Pseudomyrmex
 Pseudomyrmex is a genus of stinging wasp-like ants in the subfamily Pseudomyrmecinae. They are large-eyed slender ants occupying arboreal habitats and occur exclusively in tropical and subtropical regions of the New World. Most species of Pseudomyrmex are generalist twig nesters for instance Pseudomyrmex pallidus may nest in the hollow stems of dead grasses twigs of herbaceous plants and in dead woody twigs.