Pest identification
What's eating my rhapis subtilis?
Spider mites
Signs: Fine webbing on leaf undersides; fronds turn yellow, bronze, or stippled
Control: Raise humidity, wipe fronds with a damp cloth, apply insecticidal soap or neem oil spray weekly until clear
Mealybugs
Signs: White cottony clusters at leaf axils and along stems; sticky honeydew residue
Control: Dab colonies with a cotton swab dipped in 70% isopropyl alcohol; follow up with neem oil spray
Scale insects
Signs: Brown or tan waxy bumps on stems and frond midribs; yellowing leaves and sooty mould
Control: Scrape off manually, treat with horticultural oil or systemic insecticide for heavy infestations
Fungus gnats
Signs: Larvae damage fine roots in waterlogged soil; adults are a nuisance near the plant
Control: Allow soil to dry between waterings; use yellow sticky traps; drench with Bacillus thuringiensis var. israelensis (Bti)
Keep rhapis subtilis pest-free
Healthy plants resist pests best. Get the basics right:
Rhapis Subtilis pests — FAQ
What is eating my rhapis subtilis?
Rhapis subtilis (Slender Lady Palm) is most threatened by spider mites indoors, especially in dry conditions. Mealybugs and scale insects also colonise the leaf bases and stems. Fungus gnats can infest soggy potting mix. Inspect regularly and treat early with insecticidal soap or neem oil to prevent rapid spread.
How do I get rid of spider mites on rhapis subtilis?
Fine webbing on leaf undersides; fronds turn yellow, bronze, or stippled Raise humidity, wipe fronds with a damp cloth, apply insecticidal soap or neem oil spray weekly until clear
How do I get rid of mealybugs on rhapis subtilis?
White cottony clusters at leaf axils and along stems; sticky honeydew residue Dab colonies with a cotton swab dipped in 70% isopropyl alcohol; follow up with neem oil spray
How do I get rid of scale insects on rhapis subtilis?
Brown or tan waxy bumps on stems and frond midribs; yellowing leaves and sooty mould Scrape off manually, treat with horticultural oil or systemic insecticide for heavy infestations
How do I get rid of fungus gnats on rhapis subtilis?
Larvae damage fine roots in waterlogged soil; adults are a nuisance near the plant Allow soil to dry between waterings; use yellow sticky traps; drench with Bacillus thuringiensis var. israelensis (Bti)