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Five Rival Supercolonies of Argentine Ants Engage in War in Southern California
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What Happened?
In Southern California, five supercolonies of Argentine ants are locked in a violent war, resulting in millions of deaths annually. Researchers reported at least 15 million worker ants died in a single skirmish.
Key points
- Argentine ants are native to South America and highly territorial.
- The species was spread globally in the 19th century through shipping.
- Southern California hosts five rival supercolonies of Argentine ants.
- The dominant colony spans a 1,000-kilometre radius along the California coast.
- Researchers reported an average of 15,000 deaths per battle between supercolonies.
- A single skirmish near Lake Hodges resulted in 15 million ant deaths.
Key insights
- The war among supercolonies reflects a unique ecological phenomenon with implications for understanding territorial behavior in insects.
- The high mortality rates could affect the local ecosystem balance in Southern California.
- The inability of the supercolonies to reach a resolution may indicate a fundamental aspect of their biology.
Why it matters
The ongoing war among Argentine ants highlights the complexities of ecological interactions and territorial disputes in nature.
Entities
Argentine ants· SpeciesCalifornia· StateSan Diego· City
Source
Times of India
