Camponotus pennsylvanicus, the eastern black carpenter ant, queen South Bristol, New York, USA
Eastern black carpenter ants engaging in trophallaxis, the social sharing of liquid food. Gatlinburg, Tennessee, USA.
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.