Pest identification
What's eating my sinningia 'prudence risley'?
Cyclamen mite
Signs: New leaves emerge stunted, twisted, and thickened; buds fail to open or produce misshapen flowers; growing tip looks shriveled
Control: Discard heavily infested plants; treat with a miticide (abamectin) or immerse the whole plant in hot water at 43 °C (110 °F) for 15 minutes; keep new plants quarantined
Mealybug
Signs: White cottony fluff in leaf axils, at stem joints, and around the tuber crown; leaves yellow and plant weakens
Control: Dab colonies with a cotton swab dipped in 70% isopropyl alcohol; follow up with neem oil spray weekly for 3–4 weeks; check the tuber surface when repotting
Thrips
Signs: Silvery streaks or flecking on petals and leaves; tiny dark frass dots; blooms look scarred or fail to fully open
Control: Remove and dispose of affected flowers; spray with insecticidal soap or spinosad; repeat every 5–7 days for three cycles; keep away from infested plants
Aphid
Signs: Soft-bodied insects clustered on new shoots; leaves curl and distort; sticky honeydew residue
Control: Blast off with a gentle water spray; apply insecticidal soap to undersides of leaves; repeat weekly until clear
Keep sinningia 'prudence risley' pest-free
Healthy plants resist pests best. Get the basics right:
Sinningia 'Prudence Risley' pests — FAQ
What is eating my sinningia 'prudence risley'?
Sinningia 'Prudence Risley' is an indoor flowering gesneriad most threatened by cyclamen mites, which distort its buds and leaves. Mealybugs hide in leaf axils and at the tuber crown, while thrips scar petals and thrips. Aphids cluster on soft new growth. Inspect new growth closely — cyclamen mites are nearly invisible to the naked eye.
How do I get rid of cyclamen mite on sinningia 'prudence risley'?
New leaves emerge stunted, twisted, and thickened; buds fail to open or produce misshapen flowers; growing tip looks shriveled Discard heavily infested plants; treat with a miticide (abamectin) or immerse the whole plant in hot water at 43 °C (110 °F) for 15 minutes; keep new plants quarantined
How do I get rid of mealybug on sinningia 'prudence risley'?
White cottony fluff in leaf axils, at stem joints, and around the tuber crown; leaves yellow and plant weakens Dab colonies with a cotton swab dipped in 70% isopropyl alcohol; follow up with neem oil spray weekly for 3–4 weeks; check the tuber surface when repotting
How do I get rid of thrips on sinningia 'prudence risley'?
Silvery streaks or flecking on petals and leaves; tiny dark frass dots; blooms look scarred or fail to fully open Remove and dispose of affected flowers; spray with insecticidal soap or spinosad; repeat every 5–7 days for three cycles; keep away from infested plants
How do I get rid of aphid on sinningia 'prudence risley'?
Soft-bodied insects clustered on new shoots; leaves curl and distort; sticky honeydew residue Blast off with a gentle water spray; apply insecticidal soap to undersides of leaves; repeat weekly until clear