Some of the most impactful invasive species in the world are ambrosia beetles. Megaplatypus mutatus, native to South America, has invaded other regions, and a new article in the open-access Journal of Integrated Pest Management  reviews its potential impact and management strategies. Shown here are a M. mutatus adult female (left) and male (right). Scale bar = 1 millimeter. (Photos by Esteban Ceriani-Nakamurakare, Ph.D.)