Aphaenogaster
''Aphaenogaster'' is a genus of myrmicine ants in the tribe Stenammini. About 200 species have been described, including 18 fossil species. They occur worldwide except in South America south of Colombia, sub-Saharan Africa, and Antarctica. ''Aphaenogaster'' colonies have monomorphic workers. They have four-segmented antennal clubs and 12-segmented antennae.Genus ''Aphaenogaster''
In Australia, they often build dense, conspicuous nests.Richards, P.J. (2009) ''Aphaenogaster'' ants as bioturbators: impacts on soil and slope processes. Earth-Science Reviews 96: 92-106. Nest entrances are generally funnel-shaped with diameters up to 4 cm, which resulted in the common name funnel ants. These nests can be a serious problem for