Species: Pachycondyla stigma

Author: John T. Longino

Taxonomic Hierarchy:

Subfamily: Ponerinae Genus: Pachycondyla

Distribution:

Southern USA to Argentina; introduced worldwide; Paraguay: Boquerón, Caaguazú, Canindeyú, Central, Concepción, San Pedro

Biology:

Natural History:

Pachycondyla stigma is well-known as a tramp species found throughout the world in the tropics. It is very widespread, and is able to colonize remote oceanic islands. It is extremely generalized with respect to nesting sites and habitats. I have collected it in mangrove swamps, banana plantations, and mature rainforest. It usually nests in dead wood or under loose bark. Nests may occur at ground level, in the low arboreal zone, or in the canopy. Colonies are small and inconspicuous.

This nest observation is from Corcovado National Park: In canopy of tall Licania (Chrysobalanaceae) tree. Nesting in rotten wood protruding from a knothole. The material was humus-like, covered with moss. The nest was in the form of small, inter-connected chambers, each about the size and shape of half a peanut shell, containing 5-10 larvae of varying sizes, some with 3-4 pupae.

Taxonomic History (provided by Barry Bolton, 2010)

stigma. Formica stigma Fabricius, 1804: 400 (q.) SOUTH AMERICA. Wheeler, G.C. & Wheeler, J. 1952c: 627 (l.); Wheeler, G.C. & Wheeler, J. 1976a: 55 (l.). Combination in Ponera: Mayr, 1863: 450; in Pachycondyla (Pseudoponera): Emery, 1900c: 314; Emery, 1901a: 46; in Euponera (Pseudoponera): Forel, 1901g: 398; in E. (Trachymesopus): Emery, 1911d: 85; in Trachymesopus: Wilson, 1958d: 355; Kempf, 1960f: 424; in Mesoponera: Wheeler, G.C. & Wheeler, J. 1976a: 55; in Pachycondyla: Brown, in Bolton, 1995b: 310. Senior synonym of americana, quadridentata (and its junior synonym myopa): Emery, 1887b: 434; of brunneus, nixoni, quadridentata, sexdentatus: Wilson, 1958d: 355. Current subspecies: nominal plus attrita, rufescens.

References:

Fabricius, J. C. 1804. Systema Piezatorum secundum ordines, genera, species, adjectis synonymis, locis, observationibus, descriptionibus. Brunswick: C. Reichard, xiv + 15-439 + 30pp. Ants - p. 395-428.

Roger, J. 1863. Die neu aufgefuehrten Gattungen und Arten meines Formiciden-Verzeichnisses nebst Erganzung einiger frueher gegebenen Beschreibungen. Berl. Entomol. Z. 7:131-214.


10 Specimens Imaged | View All 104 Specimens for this species


CASENT0104186

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CASTYPE06938

CASTYPE06976


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