This morning, I witnessed Pheidole megacephala workers massing around the nest of a Pheidole obscurithorax colony.
The P. megacephala minors were huddling under debris and threatening the P. obscurithorax majors that confronted them. A few P. obscurithorax soldiers got too close and ended up being restrained by the P. megacephala minors, although the soldiers are so strong that they sometimes manage to shake off the much smaller workers.
It will be interesting to keep track of this area and see whether the P. obscurithorax are driven away or raided.
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