The spicebush swallowtail (Pterourus troilus) is hereby designated the state butterfly of Mississippi.Laws, 1991, ch. 315, § 1, eff. 7/1/1991.
Mississippi Legal Code
The spicebush swallowtail (Pterourus troilus) is hereby designated the state butterfly of Mississippi.Laws, 1991, ch. 315, § 1, eff. 7/1/1991.