Aphaenogaster

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Aphaenogaster is a genus of myrmicine ants. Almost 200 species have been described, and 11 fossil species are known.

They occur worldwide except from South America and Southern Africa.

They are often confused with Pheidole or Pheidologeton.

These two have major and minor workers, while Aphaenogaster has only a single worker caste.

Pheidole has a 3-segmented club on its antenna, while Aphaenogaster has four segments and a larger body size.

Pheidologeton has a 11-segmented antenna, while the antenna in Aphaenogaster is 12-segmented.