Florida Agriculture Commissioner Nikki Fried, left, announces the eradication of the giant African land snails in Florida, during a news conference with Richard Miranda, center, Florida State Plant Health Director for Plant Protection and Quarantine within the USDA-APHIS, and Trevor Smith, State Plant Regulatory Official and Director of FDACS-DPI, on Wednesday at Douglas Park in Miami. The snails, which were found in Miami in 2011, are one of the most damaging snails in the world because they consume at least 500 types of plants, can cause structural damage to plaster and stucco, and can carry a parasitic nematode that can lead to meningitis in humans. (AP Photo/Wilfredo Lee) (Wilfredo Lee/AP)