Articles tagged with Entomology
A new study from Toho University reveals that female earwigs exhibit positive allometry in their forceps, suggesting they too may have evolved these traits through sexual selection. The findings suggest that female forceps may have evolved as effective weapons in competition for mates.
A study by the CSIC-UMH Institute of Neurosciences uncovers how flies' flight stabilizers, the halteres, take shape. The structure is stabilized by a sophisticated cellular system that connects its two surfaces through an internal framework.
Researchers argue that deliberate full extinction might be acceptable in rare cases, but only with careful consideration of ecological and moral implications. The study calls for robust ethical safeguards and inclusive decision-making frameworks to guide the use of genetic modification technologies.
A recent study suggests that ladybird colors are produced by a combination of pigments and the physical properties of their wingcase. Researchers have discovered structural mechanisms underlying color production and pigment modulation in these insects.
Researchers at Heidelberg University developed high-resolution environmental suitability maps to identify areas conducive to breeding, leveraging satellite imagery and climate data. The maps help guide targeted interventions in mosquito-endemic urban areas.
The Ecological Society of America presents a compilation of five research articles exploring various ecological topics. Researchers found that historical nursery catalogues can predict plant invasion likelihood and identify invasive species. Urban ecosystems provide critical habitat for monarch butterflies in Northern California, while...
A new study by researchers at the University of California, Davis, suggests that non-native milkweeds in urban gardens are not harmful to migratory monarch butterflies. The study found that resident monarchs and non-native milkweeds are not connected to the larger population, allowing urban ecosystems to contribute to their conservation.
A new study compares the genome sequence of bed bugs that live with humans and those that don't, finding that human-associated bed bugs recovered and increased in population size over time. The research suggests that humans may have inadvertently led to the emergence of modern bed bug pests.
Researchers have discovered a chemical called bistrifluron that prevents drywood termites from creating new exoskeletons, ultimately killing the colony. This innovative method offers a safer alternative to traditional fumigation methods and has shown promise in reducing toxicity.
Researchers at University of Tsukuba discovered 'pirate parasitism' where parasitoid wasps lay eggs in unsuitable hosts, leading to successful parasitism. The phenomenon occurs when one parasitoid wasp takes advantage of a host's already suppressed immune system due to another parasitoid wasp.
A new study reveals emerging cases of babesiosis in the Mid-Atlantic region, documenting human cases and detecting Babesia microti in local tick populations. The research highlights the growing public health threat posed by this tick-borne disease, emphasizing the need for increased surveillance, public awareness, and preventive measures.
A team of researchers, including Bob Peterson and Chelsea Heveran, studied the unique adaptations of tiger beetles living in hot springs to survive high temperatures. The study found that these insects have evolved different abdominal plates to reflect more heat than their counterparts in cooler areas.
A study published in the Journal of Medical Entomology found a gene mutation in bed bugs that may contribute to their resistance to insecticides. The researchers, led by Warren Booth, discovered the mutation in 134 unique populations of bed bugs collected from North America between 2008-22.
A comprehensive dataset captures individual and group behaviors across genetically diverse strains of fruit flies, shedding light on how genes shape animal behavior. The study's findings have potential implications for mental health conditions with known or suspected genetic components.
Researchers found over half of residential rain barrels in Champaign County had at least one mosquito-positive barrel. Effective prevention methods include mesh coverings, approved insecticides like Bacillus thuringiensis israelensis, and treating the water with chlorine or predators of mosquito larvae.
Kelsey Coffman, assistant professor at UTIA, is honored for her research on beneficial viruses in parasitoid wasps and their impact on insect interactions. She has received the Insects 2024 Young Investigator Award for her significant contributions to entomology.
Researchers have identified nitisinone as a medication that can suppress mosquito populations by making human blood toxic to them. The drug, used to treat rare genetic diseases, has been shown to be more effective than ivermectin in killing mosquitoes and has the potential to control malaria spread.
Researchers have developed a more efficient method to monitor the olive fly population, enabling growers to make informed decisions on pest control. The new system uses small double-sided yellow adhesive panels, distributed at 4-15 traps per hectare, to accurately estimate olive fly numbers and damage.
UTA's expansion of its undergraduate research program has enabled students to present their work at major symposiums, including the American Institute of Aeronautics and Astronautics conference. The program has strengthened students' commitment to pursuing graduate studies in various fields.
Researchers found that individual honeybee dance styles, rather than consistency, contribute to successful food foraging. Bees with diverse communication methods were more likely to recruit others who successfully found food.
The Antarctic midge employs a unique survival mechanism by undergoing quiescence in its first year and obligate diapause in its second. This adaptation allows the insect to quickly resume development when temperatures rise.
InsectNet uses machine learning to identify over 2,500 insect species at 96% accuracy, providing critical information for farmers and researchers. The app can be fine-tuned for specific regions, making it useful for agricultural challenges worldwide.
The University of Tennessee Institute of Agriculture has received a $210,000 grant to support ongoing integrated pest management programs across the state. The grant will focus on agronomic and specialty crops, pest control in houses and schools, and improving pollinator health.
A research team led by Hidemasa Bono mapped the genomes of susceptible and resistant bed bug strains, revealing new insights into the development of pyrethroid resistance. The study identified 729 resistance-specific mutations in protein-coding genes related to DNA damage response, cell cycle regulation, and lysosome functions.
A new University of Texas at Arlington study provides a comprehensive genetic map of the common bedbug Cimex lectularius, enhancing scientific investigations into pesticide resistance and developing targeted pest control strategies.
Researchers found that desert ants rely on the polarity of the geomagnetic field to navigate during learning walks, contradicting previous findings in other insects. The team manipulated magnetic fields and observed the ants' behavior, concluding that a compass-like navigation system is useful for short-distance navigation.
A study in Warsaw, Poland found no difference in insect-pollinated plant composition or species richness between sown and natural meadows. However, natural meadows had twice the number of butterflies compared to sown meadows.
Researchers recommend public surveillance via online observation platforms like iNaturalist and Observation.org to detect invasive species early. By leveraging the growing number of smartphone users, scientists aim to widen the surveillance net and augment existing biosecurity frameworks.
Two strains of pathogenic fungi cooperate to share insect victims, dividing territories and utilizing unique specialties. This peaceful coexistence allows them to partition limited resources and adapt to their environment.
The study found that monarchs are dying off during their fall migration south to Mexico, with roost sizes declining by as much as 80%. Climate change is not believed to be the primary cause, but rather a debilitating parasite and captive breeding may be to blame.
A new study uses insect evidence from illegally killed rhinos to determine the post-mortem interval. This technique has been used to construct cases against poachers and has led to a rebound in rhino populations over the past 30 years.
A new species of clearwing moth has been identified from specimens found by a traveler returning from Guyana to the UK. The discovery was made possible through community science efforts involving a young ecologist and a photographer, leading to DNA sequencing and identification as Carmenta brachyclados.
Researchers at LSU and Smithsonian Institution found that ants began farming fungi after an asteroid struck Earth 66 million years ago. This behavior is still exhibited by some ant species today.
Researchers found that good nutrition enhances honey bee resilience against pesticide exposure and viral infections. Bees exposed to viruses experienced higher mortality on artificial pollen diets but fewer deaths when fed natural pollen and exposed to pesticides.
Entomology 2024 will convene over 3,500 entomologists and experts to share latest research on insect science. The conference explores intersection of entomology with global trends, including innovation and climate change.
The Safe-Hub platform provides a harmonized and standardized database for pollinator health, monitoring, distribution, and conservation. It offers various tools and resources, such as species distribution maps, knowledge library, and events calendar, to support recommendations and co-design solutions for wild pollinator decline.
A team of international researchers has discovered a surprising genetic mechanism that influences the vibrant patterns on butterfly wings. An RNA molecule controls where dark pigments are made during butterfly metamorphosis, shaping the butterfly's color patterns in a way previously unforeseen.
A new study found that consumer-grade insecticide sprays have little to no effect on eliminating German cockroach infestations. The residues of these products did not kill more than 20% of the cockroaches, with some taking up to five days to die.
A new study found that monarch pupae can survive and produce adults for up to seven weeks in the winter, with a 49.4% success rate in pupal eclosion. The study suggests a potential adaptation to warmer winters and offers an alternative to traditional overwintering methods.
A new study reviewing the academic literature on indoor pest control reveals that successful mosquito treatments have unintended consequences, including the return of household pests like bed bugs and flies. This has led to community distrust and abandonment of these treatments, contributing to rising rates of malaria.
Researchers identified abnormalities in sex determination pathways of intersex mosquitoes, which can help develop strategies to create all-male populations to control mosquito numbers. Understanding these genetic factors also aids in identifying genes affecting female mosquito behavior.
Research reveals native plants and non-native crops attract pests that spread diseases, causing harm to both plant populations. The studies also found viruses transmitted from crops to wild plants, which can have devastating effects on native ecosystems.
Scientists have discovered two new wasp species, Troporhogas rogerfedereri and Troporhogas rafaelnadali, named after tennis legends Rafael Nadal and Roger Federer. The parasitoid wasps were found in Thai national parks Khao Yai and Khao Sok.
Researchers at NUS found that the blood of caterpillars contains factors promoting the inheritance of new smell preferences, which are then passed on to their offspring. This phenomenon may facilitate host switching and the formation of new species.
Researchers found that ants need three main things to succeed when hitchhiking: climbing ability, foraging/colonizing behaviors, and temperature tolerance. The study tracked the spread of invasive ants through non-commercial transport on personal vehicles, highlighting a significant threat to native species.
Researchers identified a kissing bug in Delaware with the Chagas disease-causing parasite Trypanosoma cruzi. Entomologists confirmed the insect's presence and found it was infected with the parasite, which can lead to serious heart problems if left untreated.
A captivating new species of ant has been found with a metallic blue coloration, adding to the rich diversity of the Eastern Himalayas. The discovery was made during an expedition to resurvey biodiversity in Arunachal Pradesh's Siang Valley.
Research by Rupesh Kariyat and Alejandro Vasquez found that frequent mowing of silverleaf nightshade boosts its survival capabilities, leading to deeper taproots, toxic berries, and faster germination rates.
Researchers at the University of California - Riverside have discovered a highly effective and nontoxic way to kill western drywood termites using a pleasant-smelling chemical called pinene. The method involves releasing the scent of pinene, which attracts termites and guides them to a spot where insecticide is injected into wood.
A new study found that removing hedgerows and field margins decreases the diversity and abundance of arthropods, which can lead to reduced natural pest control. The research suggests that using flowering plants in field margins and implementing agri-environmental measures can be effective ways to increase farmland biodiversity.
A team of scientists, led by Warren Booth, solved the 250-year-old mystery of the German cockroach's origin by analyzing genomic data from over 280 specimens across 17 countries and six continents.
A new study finds significant variation in pollinator attractiveness among annual flower cultivars, with some varieties drawing in more insects than others. Begonia and impatiens cultivars were found to be particularly attractive to bees and other pollinators.
Researchers found that attaching red flags to crickets made them less appealing to predatory birds, suggesting a warning signal. The experiment supported the chemical defense explanation, as matador bugs were actively avoided with or without flags.
Scientists have discovered a new, rare osmiine bee species in the French Alps with an unusual geographic distribution spanning over 2000 km to Turkey and Northern Iraq. The species has unique ecological characteristics, including distinct nesting behavior in dead wood.
Researchers found Joro spiders can thrive near busy roads, attacking simulated prey 59% of the time, despite slight differences in attack rates, without compromising their health or body mass. The species' ability to tolerate urban vibrations and sounds is likely a key factor in its exponential growth
A University of Washington team discovered that nitrate radicals in the air degrade scent chemicals released by wildflowers, making them undetectable to nighttime pollinators. The researchers found that pollution likely has worldwide impacts on pollination, with areas including western North America and Europe most affected.
A study by Konstanz biologists reveals that the moths use visual feedback to move and correct the movement of their proboscis, similar to humans grasping objects. The animals' efficient way of working is also great models for applied research in robotics and understanding the visual control of appendages.
Researchers discovered that male large black chafer beetles have a 48-hour circadian clock to detect female pheromones, synchronized with females' mating behavior. The study sheds light on the biological mechanism behind this unusual cycle, leaving experts wondering about the underlying cues that govern natural rhythms.
Researchers found that wolf spiders can't easily signal others or perceive danger from predators on rain-soaked leaves compared to dry ones. Male spiders use visual and vibratory signals for courtship, but vibrations are better received in dry leaves.
Researchers have discovered that insect larvae already used various anti-predator strategies, such as spines, hairs, and camouflage, in the Cretaceous period. These findings provide insights into the evolution of defense mechanisms in insects and shed light on the ongoing biodiversity crisis.