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.
Here are the most common reasons for yellowing leaves: 1  Normal aging. 2  As many plants age, the lower leaves will turn yellow and drop off as a normal part of growth. 3  This is especially true of foliage plants like dieffenbachia and dracaena.4  In this case, don't worry. Normal aging. 2  As many plants age, the lower leaves will turn yellow and drop off as a normal part of growth. 3  This is especially true of foliage plants like dieffenbachia and dracaena. 4  In this case, don't worry.