United States (USA) - Louisiana north of approximately 30°55'N - counties of Avoyelles; Bienville; Bossier; Caddo; Caldwell; Catahoula; Claiborne; Concordia; De Soto; East Carroll; Franklin; Grant; Jackson; La Salle; Lincoln; Madison; Morehouse; Natchitoches; Ouachita; Rapides; Red River; Richland; Sabine; Tensas; Union; Vernon; Webster; West Carroll; Winn.