Range & Status
Distributed throughout the British Isles, but commoner in the south of England.
Recently recorded from West Cornwall, but probably under-recorded. Last recorded from the Isles of Scilly in 1970.
Habitat & Ecology
Found on sea cliffs, under stones or tree stumps. The nests are founded by invading the nests of Lasius alienus and Black Garden Ant Lasius niger . Tolerant of full shade.
No known threats.