Articles tagged with Entomology
Researchers found that each of three mosquito species has its own type, driven by human body chemistry, and prefers a different subset of people. This discovery could lead to novel strategies to combat vector-borne diseases.
Researchers discovered that newborn German cockroaches use pheromones in feces to recognize their own colony and form a kind of social bond. This behavior was found to be mediated by both innate attraction to conspecific fecal odor and learned preferences for specific odorants encountered during coprophagy soon after they hatch.
Researchers from Arizona State University challenge a decades-old theory by showing that genetics alone does not explain the origins of eusociality in insects. The study found that haplodiploidy, a genetic system, does not predict the evolution of eusociality across insects more broadly.
Researchers at Oregon State University developed a low-cost, semi-automated camera system using AI to monitor bumblebee populations and other insects. The system recorded six species of bumblebees, closely matching those documented through traditional methods, and identified them automatically using custom-built deep learning models.
Researchers discovered that tobacco hawkmoth wings have specialized hair-like structures that can detect specific aromas. The wings contain sensory receptors that can pick out unpleasant amine odours, guiding the moths to their favorite plants for laying eggs.
A new study found that honey bee larvae lack the sophisticated olfactory capabilities of adult honey bees. Adult bees have a suite of chemosensory receptors, including olfactory receptors and ionotropic receptors, essential for detecting odors from potential sources of pollen and nectar.
Hawaii's songless crickets have rapidly evolved to overcome reproductive challenges caused by lack of courtship songs. Non-singing males develop faster than wild-type males, allowing them to seek out female mates using alternative methods.
Researchers found that a fungus's metabolic breadth, or range of nutrients it can use, links its ability to kill insects, partner with plants, and thrive in different ecological roles. Strains capable of using a wider range of nutrients were faster and deadlier at killing insects and more effective at colonizing plant roots.
Researchers found that diapause eggs exhibit increased chromatin remodeling, reduced gene expression for neural development, and enhanced metabolism. This study sheds light on the developmental mechanisms underlying insect diapause, a survival strategy for cold temperatures.
A study from Hiroshima University identifies enhancer sequences active during worker bee metamorphosis, revealing key genetic mechanisms regulating social caste development in honeybees. The research provides direct evidence of transcription factor binding sites and sheds light on the evolution of honeybee sociality.
Research from Macquarie University and other Australian institutions found that bee species nesting in plant stems are more susceptible to extreme heat, while those underground fare better. This study highlights the importance of understanding native bee behavior to identify climate change threats.
Researchers reconstructed millipede evolution history, tracing origins to nearly 460 million years ago. They also discovered that one group of millipedes may have developed chemical defenses 260 million years ago.
In a groundbreaking study, ordinary pet dogs and their owners excelled at finding spotted lanternfly egg masses, with teams outperforming trained human searchers by over 2:1 in dense vegetation. The research demonstrates the potential of community dog-handler teams as an early detection force to combat the invasive pest's spread.
Tiny warty birch caterpillars can distinguish between the approaching footsteps of deathly ladybeetles and invading caterpillars. When threatened, they make a lot of noise to scare off the attacker, but when faced with an intruding ladybug larva, they become silent before deciding to evacuate or throw themselves off the leaf.
Honeybee queens are created through an elaborate process involving young worker bees constructing customized wax chambers with unique physical and chemical properties. Researchers identified a previously unrecognized class of young worker bees dubbed 'queen cell builders' that appear uniquely adapted for the task.
Researchers discovered a new cave cricket species, Dolichopoda balrogi, thriving in man-made tunnels on the Greek island of Kastellorizo. The species, found exclusively in a tunnel system, highlights the importance of exploring artificial underground environments for unique endemic species.
Research finds that feeding on non-native plants during larval stage influences adult wing coloration and reproductive behavior in Fischer's Blue butterflies. Native plant hosts appear more yellowish and have lower ultraviolet reflectance, attracting more mates.
Scientists found that queen bumblebees are faster learners and better at identifying scents than worker bees. This skill helps them differentiate between flowers, find the best ones, and ensure colony survival. Understanding their cognitive abilities could reveal fundamental insights into learning and evolution.
A study published in Insect Systematics and Diversity documented over 100 species of Platydracus beetles, with more than half being new discoveries. The findings highlight the vast gaps in known biodiversity, even among well-studied groups like rove beetles.
Researchers observed a previously unknown strategy used by corioxenid parasites to overcome host-imposed barriers. By raising their host's wings, male parasites were able to emerge and mate. This finding expands our understanding of host range diversification within Strepsiptera.
Researchers discovered that rice plants use floral volatiles to attract fall armyworm caterpillars, which then get trapped in spikelets covered with trichomes. The study found that about 50% of the caterpillars were trapped and killed within 48 hours.
Soil animal communities exhibit greater trophic diversity in agricultural systems and tropical regions, driven by resource limitation and disturbance. This flexibility helps maintain soil functions but may reflect the loss of specialized species.
Researchers found a 100-million-year-old forest ecosystem's diversity in Kachin region amber. The fossil, a true water bug with striking chelae, is the fourth known case of these structures evolving independently.
Researchers discovered a new web-weaver spider species in Colombia, Pikelinia floydmuraria, which is named after Pink Floyd. The species is able to capture and consume ants up to six times its own body size, playing a significant role in managing household pests.
Entomologist Mark Moffett observes harvester ants congregating with smaller cone ants in Arizona's Chiricahua Mountains. The unusual behavior involves the cone ants licking and nibbling the harvester ants' body surfaces, possibly consuming calorie-rich dust-size morsels.
The study, led by Lucy Liu and L. Mahadevan, shows that adding the right amount of noise to individual robot movements can ease gridlock and improve efficiency in crowded environments. The researchers used computer simulations and experiments with small robots to test their ideas.
A new study from UC Riverside shows that a locally adapted population of SoCal honeybees can naturally suppress deadly mites. The hybrid bees are less susceptible to Varroa mite infestations and cross-thresholds, making them more resistant than commercial breeds.
A new study from Michigan State University finds that isolated honey bees experience a rapid hormonal rise when exposed to high temperatures, while those in groups remain stable. The discovery highlights the role of social conditions and chemical signals in shaping bees' ability to withstand environmental stress.
Researchers found that honey bees change the precision of their waggle dance depending on the size and composition of their audience. The dancers adjust their movements to search for a receptive crowd, resulting in less precise signals when few bees are present.
A recent study on honey bees' waggle dance reveals that the dance's precision is influenced by audience size and composition. When there are more observers, dancers become less precise, suggesting that the performer adjusts its movements to engage with a larger crowd, ultimately conveying critical information about food sources.
Researchers found that mosquitoes' rectal cells interact with their nervous system, influencing appetite and behavior. The study suggests the gut plays a key role in regulating behavior across species, with implications for understanding mosquito feeding habits and potential treatments.
Researchers at Binghamton University found a significant shift in moth flight patterns over a century, with some species emerging later in the year. The study also identified missing moth species in the region, highlighting the impact of anthropogenic change on ecosystems.
Researchers at UMD used AI and 3D imaging to accelerate the scanning and creation of 2,000 interactive ant models, reducing scanning time from 10 hours to a single week. The project, dubbed Antscan, aims to create a living library of interactive models corresponding to Earth's biodiversity.
Researchers discover that resistant soybean varieties actively recruit beneficial soil microorganisms to suppress the devastating soybean cyst nematode. These microbes can be transferred to soil to help defend susceptible soybeans, providing a promising new approach for sustainable crop protection.
A new database of 3D ant models, Antscan, provides high-resolution micro-CT scans of 800 different ant species, revolutionizing the study of organismal shape and form. The database facilitates large-scale digitization of small organisms, enabling scientists to better model ant movement and study locomotion.
The Safeguard project, which aimed to expand understanding of declining wild pollinators, has come to an end. The project delivered a comprehensive reassessment of European wild pollinator trends and developed an integrated assessment framework to guide evidence-based management.
Researchers shed light on moths & butterflies' evolution, conservation needs, and diverse feeding habits. Discoveries suggest that these insects obtained plant-digesting abilities from fungi, while mandibled moths were once more diverse but largely extinct.
Researchers used computer vision and machine learning to study Drosophila melanogaster courtship. They found that males rely on specific visual cues, particularly the female's eyes, to determine her anterior-posterior body axis. This recognition shapes when and how different elements of courtship are deployed.
Researchers have identified the specific smell receptor that causes mosquitoes to avoid borneol, a natural compound found in camphor tree oils. Activating this receptor triggers a neural pathway leading to avoidance behavior, offering potential strategies for designing more targeted and effective mosquito repellents.
The giant Asian mantis has been formally recognized as an invasive alien species in Europe, posing a significant threat to native biodiversity. The species' high reproductive potential and predatory behavior are causing declines in native populations and altering ecosystems.
A University of California - Riverside study has identified bed bugs' fear of water and wet surfaces, which affects their behavior and movement patterns. Researchers found that all bed bug ages and genders avoid wet surfaces, with younger insects being more sensitive to moisture.
Researchers from Texas A&M University are using black soldier fly larvae to recycle organic waste and produce protein fertilizer. The project aims to create autonomous systems for rehabilitating extreme environments, reducing human exposure to hazardous conditions.
Researchers have discovered that the Japanese scarab beetle uses mirror-image pheromones to distinguish between potential mates. The discovery could lead to improved monitoring and control methods for this invasive species.
Researchers found a smooth variation in sensitivity to diapause induction with air temperature and daylight length, suggesting genes regulating circadian rhythm play a key role. The timeless gene was associated with variations in female diapause sensitivity, providing insights into molecular mechanisms behind diapause.
A new species of ladybird beetle, Parastethorus pinicola, was discovered on a pine tree at Kyushu University's Hakozaki Satellite. The beetle measures just over one millimeter in length and is the first major update to Japanese ladybird classification in 50 years.
Researchers found that termites evolved from cockroach ancestors that became dependent on cooperation and food sharing within colonies. Monogamy and high relatedness were crucial for the evolution of complex social systems in termites, with genes involved in sperm motility being lost due to the absence of sperm competition.
The latest research on water striders, a true bug family, sheds light on their evolutionary history, revealing that most lineages originated up to 50 million years ago. The study, led by Dr. Michael Raupach, used genome analysis to reconstruct the family tree and identify key drivers of biodiversity.
A new study finds that viral presence in wild bees is linked to floral communities and landscape-level resource availability. Researchers discovered that certain flower communities increase the likelihood of viruses and that flowers can serve as hubs for virus transmission between wild bees and honey bees.
A team of Princeton engineers studied grasshopper gliding to develop a model for multimodal locomotion in tiny robots. They successfully created a glider that can fold its wings and change strategies depending on the situation, achieving performance comparable to actual grasshoppers.
Researchers at Penn State develop high-speed platform to produce synthetic brochosomes, complex nanostructures that make insects invisible to predators. The breakthrough enables next-gen camouflage, sensors and other advancements for humans.
Researchers have developed a new test that uses microbes to determine the age of termite droppings, allowing for rapid on-site infestation assessments. The study found that the amount of DNA from E. coli bacteria in the pellets decreases significantly over time, with a nearly 190-fold drop by the 12-month mark.
Researchers are tracking the New World screwworm's potential return to California, deploying traps baited with a lure that attracts the fly. Early detection is critical to preventing an outbreak, particularly among farm animals vulnerable to wounds. The project aims to raise awareness and prevent infestations if the fly were to reappear.
When their nest is disturbed, bumblebees respond by preparing to defend the nest, searching for the threat, warning potential intruders to stay away, and finally recovering from stress. They maintain heightened vigilance for around 4 minutes after the disturbance.
Researchers found that a blend of non-toxic and genetically modified toxic corn can alter the shape of corn earworm moth wings, making them more aerodynamic and able to travel longer distances. This change in wing shape increases the moths' capability to fly long distances and spread resistance to the toxic corn.
Contributions to Entomology is a peer-reviewed, open-access journal indexed in Scopus, reflecting its commitment to quality and accessibility. The journal publishes research on all aspects of entomology, including insect systematics, ecology, and applied entomology.
Seven new species of a distinctive frog-like insect belonging to the genus Batracomorphus have been discovered in Uganda's Kibale National Park. The findings are significant as they mark the first new species recorded in Africa since 1981 and add to the existing 375 known worldwide.
Researchers from Nantong University have discovered four new species of Lepidosira springtails in China, representing the first record of this genus in the country. The findings, confirmed by molecular and morphological analysis, expand scientific understanding of springtail diversity and evolution.
A new international study published in Insect Science offers a more complex picture of insect populations. High-flying migratory insects have remained largely stable over nine decades, but agricultural pests are on the rise, posing a persistent threat to food security.
Scientists at UC Davis have discovered a new species of trapdoor spider, Aptostichus ramirezae, in California's coastal sand dunes. The study reveals that what was thought to be one species is actually two, highlighting the need for conservation efforts to protect habitats shrinking due to climate change and human development.
A 99-million-year-old fossil discovery sheds light on the evolutionary history of mosquitoes. The ancient larva shares modern species' morphology, challenging previous assumptions about their early evolution.