Gnamptogenys tortuolosa

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Gnamptogenys tortuolosa
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Ectatomminae
Tribe: Ectatommini
Genus: Gnamptogenys
Species: G. tortuolosa
Binomial name
Gnamptogenys tortuolosa
(Smith, F., 1858)

Gnamptogenys tortuolosa P casent0217489.jpg

Gnamptogenys tortuolosa D casent0217489.jpg

Specimen Label

Synonyms

Found nesting in rotten wood in humid forests and foraging in grassy or weedy areas.

Identification

A member of the sulcata complex (in the sulcata subgroup of the sulcata species group). Mandibles subtriangular; clypeal lamella laterally angular and medianly straight to softly concave; propodeum with transverse costulae; coxal tooth small sometimes shaped as a short lobe; tibiae, femora and scapes smooth and shining. Piceous body; legs and antennae ferruginous. (Lattke 1995)

Keys including this Species

Distribution

Distribution based on Regional Taxon Lists

Neotropical Region: Brazil (type locality), Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, Venezuela.


Distribution based on AntMaps

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Distribution based on AntWeb specimens

Check data from AntWeb

Biology

Not much is known about the the biology of Gnamptogenys tortuolosa. We can speculate that the biology of this species is similar to other species of the genus. Gnamptogenys are predatory ponerine ants that inhabit tropical and subtropical mesic forests. Nesting is typically at ground level in rotten wood or leaf litter. Some exceptions include species that are arboreal, a dry forest species and species that nests in sandy savannahs. Colony size tends to be, at most, in the hundreds. Queens are the reproductives in most species. Worker reproduction is known from a few species in Southeastern Asia. Generalist predation is the primary foraging/dietary strategy. Specialization on specific groups (millipedes, beetles, other ants) has developed in a few species.

Castes

Nomenclature

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

  • tortuolosa. Ponera tortuolosa Smith, F. 1858b: 99 (w.) BRAZIL (no state data).
    • Type-material: holotype worker.
    • Type-locality: Brazil: (no further data) (Swainson).
    • Type-depository: BMNH.
    • Wheeler, G.C. & Wheeler, J. 1952a: 134 (l.).
    • Combination in Ectatomma: Emery, 1887b: 438 (footnote);
    • combination in Ectatomma (Gnamptogenys): Dalla Torre, 1893: 26; Emery, 1896g: 51;
    • combination in Gnamptogenys: Mayr, 1886c: 358; Brown, 1958g: 230.
    • Status as species: Mayr, 1863: 450; Mayr, 1886c: 358; Dalla Torre, 1893: 26; Forel, 1895b: 113; Emery, 1896g: 51; Emery, 1911d: 45; Mann, 1916: 406 (redescription); Wheeler, W.M. 1916c: 2; Borgmeier, 1923: 62; Menozzi, 1935b: 190; Brown, 1958g: 230; Kempf, 1961b: 492; Kempf, 1970b: 325; Kempf, 1972a: 116; Lattke, 1990b: 22; Brandão, 1991: 346; Bolton, 1995b: 211; Lattke, 1995: 189; Lattke, et al. 2004: 349; Lattke, et al. 2007: 261 (in key); Lattke, et al. 2008: 99; Bezděčková, et al. 2015: 111; Feitosa, 2015c: 98; Feitosa & Prada-Achiardi, 2019: 673; Camacho, et al. 2020: 459 (in key).
    • Senior synonym of quitensis: Brown, 1958g: 230, 324; Kempf, 1972a: 116; Bolton, 1995b: 211; Lattke, 1995: 189.
    • Distribution: Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, Venezuela.
  • quitensis. Gnamptogenys tortuolosa var. quitensis Forel, 1921b: 133 (w.) ECUADOR.
    • Type-material: holotype worker.
    • Type-locality: Ecuador: nr Quito (E. Naumann).
    • Type-depository: MHNG.
    • Junior synonym of tortuolosa: Brown, 1958g: 230, 324; Kempf, 1972a: 116; Bolton, 1995b: 210; Lattke, 1995: 189.

Description

References

  • Brown, W. L., Jr. 1958g. Contributions toward a reclassification of the Formicidae. II. Tribe Ectatommini (Hymenoptera). Bull. Mus. Comp. Zool. 118: 173-362 (page 230, Combination in Gnamptogenys, Senior synonym of guitensis)
  • Dalla Torre, K. W. von. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. 7. Formicidae (Heterogyna). Leipzig: W. Engelmann, 289 pp. (page 26, Combination in Ectatomma (Gnamptogenys))
  • Emery, C. 1896g. Studi sulle formiche della fauna neotropica. XVII-XXV. Bull. Soc. Entomol. Ital. 28: 33-107 (page 51, Combination in Ectatomma (Gnamptogenys))
  • Mayr, G. 1886c. Notizen über die Formiciden-Sammlung des British Museum in London. Verh. K-K. Zool.-Bot. Ges. Wien 36: 353-368 (page 358, Combination in Gnamptogenys)
  • Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp. (page 99, worker described)
  • Wheeler, G. C.; Wheeler, J. 1952a. The ant larvae of the subfamily Ponerinae - Part I. Am. Midl. Nat. 48: 111-144 (page 134, larva described)

References based on Global Ant Biodiversity Informatics

  • Arias-Penna T. M. 2008. Subfamilia Ectatomminae. Pp. 53-107 in: Jiménez, E.; Fernández, F.; Arias, T.M.; Lozano-Zambrano, F. H. (eds.) 2008. Sistemática, biogeografía y conservación de las hormigas cazadoras de Colombia. Bogotá: Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, xiv + 609 pp.
  • Bezdeckova K., P. Bedecka, and I. Machar. 2015. A checklist of the ants (Hymenoptera: Formicidae) of Peru. Zootaxa 4020 (1): 101–133.
  • 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.
  • Brandao, C.R.F. 1991. Adendos ao catalogo abreviado das formigas da regiao neotropical (Hymenoptera: Formicidae). Rev. Bras. Entomol. 35: 319-412.
  • Brown W. L., Jr. 1958. Contributions toward a reclassification of the Formicidae. II. Tribe Ectatommini (Hymenoptera). Bull. Mus. Comp. Zool. 118: 173-362.
  • Delabie J. H. C., R. Céréghino, S. Groc, A. Dejean, M. Gibernau, B. Corbara, and A. Dejean. 2009. Ants as biological indicators of Wayana Amerindian land use in French Guiana. Comptes Rendus Biologies 332(7): 673-684.
  • Fernandes I., and J. de Souza. 2018. Dataset of long-term monitoring of ground-dwelling ants (Hymenoptera: Formicidae) in the influence areas of a hydroelectric power plant on the Madeira River in the Amazon Basin. Biodiversity Data Journal 6: e24375.
  • Fernández F., and E. E. Palacio. 1995. Hormigas de Colombia IV: nuevos registros de géneros y especies. Caldasia 17: 587-596.
  • Fernández F., and T. M. Arias-Penna. 2008. Las hormigas cazadoras en la región Neotropical. Pp. 3-39 in: Jiménez, E.; Fernández, F.; Arias, T.M.; Lozano-Zambrano, F. H. (eds.) 2008. Sistemática, biogeografía y conservación de las hormigas cazadoras de Colombia. Bogotá: Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, xiv + 609 pp.
  • Fernández, F. and S. Sendoya. 2004. Lista de las hormigas neotropicales. Biota Colombiana Volume 5, Number 1.
  • Forel A. 1921. Quelques fourmis des environs de Quito (Ecuador) récoltées par Mlle Eléonore Naumann. Bulletin de la Société Vaudoise des Sciences Naturelles 54: 131-135.
  • Franco W., N. Ladino, J. H. C. Delabie, A. Dejean, J. Orivel, M. Fichaux, S. Groc, M. Leponce, and R. M. Feitosa. 2019. First checklist of the ants (Hymenoptera: Formicidae) of French Guiana. Zootaxa 4674(5): 509-543.
  • Groc S., J. H. C. Delabie, F. Fernandez, F. Petitclerc, B. Corbara, M. Leponce, R. Cereghino, and A. Dejean. 2017. Litter-dwelling ants as bioindicators to gauge the sustainability of small arboreal monocultures embedded in the Amazonian rainforest. Ecological Indicators 82: 43-49.
  • Groc S., J. H. C. Delabie, F. Fernandez, M. Leponce, J. Orivel, R. Silvestre, Heraldo L. Vasconcelos, and A. Dejean. 2013. Leaf-litter ant communities (Hymenoptera: Formicidae) in a pristine Guianese rainforest: stable functional structure versus high species turnover. Myrmecological News 19: 43-51.
  • Kempf W. W. 1961. A survey of the ants of the soil fauna in Surinam (Hymenoptera: Formicidae). Studia Entomologica 4: 481-524.
  • Kempf, W.W. 1972. Catalago abreviado das formigas da regiao Neotropical (Hym. Formicidae) Studia Entomologica 15(1-4).
  • Lattke J. E. 1995. Revision of the ant genus Gnamptogenys in the New World (Hymenoptera: Formicidae). Journal of Hymenoptera Research 4: 137-193
  • Lattke, J. E. 1990b. Revisión del género Gnamptogenys Roger en Venezuela (Hymenoptera: Formicidae). Acta Terramaris 2: 1-47
  • Menozzi C. 1935. Spedizione del Prof. Nello Beccari nella Guiana Britannica. Hymenoptera-Formicidae. Redia. 21: 189-203.
  • Salazar F., and D. A. Donoso. 2013. New ant (Hymenoptera: Formicidae) records for Ecuador deposited at the Carl Rettenmeyer ant collection in the QCAZ Museum. Boletín Tecnico 11, Serie Zoológica 8-9: 151 – 177.
  • Wheeler W. M. 1916. Ants collected in British Guiana by the expedition of the American Museum of Natural History during 1911. Bulletin of the American Museum of Natural History 35: 1-14.