First occurrence of Biomphalaria straminea in the South Goiano, Brazil

The objective of this note is to report the occurrence of the Biomphalaria straminea in the county of Cachoeira Dourada in the south of Goias, and wit h that enhance the knowledge about its geographical distribution in the sta te. More than identify the species, the collection of thirty samples helped study and verify the presence of cercariae, especially because they were f ound in a setting which offers proper conditions to the development of a fo cal transmission sire of schistosomiasis.