Current View: Bolton World Catalog
Change View
Cite this page

Citing AntWeb


To cite this page, please use the following:

· For print:      Citation: AntWeb. Version 8.64.1. California Academy of Science, online at Accessed .

· For web:

Species: Trichomyrmex robustior   (Forel, 1892) 

Download Data

See Also:

Trichomyrmex robustior_cf

Taxonomic History (provided by Barry Bolton, 2021)

Monomorium gracillimum r. robustior Forel, 1892e PDF: 352 (w.) SOMALIA. Afrotropic. Primary type information: Type-material: lectotype worker (by designation of Heterick, 2006 PDF: 99). Type-locality: lectotype Somalia: (no further data), viii.-ix.1891 (C. Keller). Type-depository: MHNG. Type-specimen: lectotype CASENT0101849. Secondary type information: Paratype-material: 27 paralectotype workers. Paratype-locality: same as for lectotype. Paratype-depository: MHNG. AntCat AntWiki HOL

Taxonomic history

Lectotype designation: Heterick, 2006 PDF: 99.
[Misspelled as robustius by Emery, 1893h PDF: 256; Dalla Torre, 1893 PDF: 69; Forel, 1894e PDF: 228, and others.].
[Misspelled as robustus by Forel, 1907i PDF: 78.].
Status as species: Bolton, 1987 PDF: 328 (redescription); Bolton, 1995b: 266; Collingwood & Agosti, 1996 PDF: 354; Heterick, 2006 PDF: 99 (redescription); Hita Garcia et al., 2013 PDF: 213; Borowiec, 2014 PDF: 125; Sharaf et al., 2016a 10.5852/ejt.2016.246 PDF: 26 (redescription); Madl, 2019 PDF: 16.
// Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Africa: Eritrea, Juan de Nova Island, Kenya, Madagascar, Senegal, Somalia
    Asia: Oman, Saudi Arabia
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Afrotropical, Malagasy, Palearctic

Specimen Habitat Summary

Found most commonly in these habitats: 43 times found in urban/garden, 6 times found in savannah shrubland, 11 times found in spiny forest/thicket, 9 times found in savannah woodland, 8 times found in Bismarckia woodland, 3 times found in Barren rock with sparse vegetation, burned grass, 4 times found in tropical dry forest, 7 times found in village/park/garden, 7 times found in Shrubland, 5 times found in coastal spiny bush on sandy soil, ...

Found most commonly in these microhabitats: 47 times ground forager(s), 33 times ground nest, 11 times under stone, 12 times ex soil, 9 times on low vegetation, 3 times ex rotten log, 3 times on ground, 1 times on tree trunk, 2 times ex dead twig above ground, 1 times under rotten log, 1 times Sandy terr., ...

Collected most commonly using these methods: 4 times Baiting, 25 index card, 10m, 7 times SD 20 digging sample transect, 10m, 2 times pitfall trap, PF 25 cup sample transect, 10m, 5 times pitfall trap, 3 times pitfall trap, PF 20 tube sample transect, 10m, 2 times flight intercept trap, 1 times Hand, 1 times Malaise trap, 1 times Hand collected, 1 times Malaise, 1 times MW 20 sample transect, 10m, ...

Elevations: collected from 7 - 1650 meters, 473 meters average

Collect Date Range: collected between 1984-11-18 and 2017-01-24

Type specimens: Lectotype of Monomorium gracillimum robustior: casent0101849; paralectotype of Monomorium robustior: casent0101596, casent0101865

See something amiss? Send us an email.