Argentine Ants: Consummate Pests — and Biological Marvels

A San Diego Union-Tribune article examines how Argentine ants have flourished in Southern California. Here is an excerpt from that article:

“You may not see them, but they're nearby,” said David Holway, an associate professor of biology at UCSD.

Holway specializes in the study of ants, and L. humile in particular, which has become a pest pretty much everywhere it is found, which is pretty much everywhere it is not too hot, too cold or too dry.

Originally from subtropical forests in portions of Argentina, Brazil, Uruguay and Paraguay, the Argentine ant is believed to have arrived in the southern United States in the 1890s, a hitchhiker aboard ships importing coffee and sugar. To the ant, North America was a myrmecological Garden of Eden.

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Source: SignOnSanDiego.com