cf. Iridomyrmex biknelli (Emery)
Early October 2017
Narawntapu National Park
Genus identification thanks to Alex Wild. Species suggestion and information thanks to Peter McQuillan
“Widespread in Tasmania at elevations below 500m especially on free draining soils. Has an unusual overwintering behaviour whereby dormant workers cluster in dense aggregations inside the nest, sometimes around a penetrating root.”