Will Mothballs Kill Squirrels?

Will Mothballs Kill Squirrels? Mothballs will deter chipmunks and squirrels from your home. Mothballs contain the chemical naphthalene. Naphthalene has a very strong odor that chipmunks and squirrels detest. … If eaten, a mothball would kill a chipmunk or squirrel. What is the best way to repel squirrels? Use Strong Odors. Scents like white pepper,