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Species: Lasius umbratus   (Nylander, 1846) 

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See Also:

Lasius umbratus_cf

Taxonomic History (provided by Barry Bolton, 2019)

Formica umbrata Nylander, 1846b PDF: 1048 (q.m.) FINLAND. Palearctic. AntCat AntWiki HOL

Taxonomic history

Schenck, 1852 PDF: 59 (w.); Hauschteck, 1962 PDF: 219 (k.); Hung, 1969 PDF: 456 (k.).
Combination in Lasius: Mayr, 1861 PDF: 50; in Donisthorpea: Donisthorpe, 1915f: 223; in Formicina: Emery, 1916a PDF: 241; in Acanthomyops: Ruzsky, 1925b PDF: 44; in Chthonolasius: Ruzsky, 1936 PDF: 91; in Lasius (Chthonolasius): Ruzsky, 1914a PDF: 59; Müller, 1923b PDF: 129; Emery, 1925d PDF: 233; Wilson, 1955a PDF: 150.
Senior synonym of Lasius belgarum: Wilson, 1955a PDF: 150; Seifert, 1988a PDF: 150; of Lasius hirtiscapus: Wilson, 1955a PDF: 150; Seifert, 1990 PDF: 11; of Lasius affinoumbratus, Lasius aphidicola, Lasius epinotalis, Lasius exacutus, Lasius nyaradi, Lasius osakana, Lasius silvestrii and material of the unavailable names Lasius mixtoaffinis, Lasius mixtobicornis referred here: Wilson, 1955a PDF: 150; of Lasius mixtoumbratus: Wilson, 1955a PDF: 150; Kutter, 1977c: 14.


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Canada, United States
    Asia: Japan, Mongolia, Turkey
    Europe: Belgium, Czech Republic, Denmark, Finland, Germany, Italy, Netherlands, Norway, Romania, Russia, Spain, Sweden, Switzerland, United Kingdom
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Nearctic, Palearctic

Taxonomic Treatment (provided by Plazi)

Scientific Name Status Publication Pages ModsID GoogleMaps
Lasius umbratus   Collingwood, C. A., 1979, The Formicidae (Hymenoptera) of Fennoscandia and Denmark., Fauna Entomologica Scandinavica 8, pp. 1-174: 101-102, (download) 101-102 6175
Lasius umbratus   Ward, P. S., 2005, A synoptic review of the ants of California (Hymenoptera: Formicidae)., Zootaxa 936, pp. 1-68: -1, (download) -1 21008

Specimen Habitat Summary

Found most commonly in these habitats: 214 times found in heathlands, 178 times found in Unknown, 90 times found in Wet grassland, 76 times found in dry grassland, 54 times found in Forest, 52 times found in anthropogenic, 30 times found in Rocks (rocky-calcareous grasslands), 27 times found in dunes & inland dunes, 25 times found in cedar woodland, in soil under moss, 17 times found in mixed forest, litter under dead hardwood tree, ...

Found most commonly in these microhabitats: 13 times under rock, 6 times log stage 4, 4 times log stage 3, 2 times log stage 5, 2 times log stage 2, 2 times ground foraging, 1 times Bajo piedra, nido, 2 times under stone, 1 times on the ground, 1 times on road, 1 times log stage 5+, ...

Collected most commonly using these methods: 494 times pitfall trap, 51 times Manual catch, 39 times Color trap, 36 times Malaise trap, 22 times Berlese funnel, 8 times search, 5 times Window trap, 4 times Pyramid trap, 3 times Hand, 1 times Red color trap, 1 times Electronic trap, ...

Elevations: collected from 5 - 2896 meters, 1284 meters average

Type specimens: syntype of Lasius silvestrii osakana: casent0912287; syntype of Lasius umbratus exacutus: casent0911055; syntype of Lasius umbratus mixtoumbratus: casent0911054; type of Lasius umbratus: casent0903215

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