Gnamptogenys continua

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Gnamptogenys continua
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Ectatomminae
Tribe: Ectatommini
Genus: Gnamptogenys
Species: G. continua
Binomial name
Gnamptogenys continua
(Mayr, 1887)

Gnamptogenys continua casent0173383 profile 1.jpg

Gnamptogenys continua casent0173383 dorsal 1.jpg

Specimen labels

Synonyms

Collected in leaf litter samples from humid forests.

Identification

A member of the mordax subgroup (in the mordax species group). Mandibles with linear tendency; mesometanotal suture impressed; declivituous propodeal face with small superolateral lobes; upper half with longitudinal costulae and inferior half with transverse costulae; sternal disc of postpetiole smooth; anterior nodal face rugose with some inferior transverse costulae. (Lattke 1995)

Keys including this Species

Distribution

Distribution based on Regional Taxon Lists

Neotropical Region: Bolivia, Brazil (type locality), Colombia, Ecuador, Greater Antilles, Mexico, Panama, Paraguay, Peru, Venezuela.

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Biology

Not much is known about the the biology of Gnamptogenys continua. 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

Worker

Nomenclature

The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • continua. Ectatomma (Gnamptogenys) continuum Mayr, 1887: 544 (w.) BRAZIL. Combination in Gnamptogenys: Brown, 1958g: 227. Senior synonym of panamensis: Brown, 1958g: 227; of exaratum: Lattke, 1995: 163.
  • exaratum. Ectatomma (Gnamptogenys) exaratum Emery, 1901a: 50 (q.) PERU. Junior synonym of continua: Lattke, 1995: 163. See also: Brown, 1958g: 303.
  • panamensis. Ectatomma (Gnamptogenys) continuum var. panamensis Santschi, 1931c: 265, fig. 1 (w.) PANAMA. [Unresolved junior primary homonym of Ectatomma dentinode var. panamense Forel, 1899c: 9 (now in Heteroponera).] Junior synonym of continua: Brown, 1958g: 227.

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 227, Combination in Gnamptogenys,, Senior synonym of panamensis)
  • Delabie, J.H.C., da Rocha, W.D., Feitosa, R.M., Devienne, P. & Fresneau, D. 2010. Gnamptogenys concinna (F. Smith, 1858): nouvelles données sur sa distribution et commentaires sur ce cas de gigantisme dans le genre Gnamptogenys (Hymenoptera, Formicidae, Ectatomminae). Bulletin de la Société entomologique de France 115, 269-277.
  • Lattke, J. E. 1995. Revision of the ant genus Gnamptogenys in the New World (Hymenoptera: Formicidae). J. Hym. Res. 4: 137-193 (page 163, Senior synonym of exaratum)
  • Mayr, G. 1887. Südamerikanische Formiciden. Verh. K-K. Zool.-Bot. Ges. Wien 37: 511-632 (page 544, worker described)