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Species: Octostruma stenoscapa   Palacio, 1997 

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Taxonomic History (provided by Barry Bolton, 2019)

Octostruma stenoscapa Palacio, 1997: 414, figs. 2D-F (w.) COLOMBIA. Neotropic. AntCat AntWiki HOL

Taxonomic history

See also: Longino, 2013 PDF: 51.


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Colombia, Ecuador, Guyana, Panama
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Distribution Notes:

Panama, Colombia, Ecuador.


This species is now known from a range of habitats from central Panama to Ecuador. It has been collected in lowland rainforest, second growth forest, and cloud forest. Elevations range from near sea level to 1600 m.


This highly distinctive species has mandibles like Basiceros, unlike any other Octostruma species.

Specimen Habitat Summary

Found most commonly in these habitats: 1 times found in moss forest, 1 times found in wet ravine, 1 times found in ridgetop montane forest, mixed Cecropia/cloud forest, 2 times found in cloud forest, 2 times found in forest, 1 times found in lowland rainforest, 1 times found in montane wet forest, 1 times found in second growth forest, 1 times found in selva tropical, 1 times found in 1� forest, ...

Found most commonly in these microhabitats: 5 times ex sifted leaf litter, 3 times ex sifted litter, 1 times litter, 1 times ex soil & fungus litter, 1 times ex sifting rotten logs/stumps.

Collected most commonly using these methods: 4 times berlese, 3 times Davis sifter, 4 times maxiWinkler, 1 times litter sample, 1 times Transecto Tatamá, TAT 201.

Elevations: collected from 20 - 2000 meters, 1222 meters average

Type specimens:

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