Anochetus mayri is native to the Neotropics, where it is widespread across the Caribbean, Central America and South America. The species is introduced in Florida, and is the only member of its genus known to have become successfully established outside of its native range. This small and presumably predaceous trap-jaw species is most often found in leaf litter, and is recognized by its long linear mandibles, single waist segment and bicuspidate petiolar node. This latter character, along with its much smaller size and lack of a nuchal carina, easily allow A. mayri to be distinguished by its sister genus, Odontomachus. While it may be capable of stinging humans, the species is not aggressive or strongly defensive, and is unlikely to become a significant economic pest or have significant impacts on the native fauna.