Articles tagged with Invertebrates
A review paper highlights the importance of insect biodiversity in supporting vertebrate life, from food sources to shelter and medicine. The study emphasizes the need for insect conservation to address the decline of insect populations, which can have significant impacts on ecosystems.
Two new sea spider species are discovered in the Salish Sea, shedding light on the diversity of marine arthropods and their impact on ecosystems. Researchers found these species to have unique traits, such as hairy legs, red eyes, and dexterous ovigers.
The World Beneath Our Feet wins the British Ecological Society Book of the Year 2026 for its engaging and accessible exploration of soil biodiversity. The book takes readers on a journey through the subsoil, introducing them to strange and fascinating organisms that play critical roles in nutrient cycling, agriculture, and carbon storage.
Scientists discovered a 518-million-year-old fossil that challenges the origins of starfish, revealing they ate using tentacles, not gills. The fossil, Yujingia glutenotunica, provides rare insight into the evolution of ambulacrarians, a group including starfish and sea stars.
Researchers used snail shells to recreate prehistoric cyclones in South East Queensland, Australia, by analyzing growth rings and stable isotopes. The study showed that snails responded to extreme rainfall events, not annual wetness, providing a new climate archive for the region.
Scientists have discovered 10 new species of branching marine worms, shedding light on their evolution and diversity. The study, published in the Zoological Journal of the Linnean Society, used DNA sequencing and anatomical analyses to solve a long-standing puzzle and provide new insights into the evolution of complex body forms.
Researchers have developed a genetic toolkit to isolate individual neuron types in a fruit fly brain, revealing distinct neuronal subgroups that produce different effects, including suppressing aggression. The study identifies a universal control of aggression across sexes and highlights the complex roles of neurons within the same neu...
Researchers at the University of Maine discovered that planktonic baby lobsters preferentially feed on Calanus finmarchicus, a tiny, calorie-rich zooplankton species, during one of the most vulnerable stages of their lives. This finding is crucial to understanding fluctuations in the abundance of lobster larvae and future adult lobsters.
A large-scale study of nearly 700 species of Neogastropoda provides strong evidence for their single evolutionary origin, identifying four new families and a previously undetected burst of diversification in the early Cenozoic. This finding challenges existing knowledge of marine snail diversity and evolutionary history.
A new Cochrane map has identified significant gaps in dengue prevention research, with most studies lacking synthesis into reliable reviews that policymakers can use. The map highlights areas such as vaccine implementation, adult mosquito control, and environmental interventions, which require more evidence to inform effective dengue c...
Research from the University of California - Riverside shows that pesticides like thiamethoxam and boric acid change ant behavior, with some ants becoming more active outside the nest before dying. This altered behavior may be due to neurological effects caused by the chemicals.
Researchers developed a new environmentally friendly insecticide using nanoemulsions of diallyl disulfide and carvone, which showed enhanced toxicity against the adzuki bean beetle while having relatively low impact on parasitic wasps. The nanoemulsions were also safe on seeds and enhanced root growth.
The newly discovered species Erhaia dijiang is a true troglobiont, adapted to its pitch-black environment with degenerated eyes and a highly translucent shell. It inhabits underwater gravel and crushed stone at depths of less than one meter, where water temperatures remain consistently near 20°C.
The discovery of two new snail species in Montenegro highlights the need to protect the country's biodiversity. The snails, found in Durmitor National Park and Komarnica Canyon, were described as having unique features such as conical shells and a circular disk on their tails.
Researchers found that sea anemones can selectively distinguish between beneficial and harmful bacteria thanks to 'nematosomes'. This ability is crucial for maintaining a stable microbiome. The study suggests that invertebrates may have sophisticated mechanisms for supporting beneficial microorganisms.
A new species of harvester ant, Messor odrysarum, has been discovered in the Eastern Rhodopes region of Bulgaria. The species is part of the Messor genus and has distinctive physical traits compared to its close relatives.
Researchers analyzed DNA samples from foraging honeybees, hive workers, and their honey to understand plant-microbe interactions in honeybee ecology. The study found that these complementary sources provide distinct insights into the complex relationships between plants, microbes, and honeybees.
A new beetle genus named after Monkey D. Luffy has been discovered, encompassing two distinct species: Luffy schillhammeri and Luffy nika. The genus features elongated mandibles and antennae reminiscent of Luffy's rubber body abilities.
The study highlights the significant demand for brachyuran land crabs, with species being sold on e-commerce platforms like eBay, and often without welfare advice. The research aims to inform conservation and policymaking efforts by understanding the extent of the trade.
A new estimate of insect species globally suggests that there may be 8-14 million more species than previously thought, with many yet to be discovered. The study, using genetic information and statistical strategies, conservatively estimates the total number of insect species at around 14-20 million.
A new study discovered a previously unknown antiviral defense mechanism in sea anemones, revealing that animals may have evolved more than one way to fight viral infections. The findings suggest that fundamentally different antiviral strategies have emerged across the animal kingdom.
Researchers from Nantong University found rich biodiversity and 80 different species of springtails in two nature reserves. They described five new scaled species belonging to three genera of the Entomobryidae family.
A new study from Cornell University found that farmed eastern oysters are adding to and breeding with wild eastern oyster populations in the western and central Long Island Sound. This genetic evidence suggests that oyster farms may provide a demographic supplement to dwindling populations, potentially benefiting ecosystem services.
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.
A new spatially explicit population model for springtails in soil simulates dynamic environmental conditions, linking development and reproduction to temperature and moisture. The model provides a realistic assessment of ecosystem health under changing environments.
A recent study led by UCL researchers found that cooperative societies of tropical paper wasps can survive fierce leadership battles due to individual wasps that pick up the slack. These compensators avoid conflict and increase their investment in essential tasks like foraging and brood care, maintaining societal function.
Researchers found significant increases in invertebrate abundance following rodent eradication, particularly among larger-bodied species vulnerable to predation. The study highlights the crucial role of invertebrates in ecosystem function and recovery.
Researchers found that treating woodland trails with woodchips and insecticide significantly reduced the density of blacklegged ticks, a primary vector of Lyme disease. The study demonstrated that both deltamethrin-treated and untreated woodchip interventions can effectively reduce tick populations in recreational contexts.
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.
The discovery of seven millimeter-sized phosphatized fossils from the early Fortunian Kuanchuanpu Formation provides evidence of annelid body fossils from Cambrian Orsten-type fossil localities. The findings suggest that early annelids were polychaetes, supporting the hypothesis that polychaete morphologies were primitive among annelids.
A team of Cornell researchers has discovered a massive aggregation of ground-nesting bees, estimated to be over 5.5 million individual bees, in the East Lawn Cemetery. The discovery highlights the importance of these solitary bees as agricultural pollinators and adds credence to claims that cemeteries serve as preserves of biodiversity.
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.
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 USF study challenges long-standing assumptions about the brown recluse spider, finding it's far less common in Florida and exhibits a lower propensity to bite. The research also reveals that bites typically produce shallow wounds with minimal tissue damage.
Researchers found caterpillars mimic ant signals using precise rhythmic beats to gain acceptance, feeding, and protection. The most ant-dependent species produce regular, complex rhythms similar to those used by ants.
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.
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.
Researchers have developed a new method to map the location of honey bee 'dance floors,' where forager bees perform waggle dances. This method allows for accurate quantification and comparison of waggle dance regions, enabling better understanding of honey bee communication.
A collaborative effort by researchers from the University of Göttingen and other institutions is creating a genomic inventory of European marine annelids. The goal is to accelerate biodiversity research worldwide and counteract the 'silent extinction' of marine species.
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.
A comprehensive review reveals devastating loss of island land snail biodiversity, with extinction rates ranging from 30% to 80%. The Hawaiian Islands, in particular, have lost up to 90% of their unique native snail species due to human arrival and colonization.
A new study has found that living walls can significantly enhance urban biodiversity by attracting pollinators and other wildlife. The research revealed that soil-based living walls with plants in soil attracted more wildlife than those with artificial substrates, and specific plant species like ivy and honeysuckle were most effective.
A new study reveals that farmers in the Northeast are facing a growing threat of tick-borne diseases, which can be devastating to their livelihoods. The research found that farmers often experience multiple tick bites per month, with some contracting serious illnesses like Lyme carditis.
A study analyzed 679 honey samples from Italy and found that 98% contained at least one bee pathogen. This analysis may provide clues to bees' health, highlighting the need for further research on bee health.
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.
Madagascar hissing cockroaches gather in groups to conserve water when the air is dry, a behavior that helps them retain moisture. This strategy, previously observed in small insects and larvae, may become more common as climate change alters humidity patterns.
Researchers discovered that Clubiona spiders have unique antifreeze proteins that bind to ice crystals, preventing their growth at sub-zero temperatures. This adaptation is crucial for perennial agriculture as it could lead to reduced reliance on insecticides and combatting resistance.
Researchers discover a new parasitic strategy where an invading ant queen uses a chemical spray to manipulate host workers into killing their own mother. The study details two species of parasitic ants that use formic acid as a chemical camouflage to get past the colony's defenses.
A 47-year-old man from New Jersey died after consuming beef due to a tick-borne meat allergy caused by the Lone Star tick's alpha-gal sugar. Researchers identified the allergy and its link to fatal anaphylaxis, urging physicians to investigate severe abdominal pain after eating red meat in areas with high Lone Star tick populations.
In a study by Michelle Miner at UC Riverside, bumble bees were found to avoid foraging near ant colonies due to the risk of being bitten. However, aggressive bees who fought back were victorious in individual fights but may ultimately harm their colony by wasting energy.
Scientists have discovered a new species of deep-sea limpet clinging to a sunken log in the Central Pacific Ocean. The discovery provides crucial insights into ocean biodiversity and ecosystem secrets, revealing that even tiny islands of habitat can sustain deep-sea communities long enough for population turnover and dispersal.
Researchers discovered a common parasite of modern oysters has been infecting bivalves for hundreds of millions of years. The parasite, belonging to the spionid group, has remained largely unchanged despite multiple mass extinction events.
Researchers at University of Würzburg discover carpenter ants perform prophylactic amputations on injured workers, halving infection spread and doubling survival rate. This unique approach is reminiscent of human medical logic, highlighting the importance of timely treatment in densely populated colonies.
New research from the Stowers Institute for Medical Research reveals planarian stem cells ignore their nearest neighbors and respond to signals further away in the body. This discovery may help explain the flatworm's extraordinary ability to regenerate and offer clues for developing new ways to replace or repair tissues in humans.
A study by Okinawa Institute of Science and Technology researchers found that 79% of endemic ant species in Fiji are declining over the past few hundred years, coinciding with European contact and modern agricultural techniques. In contrast, non-native ant species are exploding in population.
A new study found potentially concerning concentrations of domoic acid in wild sea stars, which could have cascading consequences for marine biodiversity. The researchers also observed behavioral and physiological changes in response to the neurotoxin, raising concerns about its potential impacts on keystone species.
Researchers at Binghamton University have identified two previously unknown species of parasitic wasps living in the United States, highlighting the importance of biodiversity and oak gall wasp diversity. The discovery sheds light on how these insects escape diverse and evolving clades of parasites.
Researchers developed a sustainable solution to help tackle honeybee decline by creating an engineered food supplement. The new feed, designed to provide essential compounds found in plant pollen, significantly enhances colony reproduction.
Researchers identified X- and Y-linked sequences in Nautilus, indicating a more dynamic sex determination system than previously thought. The study's findings have implications for cephalopod biology and conservation.
Monarch butterflies utilize magnetic fields for migratory directionality, with orientation recalibrated by cold temperatures. Experimental study suggests this ability may be disrupted under climate change, threatening their migration patterns.