Pest identification
What's eating my fishbone fern?
Spider mites
Signs: Fine webbing across fronds; silvery or bronze stippling; fronds dry out and drop prematurely
Control: Mist fronds regularly to raise humidity; blast with a strong water spray; apply insecticidal soap or neem oil every 5–7 days for 3 cycles
Mealybugs
Signs: White waxy wool in frond axils and along runners; sticky residue; distorted new fronds
Control: Remove with isopropyl alcohol on a cotton swab; spray the whole plant with diluted neem oil; isolate from other houseplants
Fungus gnats
Signs: Adult gnats hover around soil; larvae damage fine roots, leading to poor growth and wilting
Control: Let the top layer of soil dry before re-watering; set yellow sticky traps; use a Bti drench to kill larvae in the growing medium
Keep fishbone fern pest-free
Healthy plants resist pests best. Get the basics right:
Fishbone Fern pests — FAQ
What is eating my fishbone fern?
Fishbone Fern is most commonly attacked by spider mites in dry indoor conditions, producing webbing and pale, stippled fronds. Mealybugs hide in the dense frond clusters, and fungus gnats breed in perpetually moist soil. Keeping humidity high and avoiding soggy compost are the key preventive steps indoors.
How do I get rid of spider mites on fishbone fern?
Fine webbing across fronds; silvery or bronze stippling; fronds dry out and drop prematurely Mist fronds regularly to raise humidity; blast with a strong water spray; apply insecticidal soap or neem oil every 5–7 days for 3 cycles
How do I get rid of mealybugs on fishbone fern?
White waxy wool in frond axils and along runners; sticky residue; distorted new fronds Remove with isopropyl alcohol on a cotton swab; spray the whole plant with diluted neem oil; isolate from other houseplants
How do I get rid of fungus gnats on fishbone fern?
Adult gnats hover around soil; larvae damage fine roots, leading to poor growth and wilting Let the top layer of soil dry before re-watering; set yellow sticky traps; use a Bti drench to kill larvae in the growing medium