Acanthostichus quadratus

Distribution
This taxon was described from Bolivia. It is also found in Ecuador, Brazil, Peru and Argentina.

Additional References

 * Morini, M. S. de C.; Yashima, M.; Zene, F. Y.; Silva, R. R. da; Jahyny, B. 2004. Observations on the Acanthostichus quadratus (Hymenoptera: Formicidae: Cerapachyinae) visiting underground bait and fruits of the Syagrus romanzoffiana, in an area of the Atlantic forest, Brazil. Sociobiology 43:573-578. [2004]