This is simple, there could be an option where carpenter ants can make blast tunnels. When you click on them you can dig but instead of one tile, it selects ten tiles in the shape of a circle of something. Then they go over and explode. Warning it might damage tiles and workers etc.
PS: Why is my post about special big bug deaths not getting any replies, nothing I just noticed.
PS: Why is my post about special big bug deaths not getting any replies, nothing I just noticed.