Two species of fire ants are found in Florida. Most notorious is Solenopsis invicta Buren, the red imported fire ant (RIFA), followed by the much less common Solenopsis geminata (Fabricius), the tropical or native fire ant.
Leaf curl is a plant disease characterized by curling of leaves, and caused by a fungus, genus Taphrina, or virus, especially genus Begomovirus of the family Geminiviridae.
Several fungal diseases will cause the leaves of citrus tree to curl, distort, yellow, wilt and drop prematurely from the tree. Bacterial blast and botrytis disease are two of these fungal diseases that lead to leaf curling.Bacterial blast starts out as black lesions on the petiole and moves to the axil.phids, spider mites, citrus leaf miners, scale insects and mealybugs are a few of these sap-sucking pests that will cause the leaves to curl, wilt and die. Introducing predatory insects that feed on the sap-sucking pests will help keep their numbers in check.