Brachymyrmex patagonicus is a South American rover ant that is spreading rapidly across the southern and western United States. Here, workers feed from a honey bait. Tucson, Arizona, USA

Brachymyrmex patagonicusbrachymyrmexformicinaeformicidaeinsectsinsectantsworker antsrover antsrover antblack rover anttiny antsmall antsintroduced speciesexotic antstramp antstramp antinvasive speciesbiological invasionecologysuperorganismworker castewhitefeedingbaitant colonypest antant pestspests