R.I. Gen. Laws § 2-17-5: Importation or transportation of infestation.

No imagos, eggs, caterpillars, or pupae of the gypsy or brown-tail moths, and no lumber (new or old), wood, posts, shrubs, trees, or branches, stone or rubbish, nor any material which by reason of having been exposed to infestation is liable to carry the live eggs, imagos, caterpillars, or pupae of the moths, shall knowingly be imported into the state, nor be transported from place to place within the state.