War of the ants intensifies in North America

  • Updated: March 2, 2013 - 4:56 PM
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An Asian needle ant, left, stings a termite.

An aggressive species of ant may be losing ground in North America to a more aggressive species, a study said published in PLoS One. The danger for humans is that the on-the-rise Asian needle ants have venomous stings that can cause weeks of burning and itching — and more severe reactions in victims who are allergic. Argentine ants do not pose a direct threat to humans. The researchers think the Asian ants have an advantage over the Argentines because they are active in cool weather, when the Argentine ant rests.

new york times

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