Lasius niger is a small brown to dark brownish black ant that is common in gardens and if not our commonest ant is certainly the one people are most familiar with. Scapes and tibia have erect hairs. The clypeus has dense pubescence.
The ‘common black ant’ frequently referred to as Lasius niger is in fact two discrete species with different morphology and ecology - L. niger and L. platythorax Siefert 1992. This was first recognised in Seifert, 1991. The use of L. niger in the wide sense is so well ingrained that all records should be put to the agg, unless those for L. niger are specifically known to relate to L. niger: iso Seifert 1992.
Common in southern Britain, local in Ireland and Scotland. Common in parks, gardens and built-up areas. Range: from Portugal to Japan and from North Africa to Finland. Also in North America.
The map shows records for L. niger: iso Seifert 1992 and excludes records for L. niger agg.