The slugs were gathered from various places of Cairo, Giza, and Qalyubia governorates in Egyptian nurseries. Leidyula floridana considered as highly harmful to agricultural productivity. That found in other agricultural regions with widespread in gardens, nurseries, and agricultural areas, the slug was popularly known as the Florida leather leaf slug that recorded she was a real pest of ornamental plants in southern Florida and field crops. This research provides critical information on this species, historical and current distribution in Egyptian agricultural areas.