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Species: Ectatomma brunneum   Smith, 1858 

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Taxonomic History (provided by Barry Bolton, 2022)

Ectatomma brunnea Smith, 1858a PDF: 103 (w.q.) BRAZIL (Pará). Neotropic. Primary type information: Type-material: syntype worker(s), 1 syntype queen. Type-locality: Brazil: Santarem (no collector’s name, perhaps Bates). Type-depository: BMNH. Type notes: Certainly 1 syntype worker in BMNH together with a second worker and a queen, also from the type locality, but the worker has passed through the Farren White collection and has lost its original labels. AntCat AntWiki HOL

Taxonomic history

Replacement name for Ectatomma quadridens (Fabricius, 1793). [Junior primary homonym of Cephalotes atratus quadridens (De Geer, 1773).]
[Note: Ectatomma brunneum Smith, 1858 junior synonym of Ectatomma quadridens (Fabricius, 1793) (synonymy by Roger, 1860 PDF: 307); hence Ectatomma brunneum Smith, 1858 first available replacement name (Bolton, 1995b: 186).]
// Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Panama, Paraguay, Peru, Suriname, Venezuela
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Distribution Notes:

Paraguay: Alto Paraguay, Alto Paraná, Amambay, Boquerón, Caaguazú, Canindeyú, Central, Cordillera, Guairá, Itapúa, Misiones, Paraguarí, Pte. Hayes, San Pedro

Taxonomic Treatment (provided by Plazi)

Treatment Citation: Wild, A. L., 2007, A catalogue of the ants of Paraguay (Hymenoptera: Formicidae)., Zootaxa 1622, pp. 1-55

brunneum F. SmithHNS 1858.

Alto Paraguay, Alto Paraná, Amambay, Boquerón, Caaguazú, Canindeyú, Central, Cordillera, Guairá, Itapúa, Misiones, Paraguarí, Pte. Hayes, San Pedro (ALWC, IFML, INBP, LACM, NHMB, NHMW). Literature records: Central, Guairá, “Paraguay” (s. loc.) (Emery 1906, Forel 1895b, Forel 1907b).

Specimen Habitat Summary

Found most commonly in these habitats: 3 times found in white sand savanna, 4 times found in Cerrado, 2 times found in savanna and rainforest, 1 times found in Savannah, 1 times found in secondgrowth rainforest, 0 times found in Semideciduous seasonal forest, 1 times found in urban area, 1 times found in 2nd growth rainforest, 1 times found in Dry Chaco, scrub forest, 1 times found in forest fragment, ...

Found most commonly in these microhabitats: 0 times Pasture, 2 times general collecting, 1 times ex flowers, 2 times at day; stray ants, 1 times under bark, 1 times strays, 1 times on low vegetation, 1 times in log, 1 times ground forager, 1 times Ground, 1 times Foraging ants, ...

Collected most commonly using these methods: 7 times search, 6 times direct collection, 4 times epigaeic pitfall, 2 times Hand, 1 times Pitfall72h, 1 times at bait, 1 times bait, 45-3 times beating vegetation, 2.

Elevations: collected from 4 - 970 meters, 246 meters average

Collect Date Range: collected between 1938-07-09 00:00:00.0 and 2018-09-02 00:00:00.0

Type specimens: syntype of Formica quadridens: casent0900515

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