Pest identification
What's eating my pemba palm?
Scale insects
Signs: Bumpy encrustations on petioles and the trunk base; fronds yellow and growth stalls; honeydew attracts ants
Control: Apply horticultural oil spray; scrub off visible scales with a soft brush; repeat every 14 days for 2–3 cycles
Spider mites
Signs: Pale stippling on leaflets; webbing on frond undersides during dry periods; fronds look dusty and dull
Control: Improve irrigation and local humidity; spray neem oil or insecticidal soap covering all frond surfaces
Mealybugs
Signs: White cottony clusters in the crown and at frond bases; sap loss weakens new spear leaves
Control: Spot-treat with isopropyl alcohol; follow with a neem oil drench of the crown; repeat weekly
Keep pemba palm pest-free
Healthy plants resist pests best. Get the basics right:
Pemba Palm pests — FAQ
What is eating my pemba palm?
Pemba Palm (Dypsis pembana), a rare tropical species, faces threats typical of outdoor Dypsis palms: scale insects and spider mites are the most likely pests, with palm aphids possible on new growth. As a specimen plant in tropical or subtropical gardens, mealybugs may also establish in the crown.
How do I get rid of scale insects on pemba palm?
Bumpy encrustations on petioles and the trunk base; fronds yellow and growth stalls; honeydew attracts ants Apply horticultural oil spray; scrub off visible scales with a soft brush; repeat every 14 days for 2–3 cycles
How do I get rid of spider mites on pemba palm?
Pale stippling on leaflets; webbing on frond undersides during dry periods; fronds look dusty and dull Improve irrigation and local humidity; spray neem oil or insecticidal soap covering all frond surfaces
How do I get rid of mealybugs on pemba palm?
White cottony clusters in the crown and at frond bases; sap loss weakens new spear leaves Spot-treat with isopropyl alcohol; follow with a neem oil drench of the crown; repeat weekly