A: Fire ants are one of Florida’s most aggressive landscape pests. Gardeners experience these biting and stinging insects almost daily. The easiest control method is to use baits. There are a few important things to know about the… Read More
Category: Pests & Disease
A: The ant you brought into the office is called a crazy ant, Paratrechina longicornis, occurs in large numbers in homes or outdoors. They often forage long distances away from their nests, so nests are often difficult to… Read More
Q: I have these small, black insects all over the buds of my hibiscus plant. What are they and how do I control them?
A: Identifying the insects was easy since you brought a clipping of one of the buds into the Nassau County Extension Yulee satellite office plant clinic. The insects are aphids, which are small pear-shaped creatures that pierce into… Read More
Q: What is causing the new leaves on my ficus plants to fold in half? I have been told they are thrips.
A: After talking to you about bringing a sample in a sealed plastic bag to the office, I was able to determine they were most likely weeping fig thrips, Gynaikohrps uzeli. Since the plants at your nursery were… Read More
A: Your plums are showing the early stages of brown rot, which is caused by a fungus called Monilina fructicola. Brown rot can attack blooms, fruit, leaves, and stems. It over-winters on blighted stems and mummified fruit. Brown… Read More
Q: I believe we have two pineapple guavas by our front door and one is losing its leaves dramatically. There is a “beige colored” hard cocoon about 1.5“on a branch. Also, this bush was bothered by the large… Read More
Q: What is wrong with my persimmon? Many of the leaves have browning around the edges. After talking to you, I went out and removed some of the stems and found a dark, discolored ring you suspected I… Read More
A: This disease is appropriately called “Black Leaf Spot.” It is caused by a fungus, which can be especially troublesome during wet weather. Since we are currently experiencing drought conditions you might ask how such a disease can… Read More
A: I believe they are mealy bugs which are soft-bodied insects with a piercing-sucking mouthpart. They produce a covering of clumps of white, waxy threads. A by-product of mealy bug feeding is sticky honeydew which coats infested foliage… Read More
Q: I have these small white specks on the back of my magnolia leaves. Can you tell me what they are and will they harm my magnolia?
A: At first I thought it might be some sort of tea scale but a closer look made me realize it was the pupa stage of some insect. I knew we probably needed to be concerned because there… Read More