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Table 2. Mann-Whitney U tests of the abundances of the six most common ant species at sites with P. obscurithorax present and absent.
Present
Absent
Species
Rank sum
N
Rank sum
N
U
p-value
Solenopsis invicta
443.5
17
417.5
24
143.5
0.11
Dorymyrmex bureni
516.0
17
345.0
24
192.0
0.75
Pheidole metallescens
533.5
17
327.5
24
174.5
0.43
Pheidole floridana
525.5
17
335.5
24
182.5
0.57
Brachymyrmex musculus
475.0
17
386.0
24
175.0
0.44
Pheidole moerens
477.0
17
384.0
24
177.0
0.47
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