Researchers at Lund University found that certain nocturnally migrating insects can explore and navigate using the Earth's magnetic field. The study used a flight simulator with a system of magnetic coils to investigate how the Bogong moth knows in which direction to fly, revealing its use of both visual landmarks and the magnetic field.
Regions with sharp declines in flying insects also experience high levels of light pollution, suggesting a link between artificial light and insect population declines. Light pollution can disrupt natural behavior, cause genetic exchange limitations, and impact ecosystem services like pollination.
Researchers taught bees to recognize 'greater than' and 'less than' inequalities, and they successfully applied this knowledge to understand the concept of zero. This groundbreaking study reveals that even with a limited number of neurons, insects can grasp abstract mathematical concepts.
Researchers found that between 5-20% of stick insect eggs were excreted unharmed after being fed to a bird species. The study suggests that this process could contribute to the dispersal of stick insects across different habitats, similar to how plants use animals for seed distribution.
Researchers found that incorporating flowering areas and agri-environmental schemes in agricultural landscapes increases predator species and individuals, leading to effective natural pest control. The distance between the flowering plot and the oilseed rape field is crucial for this effect.
A new report reveals that limiting warming to 1.5°C would avoid half the risks associated with warming of 2°C for plants and animals, and two-thirds of the risks for insects. Species in Southern Africa, the Amazon, Europe, and Australia would particularly benefit.
By 2100, a 2°C limit could see insect species lose over half their ranges double, while a 1.5°C target halves this number, highlighting the importance of ambitious climate targets for biodiversity conservation
Todd Holmes, UCI professor, receives NIH grant to study phototransduction in insects, aiming to design safer light-based insect control strategies. The research could lead to environmentally friendly alternatives to toxic pesticides, reducing health and environmental harm.
Researchers uncovered a new lacewing species with anatomical modifications mimicking coeval liverworts, demonstrating the first record of liverwort mimicry by fossil insects. The larvae's foliate lateral plates and unique morphological features aid their survival and likely enable stealthy hunting or ambush predation.
A meta-analysis of 44 studies on neonicotinoid insecticides' effects on arthropod performance found similar negative impacts on abundance, behavior, condition, reproductive success, and survival. The research suggests that these insecticides affect not only pollinators but also detritivores and predators.
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.
Scientists propose a new strategy using insect-yeast ecology to inform the search for industrially relevant yeasts. Insects are drawn to yeasts due to their sugar presence, and these mutualistic relationships can lead to yeast deposition in new environments.
A 2015 flood in south central Oklahoma led to a 93% decrease in invertebrate abundance, a 60% decrease in species presence, and a 64% decrease in biomass among insects and other invertebrates. Only well-adapted creatures were quick to return.
A study found that urban trees can tolerate increased heat and insect pests but struggle with water stress, highlighting the importance of hydration strategies in urban forestry management.
A new study creates a functional map of how the hawkmoth smells, tracing the process from the antennae to specific areas in the brain. The researchers mapped how the moth distinguishes between odors to find a safe place to eat or to lay eggs.
A new study by Ohio State University researchers found that psychedelic mushrooms developed psilocybin to interfere with insect neurotransmitters, lowering the chances of being eaten. This evolutionary explanation could guide medical science in finding novel treatments for neurological disorders.
A study of ancient insects has provided new insights into future biofuel production. The firebrats' unique digestive system has revealed the presence of lytic polysaccharide monooxygenases (LPMOs), a new class of enzyme that efficiently digests cellulose. This discovery could lead to the development of sustainable low-carbon fuels.
Researchers from Utah State University and the University of Sheffield explore evolutionary predictability using data on cryptic body coloration in stick insects. They found that natural selection drives change, but environmental fluctuations and complex ecological processes limit prediction.
A Brazilian startup has developed an AI-powered pest control system that uses IoT technology to help farmers apply agrochemicals at the right time and in the right amount. The system, which integrates integrated pest management techniques with machine learning algorithms, is expected to increase efficiency and reduce environmental impact.
A study published in Biological Conservation found that widespread insects are threatened with a decline in species diversity, genetic diversity, and ability to adapt to environmental changes. The research highlights the importance of maintaining genetic diversity through population exchange for common species.
A new extinct insect species, †Caputoraptor elegans, has been discovered with a novel body structure likely used for mating. The species features a unique cephalo-thoracic scissor device on females, which may be used to cling to males during copulation.
A Rutgers study reveals that most primates can digest insect exoskeletons due to the presence of a stomach enzyme called CHIA. Insects have been an essential food source for early primate ancestors, and their nutritional value is comparable to other protein sources.
Researchers at UC are studying the genetic development of spider eyes to find opportunities for research into human visual challenges. They found that spiders evolved from simple compound eyes to complex eyes over a short period of 50 million years, and that they use similar genetic pathways to build their eyes as insects do.
Researchers have made a groundbreaking discovery at the cellular level, studying the unique adaptations of bacteria living inside cicada insects. These tiny organisms lost nearly all their genes to survive within their insect hosts and now rely on multiple types of bacteria working together to provide essential amino acids and vitamins.
Research shows desert ants can evaluate cue reliability, using unambiguous cues like odors to navigate. This ability helps them compensate for accumulated path integration errors while searching for food.
The Aspidistra elatior flower attracts insects by pretending to be a mushroom, with fungus gnats being the primary pollinators in its native habitat. This discovery clarifies that like most plants, A. elatior is mainly pollinated by flying insects.
Insect-based food sources present a significant nutritional opportunity due to their high levels of animal protein and key micronutrients. However, the nutritional quality of insects is influenced by their diet and environmental impact remains a concern.
Parthenogenesis is favorable for appearance and further existence of groups when population density is low, allowing rapid reproduction. Phytophagous insects reproducing by thelytoky can cause significant harm to agriculture and forestry.
Research reveals a staggering 76% decline in insect biomass in German nature reserves, with average summer decline reaching 82%. The exact causes are unclear, but experts warn of potential ecological traps and call for increased monitoring and conservation efforts.
Researchers have analyzed DNA of living and dead Lord Howe Island stick insects, confirming their species identity and increasing likelihood of successful reintroduction. The study highlights the importance of museum collections in taxonomic validation.
Researchers used genetic sequencing to confirm that Ball's Pyramid stick insects are the same species as Lord Howe Island's, making them officially resurrected. The discovery provides hope for reintroducing the insect into its native home on Lord Howe Island.
Researchers from Finland's Universities of Turku and Helsinki have identified dozens of prey species consumed by adult dragonflies using DNA analysis of faecal samples. The study provides unprecedented specificity on the position of dragonflies in natural food webs.
Researchers at Lund University have discovered an optimal speed for certain insects when they fly, consuming the least amount of energy. Flying slowly or fast requires the most effort, with a moderate speed of 2-3 meters per second being the most energy-efficient.
Researchers discovered mushroom bodies in mantis shrimp brains, a structure previously only found in insects. The findings suggest that these complex structures may have evolved early in the evolution of all arthropods.
A study by Cornell University researchers found that plants use coordinated signals of color and fragrance to attract insects, which are essential for pollination. The research provides a new framework for understanding the complex relationships between plants and their pollinators.
Researchers at KU Leuven discovered that humans no longer have the Argonaute proteins that help insects and plants fight viruses. This loss explains why RNAi is less effective in humans than in insects.
Scientists discovered that insects can see in far greater detail than previously thought due to the rapid movement of photoreceptor cells, allowing them to resolve small objects at high speeds. This challenges long-held assumptions about insect vision and has implications for improving robotic sensors.
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.
Kasey Fowler-Finn's research explores how temperature variation affects treehoppers' ability to recognize potential mates and reproduce. The study aims to understand the potential impact on ecosystems if some species drop out due to temperature changes.
Researchers found that high levels of silicon concentrations decrease insect growth and root consumption by up to 71%. Silicon helps plants build phytoliths, making them less digestible to insects, and triggering an immune system response. This natural defense mechanism could provide a sustainable solution for crop protection.
Researchers found that ant species with closely related genetic backgrounds can have significantly different chemical profiles, which can change faster than other traits during evolution. Climate also influences the composition of these profiles, with species from humid regions having distinct hydrocarbon patterns.
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.
A review of over 170 studies reveals that insect analysis is only useful in a few forensic cases. The method's success relies on species distribution, temporality, behavior, and genetic analysis, which should be applied case-by-case.
Researchers at Boyce Thompson Institute have received a four-year DARPA award to develop insect-vectored viruses for disease-resistant maize. The project, titled Viruses and Insects as Plant Enhancement Resources (VIPER), aims to engineer genes into maize that can help combat disease, drought, and other yield-reducing stresses.
Researchers at UCR discovered that infected insects emit an odor called prenol that repels nematodes looking for a new host. This finding supports the use of nematodes as a tool for controlling crop pests.
A recent study deployed green clay caterpillars across six continents to reveal that insects are responsible for the majority of predation observed. The findings suggest that predation pressure is stronger in the tropics due to the need for insects to innovate defense mechanisms against predators.
Researchers studied the effects of miniaturization on insect organs, finding that some systems remain constant in volume despite size reductions. The study, published in Scientific Reports, reveals insights into the adaptability of insect structure to scaling and reduction in body sizes.
A study published in Journal of Cleaner Production found that cricket farming can be a more environmentally sustainable way to produce animal source foods. The research compared cricket production to broiler chicken production and identified areas for further improvement, such as exploring alternative feed sources.
A study by Florida Museum of Natural History found that noise pollution from gas compressors significantly decreases the populations of certain insects and spiders, while increasing others. This shift in arthropod communities could have larger-scale ecological consequences.
Replacing beef with insect-based foods could reduce greenhouse gas emissions and free up vast areas of land, according to a new study. The researchers found that eating more insects or imitation meat could halve global consumption of animal products, freeing up 1680 million hectares of land.
Nematodes, microscopic worms that control diseases in humans and kill insects, secrete deadly cocktails of proteins to infect hosts. Researchers developed a method to work with nematodes outside their host, identifying 472 proteins involved in parasitism.
Tel Aviv University researchers studied whiteflies' takeoff method, finding they use wingtip air resistance to stabilize before spreading wings. This technique may be applied to miniaturized drones for improved stability during takeoff.
A new Oxford University collaboration analyzed mosquito wing movements to understand flight dynamics. The study revealed two novel aerodynamic mechanisms, including trailing-edge vortices and rotational drag, that enable high-frequency flight.
Research by Tongchuan Li found that ants create aggregate mulches in agricultural fields, which can retain water and improve soil health. The type of ant studied, Camponotus japonicus, is widespread in China and helps increase air and organic matter in soil.
Zoologists at the University of Basel and Lund University found that spiders kill an enormous number of insects worldwide, with estimates ranging from 400-800 million tons per year. This has significant implications for maintaining ecological balance in nature.
Researchers at Yale University and Vanderbilt University have discovered a common bacterium that can be used to sterilize male insects, potentially controlling disease-bearing mosquitoes and agricultural pests. The discovery of two genes encoded by Wolbachia bacteria can completely sterilize male fruit flies.
Researchers found that moths in the subfamily Arctiinae mimic wasps to evade birds and other predators. However, their nearly perfect resemblance is not due to learning from experience, as previously thought, but rather to deceive actual wasps into thinking they are part of the same species, thereby avoiding attack.
A UK-based Centre for Ecology & Hydrology study has devised a scientific model to help predict the spread of Xylella fastidiosa, a deadly pathogen threatening Europe's olive trees. The model suggests that wider buffer zones can reduce infection risk but may not stop the spread completely due to disease-spreading insects.
Researchers found that man-made disruptions in natural flow patterns contribute to reductions in both the abundance and diversity of fish and insects. The study provides a scientific basis for establishing ecological flows in North Carolina's major river basins.
Researchers found a faster way for six-legged robots to move on flat ground without adhesive pads, dubbed the 'bipod' gait. This locomotor strategy is more efficient than traditional tripod gait used by insects.