Articles tagged with Entomology
New research highlights the importance of non-biting flies in transmitting diseases. These synanthropic flies ingest pathogens while feeding on human and animal waste, which they then store in their crop. When they regurgitate this content, it can spread illnesses to humans through food contact.
Scientists discovered the rarest North American snake, Tantilla oolitica, locked in fatal combat with a giant centipede it swallowed. The CT scan revealed that the centipede's size was the final blow, cutting off the snake's air supply.
A new study from North Carolina State University shows that soil temperature can be used to predict the spread of the corn earworm, an important pest affecting various crop species. The research reveals three geographic zones where the pest can overwinter, and models suggest that these zones will shift northward due to climate change.
UC Riverside scientists are working with Jocelyn Millar to find the avocados weevil pheromone, which could be used to monitor pests and prevent them from mating in orchards. The goal is to reduce damage to fruit and enable growers to use less insecticides.
Queen ants live much longer than workers by generating an anti-insulin protein that blocks aging pathways. This protein enables pseudoqueens, female worker ants that become queens, to reproduce and live longer without aging.
Beetles of the genus Lagria have evolved specialized 'back pockets' to store symbiotic bacteria, which are then relocated to reproductive organs during metamorphosis. The mechanism behind this process is not yet fully understood.
A newly identified species of Liberibacter, a family of bacteria known for causing citrus greening disease, is rapidly evolving its ability to infect insect hosts. The research team found 21 genes associated with infectious qualities and identified mutations affecting pilus proteins that allow the bacteria to move into host insects.
Research reveals Arisaema urashima's thread selectively reels in fungus gnats, a key pollinator, by trapping them inside the spathe. The plant's 'fishing rod' appendage also reduces fruiting rate if removed, emphasizing its crucial role in attracting primary pollinators.
Researchers have developed Fanflow4Insects, a functional annotation workflow that annotates gene functions in insects. The team has annotated the Japanese stick insect and silkworm, providing valuable information for entomological research and genome editing.
Researchers used phylogenomics to evaluate relationships among species in the B. frauenfeldi complex, concluding there are five distinct species and a continuum between B. frauenfeldi and B. albistrigata pests. The study's findings provide essential data for pest management and international agricultural trade.
The New England Center of Excellence in Vector-Borne Diseases aims to reduce tick- and mosquito-borne diseases through research, training, and community engagement. The center will leverage applied research, public health training, and community partnerships to prevent and control vector-borne diseases.
Male scorpionflies from two locations in Japan use varying mating tactics, with those from Okayama employing 'sneaking' to successfully mate. The study suggests that environmental factors and genetic components influence alternative mating habits.
A recent statewide census of California bumble bees found significant declines due to climate change, urbanization, and pesticide use. Despite finding most common species, researchers failed to locate several iconic species, including the Western bumble bee, highlighting urgent need for conservation efforts.
Researchers found that increasing serotonin levels in mosquito blood reduces their flight speed and motivation to seek second blood meals, making them less efficient vectors of malaria parasites. This discovery provides a promising new avenue for insect-targeted interventions to prevent malaria transmission.
A new study finds that monarch butterflies are stabilizing their breeding trends, with some regions experiencing population declines while others show increases. The research suggests that changing environmental variables are offsetting negative factors, such as the impact of glyphosate on monarchs.
The CDC has published a new report detailing the county-level distribution of seven diseases spread by blacklegged ticks. The map highlights areas with reported infections and those without, emphasizing the need for public awareness and prevention measures.
Researchers discovered a new species of beetle in the family Buprestidae that contributes to the production of red propolis. The beetle's larvae develop inside stems of a specific plant, and its resinous exudate is used by honey bees to make red propolis.
A growing market for pet insects is driving interest in praying mantis conservation; hobbyists and enthusiasts share valuable knowledge, while also raising concerns about the trade's regulation.
Researchers at North Carolina State University discovered that female German cockroaches averse to glucose reject male offers of body secretions containing sugars and fats. The study shows that glucose-averse females sense a bitter taste when mixing their saliva with the male secretions, ending the courtship ritual.
Researchers at the University of Birmingham found that infected fruit flies continue to engage in courtship and mating behaviors, similar to uninfected flies. The study suggests that animals may invest more in reproduction when faced with a potential life threat, potentially to pass on genes to the next generation
Scientists at UC Riverside demonstrate CRISPR technology can make permanent physical changes in the insect, passed down to three or more generations. The technology may hold promise for controlling the sharpshooter and preventing Pierce's Disease.
Scientists have partnered with park rangers in Ecuador to monitor butterfly populations, which serve as an indicator of ecosystem health. This approach aims to provide a more comprehensive understanding of biodiversity changes over time, addressing the limitations of traditional conservation methods.
A new study by Cornell University found that rare and endangered insects and spiders can be easily purchased without adequate oversight through basic internet searches. Many species, including those with valuable ecological services like ladybugs and pollinators, are being sold illegally online.
Researchers at Ohio State University discover that carbon black nanoparticles are fatal to yellow fever mosquito larvae in standing water. The material accumulates on the larvae's head, abdomen, and gut, blocking basic biological functions.
Researchers found that faster-moving ants in a raft lead to expansions and protrusions, potentially used for sensing environments. The team's findings can inform the development of intelligent swarm responses for robotics and next-generation materials.
Researchers from the University of Tsukuba have discovered that certain flavonoids inhibit an enzyme involved in the formation of a key insect hormone in the yellow fever mosquito. Flavonoids, found in plants and other organisms, also show larvicidal activity against mosquitoes.
A new study identifies at least 16 distinct wasp species previously grouped as one, Ormyrus labotus, which lays eggs in over 65 insect species. The discovery highlights the importance of seeking out hidden diversity and underscores the need for precise identification to understand ecosystem health.
Researchers discovered that robber flies employ a combination of two strategies to navigate cluttered environments and capture prey. They use an obstacle avoidance strategy to swerve around obstructions, which is then followed by a resumption of the conventional interception path once the fly has passed the obstacle.
A new species of leafhopper, Phlogis kibalensis, has been discovered in the Kibale National Park in western Uganda. The insect belongs to a rare genus that was last recorded in Central African Republic in 1969.
Researchers discovered all-female, forest-dwelling drywood termite colonies in Japan and found they evolved through human-assisted hybridization, leading to stronger offspring and double breeding. This can outcompete incumbent species, posing a risk to homeowners with drywood termite infestations.
Researchers discovered that Chaoborus larvae adjust their air-sacs' volume by changing the pH level, utilizing resilin's elastic properties. This unusual adaptation enables them to float neutrally buoyant in water.
Researchers at Rice University have discovered a new insect species, Neuroterus valhalla, alongside its fully sequenced genome. The tiny wasp spends most of the year in a crypt and has unique life cycle habits.
Researchers at North Carolina State University have discovered a unique jumping behavior in the larvae of a species of beetle, where they curl into a loop and leap forward. The mechanism behind this behavior is distinct from other insects that rely on a latch-mediated spring actuation mechanism.
Researchers discovered 70 new species, including beetles, sea slugs, ants, fish, scorpions, and flowering plants, from five continents and three oceans. The discoveries advance the Academy's mission to regenerate the natural world through science, learning, and collaboration.
A group of Croatian students used photographs from iNaturalist to describe a new species of pygmy grasshopper, challenging traditional methods. The study highlights the potential of citizen science and encourages people to engage with nature to raise awareness about conservation.
A study by UC Riverside scientists has identified a set of genes on a single chromosome associated with the production of male or female offspring in ant colonies. The discovery sheds light on the complex relationships between genetics and environmental factors in shaping the sex ratio of these societies.
Researchers employed radiocarbon analysis to determine springtail diet, finding they rely on living plants for food. The study sheds light on the soil food web and its dynamics, with implications for terrestrial carbon cycling.
Researchers discovered a new species of parasitoid wasp that forms star-shaped cocoon masses suspended by threads up to 1 meter long, providing protection against natural enemies. The structure can accommodate over 100 cocoons and is believed to help the wasps survive during critical periods.
Researchers discovered that these 'meat-eating' bees have a unique gut microbiome enriched with acid-loving bacteria, similar to those found in vultures. The bees' ability to eat dead bodies is surprising, but they can also store honey and have special chambers for meat storage.
A previously unknown glacial relic, the Alpine rose leaf-miner moth, has been discovered in the Alps. The caterpillars specialize on the rust-red alpine rose, avoiding it like most other moths and butterflies due to its toxicity.
A new study reveals that climate change is altering the balance of microbes in nectar, making it less palatable for bumblebees. This could lead to a decline in pollinator populations and affect human health by reducing fresh food availability.
Researchers from Wellesley College discovered that honey bees (Apis cerana) produce unique sounds, including 'antipredator pipes', to warn fellow bees of giant hornet threats. These signals result in increased bee activity and defense actions against the attackers.
Researchers discovered that a single protein, Kr-h1, responds to socially regulated hormones to orchestrate the complex social transition in Harpegnathos saltator ants. The study reveals important roles for gene regulation and hormone response in controlling animal brains' plasticity.
A recent USDA study analyzed two centuries of alien species discoveries to estimate the rate of new insect arrivals and potential future invasions. The research found that efforts to reduce biological hitchhiking on live plant imports have been successful, but a significant number of Hemiptera insects remain undetected.
Researchers found that honeybee colonies modify their social interactions and movement patterns in response to parasite infestations, increasing social distance between young and old bees. This adaptation helps reduce the spread of diseases while maintaining beneficial social behaviors.
Scientists discover 28 new species of Trigonopterus beetles, including T. corona, named after the coronavirus and Star Wars characters. The discovery fills a gap in understanding Sulawesi's geological history and biodiversity.
A severe upsurge of desert locusts in 2019-2020 caused $3.4 billion to $10.21 billion in monetary losses and severe acute food insecurity for over 3 million people in Pakistan. The authors suggest improving the prevention system, developing compensatory measures, and increasing the use of alternative pesticides.
Researchers tested spider silk from seven species and found no signs of antimicrobial activity, casting doubt on previous reports. The team attributed methodological shortcomings to compromised studies, suggesting that the silk may serve as a physical barrier rather than an intrinsic antimicrobial agent.
Researchers at the University of California - Riverside discovered that hummingbirds can avoid insects with defensive compounds, such as formic acid, which harm birds. The study shows that scent plays a crucial role in hummingbird foraging decisions and ecosystem function.
Researchers tracked insect evolution with major Pacific Ocean currents, revealing species adapted to different conditions. Genetic analysis of ocean skaters found distinct variations among species, mirroring changes in currents and climate.
A study found that palm phytoplasmas in Florida were transmitted by the American palm cixiid bug, originating from Jamaica. The research revealed a network of movement across the Caribbean basin, with distinct groups of insects found in different countries.
Researchers have developed a way to bottle the 'smell of fear' produced by predators to repel and disrupt destructive insects. The odor blend can be used in essential oil diffusers to spread over time across gardens or fields, offering a natural alternative to pesticides.
Researchers discovered that Neuropeptide F (NPF) in fruit flies controls sugar and fat metabolism through glucagon-like and insulin-like hormones. The study reveals similarities between insect and mammalian metabolic processes.
A new beetle species, Pulchritudo attenboroughi, was identified in a fossil from the Green River Formation in Colorado, with its unique beauty and preserved patterns making it an exceptional find. The beetle was named after Sir David Attenborough, who inspired its discoverers.
A recent UC Riverside study reveals that neonicotinoids, commonly used in commercial plant nurseries, are deadly to bees regardless of watering levels. The research found a 90% decrease in bee reproduction with both high and low irrigation levels, highlighting the need for alternative management practices to reduce harm to pollinators.
New research shows that certain types of urban greening efforts can support multiple ecosystem services provided by plants and insects. Large green spaces with native plants, particularly flowering prairies, are ideal for conserving native bees and predatory wasps.
Researchers successfully tested gene drive technology to control malaria-carrying mosquitoes in large cages mimicking natural environments. The technology, which spreads a genetic modification blocking female reproduction, worked as expected and showed significant population decline within one year.
A new species of alpine moth has been discovered in the Alps, with its discovery resolving a 180-year-old mystery. The moth, named Dichrorampha velata, was found to be different from a previously known species and had to be described as new to science.
Entomologists say pairing solar energy with pollinator habitat has great promise, but standards are key to making it successful. Research suggests surrounding vegetation can boost solar panel efficiency, but more analysis is needed.
Researchers at Virginia Tech have discovered a new species of millipede, Nannaria hokie, living on campus and in nearby woods. The discovery highlights the importance of preserving native habitats and showcases the diversity of these often-overlooked creatures.