Cutting open a hollow twig reveals a small nest of Pseudomyrmex simplex. Monte Verde, Minas Gerais, Brazil
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
A basketball-sized carton nest of Crematogaster castanea tricolor in an Acacia tree. St. Lucia, KZN, South Africa
