Pest identification
What's eating my leslie bird's nest fern?
Scale insects
Signs: Brown or tan bumps fixed to midribs and stems; sticky honeydew residue; yellowing fronds
Control: Scrape off with a soft toothbrush; treat with neem oil or 70% isopropyl alcohol on a cotton swab; repeat weekly for a month
Mealybugs
Signs: White cottony clusters in crown and leaf axils; frond distortion and yellowing
Control: Dab colonies with isopropyl alcohol; apply insecticidal soap spray; isolate plant and repeat every 5–7 days
Spider mites
Signs: Fine webbing on fronds; pale stippling on frond surfaces; dry, crispy edges in low humidity
Control: Increase humidity; wipe fronds with damp cloth; apply insecticidal soap or neem oil spray, repeating weekly
Fungus gnats
Signs: Larvae chew fine roots in soggy potting mix; adults are a nuisance; seedling or young plant wilting
Control: Allow top inch of soil to dry between waterings; use sticky yellow traps for adults; apply Bacillus thuringiensis israelensis (Bti) drench for larvae
Keep leslie bird's nest fern pest-free
Healthy plants resist pests best. Get the basics right:
Leslie Bird's Nest Fern pests — FAQ
What is eating my leslie bird's nest fern?
Leslie Bird's Nest Fern is most commonly attacked by scale insects and mealybugs, which hide along the central rosette and frond midribs. Spider mites can strike in low humidity, and fungus gnats breed in consistently wet potting mix. Good air circulation, correct watering, and prompt isolation of new plants are your best defenses.
How do I get rid of scale insects on leslie bird's nest fern?
Brown or tan bumps fixed to midribs and stems; sticky honeydew residue; yellowing fronds Scrape off with a soft toothbrush; treat with neem oil or 70% isopropyl alcohol on a cotton swab; repeat weekly for a month
How do I get rid of mealybugs on leslie bird's nest fern?
White cottony clusters in crown and leaf axils; frond distortion and yellowing Dab colonies with isopropyl alcohol; apply insecticidal soap spray; isolate plant and repeat every 5–7 days
How do I get rid of spider mites on leslie bird's nest fern?
Fine webbing on fronds; pale stippling on frond surfaces; dry, crispy edges in low humidity Increase humidity; wipe fronds with damp cloth; apply insecticidal soap or neem oil spray, repeating weekly
How do I get rid of fungus gnats on leslie bird's nest fern?
Larvae chew fine roots in soggy potting mix; adults are a nuisance; seedling or young plant wilting Allow top inch of soil to dry between waterings; use sticky yellow traps for adults; apply Bacillus thuringiensis israelensis (Bti) drench for larvae