Carpenter ant

6950.      I found one of these ants on my back walkway. Can you identify it? I found scraping on the pressure treated wood in the stairwell under my back deck. Can you tell me if that is related to the ant? There is a pile of wood scrapings underneath the damage. Thank you. Toronto, ON. Canada

Number 6950. This looks like a carpenter ant (Camponotus sp.), and the scraping in your second image does look like carpenter ant damage. Did the ‘shavings’ look like this Click here? Click here for more information including control recommendations.