Tandem running in eastern black carpenter ants. This behavior involves an experienced ant in close contact with one or more others to show them how to find a food or nesting resource. Gatlinburg, Tennessee, USA.
A queen carpenter ant (Camponotus pennsylvanicus) inside the nest. Clinton Lake State Recreation Area, Illinois, USA
An eastern black carpenter ant (Camponotus pennsylvanicus) deep inside a rotting log. Illinois, USA
