Articles tagged with Beetles
Researchers have identified 138 new species of beetles within the Operclipygus genus, significantly expanding our understanding of tropical insect diversity. The study, published in ZooKeys, reveals that these tiny beetles play a crucial role in controlling pest populations and highlights the need for continued conservation efforts.
Researchers create female emerald ash borer decoy using polymers, allowing for more efficient trapping and detection of male beetles. The decoy is 40% more effective than previously used methods, paving the way for swift control of the pest.
A tiny insect that eats plants has developed a unique strategy to evade its beetle predator: using the plant's trichomes for physical protection. This clever tactic allows the pest to crawl between the plant hairs and feed on cycad sap, while the larger beetle cannot follow suit.
A Dartmouth study suggests that increasing competitor and predator beetle populations can prevent population explosions of pine beetles, a major forest pest. The research confirms that some species, like the southern pine beetle, exhibit extreme fluctuations in abundance with no middle ground.
African ball-rolling insects guide themselves along straight paths under starlit skies but lose orientation under overcast conditions. Dung beetles exploit celestial cues like the Milky Way for navigation, suggesting other nocturnal insects might follow suit.
Scientists have discovered that dung beetles use the Milky Way's gradient of light to ensure they keep rolling their balls in a straight line. The beetles' ability to orient themselves using this method has been proven, giving them an advantage in navigating their environment.
A CU-led study reveals that pine beetle outbreaks do not harm adjacent stream water quality, but instead increase the uptake of nitrates by smaller trees and understory vegetation. This compensatory response provides potent water quality protection in western forests.
A study by US Department of Agriculture scientists found that a lady beetle's diet influences its feeding patterns and physiology. The research suggests that plant material provides key nutrients lacking in insect prey diets, making mixed diets healthier for the beetles.
A new study finds that climate warming is allowing bark beetles to thrive in previously inhospitable high-elevation forests, posing a significant threat to whitebark pine ecosystems. The insects are attacking trees with weakened defenses, leading to potential cascading effects on mountain ecosystems.
A comprehensive study found that adult beetles of the European forest cockchafer species house the same microbial species as larvae, despite metamorphosing from one stage to another. The microbes include clostridia and other bacterial species that aid in digesting plant materials.
A team of researchers led by Professor Mingjun Zhang discovered the secret behind the whirligig beetle's high propulsive efficiency, which inspired the development of energy-efficient propulsion mechanisms for swimming vehicles and robots. The key to the beetle's efficiency lies in its unique leg functions, alternative patterns of leg ...
Researchers have identified two species of wood-boring beetles as the makers of wormholes in European printed art since the Renaissance. The study, published in Biology Letters, uses printed art as a trace fossil to precisely date species and identify their locations.
A new study by the USDA Forest Service reveals that climate conditions significantly impact bark beetle outbreaks, with optimal temperatures ranging from 1-4 degrees Celsius. Lower cumulative precipitation in prior years and higher current year precipitation also increase the likelihood of outbreaks.
Researchers at Uppsala University found that male genitalia morphology affects fertilization success in female seed beetles, driving rapid evolutionary changes. This competition among males has generated significant biological diversity and contributed to species formation.
A study published in Current Biology demonstrates that male genital shape affects fertilization success in a species of seed beetle. Males with longer genital spines produced substantially more offspring than those with shorter spines, highlighting the importance of competition among males in driving evolutionary changes.
Researchers discovered that African dung beetles use dung balls for evaporative cooling, climbing on them when overheating to maintain a cooler body temperature. This behavior is unique among insects and demonstrates the complex strategies insects employ to regulate their body temperature.
Researchers discovered that beetles roll their dung balls to avoid overheating, and climb on top of them to regulate body temperature. This behavior is especially prevalent during the midday sun, with beetles climbing their balls seven times as often as those on cooler ground.
A team led by James Liebherr discovered 14 new species of predatory carabid beetles in the Society Islands, expanding the known distribution of the genus Mecyclothorax. The new species have limited geographic distributions and are found at high elevations, highlighting the importance of conservation efforts to maintain biodiversity.
A new study found that nearly half of all retail firewood sold in the US West is infested with live insects. The research highlights the risks of untreated firewood transporting pests and pathogens to uninfested areas. Heat-treating firewood before sale could help mitigate these risks.
USDA scientists are working to minimize the threat of Laurel wilt disease caused by the fungus Raffaelea lauricola, vectored by the redbay ambrosia beetle. Chemical attractants for beetle traps and fungicides to slow disease spread have been developed.
A new study investigates the relationship between beetle body size, horn size, and grip strength in males. The researchers found that male beetles have a stronger grip than females, likely due to their larger limb size.
A new study found that female hide beetles (Dermestes maculatus) are attracted to cadavers by a combination of cadaver odour and male sex pheromones. The females only respond when both the odor and pheromones are present, optimizing their chances of reproductive success.
Researchers discovered that lady beetles intercept and utilize Azteca instabilis ants' alarm pheromones to locate safe egg-laying sites. This finding reveals a complex interaction between insects, with potential implications for pest management on coffee plantations.
Elk and rhinoceros beetles use insulin to grow big horns and attract mates. A study by Michigan State University found that these traits are not handicaps, but rather honest indicators of quality. The research suggests that the males' insulin dependence provides a way for them to show off their strength and suitability as partners.
Scientists have discovered a developmental mechanism responsible for the excessive growth of threatening horns or come-hither tail feathers in animals. The research reveals how insulin signaling pathways influence trait size, explaining why some males grow massive horns while others have minimal development.
UC Santa Barbara scientists have found that the tamarisk leaf beetle has evolved to delay its entry into hibernation, allowing it to survive and reproduce in the southern US. This adaptation enables the beetle to effectively control the invasive tamarisk plant, providing a cost-effective solution for containing the weed.
Researchers discovered a rare yeast species, Saccharomycopsis fodiens, in geographically distant locations, suggesting its spread may be linked to human migrations. The novel strain is parasitic and unusual in using alternative growth methods, providing clues about global micro-organism dispersal.
A recent report synthesizes published studies on the impact of bark beetles on wildfires, revealing that tree mortality can indeed affect fuels and fire behavior. However, the extent of these effects depends on various factors, including the time since the outbreak and the type of fuel or fire characteristic being studied.
A new study finds that bark beetles infesting pine trees can release up to 20 times more VOCs, contributing to haze and air pollution in forested areas. This could harm human health, reduce visibility, and affect climate.
Researchers use a historic fire to model the sensitivity of a natural sensor found in fire beetles. The study reveals that these sensors can detect extremely low levels of heat, rivaling those of radio telescopes.
A new study found that beetle-infested pine trees release up to 20 times more VOCs than healthy trees, contributing to haze and air pollution. The research suggests that the bark beetle epidemic could lead to higher monoterpene concentrations in the air, harming human health and impacting climate.
Research ecologist Katherine Elliott and her team found that cutting and burning sites reduces heavy fuel loads, improves soil nutrient status, and opens the canopy for restoration of shortleaf pine communities. However, poor pine regeneration was observed due to drought, seed production issues, and hardwood competition.
A new study found that rising temperatures and reduced rainfall in European Alpine spruce forests led to more frequent and severe bark beetle attacks. The study suggests that sustainable forest management strategies are necessary to mitigate the impact of climate change on these ecosystems.
The article suggests that preventative measures are most effective in managing bark beetles, which can be controlled naturally by environmental factors. Maintaining a diversity of healthy tree species and adequate spacing between host trees reduces the likelihood of beetle outbreaks.
A two-year study found that omnivore dung, including chimpanzee and human dung, is the most attractive to dung beetles. Native Nebraskan dung beetles showed little attraction to bison dung compared to exotic animal dungs.
Researchers discovered that arum family plants evolved their scent along pre-existing communication of scarab beetles, not through mutual adaptation. This finding suggests coevolution between plants and pollinators might be less common than thought.
Researchers found pine beetles can breed twice a year, leading to up to 60 times more beetles attacking trees annually. Warmer temperatures also allow beetles to survive and attack trees with previously developed defenses.
The study found that four of the six most commonly collected beetles were introduced species, suggesting they displaced native species due to available niches or competition. Dynamic and unique dung beetle diversity was observed on each farm, influenced by herd management practices.
The article provides IPM program recommendations for managing the southern pine beetle, a chronic insect pest in southeastern US pine forests. The beetle has three population phases, and an IPM program should be tailored to each phase, with prevention and restoration being primary concerns during the latent phase.
Studies of diving beetles reveal that sperm form follows female reproductive organ function, challenging the paradigm of post-mating sexual selection. Researchers found diverse sperm shapes and structures adapted to navigate complex female reproductive tracts, suggesting females can drive evolutionary changes in male traits.
A study of forked fungus beetles reveals that their social positions are related to reproductive success, suggesting that natural selection drives the evolution of social behavior. The researchers found that individual behaviors can influence their position in society, leading to varying levels of mating and reproduction.
Researchers at Lund University found that dung beetles perform a mysterious dance to ensure straight-line departure from the dung pile, crucial for avoiding intense competition. The beetles store compass readings from celestial cues during this dance to guide their navigation.
A study published in PLOS ONE found that dung beetles perform a specific dance before moving away from the pile, upon encountering obstacles, or when losing control of their dung ball. This behavior is crucial for efficient navigation and allows them to quickly move away from intense competition.
Researchers at the University of Georgia have found that releasing ladybird beetles in the upper crown of infested trees can effectively control hemlock woolly adelgid populations. The study suggests a new approach to managing the invasive pest, which has been killing Eastern hemlocks across the southeastern US.
Researchers discovered that predators choose diets with optimal balance of protein and fat to produce healthy eggs, outperforming those without nutritional balance. This finding challenges the assumption that predators focus solely on calorie quantity, highlighting their selective eating behavior.
Ecologists warn that frankincense production could be halved in the next 15 years as Boswellia tree populations decline dramatically. The study found that factors other than tapping, such as fire, grazing, and insect attacks, are contributing to the decline.
Researchers studied Onthophagus beetles, finding that male and female genitalia evolve rapidly in concert, often before size changes. This codivergence occurs more quickly for shape than size, suggesting that reproductive isolation can be established faster than previously assumed.
The southern pine beetle is the most destructive forest pest in the US, causing significant economic and ecological harm. The new synthesis, Southern Pine Beetle II, updates research on the insect's biology, ecology, and management, providing current state-of-the-art knowledge.
Scientists have described two new species of extremely long-legged beetles from the Philippines, assigning larval stages to adult images using mitochondrial DNA. The researchers aim to provide basic knowledge and identification tools for tropical species as freshwater bioindicators.
The cereal leaf beetle, introduced in the US in the early 1960s, has rapidly spread across the country, becoming a major pest of oats, barley, and wheat. Current research focuses on developing new information and procedures to encourage growers to adopt integrated pest management approaches.
A living species of aquatic beetle, Helophorus sibiricus, was discovered in 20-million-year-old sediments in southern Siberia. The fossil provides new data on the average duration of an insect species and suggests that some species may survive for millions of years.
Researchers found that ground beetle larvae use a unique method to attract and feed on amphibians, tricking them into thinking they are tasty prey. This phenomenon has significant implications for understanding the environmental impact of invasive species.
In a remarkable discovery, ground beetle larvae have evolved to lure and consume amphibians, reversing the typical predator-prey relationship. The larvae use unique movements and sit-and-wait strategies to draw in prey, before attaching themselves using double-hooked mouthparts.
Scientists discovered that a protein called Knickkopf protects the insect's newly formed cuticle from being dissolved by chitinase. This finding has enormous potential for improving selective pest control and developing new biomaterials like football padding or lightweight aircraft components.
The University of Guam's entomologist has received $205,500 in grants from the USDA to control the coconut rhinoceros beetle population on the island. The beetle has shown high resistance to current biocontrol methods, including pheromone-baited traps and a biocontrol virus.
Researchers discovered that desert seed beetles use a strategy of stacking their eggs as shields against parasitic wasps. The beetles lay their eggs on seed pods, then stack multiple layers to protect them from the wasp species. This behavior prevents the wasp larvae from developing and allows the beetle offspring to survive.
Researchers at UC Riverside suggest controlling firewood movement can contain the goldspotted oak borer invasion, which has killed over 80,000 oak trees. The beetles, native to Arizona, likely traveled on infested firewood, targeting coast live oaks and other species with no natural resistance.
The Asian longhorned beetle has already spread to nearby forests in Worcester, Mass., posing a threat to the region's forests. The beetle disproportionately attacks large maple trees, including red and sugar maples, which are vital to New England's iconic landscape.
Researchers found that ground beetles significantly reduce grass weed populations in UK farmland, improving agricultural productivity. By controlling weeds, ground beetles can help farmers reduce herbicide use and increase crop yields.
A new species of blind beetle, Paralovricia beroni, has been discovered in Bulgarian caves and clarifies questions about its systematic position within the Carabidae family. The discovery provides insight into the paleogeographic history of the Balkans, revealing a previously unknown subtribe Lovriciina.