Pest identification
What's eating my string bean hoya?
Mealybugs
Signs: White waxy fluff at the junction of long leaves and stems; honeydew drips below; yellowing leaves and slowed growth
Control: Dab each colony with a 70% isopropyl alcohol swab; follow with weekly neem oil sprays covering the full length of each leaf and all stems
Spider mites
Signs: Pale stippling along the narrow leaf surface; webbing on undersides; leaves may yellow or drop in heavy infestations
Control: Raise humidity; wipe both sides of each leaf with a damp cloth; spray with insecticidal soap every 5–7 days
Aphids
Signs: Small soft insects clustered at new shoot tips; distorted emerging leaves and sticky deposits
Control: Remove by hand or spray off with water; apply insecticidal soap, reapplying every few days until eliminated
Keep string bean hoya pest-free
Healthy plants resist pests best. Get the basics right:
String Bean Hoya pests — FAQ
What is eating my string bean hoya?
String bean Hoya (Hoya shepherdii) bears long, narrow, pendulous leaves that can partially conceal pests. Mealybugs are the primary concern and often cluster at the base of the strap-like leaves. Spider mites thrive on the undersides in dry air. Aphids occasionally target new growth clusters at stem tips.
How do I get rid of mealybugs on string bean hoya?
White waxy fluff at the junction of long leaves and stems; honeydew drips below; yellowing leaves and slowed growth Dab each colony with a 70% isopropyl alcohol swab; follow with weekly neem oil sprays covering the full length of each leaf and all stems
How do I get rid of spider mites on string bean hoya?
Pale stippling along the narrow leaf surface; webbing on undersides; leaves may yellow or drop in heavy infestations Raise humidity; wipe both sides of each leaf with a damp cloth; spray with insecticidal soap every 5–7 days
How do I get rid of aphids on string bean hoya?
Small soft insects clustered at new shoot tips; distorted emerging leaves and sticky deposits Remove by hand or spray off with water; apply insecticidal soap, reapplying every few days until eliminated