Pest identification
What's eating my curio rowleyanus?
Mealybugs
Signs: White cottony clusters at stem joints and between beads; beads shrivel and drop
Control: Dab individual colonies with a cotton swab dipped in 70% isopropyl alcohol; follow up with neem oil spray weekly for 3 weeks
Spider mites
Signs: Fine webbing between beads; beads develop pale stippling and feel dry even when watered
Control: Increase humidity, rinse stems gently under lukewarm water, then apply insecticidal soap or diluted neem oil every 5–7 days
Aphids
Signs: Soft green or black insects on new growth; sticky honeydew residue causes sooty mold on beads
Control: Blast off with a gentle water spray; treat with insecticidal soap solution; repeat every week until clear
Fungus gnats
Signs: Larvae feed on roots in soggy soil; adults swarm around the pot; plant wilts despite watering
Control: Allow soil to dry completely between waterings; use yellow sticky traps for adults; drench soil with Bacillus thuringiensis var. israelensis (Bti) for larvae
Keep curio rowleyanus pest-free
Healthy plants resist pests best. Get the basics right:
Curio Rowleyanus pests — FAQ
What is eating my curio rowleyanus?
String of Pearls is most troubled by mealybugs and aphids, which cluster in the bead-like stems. Spider mites attack during dry conditions. Overwatering invites fungus gnats. Inspect the delicate trailing strands regularly and treat early, as the thin stems offer little buffer against heavy infestations.
How do I get rid of mealybugs on curio rowleyanus?
White cottony clusters at stem joints and between beads; beads shrivel and drop Dab individual colonies with a cotton swab dipped in 70% isopropyl alcohol; follow up with neem oil spray weekly for 3 weeks
How do I get rid of spider mites on curio rowleyanus?
Fine webbing between beads; beads develop pale stippling and feel dry even when watered Increase humidity, rinse stems gently under lukewarm water, then apply insecticidal soap or diluted neem oil every 5–7 days
How do I get rid of aphids on curio rowleyanus?
Soft green or black insects on new growth; sticky honeydew residue causes sooty mold on beads Blast off with a gentle water spray; treat with insecticidal soap solution; repeat every week until clear
How do I get rid of fungus gnats on curio rowleyanus?
Larvae feed on roots in soggy soil; adults swarm around the pot; plant wilts despite watering Allow soil to dry completely between waterings; use yellow sticky traps for adults; drench soil with Bacillus thuringiensis var. israelensis (Bti) for larvae