South Carolina DNR's field supervisor Michael Hook (left) and Heron Point Golf Course Superintendent Paul McCarthy plan a plan of attack for the course's ponds and lakes to eradicate the island apple snail. The snail, indigenous to South America, has made an unwanted appearance in the area. The snail is an invasive species that carries a pathogen that, on very rare occasions, could be passed to humans if they are handled. sjessmore@thesunnews.com