Florida harvester ants move and construct a similar subterranean nest about once a year, according to a study published November 19, 2014 in the open-access journal PLOS ONE by Walter Tschinkel from Florida State University.
The Florida harvester ant excavates up to 2 meter deep nests in the sandy soils of the Gulf and Atlantic coastal plains. Scientists tracked and mapped nest relocations of over 400 colonies in a north Florida coastal plains pine forest from 2010 to 2013 and monitored the progress of entire relocations of 20 of these nests.
The researchers found that the architecture of old and new nests was very similar. The entire relocations were completed in 4 to 6 days and averaged 4 m, with few moves exceeding 10 m.
The PLOS ONE article can be accessed at http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0112981
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