First record of the American bullfrog Lithobates catesbeianus (Shaw, 1802) in Mendoza province, Argentina

We discovered a well established population of L. catesbeianus in Mendoza province, San Carlos department, Capiz locality (33°41'11"S, 68°59'09" W; elevation: 920 m) and other nearby localities at Tunuyán department. This record extends the distribution range of this species 270 km S-SE from Calingasta, San Juan, and 400km W-SW from Villa Dolores, Córdoba. The region is part of the Monte phytogeographic province, which is characterized by an arid climate with mean annual temperature of 17.7oC (mean annual minimum and maximum: -1.4 and 38.0oC, respectively) and mean annual rainfall of 331.2 mm, which occurs mainly in summer.