Articles tagged with Ants
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A study found that invasive Argentine ants eliminate native ant species, affecting seed burial and plant regeneration in fynbos ecosystems. This disruption can have cascading effects on the entire community, highlighting the threat of invasive species.
Researchers discovered that ants and bees use dynamic sticky organs to adhere to various surfaces. The arolium footpad, which secretes a fluid for adhesion, is a key component of this complex system.
Researchers at North Carolina State University discovered that fire ant queens can alter the sex ratio of their colonies by limiting female eggs laid. This finding suggests a negotiated middle ground between queens and workers, who have competing interests in raising new colony members.
Biologists at UCSD discovered that the Argentine ant's ability to thrive in California is due to its low genetic diversity, which allows it to recognize and accept individuals from the same colony. This has led to the formation of a single, large 'supercolony' that dominates native species.
Researchers find that African ants' pruning behavior increases colony life span, but harms host trees, sparking debate on ecological partnerships. The study sheds light on why weaker competitors can persist in diverse ecosystems.
Fire ant attacks have been reported in US healthcare facilities and homes, resulting in severe medical complications, including death. The medical complications of fire ant stings can range from mild irritation to death from a generalized allergic reaction, depending on the number of stings and the physical condition of the victim.
Researchers at Virginia Tech created an environmentally safe bait to control carpenter ants by understanding the insects' foraging behavior and diet. The bait was developed using a combination of proteins, sugar, and other compounds, and has been shown to be effective in reducing ant populations and improving homeowners' quality of life.
A University of Colorado at Boulder study reveals that Ectatomma ruidum ants employ chemical camouflage to infiltrate neighboring nests and steal food, relying on vigilance of guard ants to eject intruders. The unique strategy allows the peaceful species to prosper despite its inability to kill individual members.
A new study reveals Argentine ants' success mechanisms, including numerical advantage and lack of natural enemies. The ants' unique colony structure and ability to form large supercolonies enable them to dominate native ant populations.
Researchers found that native gray ants are the most important predator of peach twig borer larvae in peaches and nectarines. Native gray ant populations were not affected by orchard floor management practices, but cultural practices like cover cropping or disking may benefit them by reducing southern fire ant numbers.
Researchers at Clemson University are testing a naturally occurring disease to control fire ant populations, which have devastating effects on the environment and economy. The disease reduces the ability of queen ants to lay eggs, slowly killing colonies over six to eight months.
Researchers found that flooding in Venezuela's Lake Guri dam project isolated butterfly and ant species, causing some to thrive while others declined. The study highlights the complex effects of ecological disturbances and has implications for conservation efforts in fragmented landscapes.
Researchers at Cornell University have identified a chemical compound, anabaseine, in the secretions of ants that shows promise as a potential treatment for Alzheimer's disease. The compound stimulates nicotine receptor sites in the brains of patients and helps reduce memory loss.
The discovery of 92-million-year-old fossil ants in New Jersey amber confirms the existence of ants during the Age of Dinosaurs. The fossils show a metapleural gland, essential for ants' social system and ecological dominance.
Recent insect fossil discoveries show that beetles and ants played a crucial role in recycling nutrients in Jurassic ecosystems. The findings, published by University of Colorado at Boulder researcher Stephen Hasiotis, provide new insights into ecosystem health and biodiversity.
Researchers discovered that the millipede Polyxenus fasciculatus uses its rear to confront ants and other attackers, employing a complex defense mechanism involving detachable bristles with barbed hooks. The bristle tufts can entangle predators, making it difficult for them to escape.