Articles tagged with Larvae
Scientists at UNM Health Sciences Center have developed a non-toxic method to eradicate Aedes aegypti mosquitoes, which transmit dengue, chikungunya, and Zika. The approach uses yeast cells infused with orange oil, which kills the larvae when ingested.
A recent study reveals that Mediterranean sea urchin populations are more genetically isolated than previously thought, with strong selection pressure on temperature adaptation. The analysis of genetic distribution suggests a progressive adaptation from west to east, highlighting the impact of global warming and geographical barriers.
A study led by University at Buffalo biologist Shermali Gunawardena has explored the properties of alpha-synuclein, a protein associated with Parkinson's disease. The research suggests that deleting a specific region of the protein may help prevent key problems that occur when too much alpha-synuclein is produced.
A team of scientists from Tokyo Metropolitan University discovered that a specific insulin-like peptide called ILP2 regulates the size of mandibles in broad-horned flour beetles. The study found that larvae fed sufficiently, showed elevated expression of ILP2, leading to larger mandibles.
A study reveals that predatory lacewing larvae can tolerate the toxic isothiocyanates produced by caterpillars of the diamondback moth, which are unable to detoxify glucosinolates. This difference in detoxification mechanism has no impact on lacewing fitness or prey choice.
Researchers at the University of Cambridge have discovered how aquatic larvae of net-winged midges create super-strong suction organs, enabling them to move around on rocks in turbulent water. This study aims to inspire the development of bio-inspired suction cups with improved industrial applications.
A team of researchers from Ben-Gurion University has developed an innovative approach to kill mosquito larvae by delivering bacteria into the male mosquito's gut during mating. The method uses natural bacteria that produce a toxin only lethal to mosquito larvae, resulting in a targeted and effective biological pest control solution.
Researchers find over 100 insect larvae in amber, providing new evidence on the ecology of Eocene-era forests. The discovery supports a warm-to-temperate seasonal humid forest ecosystem interpretation, and offers insights into the evolution of dipteran larvae.
Researchers found that tobacco hawkmoths use a specific receptor, IR8a, to detect the smell of larval frass and avoid competing conspecifics. This allows them to select better oviposition sites for their offspring, increasing their survival rates.
Zebrafish larvae's ability to coordinate movement and maintain balance improves as they age, mirroring human brain function. The study suggests that the developing fish rely on their vestibular organs to oversee improvements in coordination needed to remain horizontal.
A recent study reveals significant elevations in anti-inflammatory lipid mediators in response to Toxocara roundworm infections, which contribute to the pathogenesis of neurotoxocarosis. The findings provide new understanding of host-parasite interactions during this disease.
A new study found that North Atlantic haddock larvae use a magnetic compass to navigate the ocean, orienting towards the northwest. This discovery suggests that the larvae are equipped with an innate ability to detect and respond to the Earth's magnetic field.
Researchers discovered that burying beetle larvae respond to a specific pheromone emitted by their mothers to indicate feeding times. This allows the larvae to efficiently coordinate feeding and avoid unnecessary energy expenditure.
Researchers found that herbivores like cutworm larvae can detect and respond to plant volatiles, triggering an immune response and protecting against parasitoid attacks. This unique ability allows the insects to 'smell' chemicals and counteract, revealing a new mechanism of communication between plants and their enemies.
A new study found that naproxen's degradation products are up to 15 times more toxic to southern toad larvae than the medication itself. Researchers emphasized the importance of considering the full life cycle of medications when evaluating their environmental impact.
Researchers at Duke University discovered that gall midge larvae use a hydrostatic legless jumping mechanism, which allows them to launch themselves through the air with incredible speed and efficiency. This remarkable behavior is made possible by sticky patches of skin on the larva's body, similar to those found on geckos' feet.
Researchers discovered that Asphondylia maggots use microscopic hairs to latch onto surfaces, forming a temporary leg to launch themselves into the air. This unique mechanism allows them to catapult themselves up to 121mm in just a few seconds, saving energy compared to crawling.
Coral mass spawning events are becoming more frequent, allowing corals to spread their offspring across different reefs. This phenomenon improves the Great Barrier Reef's resilience and increases its recovery potential.
Researchers developed a novel, biodegradable larvicide system using thymol from thyme essential oil, which is effective against Aedes aegypti mosquitoes. The system uses microcapsules made of corn starch particles to control the release of larvicide, making it suitable for small water containers and reducing environmental harm.
Researchers discovered that caterpillar larvae can perceive background color independently of their eyes and change their body color accordingly. This adaptation helps them match their surroundings, potentially reducing the risk of predation by birds. The study sheds light on how lepidopteran larvae protect themselves from predators.
Researchers in Japan are utilizing creepy-crawlies to study human disease, develop diagnostic kits and create sustainable fertilizers. Genome Pharmaceuticals Institute uses silkworms to identify compounds for treating infections and boosting immune systems.
A new Cornell University study reveals that releasing natural enemies to combat pests is more effective in fields surrounded by forests and natural areas, resulting in fewer pests, less plant damage, and increased crop biomass. Conversely, farms with predominantly agricultural landscapes saw the opposite outcome.
New research reveals coral reefs have retreated from tropical waters and established new reefs in more temperate regions over the last 40 years. This shift is attributed to climate change, which has warmed ocean temperatures, favoring corals' growth in subtropical areas.
Researchers found that environmental stressors can influence phenotypes of offspring and even be passed down to future generations. The study discovered a specific brain region involved in the inheritance of ethanol preference behavior, which was observed for five generations in fruit flies.
Researchers use harmless fluorescent dye to track oyster larval movements in Mobile Bay, finding larvae are transported from lower bay to Mississippi Sound via freshwater flow paths. This approach can be applied to other marine species, aiding restoration and management of larval transport pathways globally.
New research reveals migratory hoverflies pollinate billions of flowers, produce aphid-eating larvae that control crop pests. The study shows these numbers have been relatively stable over the last decade, providing essential ecosystem services.
Research by an international team including the University of Saskatchewan has found toxic metals in European eels' ovaries, potentially jeopardizing their reproductive success. The metals, including mercury and copper, are concentrated in the eels' bodies during their journey to spawning grounds.
A UC Davis study found that environmental temperature significantly affects the development of frog eggs into larvae, influencing gene expression and neurodevelopment. The research also suggests that fluctuations in body temperature may impact nervous system development and disease in humans.
A new study published in Science has found that tiny, mostly bottom-dwelling creatures called cryptobenthic reef fishes perform a critical role on coral reefs. These small fish supply almost 60% of the consumed fish food by constantly replenishing their populations.
Scientists developed a reverse-engineered computer model to describe microscopic marine larvae behaviors, providing new insights into their dispersal and distribution. The approach abandons previous methods, revealing realistic patterns observed in nature, enhancing understanding of the marine environment.
Researchers found that sharing waters with an invasive Asian rockpool mosquito species reduces parasitism in native eastern tree-hole mosquito species, known as a dilution effect. The presence of the invasive species decreases parasite prevalence by 13-27% compared to 72-90% when kept alone.
A study published by the Smithsonian Tropical Research Institute has identified eight potentially new species of phoronid larvae, a type of horseshoe worm found in Panama's two oceans. The larvae were collected from plankton samples and analyzed using DNA sequencing to distinguish between different species.
Marine invertebrates' vision is highly sensitive to oxygen levels, with reduced oxygen causing 60-100% vision loss. Most species recover visual function when oxygen levels are restored.
Researchers found that parasitoid wasp larvae use the ecdysone hormone to hack into spiders' internal code, inducing changes in web construction and behavior. This external parasite rides on the surface of the spider's abdomen, injecting psychotropic substances to access the brain.
The dengue mosquito is the primary transmitter of Zika virus in Queensland, with a 50-60% transmission rate. The discovery suggests that Zika could persist in mosquito populations, posing a risk to human health.
A recent study found that mixing different cultivars of St. Augustinegrass reduced fall armyworm infestations in lawns. The researchers discovered that the caterpillars preferred single-variety plantings, but when multiple cultivars were planted together, it created a more pest-resistant lawn.
Researchers discovered that sex-determining genes control beetle horns and identified the timing of sex differences appearing at 36 hours after a reference point. The study found that transforming gene suppression during larval stages leads to male-like horn formation in females.
A small peptide produced in predatory nematodes' skin prevents them from eating their kin, while they feed on close relatives. The discovery reveals a self-recognition system in nematodes that discriminates between self and other organisms.
New research reveals that global warming has made it difficult for coral reefs to recover, with a 89% decline in adult corals and a 93% drop in coral replenishment. The study's findings indicate that the Great Barrier Reef's resilience is now severely compromised by global warming.
Researchers discovered that CG9186 protein restricts hormonal signalling pathways, including insulin pathway, affecting Drosophila growth. The study suggests a link between the protein's absence and altered growth rates in larvae.
A new study on young hellbenders' habitats found that selecting a 'just right' rock is essential to avoid cannibalism. The research suggests that larvae tend to live under small rocks, while adults prefer larger boulders with specific gravel flooring characteristics.
Researchers have discovered that salamanders, like the Italian Crested Newt, chew their prey using their palatal teeth, breaking it up with a rhythmic motion. This unique chewing mechanism is similar to that found in ancient mammals and may date back to the early days of land-based vertebrates.
Columbia engineers and neuroscientists use SCAPE microscope to create 3D videos of individual nerve cells moving, stretching, and switching on inside fruit fly larvae. The study reveals how nerve cells called proprioceptive neurons work together to help the body sense its position in space.
Researchers from Bielefeld University and international partners have confirmed two-fold ability of antifreeze molecules to trigger or inhibit ice crystal formation depending on temperature. This discovery challenges the long-held view that antifreeze proteins only inhibit ice crystal growth.
In a groundbreaking study, researchers found that smaller beetles can boost their fitness by partnering with tiny mites, which provide a 'warm jacket' effect during exercise. This mutually beneficial relationship allows smaller beetles to win more fights over resources, while larger rivals experience reduced fitness.
Researchers found nematodes produce distinctive chemical cues that deter Colorado potato beetles and make potato leaves less palatable. This could provide a natural alternative to chemical pesticides.
Belgica antarctica flies secrete a clear jelly around their eggs, acting as temperature and humidity buffer. The gel helps the eggs survive Antarctica's temperature fluctuations and dryness, allowing them to thrive in the continent's extreme environment.
A new study published in Global Change Biology reveals that high CO2 concentrations cause significant harm to Atlantic cod larvae, leading to underdeveloped gills and developmental delays. The findings contradict previous assumptions that larvae could adapt to acidic conditions through acclimation of parental generations.
New research identifies insecticide combinations that are lethal to honeybees and their larvae, leading to a recommendation to stop using these chemicals during almond bloom. The study's findings have already led to changes in industry practices, with many growers backing off insecticide use.
Ground beetles of the genus Ozaena have been found to have morphological modifications that indicate they parasitize ant nests, unlike other species. These adaptations enable them to exploit ants as their sole source of food throughout their life cycle.
A robot has successfully delivered heat-tolerant coral larvae to the Great Barrier Reef in the first small-scale pilot of a new technique to help restore and recover coral reefs. The robot, called LarvalBot, disperses microscopic baby corals onto damaged reef areas allowing them to settle and develop into coral polyps.
Researchers at Woods Hole Oceanographic Institution found that coral reefs' soundscape influences coral larvae's choice of settlement, with healthy reefs having more fish sounds attracting larvae. The study suggests using sound to aid in coral reef preservation and potentially rebuild damaged reefs.
The study warns that a temperature increase of over 1.5°C will cause dramatic worsening in the survival chances of offspring for important fish species, including Atlantic cod and polar cod. This could lead to a significant loss of breeding grounds and population decline, with severe consequences for Arctic seals and seabirds.
Researchers at Ruhr-University Bochum discovered that water fleas detect predator presence through a cocktail of signalling molecules secreted by Chaoborus larvae during digestion. The fleas respond by growing defensive features such as neckteeth and spines, making them harder to consume.
Researchers discovered a newly found species of wasp transforming social spiders into zombie-like drones, abandoning their colonies. The wasps' parasitic relationship involves injecting hormones to alter the spider's behavior, making it leave its nest and spin new structures.
A new study finds that effective management of local issues can mitigate the detrimental impact of future global environmental changes on marine organisms. The research highlights the importance of adjusting regulation associated with oil spill prevention to maximize resilience in marine ecosystems.
Elephantnose fish recognize their prey by electric colors, using two types of receptors to determine intensity and shape. They can distinguish between living and dead objects and even recognize specific food sources like mosquito larvae with considerable accuracy.
Scientists are using a QUT-developed robot, transformed into LarvalBot, to deliver baby coral larvae onto targeted reefs as part of coral restoration efforts. The technique, known as larval restoration, has the potential to revolutionize coral restoration on reefs worldwide.
Researchers identified luciferin in a non-luminescent Brazilian cave worm larva, sparking interest in its potential biochemical functions. The discovery is the first of its kind in the Neotropics and opens up new avenues for research on the molecule's applications in biotechnology, medicine, and pharmaceuticals.
Researchers have developed a novel testing system using zebrafish larvae to filter out substances with unwanted side effects. They found over 500 substances that modulated appetite, with most having specific effects without interfering with known systems.