Articles tagged with Beetles
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A study of beetles shows that those with physical impairments spend more time feeding their young, sacrificing resources to care for their offspring. The researchers suggest that the insects may respond by expecting not to breed again and expending more resources to guarantee their young's survival.
Researchers have discovered biochemical mechanisms that help female beetles produce the aggregation pheromone trans-verbenol in response to juvenile hormone III. This finding may improve forecasting of bark beetle outbreaks by understanding how these insects communicate and colonize pine trees.
Researchers have uncovered previously unknown reservoirs of trans-verbenol in juvenile mountain pine beetles, which could aid in predicting outbreaks. The study found that female beetles accumulate and store the pheromone during their larval and pupal stages.
A team of scientists at the University of Cambridge has created a super-thin, non-toxic, lightweight, edible ultra-white coating that mimics the structure of beetle scales. The material scatters light extremely efficiently, producing bright white colours without the need for pigments.
Prof Alba-Tercedor collaborated with BUF to create high-resolution microtomography images of tropical longhorn beetle species and darkling beetle Zophobas morio, used in the film's photorealistic models. The results demonstrate microtomography's value for reconstructing tiny animals' microscopic structural details.
The Australian fire beetle uses its heat sensors to detect hot spots and avoid them when approaching a freshly burnt branch. The IR organs are relatively insensitive, and the beetles seem to rely on their sense of smell to detect forest fires.
The Colorado potato beetle's genome provides insights into its ability to rapidly develop resistance to insecticides and spread to new climates. Researchers have discovered genes that enable the beetle to thrive on different plant hosts and tolerate toxins, but not new genes explaining rapid pesticide evolution.
Climate change is affecting the size of organisms, including British Columbia beetles. Larger beetle species have shrunk by up to 20% in the last 45 years due to warmer temperatures.
A field course organized by Taxon Expeditions led to the discovery of six new beetle species in Maliau Basin, Malaysian Borneo. The citizen scientists employed the Winkler extraction method to collect and identify the insects, with three new species published in the Biodiversity Data Journal.
A study by Yale-NUS College Postdoctoral Fellow Eunice Tan found that beetle color patterns are similar to host plants, suggesting camouflage rather than warning signals. The research challenged the prevailing theory among coleopterists and highlights the complexity of natural selection in leaf beetles.
A leaf-eating beetle has evolved a symbiotic relationship with bacteria that allows it to break down pectin, a plant cell wall component. The bacterium, which has a tiny genome, has the power to degrade pectin, enabling the beetle's digestive system to access nutrients.
A bacterium in a species of leaf beetles provides the beetle with enzymes required to break down certain plant cell wall components. The symbiotic bacteria reside in special organs near the gut and have the smallest genome ever sequenced outside a host cell.
A set of fundamental tactics can be used to combat the challenges brought on by pests in rapidly changing forests. Eight general tactics for improved pest management include growth of practical theory, improved biosecurity, and management plans that anticipate continuing change.
Researchers successfully created a fully functional extra eye in the center of a beetle's head using a simple genetic tool. The study provides new insights into how developmental processes reorganize to create novel complex traits, and could help address fundamental questions in development, evolution, and medicine.
Digger wasps have species-specific hydrocarbon profiles that vary according to their prey and brood-care strategy. Beetle-hunting digger wasps have more diversified profiles due to reduced need for prey preservation. The unique films are also used for defense against parasites.
A new algorithm-based technique predicts potential plant disease hotspots by analyzing pest-host interactions and geographical distribution of vulnerable plants. This can help governments anticipate outbreaks and prevent biological invasions.
A recent study by Lancaster University found that logging in tropical forests can have negative impacts on biodiversity, even when done sustainably. The research looked at the impact of logging on forest dung beetles and found that low levels of logging led to a decline in species diversity and rates of soil removal.
A recent study has found that tropical high-altitude beetles are at risk of extinction due to climate change. The research, conducted in the Brazilian Atlantic Rainforest, revealed that two plant-eating beetle groups - weevils and leaf beetles - are highly specialised to high altitudes and may disappear in a warmer world.
Researchers have identified two species of diving beetles in European streams, challenging long-held assumptions about a single common species. The new species, Meladema lepidoptera, is found only in Corsica and Sardinia, with genetic data suggesting it diverged from the other species around 1.5 million years ago.
A new study reveals that the Malagasy striped whirligig beetle is an ultra-rare survivor with a genetic pedigree dating back at least 206 million years to the late Triassic period. The beetle's isolated location in Madagascar may have allowed it to persist, and it now thrives in marginal environments.
Researchers have developed a self-righting robot inspired by the legless jumping mechanism of click beetles. The beetle's unique hinge-like structure allows it to flip back onto its feet after being knocked over, and the researchers aim to integrate this mechanism into their robot prototypes.
Researchers developed verified guidelines for monitoring 5 saproxylic beetle species in Europe, utilizing citizen scientists' data collection. The project also found that children's participation in environmental education programs positively impacts their attitude towards nature.
Scientists have found that trained dogs are more successful in detecting hermit beetle larvae than traditional methods. Using trained dogs can locate new populations, confirm the presence of target species, and map colonized trees accurately and efficiently.
A new study predicts that global warming will extend the range of the southern pine beetle, a tree-killing insect, through much of the northern US and southern Canada. The beetle's spread is threatened by rising winter temperatures, which could lead to loss of biodiversity, iconic forests, and damage to tourism and forestry industries.
A collection of thirteen research papers addresses conservation strategies for elusive invertebrates in the European Union. Monitoring saproxylic beetles is feasible, and Citizen Science increases public awareness about Natura 2000 and saproxylic species in forests.
Researchers used synchrotron microtomography to analyze fossilized feces, providing clues on ancient food webs and ecosystems. The study reveals delicate remains of beetles and fish in coprolites from the Upper Triassic bone beds in Poland.
A new proposal defines subspecies based on a potentially incipient new species, heritable trait, and geographic isolation. The concept of subspecies has been contentious, but the newly proposed definition aims to simplify its recognition.
The discovery of two new beetle genera and four new species from the Australopacific Region highlights the diversity of saprinine hister beetles. The newly described insects feature interesting morphologies and ecologies, with some species dependent on ants or termites for survival.
An interdisciplinary team developed a novel method to scan the internal development of live insects using carbon dioxide-induced suspended animation. The technique allows for detailed, three-dimensional views of insect innards without harming them.
Researchers found that even a tiny dose of pesticide can impair leaf beetles' ability to reproduce, with females developing malformations and offspring laying fewer eggs. The study's results may also be transferred to other insects, highlighting the need for long-term consideration in herbicide authorization.
Researchers at Friedrich Schiller University Jena reconstructed a 300 million-year-old beetle from Australia, shedding new light on the earliest developments in beetles. The 'Bad Boy' exhibits an unorthodox mix of ancestral and modern characteristics, challenging traditional beetle classification.
Research reveals bark beetles create roosting and foraging opportunities for protected bat species like Barbastella barbastellus. The findings have important implications for forest conservation, highlighting the need to reassess standard management practices.
A new study by University of Montana scientists found that slow-growing ponderosa pines have a greater chance of survival during mountain pine beetle outbreaks, contradicting previous findings. The research suggests that fast growth may be costly and is often detrimental to tree survival in such scenarios.
Researchers found that the golden appearance is due to high reflectiveness of the exoskeleton and manipulation of polarisation. The nano-structured exoskeleton contains intricate structures that produce circularly-polarised light, explaining the bright reflection and golden colour.
Scientists have developed a new, inexpensive technique to create color-shifting nanoparticles inspired by beetle shells. The method produces tiny particles that can be easily controlled, enabling adjustable colors within materials or fabrics. This breakthrough could lead to the production of easier-to-read sensors and anti-tampering tags.
A new study uses synchrotron tomography to create high-quality 3D models of well-preserved food residues in 230 million-year-old fossil faeces. The technique reveals detailed information about the diet and lifestyle of ancient animals, providing insights into the ecosystem.
Research on La Brea Tar Pits fossils suggests LA's climate has remained relatively stable for 50,000 years. The study analyzed ground and darkling beetle fossils using radiocarbon dating, revealing three semi-continuous age ranges that indicate a warmer and drier climate similar to today.
Researchers discovered a bacterium that produces antibiotics to protect beetle eggs from fungal infections. The bacteria also can harm plants when transferred, highlighting the complex relationships between microbes and their hosts.
Fossils of ancient termite-loving rove beetles, named Cretotrichopsenius burmiticus, reveal that ancient termite societies were quickly invaded by beetles about 99 million years ago. The discovery pushes back the fossil record of termitophiles by 80 million years.
Researchers found that Sapporo mai-mai snails live longer in trees due to fewer predators and better food sources. Tree-dwelling snails also eat epiphytic lichens and mosses, unlike ground-dwelling counterparts.
A team of scientists has discovered intact mushroom and mycophagous rove beetles in 99-million-year-old Burmese amber, shedding light on the early evolution of fungi. The findings suggest a long-term evolutionary stasis of body form for at least 99 million years.
This study reveals that rove beetles have evolved into army ant parasites multiple times, mimicking the ants' behavior and pheromone chemistry to gain acceptance. The discovery challenges Gould's hypothesis of convergent evolution, suggesting a predictable path for the interaction between these organisms.
Scientists discovered a highly specialized beetle from mid-Cretaceous Burmese amber, revealing morphological traits for capturing springtails. This finding pushes back the age of such predation by at least 54 million years, providing new insights into Cretaceous terrestrial ecosystems.
A Nagoya University-led international research team has identified genes controlling the development of enlarged mandibles in stag beetles, a key factor in insect diversity. The study found that genes such as dac, aristaless, and homothorax play important roles in mandible development.
A recent study by Indiana University researchers found that the master gene doublesex plays a complex role in controlling the expression of physical differences between males and females. The study reveals new details about how this gene influences traits such as genitalia, brain development, and ornamentation.
Researchers have revealed the nanoscale architecture of a beetle's exoskeleton, composed of chitin fibers with unique twisting patterns. The discovery could lead to the development of lighter, stronger materials for various applications, including reducing drag in vehicles and airplanes.
Research by entomologists from the University of Lincoln found that female beetles control the duration of copulation, with kicking time remaining consistent when mated to the same partner. In contrast, mating to different partners resulted in varying kick times and durations.
Research reveals that herbivores can evade plant defenses by using symbiotic bacteria, while plants have two lines of defense against predators. Understanding these interactions may help control pests and improve plant productivity through probiotics.
A newly discovered beetle species, Nymphister kronaueri, has been found to hitch a ride on the back of army ants as a means of transportation. The beetle uses its strong mandibles to anchor itself tightly to the ant's body, mimicking the shape and appearance of the ant's abdomen.
A new study reveals that the weevil genus Laparocerus has undergone an explosion of evolutionary radiation, resulting in 237 known species and subspecies on the islands of Madeira and the Canary Islands. The analysis suggests that sequential radiation events have generated several monophyletic groups within the genus.
Researchers found that generations born on the leading edge of an invasion can push forward more than those born further back due to evolutionary advantages. This discovery has implications for agriculture and natural resource management as invasive species spread faster and farther.
Researchers at Colorado State University challenged traditional theories by showing that evolutionary changes influence organism movement during range expansion. Using flour beetles, they found shuffled populations moved more slowly and predictably than structured ones.
A CU Boulder-led study found that rapid evolution at species habitat edges can drive population expansions, providing insight into climate change and invasive species encroachment. The study used red flour beetles and demonstrated that populations allowed to evolve independently at the edge spread 6% faster on average.
Researchers developed a new genetic-testing method to identify the invasive coconut rhinoceros beetle, which can be conducted in just a few hours. This test offers potential for improved defense against the species and prevents misidentification that could lead to wasted resources.
A team of researchers from Northwestern University studied the exoskeleton of the Cotinis mutabilis beetle using nanomechanics. They discovered unique fibers with higher density along the length than transverse, leading to improved mechanical properties and inspiring new artificial materials.
A new species of ground beetle, Bryanites graeffii, has been described from a 147-year-old specimen found in the Muséum national d'Histoire naturelle in Paris. The discovery sheds light on the impact of human activity on ecosystems and highlights the extinction of native insect species due to colonization by non-native species.
The California Academy of Sciences has added 133 new plant and animal species to the world's family tree, including a deep-sea fish, sharks, ants, beetles, birds, and coral. These discoveries were made by over a dozen scientists and collaborators across five continents and three oceans.
Researchers discovered that bags of potting soil on Guam's island are a breeding ground for invasive coconut rhinoceros beetles. The beetles spread through holes in plastic bags, which customers unknowingly bring home for their gardens.
Researchers at the University of Hawaii are using acoustics to understand and track the movement of the invasive Coconut Rhinoceros Beetle. By analyzing the beetle's chirp signatures, they hope to develop a new method for tracking and mitigating its impact on Hawaii's palm trees.
The discovery of Ball's Antarctic Tundra Beetle sheds light on Antarctica's ancient insect fauna. The new species is the second known beetle for the continent with living descendants, and its presence confirms that tundra ecosystems persisted in Antarctica for millions of years.