Black Carpenter Ant

Scientific Name: Camponotus pennsylvanicus

Order & Family: Order Hymenoptera, Family Formicidae

Size: 6mm to 13mm (workers); up to 25mm (queens)

Black Carpenter Ant

Natural Habitat

Woodlands, forest edges, and wooden structures where moisture is present.

Diet & Feeding

Honeydew from aphids, plant juices, and other insects. They do not eat wood.

Behavior Patterns

Nocturnal foragers that tunnel into damp or decaying wood to create nesting galleries. They exhibit complex social structures with distinct castes.

Risks & Benefits

Benefits include aeration of soil and decomposition of dead wood. Risks include potential structural damage to homes if nests are established in building timbers.

Identified on: 12/27/2025