Pest identification
What's eating my hoya coriacea?
Mealybugs
Signs: White woolly masses at axils and stem joints; honeydew and sooty mold; plants weaken over time
Control: Dab colonies with isopropyl alcohol; spray entire plant with neem oil; check every week for a month
Scale insects
Signs: Brown or tan waxy lumps along stems and mid-rib; yellowing of large leaves and sticky surfaces
Control: Scrub off with a soft brush and insecticidal soap; apply horticultural oil spray and repeat every 10–14 days
Spider mites
Signs: Pale speckling on leaf surface; silken webbing under leaves; leaves lose luster and may yellow
Control: Wipe leaf undersides with damp cloth; apply insecticidal soap; raise humidity and keep away from heat sources
Keep hoya coriacea pest-free
Healthy plants resist pests best. Get the basics right:
Hoya Coriacea pests — FAQ
What is eating my hoya coriacea?
Hoya coriacea is a large-leaved, robust hoya grown as an indoor specimen. Its thick, leathery leaves resist some damage, but mealybugs still colonize stem joints readily. Spider mites can settle on leaf undersides. Scale insects are a notable risk on the substantial woody stems of mature plants.
How do I get rid of mealybugs on hoya coriacea?
White woolly masses at axils and stem joints; honeydew and sooty mold; plants weaken over time Dab colonies with isopropyl alcohol; spray entire plant with neem oil; check every week for a month
How do I get rid of scale insects on hoya coriacea?
Brown or tan waxy lumps along stems and mid-rib; yellowing of large leaves and sticky surfaces Scrub off with a soft brush and insecticidal soap; apply horticultural oil spray and repeat every 10–14 days
How do I get rid of spider mites on hoya coriacea?
Pale speckling on leaf surface; silken webbing under leaves; leaves lose luster and may yellow Wipe leaf undersides with damp cloth; apply insecticidal soap; raise humidity and keep away from heat sources