Formica rufa Wood Ants

The most likely ants to be encountered in the garden are either Lasius niger which is the black ant, or Lasius flavus which is yellow/orange in colour. Both ants build their nests under stones or pots. Lasius niger is the one I find under the patio slabs etc while Lasius flavus is under or in my pots on the floor in the Green house.

The wood ant Formica rufa is not fouund in my garden but in the nearby woods and is considerably larger than the two garden species above.

Lasius flavus

Lasius niger

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