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Species: Royidris robertsoni   (Heterick, 2006) 

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Taxonomic History (provided by Barry Bolton, 2019)

Monomorium robertsoni Heterick, 2006 PDF: 93, figs. 14, 37 (w.) MADAGASCAR. Malagasy. Primary type information: Madagascar, Toliara, Ranobe, 23°02’03’’S, 43°36’43’’E, 30 m., spiny forest thicket, sifted litter, 13–19.ii.2002, Frontier Project, collection code MGF056; CASENT0003501; CASC. Combination in Royidris: Bolton & Fisher, 2014 PDF. AntCat AntWiki HOL

Taxonomic history

Combination in Royidris: Bolton & Fisher, 2014 PDF, 64.


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

Specimen Habitat Summary

Found most commonly in these habitats: 3 times found in spiny forest/thicket, 1 times found in gallery forest, degraded, 2 times found in desert scrub forest, 1 times found in in sand, base of baobab, 1 times found in savanna, 1 times found in tropical dry forest.

Found most commonly in these microhabitats: 3 times sifted litter (leaf mold, rotten wood).

Collected most commonly using these methods: 1 times pitfall trap, PF 50 traps, 11 cm dbh with water, soap, formalin, nonlinear placement, 4 times pitfall trap, 3 times MW 20 sample transect, 5m.

Elevations: collected from 20 - 1252 meters, 182 meters average

Type specimens: Holotype: casent0035010; paratype: casent0035044, casent0035048, casent0035270

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