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 8.65. California Academy of Science, online at Accessed .

· For web:

Species: Monomorium opacior   Forel, 1913 

Download Data

Taxonomic History (provided by Barry Bolton, 2021)

Monomorium salomonis var. opacior Forel, 1913k PDF: 216 (in text) (w.) ZIMBABWE. Afrotropic. Primary type information: Type-material: 10 syntype workers. Type-locality: Zimbabwe (“Rhodesia”): Bulawayo, 3.xi.1912, no. 130 (G. Arnold). Type-depositories: BMNH, MHNG. AntCat AntWiki HOL

Taxonomic history

[First available use of Monomorium salomonis junodi opacior Forel, 1913; unavailable (infrasubspecific) name (Bolton, 1987 PDF: 352).]
[Misspelled as opacius by Wheeler, 1922: 871; Ettershank, 1966 PDF: 91.]
Arnold, 1916 PDF: 220 (q.)
As unavailable (infrasubspecific) name: Santschi, 1919b PDF: 235; Emery, 1922c PDF: 178; Wheeler, 1922: 871; Arnold, 1926 PDF: 231; Santschi, 1930b PDF: 70; Santschi, 1936a PDF: 39; Ettershank, 1966 PDF: 91.
Status as species: Bolton, 1995b: 265
Senior synonym of Monomorium opacior Bolton, 1987: Bolton, 1995b: 265
Senior synonym of Monomorium subopacum serenum: unpublished emendation (as both Monomorium opacior and Monomorium subopacum serenum syntypes examined by Bolton, 1987 PDF: 352, and judged synonymous)
// Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Africa: Botswana, Namibia, South Africa, Tanzania, Zimbabwe
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Specimen Habitat Summary

Found most commonly in these habitats: open times found in woodland, 2 times found in Acacia Closed Woodland (in Sekhukhune Plains Bushveld), 2 times found in Ephemeral river bed and adjacent vegetation in Olifantshoek Plains Thornveld, 3 times found in Rehabilitated waste rock dump, 18 degree slope, 2 times found in Sclerocarya - Bolusanthus Open Woodland (in Sekhukhune Mountain Bushveld), 1 times found in Euclea-Seersia Open Shrubland (in Sekhukhune Plains Bushveld), Commiphora (open) times found in woodland, 1 times found in Grass, 1 times found in Grassland, 1 times found in Grassland with scattered trees, ...

Collected most commonly using these methods: 13 times Pitfall trap, 5 times Pitfall trap, 5 days, 1 times Hand collected, 1 times Nest, 1 times Sifting Soil, 1 times Turning over rocks, 1 times By Hand.

Elevations: collected from 677 - 1600 meters, 1076 meters average

Collect Date Range: collected between 1912-07-01 and 2018-04-10

Type specimens: Paratype: sam-ent-011615; syntype of Monomorium opacior: casent0908742; syntype of Monomorium salomonis opacior: casent0902215; syntype of Monomorium delagoense junodi serenum: casent0913827

See something amiss? Send us an email.