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A linear regression of log-transformed [ln(x)] estimated number of queens (polygyny) and estimated number of mates (polyandry) in F. lemani Mull colonies infested by M. mutabilis (solid triangles, solid line) and without M. mutabilis (open circles, dashed line). For infested nests the correlation is highly significant (F1,20=29.6, p<0.001), while in non-infested nests it is not (F1,17=0.04, p>0.8).
