23 May 2015 When black garden ants go from nuisance to pest Written by Jackie I’m never quite sure where the ‘black’ or the ‘garden’ elements relate to Lasius niger. In our garden these ants look more of a very dark brown and are to be found under the patio slabs, in the flower... Read More about When black garden ants go from nuisance to pest Ants, Insects, Pest Control, United Kingdom garden ants Leave a Comment