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Species: Crematogaster sisa   Blaimer, 2010 

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Taxonomic History (provided by Barry Bolton, 2019)

Crematogaster sisa Blaimer, 2010 PDF: 29, figs. 33, 39 (w.) MADAGASCAR. Malagasy. Primary type information: Madagascar, R.S. Manongarivo, -14.02167, 48.41833, 1580m, sifted litter (leaf mold, rotten wood), montane rainforest, 27.x.1998, coll. B.L.Fisher, BLF1970(49)-2; CASENT0193556; CASC. AntCat AntWiki HOL


  Geographic regions (According to curated Geolocale/Taxon lists):
    Africa: Madagascar
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Distribution Notes:

Crematogaster sisa has to be regarded as high-elevation endemic, known only from two localities at 1580m and 1860m in the rugged and isolated Manongarivo massif  that were visited during a biological inventory in 1998 by Brian Fisher.


The rare collections of foraging workers were made while sifting litter and beating vegetation in montane rainforest habitats at 1580 and 1860 m. No nest collections have been recorded for this species; reproductives and natural history are unknown.


  • Antenna 10-segmented
  • Subpetiolar process developed as acute, long tooth
  • Head and promesonotal sculpture reduced-aciculate
  • Medium to large size (HW 0.891.14, WL 0.911.12)
  • Propodeal spines small to medium size (SPI 0.170.21)
  • Promesonotal suture usually complete
  • Rare, montane forests in R. S. Manongarivo


Blaimer, B. B. (2010) Taxonomy and Natural History of the Crematogaster (Decacrema) group in Madagascar. Zootaxa, 2714, 1-39.

Specimen Habitat Summary

Found most commonly in these habitats: 4 times found in montane rainforest.

Found most commonly in these microhabitats: 1 times sifted litter (leaf mold, rotten wood), 1 times on low vegetation.

Collected most commonly using these methods: 2 times Beat 25 sample transect, 10m, beating low vegetation.

Elevations: collected from 1580 - 1860 meters, 1630 meters average

Type specimens: Holotype of Crematogaster sisa: casent0193556

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