Crematogaster is an ecologically diverse genus of ants found worldwide, which are characterized by a distinctive heart-shaped gaster(abdomen), which gives them one of their common names, the Saint Valentine ant. Members of this genus are also known as cocktail ants because of their habit of raising their abdomens when alarmed. Most species are arboreal. These ants are sometimes known as acrobat ants. Acrobat ants acquire food largely through predation of other insects, like w