Distribution of Formosan Subterranean Termites

Dennis Ring  |  3/23/2005 8:38:51 AM

World distribution of the Formosan subterranean termite. Photo by Dr. Nan Yao Su.

Continental United States distribution of the Formosan subterranean termite, 2004.

Southeastern United States distiribution of the Formosan subterranean termite, 2004.

Native subterranean termites are found throughout Louisiana and are a natural part of the environment in Louisiana. Formosan subterranean termites, native to East Asia, arrived in the United States after World War II and were established in New Orleans by 1966.

As of the first of 2005, the invasive Formosan subterranean termites are found in about one-half of the parishes. They occur in parishes containing and south of Interstate 10. Additionally, Formosan subterranean termites occur in Beauregard, Ouachita, Rapides, Sabine and Vernon parishes. These termites have not completely spread throughout some of these parishes. Formosan subterranean termites are spreading steadily across the state by the actions of humans.
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