alexwild > Megalomyrmex symmetochus, queen and workers.

Panama; captive colony at the University of Texas
alexwild > Uneasy relationship: a Trachymyrmex fungus-growing ant (left) encounters a Megalomyrmex symmetochus that is a parasite of her nest.

Panama; captive colony at the University of Texas
alexwild > Megalomyrmex symmetochus & Trachymyrmex.  Ant nests present a rich concentration of resources for organisms that can get past the ants' defenses.  Nests often contain parasites, and one of the more intriguing cases of parasitism in the new world tropics involves another ant species, the parasite Megalomyrmex symmetochus (the smaller ant at center-left).  These solenopsidine ants inhabit nests of fungus-growing attine ants and feed on the brood and gardens of their hosts.

Panama; captive colony at the University of Texas
alexwild > Megalomyrmex symmetochus, queen and workers.

Panama; captive colony at the University of Texas
alexwild > Megalomyrmex symmetochus, queen and workers.

Panama; captive colony at the University of Texas
alexwild > Megalomyrmex symmetochus

Panama; captive colony at the University of Texas
alexwild > Megalomyrmex symmetochus, a social parasite of Trachymyrmex fungus-growing ants.

Panama; captive colony at the University of Texas
alexwild > Megalomyrmex symmetochus & Trachymyrmex.  Ant nests present a rich concentration of resources for organisms that can get past the ants' defenses.  Nests often contain parasites, and one of the more intriguing cases of parasitism in the new world tropics involves another ant species, the parasite Megalomyrmex symmetochus (the smaller ant at center-left).  These solenopsidine ants inhabit nests of fungus-growing attine ants and feed on the brood and gardens of their hosts.

Panama; captive colony at the University of Texas
alexwild > Colonies of the social parasite Megalomyrmex symmetochus are small, consisting of only a handful of ants.  They raise their brood in small chambers built within the fungus gardens of their host species.  Here the queen is visible in the middle of the nest chamber.

Panama; captive colony at the University of Texas
Megalomyrmex symmetochus, queen and workers.

Panama; captive colony at the University of Texas
alexwild > Megalomyrmex symmetochus, queen and workers.

Panama; captive colony at the University of Texas
Megalomyrmex symmetochus, queen and workers.

Panama; captive colony at the University of Texas
See photo in original gallery.

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