Researchers found that small limbs like insect legs can execute fast movements without central nervous system control, thanks to dynamic passive forces generated by the flexor muscle. These findings contradict previous notions of how small limbs move quickly and highlight the importance of active-muscle and opponent interactions.
New research reveals that plants are highly sensitive to touch, with repeated touching retarding growth by up to 30%. The study found that a major genetic defense response is triggered within 30 minutes of being touched, altering 10% of the plant's genome.
A research study published in Ecology Letters found that plants using a mix of chemical compounds for defense are more effective at deterring insect pests than those relying on single compounds. The type of bouquet matters, with blends having multiple defensive chemicals reducing damage by up to 37%.
Researchers Max Mikel-Stites and Anne Staples investigated Ant-Man's microscale respiration, finding that superhero suits contain a combination of air pumps, compressors, and molecular filters to breathe while insect-sized. Their study could lead to new microfluidic technologies with potential consumer benefits.
Researchers analyzed evolutionary relationships among hemipteroid insects, revealing diversification around the Carboniferous period. The placement of Psocodea in the tree remains unresolved.
Researchers found vast network of interconnected termite mounds in northeastern Brazil, covering area similar to Great Britain, with soil excavated over 10 cubic kilometers. The mounds are up to 4,000 years old and were formed by a single termite species that accessed dead leaves safely.
Researchers used radar data to observe wildlife behavior during the eclipse, finding a decrease in daytime activity but no increase in nighttime activity. Insect and bird behavior was stifled by the sunset-like sky produced by the eclipse, with some sites experiencing a sudden burst of activity during totality.
Researchers from the University of Barcelona used chironomid subfossils to reconstruct Holocene temperatures in the Iberian Peninsula, showing a rise in temperatures during the Holocene Climate Optimum and a decline after its onset. The study provides a promising tool for understanding climate evolution and natural changes.
Researchers at New Mexico State University have developed an optimal protocol for shipping and handling mosquitoes for population control methods. Tightly packing mosquitoes at a rate of about 240 per cubic centimeter resulted in the highest survival rates.