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Species: Crematogaster (Crematogaster) sewellii   Forel, 1891 

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See Also:

Crematogaster sewellii acis, Crematogaster sewellii marnoi

Taxonomic History (provided by Barry Bolton, 2020)

Extant: 2 valid subspecies

Crematogaster inermis r. sewellii Forel, 1891c PDF: 196, pl. 6, fig. 9 (w.) MADAGASCAR. Malagasy. Primary type information: Madagascar, Fianarantsoa, coll. Dr. Besson; CASENT0101599; MHNG AntCat AntWiki HOL

Taxonomic history

[Misspelled as sewellei by Dalla Torre, 1893 PDF: 86, Mayr, 1895 PDF: 138, and others; misspelled as sevellei by Dalla Torre, 1893 PDF: 82 (footnote), Emery, 1895g PDF: 342; misspelled as swelli by Santschi, 1910c PDF: 376.].
Status as species: Dalla Torre, 1893 PDF: 86; Mayr, 1895 PDF: 138; Emery, 1895g PDF: 342; Mayr, 1907a PDF: 388; Emery, 1922c PDF: 148; Wheeler, 1922: 844, 1023; Bolton, 1995b: 162; Blaimer & Fisher, 2013b PDF: 51 (redescription).
Current subspecies: nominal plus C. s. acis, C. s. marnoi.
// Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Africa: Madagascar, Mauritius, Sudan
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Afrotropical, Malagasy

Distribution Notes:

Mauritius. Endemic to the Malagasy Subregion. Recorded from Madagascar.

Specimen Habitat Summary

Found most commonly in these habitats: 19 times found in savannah woodland, 18 times found in Uapaca woodland, 5 times found in urban/garden, 5 times found in Barren rock with sparse vegetation, burned grass, 2 times found in savannah shrubland, 6 times found in Bismarckia woodland, 7 times found in Savannah grassland, 2 times found in montane rainforest, 2 times found in Dry forest edge and burned savannah, 3 times found in Shrubland, ...

Found most commonly in these microhabitats: 14 times ex soil, 11 times ground nest, 15 times ground forager(s), 6 times under stone, 1 times soil digging, 3 times on low vegetation, 4 times on tree trunk, 5 times on ground, 3 times under rotten log, 1 times sifted litter (leaf mold, rotten wood), 1 times sifted litter, ...

Collected most commonly using these methods: 11 times SD 20 digging sample transect, 10m, 1 times pitfall trap, PF 25 cup sample transect, 10m, 3 times Baiting, 25 index card, 10m, 1 times pitfall trap, PF 12 cup sample transect, 5m, 1 times 20 sardines baits, at bait on ground, 1 times MW 20 sample transect, 10m, 1 times pitfall trap, PF 25 cup sample transect, 1 times pitfall trap, PF 50 traps, 11 cm dbh with water, soap, formalin, nonlinear placement.

Elevations: collected from 160 - 1726 meters, 1005 meters average

Collect Date Range: collected between 2003-01-13 and 2012-11-08

Type specimens: Lectotype of Crematogaster sewellii: casent0101599

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