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Species: Strumigenys cosmostela   Kempf, 1975 

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Taxonomic History (provided by Barry Bolton, 2022)

Strumigenys cosmostela Kempf, 1975a PDF: 413, figs. 1, 2 (w.) BRAZIL (Pará). Neotropic. Primary type information: Primary type material: holotype worker. Primary type locality: Brazil: Pará, Iriboca near Belém, Pirelli Plantation, 15.viii.1962, BF-18 (W.L. Brown). Primary type depository: MZSP. Secondary type information: Secondary type material: 1 paratype worker. Secondary type locality: Brazil, Pará, Utinga tract, near Belém, 12.viii.1962, BF-11 (W.L. Brown). Secondary type depository: MCZC. AntCat AntWiki HOL

Taxonomic history

// Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Brazil, Colombia, Costa Rica, Ecuador, French Guiana, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Peru, Venezuela
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Distribution Notes:

Mexico, Costa Rica, Venezuela, Peru, Brazil (type locality). In Costa Rica: Atlantic lowlands.


Natural History:

Brown and Wilson (1959) summarize the genus as follows:

"Widespread in tropics and warm temperate areas. Primarily forest-dwelling; some species occur in grassland and arid scrub. ... Nests mostly in soil and rotting wood; a few species live in arboreal plant cavities in tropical rain forest. Foraging hypogaeic to epigaeic-arboreal. Food: most species are collembolan feeders; a few are polyphagous predators or occasionally feed on sugary substances..."

Members of the genus are all predaceous, with a kinetic mode of attack (Bolton 1999).

cosmostela occurs in lowland wet forest, in leaf litter/soil on the forest floor. At La Selva Biological Station it is an infrequent species in Winkler and Berlese samples.


Bolton, B. 1999. Ant genera of the tribe Dacetonini (Hymenoptera: Formicidae). J. Nat. Hist. 33:1639-1689.

Bolton, B. 2000. The ant tribe Dacetini, with a revision of the Strumigenys species of the Malagasy Region by Brian L. Fisher, and a revision of the Austral epopostrumiform genera by Steven O. Shattuck. Memoirs of the American Entomological Institute 65:1-1028.

Brown, W. L., Jr., Wilson, E. O. 1959. The evolution of the dacetine ants. Quarterly Review of Biology 34:278-294.

Specimen Habitat Summary

Found most commonly in these habitats: 46 times found in mature wet forest, 7 times found in tropical rainforest, 8 times found in montane wet forest, 5 times found in ridgetop cloud forest, 7 times found in ridgetop cloud forest, isolated peak with oak trees, 5 times found in lowland rainforest, 0 times found in Amazon, 3 times found in 2º lowland rainforest, 3 times found in tropical wet forest, 1 times found in Puesto19,342G,10m, ...

Found most commonly in these microhabitats: 82 times ex sifted leaf litter, 2 times LeafLitter, 1 times Hojarasca, 1 times ALAS Berlese sample.

Collected most commonly using these methods: 63 times MiniWinkler, 18 times MaxiWinkler, 5 times Mini Winkler, 2 times Berlese, 2 times Winkler48h, 1 times litter sample, 1 times Winkler.

Elevations: collected from 30 - 1140 meters, 434 meters average

Collect Date Range: collected between 1962-08-12 00:00:00.0 and 2015-07-07 00:00:00.0

Type specimens: Paratype: antweb1032496

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