Abstract
We examined the response of the northern pygmy mouse ( Baiomys taylori ) to two densities of the red imported fire ant ( Solenopsis invictd ) in a 17-month field experiment conducted ca. 60 km north of Corpus Christi, Texas. Colonies of fire ants were removed from one-half of each of two sampling grids. In the postremoval period, there were significantly more new captures of Baiomys in areas of low density of ants than in areas of original density. Time required to recruit five worker S. invicta to bait cups placed around burrows used by Baiomys was significantly longer than the time required to recruit to bait around random points, indicating burrows were not located randomly with respect to foraging activity of fire ants.
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