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Species: Eurhopalothrix bolaui   (Mayr, 1870) 

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Taxonomic History (provided by Barry Bolton, 2016)

Rhopalothrix bolaui Mayr, 1870a PDF: 415 (footnote) (q.) SURINAM. Neotropic. AntCat AntWiki HOL

Taxonomic history

Combination in Eurhopalothrix: Brown & Kempf, 1960 PDF}: 210.
See also: Longino, 2013 PDF: 113.


Neotropical Region: Brazil, Costa Rica, French Guiana, Guatemala, Guyana, Honduras, Nicaragua, Panama, Peru, Suriname, Venezuela

Distribution Notes:

Guatemala to Amazonian Brazil. Suriname is the type locality.


Eurhopalothrix bolaui is more likely to be found in second growth wet forest habitats than primary forest. It is a lowland species, occurring from sea level to 800 m elevation in Central America. One examined queen from Venezuela was found at 1350 m, in montane forest. Most specimens are from Winkler and Berlese samples of sifted litter and rotten wood from the forest floor. However, on multiple instances workers and in one case a dealate queen have been found by searching beneath loose bark of rotten wood.


This species has a single tooth row on the mandible (the similar E. gravis has a double tooth row). It has a full complement of 3 pairs of spatulate setae on the promesonotum (a set of similar, mostly montane species have reduced mesosomal pilosity). Eurhopalothrix zipacna is a larger, darker version of E. bolaui that occurs in cloud forests of Guatemala and Honduras.


A worker and queen (probable nestmates) from Osa Peninsula, Costa Rica, are considerably smaller than other Central American material. A queen from Venezuela is larger, darker, and with more roughened face sculpture compared to Central American queens.

Taxon Page Author History

On 2013-08-13 11:00:31 jack longino modified Identification
On 2013-08-13 10:52:09 jack longino modified Comments
On 2013-08-13 10:48:34 jack longino modified Biology

Specimen Habitat Summary

Found most commonly in these habitats: 10 times found in montane wet forest, 2 times found in wet forest, 1 times found in tropical rain forest, 2 times found in forest, 1 times found in Puesto9,257g, 10m., 1 times found in mature cloud forest, 2 times found in Sura, 1 times found in 1° forest, 1 times found in Puesto 1,99G,10m., 1 times found in rainforest, ...

Found most commonly in these microhabitats: 12 times ex sifted leaf litter, 4 times Hojarasca, 2 times rotten wood, 2 times on dead wood, 1 times Tall wet forest. Ex sifted leaf litter. 3.5 mesh sacks hung in Winkler bag for 3, 1 times southern SR-LEP junction; rotten log with loose bark. strays, 1 times sifted litter (leaf mold, rotten wood), 1 times Primary wet forest. Various ant species from a rotten log. Each species is repre, 1 times Del refugio hacia M/14, 1 times bajo de M/24, 1 times bajo de M/23, ...

Collected most commonly using these methods: 6 times Winkler, 5 times Berlese, 4 times search, 5 times maxiWinkler, 4 times Mini Winkler, 2 times Winkler sample, 2 times flight intercept trap, 1 times miniWinkler.

Elevations: collected from 5 - 1350 meters, 450 meters average

Type specimens: syntype of Rhopalothrix amoena: casent0900929; syntype of Rhopalothrix bolaui: casent0915938

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