Articles tagged with Beetles
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A UBC study has identified genes that allow the blue stain fungus Grosmannia clavigera to bypass lodgepole pine's natural fungicide, enabling it to infect and kill trees. This knowledge could inform strategies to prevent future outbreaks of mountain pine beetles.
Researchers discover two new species of 'leaping' beetles in New Caledonia that feed on previously unknown plants. The study used DNA sequencing to identify the diet of these herbivorous insects, revealing a secret botanical diversity on the island.
Ecologists developed a series of new methods to monitor stag beetle numbers using ginger lures and tiny microphones detecting larvae sounds. These methods offer promise for conserving this rare species by providing an accurate picture of its abundance.
Researchers at the University of Illinois St. Charles Horticulture Research Center are developing new wine grape varieties that can grow in cooler climates with reduced disease resistance. The goal is to create a good wine grape that requires less use of pesticides, improving profits for the Illinois wine industry.
A University of Florida study reveals that trees with sequential ant partners produce more offspring than those with lifelong associations. The research shows that even 'cheating' ants can be beneficial by causing trees to produce seeds before being killed, and another ant species defends the tree but later allows it to reproduce.
The risk of beetle outbreaks in western North America's forests is expected to increase significantly due to rising temperatures. Climate change is projected to boost spruce and mountain pine beetles' populations, leading to widespread tree mortality.
Researchers used Landsat data to map areas hardest hit by mountain pine beetles and found that large fires do not appear to occur more often or with greater severity. Beetle-killed forest swaths may actually be less likely to burn due to the breakdown of flammable volatile oils, and standing dead tree trunks can act as natural fire logs.
A 10-year study of an organic coffee farm in Mexico uncovered intricate interactions between ants, beetles, and other species that buffer the farm against extreme outbreaks of pests and diseases. The complex web buffers the farm against magic bullets necessary for modern agriculture.
The larvae of the sunburst diving beetle have been found to possess bifocal lenses in four of their twelve eyes, allowing for efficient switching between close-up and distance vision. This discovery has implications for biomedical engineering and imaging technology, with potential applications for humans.
A new species of beetle, Himalusa thailandensis, has been found to feed on the invasive skunk vine, causing significant foliar damage. This discovery presents a potential biocontrol solution for controlling the spread of this invasive weed in the southern United States.
Researchers have found that a tiny alien insect pest called cycad aulacaspis scale (CAS) can hide in hard-to-reach areas of native cycad plants, allowing it to evade natural enemies. The study's findings suggest the need for a new biological control organism that can target CAS in its secret hiding places.
A new study by the University of East Anglia found that inbred male sperm fertilized fewer eggs when competing with non-inbred males. Inbreeding depression revealed itself in competitive scenarios, potentially affecting conservation and captive breeding projects.
Scientists have found that geraniums can paralyze the Japanese beetle, a pest feeding on ornamentals, soybeans, and other crops. The beetles typically recover within 24 hours after being paralyzed, but often succumb to predators under field conditions.
The western corn rootworm beetle can survive on Miscanthus x giganteus, a potential biofuels crop grown alongside corn. This finding could impact corn production and lead to devastating consequences if the plant becomes a vast reservoir of rootworm beetles.
Researchers have isolated a novel antifreeze molecule, xylomannan, from an Alaskan beetle that can survive temperatures below -100 degrees Fahrenheit. The discovery offers hope for developing new methods to resist freezing and has implications for understanding cell membrane function.
Graduate student Scott Egan and his adviser Daniel Funk found that maple and willow leaf beetles diverging into two new species due to ecological habits promoting speciation. The study shows hybrids' lower fitness reduces genetic exchange opportunities between beetle types, pushing groups toward distinct species.
UOG scientists have employed new tactics to combat the coconut rhinoceros beetle (CRB) invasion, including the use of canine teams and a bio-control virus. The efforts aim to drive the population to zero, with the latest strategy targeting breeding sites using trained dogs and destroying debris.
Researchers found genetically modified squash are more susceptible to bacterial wilt disease due to increased feeding by cucumber beetles. The study suggests that the fitness advantage of virus-resistant crops comes at a price, with unintended consequences for biodiversity.
Researchers found no support for theory that female choice is connected to 'good genes', suggesting females resist mating attempts primarily for their own benefit. Females with increased ability to reject males had higher fitness, while inadvertent selection for male persistence played a minor role.
Researchers at UBC have developed a new genome sequencing technique that could boost the fight against mountain pine beetles and improve cancer research. The method uses cutting-edge hardware with novel software to compile genome sequences at a fraction of the cost of previous methods.
A new study reveals consumers project motives onto brands, finding authenticity in unexpected places like The Simpsons and SUVs. Consumers' identity goals underpin their assessments of brand authenticity, highlighting the subjective nature of this concept.
New research reveals that ground beetles produce limonene, a natural repellent used by dogs, cats, and other animals, as a major defensive chemical. The beetle's pygidial gland produces a complex mixture of monoterpenes, including limonene and toluquinone, which acts as a permeation enhancer for the benzoquinone-based repellent.
Researchers studied 30 million-year-old fossil 'mega-dung' from extinct giant mammals, finding evidence of ecological interactions and theft by other animals. The study reveals a dung-based ecosystem going on under the noses of giant herbivores.
A new study on seed beetles reveals that low genetic quality males are more successful in fertilizing eggs, contrary to predictions. Females' multiple mating does not guarantee the sperm of the highest genetic male.
Researchers have developed a new white paper coating inspired by the Cyphochilus beetle's shell, which produces a bright and efficient whiteness. The coating uses a unique structure to scatter white light, resulting in a lighter weight paper with high whiteness, potentially reducing costs.
A £400,000 project is using flour beetles to experimentally evaluate the impact of inbreeding on population viability. The research aims to identify which reproductive traits are affected by inbreeding and how they can be managed or reversed to rescue endangered populations.
Two ancient genes in beetles were found to be co-opted for a new trait, challenging the idea that fundamental genes cannot acquire new functions. The study also suggests that developmental genes are candidates for recruitment and may not be as constraining as previously thought.
A new species of diving beetle, Agaporomorphus colberti, has been named in honor of Stephen Colbert. This recognition highlights the importance of biodiversity and taxonomy, as there are an estimated 10 million to 100 million species on Earth that remain undiscovered.
A rare beetle, Agrilus coxalis, has attacked 67 percent of oak trees in an area east of San Diego, threatening fire danger and wildlife habitats. The beetle's origin and spread are still unknown, but research is needed to determine its distribution, seasonal active periods, and natural enemies.
Researchers used acoustic equipment to analyze the spectral patterns of stridulations produced by Guam's coconut rhinoceros beetle, revealing distinct temporal patterns that aid in communication among beetles. The method allows for early detection of feeding grubs, saving money and lives of coconut trees.
Researchers successfully used satellite images to monitor the extent of saltcedar leaf beetle defoliation on tamarisk. The study suggests that controlling tamarisk through beetle release may have unexpected environmental repercussions.
Researchers found that Al-plastic mulch and companion plants increase watermelon and muskmelon yields while reducing cucumber beetles. The study suggests that these organic methods can be effective in controlling pest populations, potentially leading to increased crop productivity.
A study on seed beetles found that inbreeding extends male lifespan while shortening female lifespan. The researchers suggest that sex-specific selection may be the underlying cause of these differences.
A study by the USDA Forest Service found that aerial application of laminated flakes containing verbenone reduced mountain pine beetle attack rates by three-fold in California and Idaho. The technique could provide a large-scale solution to slow the spread of the beetles, which are devastating lodgepole pine stands across the West.
A new study has found that tree deaths in the West's old-growth forests have more than doubled in recent decades due to regional warming and related drought conditions. The research team measured tree deaths in all sizes at varying elevations, including tree types such as pine, fir, and hemlock.
A University of Pittsburgh research team designed a propulsion system harnessing natural surface tension to propel small boats and robots. The technique uses an electric pulse to destabilize surface tension, causing the craft to move via the water's natural pull.
A new study found that smaller male redback spiders have a ten-times higher paternity rate than larger males when given an early start. This is because they mature faster and are quicker on their feet, allowing them to compete effectively.
Entomologist Dave Kavanaugh finds that climate change has altered the habitats of his beloved beetle species, forcing them to seek new rocky patches above tree-line. He documented 85 North American Nebria beetles, many of which were previously unknown or absent due to habitat shifts.
The study found genetic influences on parenting styles, with females tending to direct care and males taking indirect care. This specialization helps form an efficient family unit, reducing conflicts between parents.
Researchers found adult beetles store beneficial fungus and bacterium in specialized compartment to aid survival. This symbiotic relationship inhibits competitor fungus growth while promoting nutrition for developing larvae.
A beetle uses a bacterium to protect its fungus from a competing mite, producing a novel antibiotic with potential for treating fungal diseases and cancer. The discovery highlights the importance of symbiotic relationships between insects and microbes in their survival.
Beetles form a mutualistic relationship with bacteria to create an environment for their larvae, but this also allows the beetles to destroy pine forests. The discovery of a specific molecule that neutralizes pathogenic fungi could lead to new medicines for human infections.
Researchers investigate how tree vegetation influences local weather patterns and air quality in the Rocky Mountains. A four-year field project, BEACHON, aims to understand interactions between plants, atmosphere, and climate change.
A study found that extreme flood events in 2002 had a significant impact on carabid beetle and mollusc populations, but not on plant species. The vegetation was the least affected by the flood, with some species benefiting from the increased water.
The Pristionchus pacificus genome consists of a large number of genes, some with unexpected functions, providing clues to understanding complex interactions between host and parasite. The discovery sheds light on the evolution of parasitism and has potential implications for our understanding of host-parasite relationships.
Biologists studied male copulatory organ size and horn length in Onthophagus taurus, finding substantial differences between populations. The study suggests that natural selection can drive speciation by making individuals from different populations sexually incompatible, potentially leading to the origin of new species.
A team of researchers discovered a novel fungus in the gut of Asian longhorned beetles that helps break down lignin, a protective barrier for plants. The fungus produces enzymes that enable the beetles to digest hard wood, leading to potential breakthroughs in pest control and biofuel production.
Researchers created inexpensive blends of pheromones to detect and estimate the population size of invasive pest cerambycid beetles. They identified over 30 species and found reliable characteristics to determine if a new invader uses attractant pheromones.
Researchers at UC Davis have isolated and expressed a pheromone-degrading enzyme in the Japanese beetle, which could lead to more effective pest control methods. By degrading pheromones, males may be unable to detect females and reproduce.
Researchers find that bark beetles' complex dynamics are influenced by tree spacing, local climate, and nearby conditions, leading to devastating forest outbreaks. Human activities like climate change can amplify these eruptions, causing significant economic losses and reducing forests' carbon absorption capabilities.
University of Utah chemists have discovered the ideal photonic crystal structure, dubbed the "champion" crystal, in the shimmering green scales of a Brazilian weevil beetle. The scale material has a diamond-like structure that can manipulate light efficiently, but its chitin composition makes it unsuitable for long-term use.
A tiny beetle, the mesquite girdler, is speeding up desertification by regulating plant growth. The beetle's actions are depleting nutrients for other plant species, altering the Chihuahuan desert's ecosystem.
Researchers discovered that Librodor japonicus beetles employ distinct strategies to attract mates based on their body size. Smaller males use 'sneaky matings' behind larger males, while medium-sized beetles search for unoccupied feeding sites. This unique approach ensures all individuals have a chance at finding a mate without conflict.
The genome of Tribolium castaneum, a major agricultural pest, has been fully sequenced. This achievement will enable the development of new methods to protect food plants against beetles. The sequencing also provides valuable insights into the biology of other beetle species.
Kansas State University faculty members have contributed to the sequencing of the red flour beetle genome, a breakthrough that will aid research on genetics and insect pest management. The study was led by Stephen Richards at Baylor College of Medicine and involved over 100 scientists from 14 countries.
Researchers studied the beetle's shell using advanced imaging techniques to understand its color-changing property. The study found that the light interferes with the structure to produce the green color, and when water penetrates, it destroys the interference phenomenon leading to a black coloration.
A new species of whirligig beetle has been discovered in India and named Orectochilus orbisonorum in honor of rock legend Roy Orbison. The beetle's unique characteristics make it a valuable addition to the scientific community, showcasing the diversity of insect life.
Researchers at the University of Michigan found that clusters of ant nests on a coffee farm in Mexico follow a power law distribution, characteristic of systems exhibiting self-organized criticality. The ants' spatial distribution patterns are maintained by the decapitating fly, which prevents larger clusters from forming.
Researchers at UBC have discovered genetic secrets that enable trees to fight off pests and disease, allowing for the development of breeding programs to repel insects like mountain pine beetles. The study's findings have important implications for the long-term health and sustainability of forests.
A new study reveals that large numbers of modern-day beetle lineages evolved soon after the first beetles originated and have persisted ever since. The team used DNA sequencing and fossil records to compile an evolutionary family tree for beetles, showing that many species pre-date the appearance of flowering plants.