Gnamptogenys porcata

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Gnamptogenys porcata
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Ectatomminae
Tribe: Ectatommini
Genus: Gnamptogenys
Species: G. porcata
Binomial name
Gnamptogenys porcata
(Emery, 1896)

Gnamptogenys porcata jtlc000004483 profile 1.jpg

Gnamptogenys porcata jtlc000004483 dorsal 1.jpg

Specimen labels


A dweller of premontane to montane humid forests. J. Longino (pers. comm.) found an incipent nest in Cecropia insignis. One nest midden contained mostly the remains of beetles: scotylids, bostrichids, curculionids, besides isopods. Nests from one population (Venezuela, Tachira) consistently had their brood chambers irregularly wall-papered with the remains of pupal cocoons.


A member of the porcata subgroup (in the striatula species group). Costate species, median longitudinal costae on pronotum inscribed anteriorly by transverse costae; posterodorsal mesosomal sculpture variable: concentric ovaloids with longitudinal or transverse orientation, or with longitudinal costae inscribed within whorls; piceous body with ferruginous legs. The study of a series from Venezuela representing several colonies from different populations show great variability for dorsal mesosomal sculpturing. (Lattke 1995)

Keys including this Species


Distribution based on Regional Taxon Lists

Neotropical Region: Brazil, Colombia, Costa Rica (type locality), Ecuador, Guatemala, Honduras, Mexico, Nicaragua, Venezuela.

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.

  • porcata. Ectatomma (Holcoponera) porcatum Emery, 1896g: 48 (w.) COSTA RICA. Forel, 1908b: 38 (q.m.). Combination in Holcoponera: Emery, 1911d: 40; in Gnamptogenys: Brown, 1958g: 229. Senior synonym of magnifica: Lattke, 1995: 180.
  • magnifica. Holcoponera magnifica Santschi, 1921g: 81 (w.) BRAZIL. Combination in Gnamptogenys: Brown, 1958g: 228. Junior synonym of porcata: Lattke, 1995: 180.



  • Brown, W. L., Jr. 1958g. Contributions toward a reclassification of the Formicidae. II. Tribe Ectatommini (Hymenoptera). Bull. Mus. Comp. Zool. 118: 173-362 (page 229, Combination in Gnamptogenys)
  • Emery, C. 1896g. Studi sulle formiche della fauna neotropica. XVII-XXV. Bull. Soc. Entomol. Ital. 28: 33-107 (page 48, worker described)
  • Emery, C. 1911e. Hymenoptera. Fam. Formicidae. Subfam. Ponerinae. Genera Insectorum 118: 1-125 (page 40, Combination in Holcoponera)
  • Forel, A. 1908c. Fourmis de Costa-Rica récoltées par M. Paul Biolley. Bull. Soc. Vaudoise Sci. Nat. 44: 35-72 (page 38, queen, male described)
  • Lattke, J. E. 1995. Revision of the ant genus Gnamptogenys in the New World (Hymenoptera: Formicidae). J. Hym. Res. 4: 137-193 (page 180, Senior synonym of magnifica)