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Species: Lasius citrinus   Emery, 1922 

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Current Valid Name:

Taxonomic History (provided by Barry Bolton, 2022)

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

Taxonomic history

Replacement name for Lasius affinis (Schenck, 1852) [Junior primary homonym of Formica affinis Leach, 1825.]
[Note: Lasius bicornis var. citrina junior synonym of Lasius affinis (Schenck, 1852) (synonymy by Seifert, 1990 PDF: 7, 10); hence Lasius citrinus first available replacement name.]
Junior synonym of Lasius umbratus: Wilson, 1955a PDF: 151; Bernard, 1967a PDF: 363; Smith, 1979: 1439.
Junior synonym of Formica affinis: Seifert, 1990 PDF: 7, 10.
// Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Asia: Georgia, North Korea
    Europe: Austria, Belarus, Belgium, Bulgaria, Czech Republic, Greece, Hungary, Italy, Netherlands, Norway, Poland, Russia, Slovakia, Slovenia, Spain, Switzerland
  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.

Elevations: collected at 567 m

Collect Date Range: collected between 1907-12-31 00:00:00.0 and 2012-09-01 00:00:00.0

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

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