Ectatomma permagnum

Ectatomma permagnum
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Formicidae
Subfamily:	Ectatomminae
Tribe:	Ectatommini
Genus:	Ectatomma
Species:	E. permagnum
Binomial name
Ectatomma permagnum Forel, 1908 Specimen labels
Synonyms
Ectatomma opaciventre strigosum Emery, 1894 Ectatomma regis Kusnezov, 1957 Ectatomma strigosum aerea Forel, 1912 Ectatomma strigosum confusa Forel, 1909

At a Glance

• Facultatively polygynous

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: -0.1333° to -30.45°.

North Temperate	North Subtropical	Tropical	South Subtropical	South Temperate

• Source: AntMaps

Distribution based on Regional Taxon Lists

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

Distribution based on AntMaps

Distribution based on AntWeb specimens

Check data from AntWeb

Countries Occupied

Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species.

Estimated Abundance

Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species.

Nomenclature

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

• permagnum. Ectatomma opaciventre var. permagna Forel, 1908c: 342 (w.) BRAZIL (São Paulo).
  • Type-material: syntype workers (number not stated).
  • Type-locality: Brazil: São Paulo (Reh).
  • Type-depositories: MHNG, NHMB.
  • Replacement name for Ectatomma opaciventre var. strigosum Emery, 1894c: 144. [Junior primary homonym of Ectatomma araneoides var. strigosum Emery, 1887b: 444.]
  • [Note: permagna junior synonym of strigosum Emery, 1894c: 144 (synonymy by Brown, 1958g: 209, 297); hence permagna first available replacement name (Bolton, 1995b: 187).]
  • Santschi, 1921g: 83 (q.); Almeida, 1986: 28 (m.).
  • Subspecies of strigosum: Forel, 1909a: 265; Forel, 1911c: 286; Emery, 1911d: 43; Forel, 1911c: 286; Luederwaldt, 1918: 34; Santschi, 1921g: 83; Borgmeier, 1923: 59.
  • Status as species: Santschi, 1921g: 83; Brown, 1958g: 208, 296; Kempf, 1962b: 4; Kempf, 1972a: 105; Kempf, 1975c: 343; Kugler, C. & Brown, 1982: 6 (in key); Almeida: 1986: 29; Almeida, 1987: 178; Brandão, 1991: 341; Bolton, 1995b: 187; Wild, 2007b: 26; Feitosa, 2015c: 97; Camacho, Franco, Branstetter, et al. 2022: 10.
  • Senior synonym of aerea: Brown, 1958g: 209, 296; Kempf, 1972a: 105; Almeida, 1986: 29; Bolton, 1995b: 187.
  • Senior synonym of confusa: Brown, 1958g: 209, 296; Kempf, 1972a: 105; Almeida, 1986: 29; Bolton, 1995b: 187.
  • Senior synonym of regis: Kempf, 1975c: 343; Almeida, 1986: 29; Brandão, 1991: 342; Bolton, 1995b: 187.
  • Distribution: Argentina, Bolivia, Brazil, Paraguay.
• aerea. Ectatomma strigosum var. aerea Forel, 1912c: 32 (w.) BRAZIL (Rio de Janeiro).
  • Type-material: holotype (?) worker.
  • [Note: no indication of number of specimens is given.]
  • Type-locality: Brazil: Rio de Janeiro, Campos (Sampaio).
  • Type-depository: MHNG.
  • Subspecies of strigosum: Borgmeier, 1923: 58.
  • Junior synonym of permagnum: Brown, 1958g: 209, 296; Kempf, 1972a: 105; Almeida, 1986: 29; Bolton, 1995b: 186.
• confusa. Ectatomma strigosum var. confusa Forel, 1909a: 266 (w.) PARAGUAY, BRAZIL.
  • Type-material: syntype workers (number not stated).
  • Type-localities: Paraguay: (no further data) (Balzan), Brazil: Rio de Janeiro (no collector’s name).
  • Type-depository: MHNG.
  • Subspecies of strigosum: Emery, 1911d: 43; Borgmeier, 1923: 58.
  • Junior synonym of permagnum: Brown, 1958g: 209, 296; Kempf, 1972a: 105; Almeida, 1986: 29; Bolton, 1995b: 186.
• regis. Ectatomma regis Kusnezov, 1957b: 12 (w.) ARGENTINA (Salta, Tucumán).
  • Type-material: holotype worker, paratype workers (number not stated).
  • Type-locality: holotype Argentina: Salta Prov., Reserva Nacional Estancia El Rey, no. 8716 (N. Kusnezov); paratypes: Argentina: Tucumán Prov., valle del Río Sali, 40 km. N Tucumán, Ruta 9, km. 1335, no. 6185 (N. Kusnezov).
  • Type-depository: IMLT.
  • Status as species: Kempf, 1962b: 3; Kempf, 1972a: 105.
  • Junior synonym of permagnum: Kempf, 1975c: 343; Almeida, 1986: 29; Brandão, 1991: 342; Bolton, 1995b: 187.

Description

Karyotype

• n = 23, 2n = 46, karyotype = 20M+26A (Brazil) (Barros et al., 2008; Mariano et al., 2015).

References

• Albrecht, M., Gotelli, N.J. 2001. Spatial and temporal niche partitioning in grassland ants. Oecologia 126, 134–141 (doi:10.1007/s004420000494).
• Albuquerque, E., Prado, L., Andrade-Silva, J., Siqueira, E., Sampaio, K., Alves, D., Brandão, C., Andrade, P., Feitosa, R., Koch, E., Delabie, J., Fernandes, I., Baccaro, F., Souza, J., Almeida, R., Silva, R. 2021. Ants of the State of Pará, Brazil: a historical and comprehensive dataset of a key biodiversity hotspot in the Amazon Basin. Zootaxa 5001, 1–83 (doi:10.11646/zootaxa.5001.1.1).
• 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 28, male described)
• Almeida Filho, A. J. de. 1987a. Descriça~o de seis fêmeas do gênero Ectatomma Smith, 1858 (Hymenoptera, Formicidae, Ponerinae). An. Soc. Nordestina Zool. 1: 175-183 (page 178, see also)
• Apolinário, L.da C.M.H., Almeida, Â.A.de, Queiroz, J.M., Vargas, A.B., Almeida, F.S. 2019. Diversity and guilds of ants in different land-use Systems in Rio de Janeiro State, Brazil. Floresta e Ambiente 26, e20171152 (doi:10.1590/2179-8087.115217).
• Brown, W. L., Jr. 1958g. Contributions toward a reclassification of the Formicidae. II. Tribe Ectatommini (Hymenoptera). Bulletin of the Museum of Comparative Zoology 118: 173-362 (page 209, senior synonym of aerea and confusa)
• Calazans, E.G., Costa, F.V.da, Cristiano, M.P., Cardoso, D.C. 2020. Daily dynamics of an ant community in a mountaintop ecosystem. Environmental Entomology 49, 383–390 (doi:10.1093/ee/nvaa011).
• Camargo, K.S. de. 2011. Composicao e diversidade de "Poneromorfas" (Hymenoptera, Formicidae) em duas fitofisionomias de cerrado e padroes de distribuicao de "Poneromorfas", Pseudomyrmecinae e Cephalotini (Myrmicinae) para o Brasil. Thesis, Universidade de Brasilia.
• Conceição-Neto, R., França, E.C.B., Feitosa, R.M., Queiroz, J.M. 2021. Revisiting the ideas of trees as templates and the competition paradigm in pairwise analyses of ground-dwelling ant species occurrences in a tropical forest. Revista Brasileira de Entomologia 65, e20200026 (doi:10.1590/1806-9665-rbent-2020-0026).
• Emery, C. 1894d. Studi sulle formiche della fauna neotropica. VI-XVI. Bull. Soc. Entomol. Ital. 26: 137-241 (page 144, Raised to species, first available replacement name for strigosum)
• Forel, A. 1908h. Ameisen aus Sao Paulo (Brasilien), Paraguay etc. gesammelt von Prof. Herm. v. Ihering, Dr. Lutz, Dr. Fiebrig, etc. Verh. K-K. Zool.-Bot. Ges. Wien 58: 340-418 (page 342, worker described)
• Forel, A. 1911e. Ameisen des Herrn Prof. v. Ihering aus Brasilien (Sao Paulo usw.) nebst einigen anderen aus Südamerika und Afrika (Hym.). Dtsch. Entomol. Z. 1911: 285-312 (page 286, Variety of strigosum)
• Kempf, W. W. 1962b. Miscellaneous studies on neotropical ants. II. (Hymenoptera, Formicidae). Stud. Entomol. 5: 1-38 (page 4, senior synonym of regis)
• Kempf, W. W. 1975c. Miscellaneous studies on neotropical ants. VI. (Hymenoptera, Formicidae). Stud. Entomol. 18: 341-380 (page 343, senior synonym of regis)
• Mariano, C.S.F., Santos, I.S., Silva, J.G., Costa, M.A., Pompolo, S.G. 2015. Citogenética e evolução do cariótipo em formigas poneromorfas. In: Delabie, J.H.C., Feitosa, R.M., Serrao, J.E., Mariano, C.S.F., Majer, J.D. (eds) As formigas poneromorfas do Brasil, 1st edn. Ilhéus, Brasil, pp 102–125 (doi:10.7476/9788574554419.0010).
• Meurville, M.-P., LeBoeuf, A.C. 2021. Trophallaxis: the functions and evolution of social fluid exchange in ant colonies (Hymenoptera: Formicidae). Myrmecological News 31: 1-30 (doi:10.25849/MYRMECOL.NEWS_031:001).
• Przybyszewski, K.R., Silva, R.J., Vicente, R.E., Garcia Freitas, J.V., Pereira, M.J.B., Izzo, T.J., Tonon, D.S. 2020. Can baited pitfall traps for sampling dung beetles replace conventional traps for sampling ants? Sociobiology 67, 376-387 (doi:10.13102/sociobiology.v67i3.5201).
• Santschi, F. 1921g. Ponerinae, Dorylinae et quelques autres formicides néotropiques. Bull. Soc. Vaudoise Sci. Nat. 54: 81-103 (page 83, queen described)

References based on Global Ant Biodiversity Informatics

• Andrade T., G. D. V. Marques, K. Del-Claro. 2007. Diversity of ground dwelling ants in Cerrado: an analysis of temporal variations and distinctive physiognomies of vegetation (Hymenoptera: Formicidae). Sociobiology 50(1): 121-134.
• Borgmeier T. 1923. Catalogo systematico e synonymico das formigas do Brasil. 1 parte. Subfam. Dorylinae, Cerapachyinae, Ponerinae, Dolichoderinae. Archivos do Museu Nacional (Rio de Janeiro) 24: 33-103.
• Boscardin J., Correa Costa E., J. Garlet, and A. Fiorentini. 2013. Métodos de Captura para Formigas em Pré-plantio de Eucalyptus grandis. Floresta e Ambiente 20(3): 361-370.
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