- one node (bump between middle and rear body sections)
- black or black with a reddish-brown body
- abdomen covered in yellowish hairs
- worker ants of many sizes
- evenly rounded thorax
- sawdust outside of nests/galleries
Host Plants, Diet & Damage
- invade hollow landscape trees, log piles, etc.
- feed on living and dead insects, protein, sweets and honeydew excreted by aphids and other insects
- chew and remove wood to create galleries and tunnels
Biology, Life Cycle & Damaging Life Stage
- one queen housed in the primary nest, typically outdoors
- nest in wood, especially moist or decaying wood
- have a primary nest and separate satellite nests
- adult worker ants are the damaging life stage
- Identify ants to determine species.
- Find nesting locations by following workers back to their nest, if possible.
- Remove and replace water-damaged or decaying wood or severely infested landscape trees.
- Prune vegetation away from structures to eliminate contact.
- Remove food and water sources.
- Seal potential ant entryways if ants are entering a structure.
- Use ant baits to help eliminate nests that are hard to find.
- Destroy nests using an appropriately labeled liquid, dust or bait insecticide.
For more information, see our Carpenter Ants fact sheet.