Pseudomyrmex simplex worker with larvae. This species is among the most common Pseudomyrmex from subtropical North America south to Argentina. Monte Verde, Minas Gerais, Brazil
Cutting open a hollow twig reveals a small nest of Pseudomyrmex simplex. Monte Verde, Minas Gerais, Brazil
A worker huntress ant rescues larvae after the photographer disturbs her nest. Mindo, Pichincha, Ecuador.