Crematogaster cisplatinalis Mayr,

Wild, A. L., 2007, A catalogue of the ants of Paraguay (Hymenoptera: Formicidae)., Zootaxa 1622, pp. 1-55: 51

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Crematogaster cisplatinalis Mayr


Crematogaster cisplatinalis Mayr  HNS  1887. REVISED STATUS.

Crematogaster victima var. cisplatinalis Mayr  HNS  1887: 624. [Holotype w examined, NHMW; Uruguay (Berg)] 

Crematogaster cisplatinalis Mayr  HNS  . Dalla Torre 1893: 80.

Crematogaster (Orthocrema) victima subsp. cisplatinalis Mayr  HNS  . Emery 1924a: 136.

Crematogaster (Orthocrema) victima cisplatinalis Mayr  HNS  . Kempf 1972: 90.

Crematogaster cisplatinalis  HNS  is a twig-nesting species recorded most frequently from low-lying open habitats in the Paraguay river floodplain. This species is distinct in a number of characters from C. victima  HNS  , a slightly larger ant that tends to be found in the better-drained habitats of the eastern forests and cerrados. There is little reason to retain the subspecific status of C. cisplatinalis  HNS  as the two forms overlap substantially in distribution but differ consistently in numerous characters. Among Paraguayan collections these differences include: standing setae present on tibiae and antennal scapes of C. cisplatinalis  HNS  (absent in C. victima  HNS  ); dorsum of head almost entirely punctate in C. cisplatinalis  HNS  , or if a smooth medial strip present the strip is narrower than the width of the compound eye (smooth medial strip present, usually wider than width of compound eye, in C. victima  HNS  ); color brown to black in C. cisplatinalis  HNS  (testaceous to medium brown in C. victima  HNS  ).

Jack Longino, who has conducted extensive taxonomic work on Neotropical Crematogaster  HNS  (Longino 2003), confirmed the identifications for both C. victima  HNS  and C. cisplatinalis  HNS  in Paraguay and concurs with a change in status of C. cisplatinalis  HNS  (Longino, pers. comm.).


Austria, Wien, Naturhistorisches Museum Wien