Pest identification
What's eating my thatch palm?
Scale insects
Signs: Hard, shell-like bumps on fronds and petioles extract sap, causing yellowing leaflets and sticky honeydew deposits
Control: Spray horticultural oil or insecticidal soap when crawlers are active in spring and early summer; repeat after 2–3 weeks
Spider mites
Signs: Stippled, pale frond surfaces with fine webbing on undersides; worst in hot, dry weather or low-humidity indoor settings
Control: Mist fronds to raise humidity; apply insecticidal soap or neem oil to leaf undersides every 5–7 days until population collapses
Keep thatch palm pest-free
Healthy plants resist pests best. Get the basics right:
Thatch Palm pests — FAQ
What is eating my thatch palm?
Thatch palm (Thrinax radiata) is a robust, pest-resistant native of Florida and the Caribbean. Scale insects and spider mites are the most likely minor nuisances. The species has good natural resistance to most palm diseases and pests, and established specimens in suitable conditions rarely require intervention.
How do I get rid of scale insects on thatch palm?
Hard, shell-like bumps on fronds and petioles extract sap, causing yellowing leaflets and sticky honeydew deposits Spray horticultural oil or insecticidal soap when crawlers are active in spring and early summer; repeat after 2–3 weeks
How do I get rid of spider mites on thatch palm?
Stippled, pale frond surfaces with fine webbing on undersides; worst in hot, dry weather or low-humidity indoor settings Mist fronds to raise humidity; apply insecticidal soap or neem oil to leaf undersides every 5–7 days until population collapses