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Species: Lasius citrinus   Emery, 1922 

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Taxonomic History (provided by Barry Bolton, 2019)

Lasius bicornis var. Citrina Emery, 1922b PDF: 12 (w.) ITALY. Palearctic. AntCat AntWiki HOL

Taxonomic history

Junior synonym of Lasius umbratus: Wilson, 1955a PDF: 151.
of Lasius affinis [missing reference] Schenck, [no year], and hence first available replacement name for Formica affinis Schenck, 1852 PDF: 62 [Junior primary homonym of Formica affinis Leach, 1825 PDF: 290.] and raised to species: Seifert, 1990 PDF: 7.


  Geographic regions (According to curated Geolocale/Taxon lists):
    Europe: Belgium, Czech Republic, Greece, Italy, Spain
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Distribution Notes:

2 localities in Centr. & S SLO


In edges of warm forests. Nests in/under stumps and fallen logs and dead wood.


no records during last 50 years

Specimen Habitat Summary

Found most commonly in these habitats: 32 times found in Unknown, 1 times found in mountain deciduous forest.

Found most commonly in these microhabitats: 1 times under stone.

Collected most commonly using these methods: 4 times Manual catch, 1 times Hand.

Elevations: collected at 567 m

Type specimens: Holotype of Lasius umbratus affinoumbratus: casent0903214; Lectotype of Lasius citrinus: casent0905679

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