army ant
Definition
- Noun:
- A type of ant known for large-scale nomadic behavior and group predation: An "army ant" is a social insect, primarily found in tropical and subtropical regions, that lives in large colonies and exhibits collective hunting behavior. These ants do not build permanent nests but instead form temporary bivouacs and regularly migrate in massive groups.
Usage Examples
- Noun:
- The column of army ants moved through the forest floor, consuming any insects in their path.
- Researchers study the complex social structure of the army ant.
- An army ant colony can contain over a million individuals.
Advanced Usage
- Ecological Role: The term is used to describe these ants' function as major predators in their ecosystems, influencing the populations of other insects and small invertebrates.
- The foraging raids of the army ant are a key driver of nutrient cycling in the rainforest.
Variants and Related Words
- Driver ant: A common synonym, often used specifically for certain African species of army ants.
- Legionary ant: Another synonym emphasizing the military-like organization of the colony.
- Swarm: While not a variant of the word itself, "swarm" is frequently used to describe the large, moving mass of army ants during a raid or migration (e.g., ).
Synonyms
- Driver ant
- Legionary ant
Related Phrases
- Army ant raid: Refers to the organized group hunting expedition undertaken by the colony.
- The army ant raid cleared the area of nearly all small arthropods.
- Army ant colony: Refers to the entire social unit of these ants.
- The entire army ant colony can relocate its bivouac in a matter of hours.
Noun
-
tropical nomadic ant that preys mainly on other insects
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