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Species: Temnothorax schaumii   (Roger, 1863) 

Download Data

Taxonomic History (provided by Barry Bolton, 2020)

Leptothorax schaumii Roger, 1863a PDF: 180 (w.) U.S.A. Nearctic. AntCat AntWiki HOL

Taxonomic history

Combination in Leptothorax (Myrafant): Smith, 1979: 1394.
Combination in Temnothorax: Bolton, 2003 PDF: 272.
See also: Wheeler, 1903d PDF: 232; Mackay, 2000 PDF: 403.
// Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: United States
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Distribution Notes:



Forest, woodland, parks, campuses, arboreal


Usually very dark brown to black, there is a rare yellowish to reddish variant of T. schaumii that I have collected twice in eastern Missouri, and I have one specimen that could be described as intermediate.

Specimen Habitat Summary

Found most commonly in these habitats: 4 times found in Beech-maple forest, 1 times found in riparian woodland edge, 2 times found in Mixed hardwood forest, 1 times found in Suburban with wide-spaced, 1 times found in floor litter u. skunk cabbage & cinnamon, 1 times found in in the city, 1 times found in Live oak woodland, 1 times found in Oak grove, 1 times found in Oak Savanna, 1 times found in open sandy pine/oak forest, ...

Found most commonly in these microhabitats: 1 times foragers on a large, cut cottonwood log, 1 times hardwood trees, 1 times UPS cargo, 1 times under large oak in lawn of rest area, 1 times under bark of Sycamore, 1 times stray forager, 1 times sifted leaf litter, 1 times sawdust pile, 1 times on trunk of oak tree in picnic area, 1 times on old tree in museum park, 1 times on cypress trunk, ...

Collected most commonly using these methods: 6 times Search, 7 times direct collection, 6 times malaise trap, 3 times beating vegetation, 2 times hand collecting, 1 times peanut butter bait on Quercus sp., 1 times Pitfall, 1 times Lindgren funnel trap baited with ethanol lure.

Elevations: collected from 5 - 2750 meters, 499 meters average

Collect Date Range: collected between 1923-10-10 and 2019-07-16

Type specimens: syntype of Leptothorax fortinodis: casent0919745; syntype of Leptothorax fortinodis: casent0909059

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