Articles tagged with Insects
A study by University of Utah researchers found that birds eat fewer invertebrates in coffee plantations than in forests, threatening their survival. The disturbance of ecosystems significantly impacts dietary options, leading to reduced survival and population declines.
Researchers at the University of California - Riverside have discovered a way to deactivate mosquito sperm, preventing them from swimming to or fertilizing eggs. This breakthrough could help control populations of Culex mosquitoes that transmit infectious diseases like encephalitis and West Nile Virus.
Researchers from Xi'an Jiaotong-Liverpool University identify vital differences between the plants, including pollinators and lifespan, confirming their classification. The study highlights the importance of recognizing every species for conservation programs.
Researchers discovered that jewel beetles have duplicated genes allowing them to see new colors, including ultraviolet and blue light. This evolution likely occurred after the loss of blue vision in beetle ancestors around 300 million years ago.
A new fossil discovery dating back 247 million years provides the earliest evidence of dipterans, including mosquitoes and flies. The immature insect's preserved breathing system offers insights into its adaptations to a post-apocalyptic environment.
Researchers have completed the most advanced brain map to date, tracing every neural connection in the brain of a larval fruit fly. The team's achievement is expected to underpin future brain research and inspire new machine learning architectures.
A study reveals that plant roots are crucial for belowground life in the tropics, supporting decomposition and soil health. Removing living roots decreases animal abundance by 42% in rainforest plots and 30% in plantations.
Researchers discovered that wasps lower the pH level of their developing gall to acidic levels similar to those found in pitcher plants, potentially using it as a defense mechanism against predators. The study reveals a novel manipulation of host-plant chemistry, where malic acid accumulation and low pH levels deter enemies.
Researchers discovered that glassy-winged sharpshooters use a 'superpropulsion' mechanism to launch droplets of pee at high speeds, conserving energy in the process. This innovative strategy helps the insect efficiently excrete its 99% water fluid waste.
Researchers found that indoor refrigeration units increased queen survival rates and reduced maintenance needs compared to outdoor storage. The study suggests that 'queen banking' could be a key strategy for strengthening honey bee survival in the face of a changing climate.
Researchers at Yale University have discovered a volatile pheromone emitted by the tsetse fly, which could be used to control their populations and slow the spread of diseases like African sleeping sickness and nagana.
Scientists have found the first fossil evidence of plants' leaves folding up at night, a behavior known as foliar nyctinasty. This discovery provides insight into the evolution and ecology of plants with this unique characteristic, which may offer ecological benefits to the parent plant.
Researchers have developed a new synthetic skin, made of hydrogels, to study how mosquitoes transmit deadly diseases. The hydrogel system can mimic different blood vessel patterns, allowing for more consistent testing and analysis. This breakthrough may help identify ways to prevent the spread of disease.
A Lund University study finds that temperate regions have larger insects due to bird predation pressure and temperature, reversing a 200-million-year-old trend. This shift helps explain the global variation in body size among dragonflies and damselflies.
A new study by the University of Exeter found that a small red-eyed damselfly from Europe has established itself in the UK without harming native species. Most native dragonflies and damselflies were either found more often or unchanged in areas colonized by the newcomer.
A new biomaterial platform mimics human skin to analyze mosquito feeding behavior, using machine learning models and video monitoring. The results show an average precision of 92.5%, with potential applications for developing more effective repellents to combat diseases.
Researchers at the University of Arizona found that rock ants follow a methodical search strategy, combining systematized meandering with random movement to efficiently explore new areas. This unique behavior may provide insights into the evolution of exploration strategies in other species.
A severe begomovirus-satellite DNA disease complex has been detected in okra fields in the lower Rio Grande Valley area of Texas, posing a significant threat to cotton production. The complex involves the exotic cotton leaf curl Gezira virus and its associated satellite DNA molecules.
Scientists at the Smithsonian Tropical Research Institute found that matador bugs wave their legs to signal aggression or to advertise their toxicity to predators, not for sexual attraction. The study revealed no differences in waving behavior between males and females.
A new study found that 76% of global insect species are not adequately covered by protected areas. This underrepresentation is particularly concerning for critically endangered insects, with some species having no overlap with protected areas at all.
Researchers found that rock ants display a striking regular meandering pattern when exploring their surroundings, combining systematic movement with random walks. This behavior may make their search more efficient by reducing the frequency of crossing their own paths.
Scientists have recorded two new caddisfly species in Thailand, expanding the country's known fauna by 10 documented representatives. The newly discovered species are Diplectrona erinya and Diplectrona extrema, both belonging to the genus Diplectrona.
Scientists have identified horizontally transferred genes in insect genomes as valid targets for selectively killing green peach aphids and whiteflies. Silencing these genes using RNA interference reduces pest survival by up to 40%, with potential expansion to other insects through 'stacking' multiple targets.
Researchers have designed new mosquito repellents that surpass DEET's effectiveness while minimizing its drawbacks. The compounds provide human volunteers with over 95% protection from bites for at least eight hours, making them a promising alternative to traditional repellents.
A survey of 1,034 people found that most believe insects can be a sustainable source of protein in the future. Key factors improving acceptance include preparation methods and information on insect potential as a food source.
Researchers found that flower patterns guide bumblebees' approach flight and landing, reducing search time by up to 30%. The patterns also shorten the time until take-off, allowing bees to quickly orient themselves for departure.
Researchers at North Carolina State University found that ants do not adjust their behavior in response to rising temperatures, persisting in sub-optimal microhabitats. The study suggests that ants may not be able to adapt to warmer ecosystems, with potential implications for forest ecosystems.
A new species of aquatic insect, Potamophylax humoinsapiens, has been discovered in the Sharr Mountains of Kosovo. The species was named to raise awareness about human activities that have degraded habitats and led to extinction. Researchers hope this naming convention will make insects 'talk' to humanity's collective consciousness.
Researchers have documented cases of Japanese macaques hunting and eating fish in the Kamikochi region of Japan, suggesting an evolutionary adaptation to harsh winter conditions. The behavior appears to be an extension of existing feeding habits on vegetation and aquatic plants, with potential implications for future generations.
Scientists at UC Riverside have discovered that volatile repellents containing ammonia and amines can be used to combat insect-borne diseases by disrupting their sense of smell and taste. The research found that these compounds can silence olfactory neurons in mosquitoes, preventing them from detecting human skin odor.
Researchers tracked tweets about two invasive insects, spotted lanternfly and Tuta absoluta, on Twitter and in news stories. They found that activity patterns on these platforms aligned with official surveys, providing insights into pest spread timing and location.
Research reveals dramatic shifts in pollinators across the last century, with hoverflies and moths becoming less frequent visitors to flowers, replaced by flies of the genus Thricops. The findings suggest that plants may be able to compensate for these losses, but changes in insect communities could lead to reduced pollination services.
The report highlights that European taxonomic expertise is declining, with nearly half of insect orders not covered by sufficient scientists. The lack of expertise correlates with GDP and is more pronounced in biodiverse countries, posing significant problems for species conservation.
A recent study on fossil katydids from the Mesozoic Era provides novel insights into the evolution of acoustic organs and behavior. The research team discovered exceptionally preserved Mesozoic katydids with the earliest known insect ears, extending the age range of modern-type auditory tympana by 100 million years.
A new genus of scorpionflies has been discovered in Nepal, characterized by a spindly and extremely elongated abdomen. The males have long grasping pincers for mating, while the females lack these distinctive features, making classification more challenging.
Researchers found the emerald ash borer completes its life cycle in one year in North Carolina, contrasting with a two-year cycle in northern US. This knowledge will aid in releasing parasitoid wasps to manage the insect.
Through its Integrated Pest Management program, WVU Extension educates growers on safe techniques, including barriers, insect traps, and predatory insects. The goal is to reduce pesticide use and promote environmentally friendly practices.
Researchers develop a new method to track disease-carrying mosquitoes by ingesting harmless DNA particles, providing unique fingerprints of information. This innovative approach has the potential to revolutionize mosquito-borne disease surveillance and tracking, offering insights into mosquito movement and hotspots.
A study characterizes secreted proteins from Candidatus Liberibacter solanacearum, a newly emerging pathogen of tomato and potato. The proteins, called effectors, offer clues into the manipulation tactics used by the bacterium to subdue its plant host.
Researchers used weather radar to track bird movements and found peak roosting stages shifting earlier due to warmer temperatures. This shift may lead to a shortened pre-migratory season, impacting birds' survival during migration.
Research found that air pollution from diesel exhaust and ozone significantly reduces the reproductive success of parasitic wasps controlling aphids on oilseed rape plants. The pollutants alter plant chemistry, attracting a specific wasp species more successfully.
A new study has found that springtails' jumping, soaring, and landing patterns are precise and controlled, with some species able to land on their feet. The research, led by Victor Ortega Jiménez, aims to teach robots how to replicate this ability.
A recent study by 70 scientists highlights the devastating effects of climate change on insects, which play critical roles in ecosystems. Gradual warming and extreme events harm insects, affecting their physiology, behavior, and interactions with other species.
A team of 70 scientists warns that climate change will drastically reduce the ability to build a sustainable future based on healthy ecosystems. Insects face extinction and ecosystem disruption due to global warming and extreme weather events.
A new study found that bats play a crucial role in protecting young tree seedlings from insect damage, with three times fewer bugs and five times more defoliation when bats are absent. The research reveals a mutually beneficial relationship between bats and oak trees, with bats serving as a key predator for insects that harm the trees.
A new study by Pitt mathematicians uses math borrowed from neuroscience to describe how swarms of synchronous fireflies coordinate their light show. The researchers found that varying distances between fireflies affects the resulting blinks, producing patterns like ripples or spirals.
Researchers found that 90% of surveyed individuals did not recognize six out of seven endangered species. Increasing public knowledge and recognition can boost conservation support for these vulnerable animals. The study highlights the need for targeted marketing initiatives to change people's perception of lesser-known species.
A new paper highlights the crucial role insects play in ecosystems, including pollination, food sources, and mental health benefits. The authors advocate for a shift in public perception of insects, citing government inaction on biodiversity policy, and outline strategic priorities to support insect conservation.
Researchers discovered that two approved insecticides can damage honey bees' intestinal flora, making them more susceptible to disease. The study highlights the need for rigorous research on pesticide effects on beneficial insects before approval.
Researchers developed a new principle for estimating gravity direction in flying insects and drones by combining optical flow with movement modeling. This allows them to determine the direction of gravity in most situations except when completely stationary, which destabilizes their flight.
Researchers have created a wearable insect repellent by encapsulating IR3535 in biodegradable polymer and shaping it into a ring or bracelet. The repellent continuously evaporates, forming a barrier for insects, offering several hours of protection.
Insect larvae may contribute to microplastic pollution in rivers by chewing up litter. Researchers found that larvae use sharp teeth to break down plastic into smaller pieces, building their protective casing.
A recent study found that insect herbivores have caused more damage to plant matter from leaves in recent history than millions of years ago. The frequency of leaf damage by insects among forest plants in recent history is more than twice that of vegetation from the Pleistocene and Late Cretaceous periods.
Scientists at Tianjin University have discovered a way to make silkworm silk 70% stronger than spider silk by removing its sticky outer layer and manually spinning it. This breakthrough could lead to the production of profitable high-performance artificial silks, revolutionizing industries such as biomedicine and tissue regeneration.
Predatory mosquito larvae employ two distinct methods to capture prey: one involves a harpoon-like head-propulsion action, while the other uses a sweeping tail to snare insects. This new research provides insight into the behavior of these tiny predators and their ability to feed on other aquatic insects.
Excess ground-level ozone damages plant foliage, alters flowering patterns, and blocks pollinators' access to flowers. Ozone also disrupts plant-pollinator communication through altered chemical signatures.
Researchers have isolated a new fungus, Beauveria caledonica, that can be used for biological control of banana borers and Fusarium wilt, two major threats to tropical and subtropical crops. The fungus produces a secondary compound called oosporein, which intensifies its action against the disease.
Researchers discover that male spotted lanternflies are strongly attracted to the smell of honeydew produced by male conspecifics, emitting specific sex-attractant profiles. This finding may lead to the development of new pest management tools to reduce the population and spread of this invasive species.
A recent study found that climate change could increase suitable habitat for the brown marmorated stink bug in the US by 70%. The insects are a generalist herbivore, known to feast on nearly 170 different plants, including crops and ornamental plants.
Higher temperatures shorten the lifespan of fig wasps, making it difficult for them to pollinate fig trees. This could have major consequences for animals in tropical forests that rely on figs as a food source.