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Species: Eurhopalothrix bruchi   (Santschi, 1922) 

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Taxonomic History (provided by Barry Bolton, 2019)

Rhopalothrix bruchi Santschi, 1922e PDF: 256 (w.) ARGENTINA. Neotropic. AntCat AntWiki HOL

Taxonomic history

Combination in Eurhopalothrix: Brown & Kempf, 1960 PDF: 214.
See also: Longino, 2013 PDF: 114.


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Argentina, Brazil, Paraguay
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Distribution Notes:

Argentina, Paraguay (Itapúa).


This is a highly distinctive species that has abundant uniform ground pilosity of broadly spatulate appressed setae, but no specialized setae projecting above it. The ground pilosity uniformly covers the clypeus, face, promesonotum, and first gastral tergite. The posterior face of the propodeum has a longitudinal subrectangular lamella instead of an acute propodeal spine. It is one of the smallest known species, with HW < 0.5.

Taxonomic Treatment (provided by Plazi)

Specimen Habitat Summary

Found most commonly in these habitats: 8 times found in Semideciduous seasonal forest.

Found most commonly in these microhabitats: 1 times solo/werapilheira.

Collected most commonly using these methods: 5 times Hypogaeic winkler, 1 times 30 x 30 cm winkler (litter + 2 cm of soil), 1 times Winkler (litter only, no soil), 1 times Winlker (no litter, only soil), 1 times Aerial Malaise (0.8-1.3 m), 0 times Manual sampling, 1 times Winkler.

Elevations: collected from 73 - 725 meters, 332 meters average

Type specimens: syntype of Eurhopalothrix bruchi: casent0912536; type of Rhopalothrix bruchi: focol2180

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