Carpenter ants are one of the most common ants in Minnesota. To know if your house is infested look for these common signs.

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Most Common Signs of a Carpenter Ants

carpenter ant galleries with ants

Tunneling Inside Wood

Carpenter ants are attracted to water-damaged wood. The soft wood is easy for them to chew through. A sign of carpenter ant activity is seeing tunnels and galleries inside water-damaged wood.

Carpenter ant frass

Frass

Carpenter ants don’t eat and digest wood like termites. They chew on the wood and spit it out. What comes out of their mouth is known as frass. From a distance, the frass looks like sawdust. At a closer inspection, you will see bits of their food mixed inside the piles. Parts of dead insects, seeds, leaves, and nuts are a few of their most common foods.

Winged carpenter ants

Winged Ants

Winged carpenter ants are mostly seen between April-July. Winged ants are a sign of mating season or the beginning of a new ant colony. Male and female carpenter ants both have wings. After mating, the male dies and the female flies to locate a place to start a new colony.

Hearing Sounds

For homes that are heavily infested, you may be able to hear them. Carpenter ants are usually active at night. During this time, it’s possible to hear them chewing through the wood. This sound is described as a clicking or crackling sound. As they chew the wood, it becomes hollow, making a unique sound that could indicate an ant nest inside.

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