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Species: Strumigenys longispinosa   Brown, 1958 

Classification:
Download Data

Taxonomic History (provided by Barry Bolton, 2020)

Strumigenys longispinosa Brown, 1958e PDF: 123, figs. 1, 2 (w.) PANAMA. Neotropic. AntCat AntWiki HOL

Taxonomic history

[Strumigenys longispinosa Weber, 1952b PDF: 3; unavailable name, attributed to Brown.].
See also: Bolton, 2000: 542.
// Distribution

Distribution:

  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Costa Rica, Panama
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Neotropical

Distribution Notes:

Costa Rica, Panama (type locality), Ecuador. In Costa Rica: southern Pacific lowlands.

Biology:

Natural History:

Brown and Wilson (1959) summarize the genus as follows:

"Widespread in tropics and warm temperate areas. Primarily forest-dwelling; some species occur in grassland and arid scrub. ... Nests mostly in soil and rotting wood; a few species live in arboreal plant cavities in tropical rain forest. Foraging hypogaeic to epigaeic-arboreal. Food: most species are collembolan feeders; a few are polyphagous predators or occasionally feed on sugary substances..."

Members of the genus are all predaceous, with a kinetic mode of attack (Bolton 1999).

longispinosa occurs in lowland wet forest. Workers forage in leaf litter on the forest floor. Weber (1952) observed the nest of the type collection, from Barro Colorado Island, Panama. The nest was in rainforest soil, below the soil cover, and surmounted by a small crater.

References:

Bolton, B. 1999. Ant genera of the tribe Dacetonini (Hymenoptera: Formicidae). J. Nat. Hist. 33:1639-1689.

Bolton, B. 2000. The ant tribe Dacetini, with a revision of the Strumigenys species of the Malagasy Region by Brian L. Fisher, and a revision of the Austral epopostrumiform genera by Steven O. Shattuck. Memoirs of the American Entomological Institute 65:1-1028.

Brown, W. L., Jr. 1958 (1957). The neotropical species of the ant genus Strumigenys Fr. Smith: Group of marginiventris Santschi. Journal of the New York Entomological Society 65:123-128.

Brown, W. L., Jr. 1962. The neotropical species of the ant genus Strumigenys Fr. Smith: Synopsis and keys to the species. Psyche 69:238-267.

Brown, W. L., Jr., Wilson, E. O. 1959. The evolution of the dacetine ants. Quarterly Review of Biology 34:278-294.

Weber, N. A. 1952. Biological notes on Dacetini (Hymenoptera, Formicidae). American Museum Novitates 1554:1-7.

Specimen Habitat Summary

Found most commonly in these habitats: 16 times found in mature rainforest, edge of forest near pasture and agricultural land, steep rocky terrain, 5 times found in tropical rainforest, 2 times found in mature wet forest, 3 times found in rainforest, 1 times found in wet forest, 1 times found in lowland rainforest, 1 times found in montane wet forest, patch at road edge surrounding a small stream, other side of stream with more contiguous forest, less disturbed, possibly mature, 1 times found in montane wet forest, small patch at edge of road, probably 2ndary, Vachelia with Pseudomryemx ants presnt in understory, 1 times found in tall wet forest.

Found most commonly in these microhabitats: 28 times ex sifted leaf litter, 1 times Ex sifted leaf litter., 1 times at bait, 1 times on clay bank, edge of stream.

Collected most commonly using these methods: 23 times miniWinkler, 4 times Winkler, 2 times maxiWinkler, 1 times baiting, 1 times search.

Elevations: collected from 10 - 600 meters, 331 meters average

Collect Date Range: collected between 1985-07-26 and 2020-01-26

Type specimens:



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