Acanthostichus flexuosus MacKay, 1996: 151, fig. 61 (w.m.) BRAZIL (Santa Catarina). Neotropic.

Primary type information: Type-material: holotype male. Type-locality: Brazil: Santa Catarina, Nova Teutonia, 19.iv.1964 (E.S. & C.E. Ross). Type-depository: MCZC. Secondary type information: Paratype-material: 1 paratype worker. Paratype-locality: same as for holotype.