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Species: Tetramorium impurum   (Foerster, 1850) 

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See Also:

Tetramorium impurum_cf

Taxonomic History (provided by Barry Bolton, 2020)

Myrmica impura Foerster, 1850a: 48 (w.) GERMANY. Palearctic. AntCat AntWiki HOL

Taxonomic history

Emery, 1925a PDF: 184 (q.); Kutter, 1977c: 151 (m.).
Combination in Tetramorium: Mayr, 1855 PDF: 426.
Junior synonym of Tetramorium caespitum: Curtis, 1854: 215; Mayr, 1855 PDF: 426.


  Geographic regions (According to curated Geolocale/Taxon lists):
    Europe: Belgium, Czech Republic, Germany, Netherlands, Poland, Switzerland
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Distribution Notes:



Found in virtually all mesic grass habitats. Nests in soil, under rocks and in small loam hills.


(Dutch vernacular name: bruine zaadmier)

Specimen Habitat Summary

Found most commonly in these habitats: 136 times found in Unknown, 97 times found in Anthropogenic, 24 times found in dry grassland, 20 times found in Rocks (rocky-calcareous grasslands), 11 times found in Forest, 3 times found in Wet grassland, 3 times found in heathlands, 1 times found in montane coniferous forest, 1 times found in pasture, 1 times found in S-slope, bushy meadow, ...

Found most commonly in these microhabitats: 1 times swarming from rock, 1 times on the ground, 1 times nest under stone.

Collected most commonly using these methods: 118 times Manual catch, 59 times Pitfall trap, 3 times search, 3 times White pitfall, 1 times beating.

Elevations: collected from 360 - 1250 meters, 726 meters average

Type specimens: neotype of Myrmica impura: casent0919635; syntype of Tetramorium caespitum penninum: casent0915001; type of Tetramorium caespitum penninum: antweb1008488

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