Evidence Centre
Black garden ant evidence
Lasius niger
Photographs of the signs that black garden ants leave behind, each labelled with what it may indicate. Compare what you have found at your property against these references.
If the signs here match what you have found, the treatment side is covered under insect control across Hertfordshire.
Runs and smear marksForaging trail
A worker trail running along a kitchen surface towards a food source.
What this may indicate: A pheromone route from an external nest. Following the trail backwards usually locates the nest.
- Area
- Kitchen
- Stage
- Inspection
Educational Reference ImageRelated treatment