Ectatomma opaciventre

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Ectatomma opaciventre
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Ectatomminae
Tribe: Ectatommini
Genus: Ectatomma
Species: E. opaciventre
Binomial name
Ectatomma opaciventre
(Roger, 1861)

Ectatomma opaciventre casent0106081 profile 1.jpg

Ectatomma opaciventre casent0106081 dorsal 1.jpg

Specimen labels




Distribution based on Regional Taxon Lists

Neotropical Region: Argentina, Brazil (type locality), Paraguay.

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb




The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • opaciventre. Ponera (Ectatomma) opaciventris Roger, 1861b: 169 (w.) BRAZIL. Mayr, 1866a: 503 (q.); Almeida, 1986: 27 (m.). Combination in Ectatomma: Emery, 1894c: 144. Senior synonym of concolor: Brown, 1958g: 208.
  • concolor. Ectatomma opaciventre var. concolor Santschi, 1919f: 37, fig. 1 (w.) ARGENTINA. Santschi, 1921g: 83 (q.). Junior synonym of opaciventre: Brown, 1958g: 208.



  • Almeida Filho, A. J. de. 1986. Descriça~o de quatro machos do gênero Ectatomma Smith, 1858 (Hymenoptera, Formicidae, Ponerinae). Quid (Teresina) 6: 24-38 (page 27, male described)
  • Brown, W. L., Jr. 1958g. Contributions toward a reclassification of the Formicidae. II. Tribe Ectatommini (Hymenoptera). Bull. Mus. Comp. Zool. 118: 173-362 (page 208, Senior synonym of concolor)
  • Emery, C. 1894d. Studi sulle formiche della fauna neotropica. VI-XVI. Bull. Soc. Entomol. Ital. 26: 137-241 (page 144, Combination in Ectatomma)
  • Mayr, G. 1866a. Myrmecologische Beiträge. Sitzungsber. Kais. Akad. Wiss. Wien Math.-Naturwiss. Cl. Abt. I 53: 484-517 (page 503, queen described)
  • Pie M.R. 2004. Foraging ecology and behaviour of the ponerine ant Ectatomma opaciventre Roger in a Brazilian savannah. J. Natural History 38:717-729. PDF
  • Roger, J. 1861b. Myrmicologische Nachlese. Berl. Entomol. Z. 5: 163-174 (page 169, worker described)
  • Viviane Cristina Tofolo, Edilberto Giannotti, Hugo Ribeiro Moleiro & Marcos Rogério Simões. 2011. Diet and Spatial Pattern of Foraging in Ectatomma opaciventre (Hymenoptera: Formicidae) in an Anthropic Area. Sociobiology 58: 607-620.