Articles tagged with Ants
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Researchers found that Stomaphis aphid diversification was primarily driven by host plant shifts, rather than associated ant species. The study revealed a surprising finding that the aphids had not shifted between closely related plant species, but instead between very distantly related host plant taxa.
Ants adapt their behavior to avoid traps by associating visual cues with negative experiences. Researchers studied two species of ants that changed their route on the second attempt after experiencing a setback.
A new study by Texas A&M University biologist Dr. Charles Criscione and collaborators reveals that family ties play a crucial role in the survival of parasitic organisms. Brain flukes sacrifice themselves to ensure the survival of their relatives, who co-infect the same ant's abdomen.
Studies have shown that turtle ant soldiers exhibit a four-fold difference in head shapes, adapted to different tunnel sizes. The research suggests that evolution can be dynamic and reversible, with some species evolving back into more generalist stages.
Researchers studied turtle ants using a species-level comparative analysis, finding that the evolution of head shape and size is reversible and decoupled within soldier and queen castes. This suggests that flexible adaptive evolution at the species level facilitates adaptive diversification of derived social lineages.
A study on the parasitic lancet fluke Dicrocoelium dendriticum found that genetically identical brain flukes are often present in both ant brains and abdomens, suggesting kin selection plays a key role in its evolution. This manipulation of host behavior supports an altruistic strategy, where clonemates are cotransmitted into ants.
The study reveals that ants' cuticular hydrocarbon layer exhibits a huge melting range, from -45 degrees Celsius to 40 degrees Celsius, composed of both liquid and solid components. This unique property allows the layer to fulfill both communication and waterproofing functions.
Researchers at the University of South Australia found that sugar ants prefer higher concentrations of urea in urine, which could reduce nitrous oxide emissions. The discovery shows a symbiotic relationship between ants and vertebrates in dry environments, highlighting the importance of nitrogen cycling.
Plant researchers have discovered a dual guidance system that enables plants to grow stronger and respond more flexibly to environmental cues. This autonomous system allows cellulose synthase complexes to interact with chemical trails left by other complexes, guiding the arrangement of cellulose fibres.
Researchers discovered that ants must smell and correctly decode chemical markers on intruder ants to trigger aggressive behavior, defaulting to acceptance otherwise. This 'lock and key' mechanism may contribute to the evolutionary success of ants.
Ants cultivate plants in full sun to obtain more floral food, but this condition also leads to increased plant damage and fewer plant numbers. In contrast, shade-cultivated plants produce less food for the ants but receive more nitrogen fertilizer input.
Ants' social interactions and sanitary care significantly impact the competitive outcome of coinfecting pathogens within the insect body. By modulating pathogen competition, ants' grooming helps prevent infections, altering the disease outcome.
Researchers found that ant societies may divide labor based on the same dynamics driving political polarization, including social influence and interaction bias. The study suggests that erasing differences through inter-group interactions can rebuild consensus and drive emergent behavioral specialization.
A study published in Integrative Organismal Biology reveals that ants like Gigantiops destructor use their abdomens to add speed and power to their jumps, enabling them to travel faster through leaf litter habitats. This unique behavior allows the ants to navigate complex forest floors with greater ease.
Leafcutter ants can predict adverse weather by sensing changes in atmospheric pressure, allowing them to collect and store the largest possible amount of food. Under low pressure, scouts leave the nest faster, increasing foraging efficiency and cutting more leaves.
A study by University of Michigan researchers reveals that Azteca ant colonies in Mexican coffee farms exhibit a Turing pattern, similar to leopard spots and zebras' stripes. This finding highlights the complexity of agroecological systems and challenges simplistic pest management approaches.
Researchers discovered a single female pangolin has higher levels of chitinase, an enzyme breaking down insect protein, than other animals. This suggests pangolins have specialized dietary needs and require specific foods when raised in captivity.
Scientists explore how fire ants build rafts to respond to changes in their environment during floods. The ants' ability to sense and adjust to fluid forces enables the formation of durable and safer rafts.
Researchers at OIST Graduate University have created the first augmented reality experience to pair with a taxonomic research paper, presenting six new species of Strumigenys ants from Fiji. The app, Insects3D, allows users to view 3D models of ant specimens in AR and magnify them up to the size of a lion.
Researchers find epigenetic regulator CoRest plays a major role in differentiating social behavior in ants, influencing foraging and defense behaviors. Reprogramming of Major soldier ants to forage was shown to occur through transient epigenetic plasticity linked to long-lasting behavioral change.
Researchers at the University of Pennsylvania School of Medicine discovered an epigenetic pathway that controls social behavior in carpenter ants. The study found that Major ant soldiers can be successfully reprogrammed up to 5 days after they hatch, but not beyond 10 days, revealing a narrow window of epigenetic plasticity.
A global ant expert has discovered a new, native species in his Utah backyard, which is likely adapted to the region's warm and moist habitats. The species, Strumigenys ananeotes, was found in areas with over 150 years of irrigation and introduced forest.
Scientists develop a waterproof metal structure, repelled by water after being submerged for long periods, thanks to femtosecond laser patterns mimicking spiders' diving bell webs and fire ants' air-trapping abilities. The unique etching technique traps air within the structure, preserving its buoyancy even when damaged.
Wood ants trapped in a Polish nuclear bunker were found to survive on cannibalizing dead nestmates when food was scarce. A recent study revealed the ants' ability to adapt to marginal habitats and suboptimal conditions, allowing them to thrive in the confined space.
Aarhus University researchers have found that ants inhibit at least 14 different plant diseases through the secretion of antibiotics and pheromones. The discovery has sparked hope for new biological control agents in agriculture, which could be used to combat resistant plant diseases.
Researchers have identified 10 previously hidden pyridine alkaloids in fire ant venom, which could help explain the severity of bites and potential health complications. These compounds are found in different species of fire ants and even within individual ant castes.
Researchers at Penn Medicine discovered that ANT is crucial for mitophagy, a quality control process removing damaged mitochondria, and found that mutations leading to defective quality control cause heart disease. The study reveals ANT's two distinct roles: producing ATP and regulating mitophagy.
Researchers have discovered that Saharan silver ants can reach speeds of up to 0.855m/s, making them the fastest ants ever recorded. The team found that the ants' unique footwork, including a gallop-like movement and coordinated leg swings, allows them to navigate their desert habitat efficiently.
A study of over 89,000 scientific papers reveals that plant partners do not accelerate the rise of new ant species but rather may hinder it. The researchers suggest that ants' fates become linked to their plant partners' fate in mutually beneficial relationships.
Researchers found that ant-associated bacteria produce continually evolving variants of antimicrobials, making it harder for parasitic fungi to become resistant. This strategy could hold promise as a means to address antimicrobial resistance in the clinic.
Three innovative minds received the 2019 CNRS innovation medallist award for their groundbreaking work in reducing satellite size and propulsion units. Ane Aanesland and Dmytro Rafalskyi developed new propellant technologies, while Vance Bergeron created electrostimulation solutions to improve paralysis rehabilitation. Livio de Luca pi...
Researchers developed a fundamental model of collective movement that predicts optimal strategies for animal groups. By considering how individual movements should be optimized for colony success, the team found that animals like ants should allocate their foragers to areas with high probabilities of finding food.
Tracy Langkilde has been recognized for her research on how animals adapt to changes in their environments. She has studied the behavior of lizards towards fire ants and explored the impact of noise pollution on frogs' communication abilities.
Researchers have discovered how a fungus controls zombie ants by invading their mandibular muscles, breaking open membrane covering muscle fibres and causing the muscle to contract forcefully, resulting in the ant's death grip.
Researchers found that ants receiving protein from herbivorous arthropods increase their aggression in environments with scarce food supply. This discovery challenges the idea that only carbohydrates are offered by plants to protectants.
Researchers from the University of Pennsylvania discover a genetic mechanism controlling the development of specialized structures in acacia trees that feed and house ant colonies. The findings suggest an age-dependent phenomenon in plant development, where traits appear only after reaching a mature stage.
Researchers found that species already adapted to hot climates may actually benefit from increased rainfall. The study discovered a boom in the population of aggressive sugar-feeding ants with every rapid increase in rainfall.
Researchers at EPFL have developed Tribots, three-legged robots that can jump, communicate, and work together like ants. With multiple locomotion modes, they can detect and overcome obstacles, move objects, and even adapt to unknown environments.
Researchers discovered that the Venus flytrap's tactile sensors respond to minute pressure stimuli, converting them into electrical signals that cause the trap to close. The plant has evolved smaller traps to detect the smaller forces generated by lightweight mosquitoes.
Research shows that ant farming has remodelled plant physiology, leading to the evolution of ultra-absorptive plant structures. These structures actively target ant-derived nutrients, providing a key asset for epiphytes living in soilless canopies.
Despite population density fluctuations, ants adjust their social interactions to maintain sophisticated organization and division of labor, ensuring colony survival. The study reveals that ant colonies actively regulate spatial distribution and interaction behaviors to preserve critical elements of their social patterns.
Researchers want a standardized approach to studying how ants react to environmental changes, with insights suggesting all ant communities respond strongly to openness in their habitats. This heterogeneity is due to millions of years of biogeographic and evolutionary history, leaving a signature on contemporary ant community structure.
Researchers discovered African mole-rats are insensitive to allyl isothiocyanate, the active ingredient of wasabi, due to unique nerve structure leak channels. This finding may lead to new pain relief methods without addiction risks.
Researchers found that exposure to Spiderman and Antman movie excerpts reduces spider and ant phobia symptoms by 20%. The study suggests a new direction for positive exposure therapy, which may be an optimal solution for treating phobias. Marvel movies provide an accessible and enjoyable form of in-vitro exposure.
A fossilized beetle, Promyrmister kistneri, found to be the oldest-known example of an animal in a behaviorally symbiotic relationship with ants. The beetle's extreme adaptations allow it to infiltrate ant colonies, suggesting that freeloaders can persist over vast expanses of evolutionary time.
Researchers found that tropical fire ants in Florida can coexist with both single- and multi-queen colonies. In multi-queen colonies, all reproductive queens are genetically identical and reproduce asexually.
A team of researchers from the University of Hong Kong has added 13 new species to the existing list of ants, including three miniature trap-jaw ants and five non-native species. These discoveries highlight the importance of monitoring insect populations in Hong Kong and beyond.
A study on turtle ants found that gynes have larger brain volumes than soldiers and minor workers, while their brains differ in regions associated with cognitive processing. The authors suggest that these differences may aid in performing specialized tasks, and could provide insight into the evolution of caste specialization.
Gene activity in defenders reflects origin of attacking slavemakers, with successful invaders triggering weaker defenses. Researchers found that host ants react aggressively to rare slave-makers and not to common ones, highlighting the complex co-evolutionary relationship between parasites and their hosts.
Researchers at the University of Cincinnati found that adult jumping spiders mimic two species of ants to deceive predators, but retain their spiderly figures to woo potential mates. The spiders' detailed mimicry involves waving forelegs like antennae and performing weaving behavior, but they have lost the ability to jump.
Researchers document a new 'behavioral realm' in Eastern chimpanzees of the Bili-Uéré region, characterized by novel tool use and expanded food processing technologies. This discovery sheds light on the likely incipient traditions of early hominin ancestors and highlights the importance of studying intact ape cultures.
Researchers found that acacia ants can sense vibrations caused by mammalian browsers and respond accordingly. The ants patrol the branches more actively when they detect these vibrations, allowing them to navigate towards the source of the threat and defend their tree.
AntBot, a new robot developed by CNRS and Aix-Marseille University, replicates the navigation capabilities of desert ants using polarized light and optical sensors. The robot can explore its environment and return to its base with precision, covering distances of up to 14 meters.
Researchers found that lizards from high-stress environments had more robust immune systems when exposed to prolonged stress, suggesting a potential adaptive advantage. The study's results may have implications for human stress response and disease prevention.
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.
Researchers found that tilled fields had smaller ant nests, which consume fewer weed seeds, while no-till fields had more evenly distributed ant nests. This suggests that preserving ant colonies by reducing tillage could benefit farmers in managing weeds.
The Dracula ant has the fastest animal movement on record, with its mandibles snapping shut at incredible speeds. This unique mechanism allows the ants to capture prey and defend their nests, making them a fascinating subject for study.
The California Academy of Sciences has added 229 new plant and animal species to the family tree, including 120 wasps, 34 sea slugs, and seven flowering plants. These discoveries were made over five continents and three oceans, highlighting the vast and dynamic planet's unexplored places.
Research reveals that eastern fence lizards adapt their behavioral and physical traits to avoid being attacked by fire ants. As fire ants expand their range northward, lizards switch from relying on camouflage to twitching and fleeing to remove the ants, leading to significant changes in limb length and stress physiology.
Researchers found that ants' subdivision into groups reduces disease risk by changing behavior and interaction patterns. Colonies protect the queen and most valuable individuals from pathogens, with a high correlation between predicted spore load and mortality.