Category: Pests & Disease

Common rust disease causes premature leaf drop of frangipani (plumeria) plants.

A rust (fungus) disease, Coleosporium plumeria, defoliates many varieties every year.                Top photo: The rust disease coats the underside of the leaf with orange pustules and causes leaves to turn yellow, then brown and rapidly defoliate in… Read More

Rugose Spiraling Whitefly (Aleurodicus rugioperculatus: Hemiptera: Aleyrodidae) Popping Up on Coconut Palms- Oct. 2018

rugose spiraling whitefly effects closeup

               Above: Spiraling whiteflies smother a gumbo-limbo (Pic: Kim Gable, UF |IFAS Extension Key West). Bottom: Close-up of spiraling whitefly (Pic. Holly Glenn, UF|IFAS Homestead TREC). Note the sucking mouthparts.   The Rugose spiraling whitefly is a mess-maker,… Read More

Ficus Whitefly, Singhiella simplex, was One of the Most Destructive Landscape Pests

Ficus whitefly damage

Before ficus whitefly, this community was surrounded by a wall of Ficus benjamina. Same hedge, about 6  years after ficus whitefly invasion. Dr. Muhammed Z. Ahmed and Collier County MG Tatiana Burhart evaluate the hedge’s failure. Ficus whiteflies… Read More

Master Gardener Plant Clinics | Collier County Extension

Master Gardeners

Having difficulty with your shrubs?  Don’t know what kind of insect is attacking your plants?  Check with the Master Gardeners for solutions to gardening and landscape problems such as plant identification, insect and disease identification, soil pH testing and… Read More

Do You Have Rusty Staining Under the Old Bucida (Black Olive) Tree? It’s the caterpillars or galls.

Bucida staining

Staining is caused by caterpillar frass and string-bean-like mite galls, not plant leaves or fruit. It doesn’t occur every year so there is no need to remove trees because of the staining. In an attempt to reduce homeowner… Read More

Florida Native Shrub, Florida Swampprivet, Has Plant Bug Pest (Miridae) that was Discovered in 2010-2011.

privet bug spottin

 The gooey, shmear spotting is the plant bug excrement. When scouting, you may not see the insects, but their spotting gives them away. Tropidosteptes forestierae (Hemiptera: Heteroptera: Miridae: Mirinae): A New Species of Plant Bug Injuring Ornamental Florida… Read More

Fact Sheet: Ixora leaf spots and chlorosis are common. What to do?

Ixora

What are those purple leaf spots? Why are these leaves yellowing and dying? See this fact sheet (as well as video) to grow healthy ixora:                                 1. To get the fact sheet, click here:  Ixora Spots: A… Read More

FACT SHEETS | Solutions for SW Florida Landscape Publications

Cassia bakeriana

FACT SHEETS | Lawn & Landscape Publications A-Z A Annuals of Fla (pdf – also Bedding Plants) B Bedding Plants (pdf – see also Annuals) Boron Deficiency (pdf) Brazilian Cherry or Grumichama (pdf) Brown Patch in St Augustine Grass… Read More