Pest identification
What's eating my marie's davallia?
Scale insects
Signs: Hard brown or gray bumps embedded in rhizome fur and on frond stems; yellowing fronds; sticky honeydew
Control: Gently scrub rhizomes with a soft brush and rubbing alcohol; apply horticultural oil spray, ensuring coverage of the rhizome surface
Mealybugs
Signs: Cottony white colonies deep in rhizome fur and at frond bases; honeydew and sooty mold; stunted growth
Control: Use an alcohol-soaked cotton swab to treat visible colonies; spray diluted neem oil over rhizomes and foliage every 7–10 days
Spider mites
Signs: Webbing and yellow or bronze stippling on frond undersides, most common in dry heated rooms
Control: Boost humidity with a pebble tray or humidifier; rinse fronds with water; apply insecticidal soap spray weekly
Keep marie's davallia pest-free
Healthy plants resist pests best. Get the basics right:
Marie's Davallia pests — FAQ
What is eating my marie's davallia?
Marie's Davallia is a compact indoor fern with furry rhizomes most at risk from scale insects and mealybugs, which shelter in the woolly rhizome covering. Spider mites attack fronds when indoor air is too dry. Regular inspection of rhizomes and frond undersides is essential, as pests hide well in the fur.
How do I get rid of scale insects on marie's davallia?
Hard brown or gray bumps embedded in rhizome fur and on frond stems; yellowing fronds; sticky honeydew Gently scrub rhizomes with a soft brush and rubbing alcohol; apply horticultural oil spray, ensuring coverage of the rhizome surface
How do I get rid of mealybugs on marie's davallia?
Cottony white colonies deep in rhizome fur and at frond bases; honeydew and sooty mold; stunted growth Use an alcohol-soaked cotton swab to treat visible colonies; spray diluted neem oil over rhizomes and foliage every 7–10 days
How do I get rid of spider mites on marie's davallia?
Webbing and yellow or bronze stippling on frond undersides, most common in dry heated rooms Boost humidity with a pebble tray or humidifier; rinse fronds with water; apply insecticidal soap spray weekly