Where do pill bugs go in winter?

Answer 1

Pill bugs and Sow bugs (similar but not the same things) tend to stay in urbanized areas. They cannot survive temperatures below 21 degrees F. If in a forrest, for example, they would have to burrow at least 2 feet into the soil to avoid the freezing temperatures! However, they are very bad at digging so they instead have adapted to urban areas like cities and neighborhoods. They stay near houses and make use of the tiny cracks and crevices between the dirt and a buildings foundations. There, they can more easily dig down to a foot or two and stay there till spring. Since most homes are heated from the inside, it raises the temperature of the dirt right next to the foundation so that means pill bugs don't have to dig as deep as they would in a forrest.