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Species: Pheidole obscurithorax   Naves, 1985 

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Taxonomic History (provided by Barry Bolton, 2019)

Pheidole fallax subsp. obscurithorax Naves, 1985 PDF: 61 (s.w.) ARGENTINA. Neotropic. Primary type information: Alta Gracia, Córdoba, Argentina (Bruch); CASENT0913311; NHMB. AntCat AntWiki HOL

Taxonomic history

[First available use of Pheidole fallax arenicola obscurithorax Santschi, 1923d PDF: 58; unavailable name.].
Raised to species: Wilson, 2003A: 331.


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Argentina, Brazil, Ecuador, Paraguay, Peru, United States
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Nearctic, Neotropical
  Native to (according to species list records):
    Neotropical bioregion

Distribution Notes:

Paraguay: Caaguazú, Canindeyú, Central, Cordillera, Paraguarí, Pte. Hayes, San Pedro

Taxonomic Treatment (provided by Plazi)

Scientific Name Status Publication Pages ModsID GoogleMaps
Pheidole obscurithorax new status  Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press: 331, (download) 331 20017
Pheidole obscurithorax   Wild, A. L., 2007, A catalogue of the ants of Paraguay (Hymenoptera: Formicidae)., Zootaxa 1622, pp. 1-55: 35, (download) 35 21367

Specimen Habitat Summary

Found most commonly in these habitats: 0 times found in coastal pine savanna, 10 times found in open longleaf pine forest, 9 times found in nest in soil in foredunes, 7 times found in nest in sand, 6 times found in along transect in grassy area by highway edge, nest in soil, 5 times found in in relic dune scrub, 4 times found in open park like setting in longleaf pine/hardwood forest in soil, 4 times found in oak/pine scrub, 3 times found in sandy, vacant lot, 3 times found in in sand dunes along roadside, ...

Found most commonly in these microhabitats: 12 times ground nest, 7 times soil, 7 times ground forager, 2 times soil and litter, 1 times irregular nest in sand.

Collected most commonly using these methods: 7 times direct collection, 5 times Lindgren funnel baited with Typosan, 3 times Berlese funnel, 0 times Lindgren funnel baited with Typosan and alpha pinene, 1 times pitfall trap.

Elevations: collected from 5 - 250 meters, 164 meters average

Type specimens: Lectotype of Pheidole obscurithorax: casent0913311; paralectotype of Pheidole obscurithorax: casent0913312

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