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The southern fire ant (Solenopsis xyloni), also known as the Californian fire ant or cotton ant, [1]: 89 is a stinging fire ant native to southern parts of the United States. [ 2 ] [ 3 ] [ 4 ] Its behaviour is similar to the red imported fire ant (S. invicta) , although its sting is less painful.
In the 1930s, colonies were accidentally introduced into the United States through the seaport of Mobile, Alabama.Despite earlier views that cargo ships from Brazil docking at Mobile unloaded goods infested with the ants, [1] recent DNA research confirmed that the likely source population for all invasive S. invicta in the United States occurred at or near Formosa, Argentina, and virtually ...
"Floating fire ant colonies can look like ribbons, streamers, mats, rafts, or an actual 'ball' of ants floating on the water." Nester says that Texans should try to avoid trekking through ...
Fire ant queens may live up to seven years and can produce up to 1,600 eggs per day, and colonies will have as many as 250,000 workers. [12] [18] The estimated potential life span is around 5 years and 10 months to 6 years and 9 months. [19] Young, virgin fire ant queens have wings (as do male fire ants), but they often cut them off after mating.
Santa Barbara County has spent a total of $15,000 eradicating local populations of red imported fire ants to prevent the invasive species from spreading.
Agricultural officials in Southern California are battling an active infestation of red imported fire ants that are "highly aggressive in nature," and pose a risk to California's agricultural economy.
In 1997, UC San Diego researchers observed fighting between different Argentine ants kept in lab, and in 2004 scientists began to map out the boundaries of the different supercolonies that clashed in San Diego. On the border of the Very Large Colony and the Lake Hodges Colony thirty million ants die each year, on a battlefront that covers many ...
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