Genus Cyphomyrmex Mayr
There are two species of Cyphomyrmex recorded from California, both groundÂnesting and infrequently encountered. These fungusÂgrowing ants collect caterpillar frass and other organic matter, on which they cultivate fungal mycelia or (in some species) yeasts.
Species identification: keys in Snelling and Longino (1992). Additional references: De Andrade (2003), Kempf (1964d, 1966), Schultz et al. (2002), Weber (1972).