Pest identification
What's eating my hoya cagayanensis?
Mealybugs
Signs: White cottony deposits tucked at leaf axils and nodes; honeydew accumulation and sooty mould are signs of a growing colony.
Control: Remove manually with an alcohol swab, then spray the whole plant with insecticidal soap or neem oil weekly for 3–4 weeks.
Spider mites
Signs: Bronze stippling on upper leaf surface and webbing below; growth may stall and leaves look dusty.
Control: Mist leaves to boost humidity, rinse the plant, then apply diluted neem oil or insecticidal soap every 5–7 days.
Fungus gnats
Signs: Larvae chew fine roots in damp soil; adults visible as small dark flies hovering at soil level.
Control: Allow the top inch of soil to dry before watering; use yellow sticky traps for adults and a BTi soil drench for larvae.
Keep hoya cagayanensis pest-free
Healthy plants resist pests best. Get the basics right:
Hoya Cagayanensis pests — FAQ
What is eating my hoya cagayanensis?
Hoya cagayanensis is a Philippine species valued by collectors and grown indoors. Like all hoyas, mealybugs are the pest to watch most closely, often lurking at stem joints. Spider mites become active when indoor heating drops humidity. Check the plant carefully at every watering and quarantine new arrivals before placing them nearby.
How do I get rid of mealybugs on hoya cagayanensis?
White cottony deposits tucked at leaf axils and nodes; honeydew accumulation and sooty mould are signs of a growing colony. Remove manually with an alcohol swab, then spray the whole plant with insecticidal soap or neem oil weekly for 3–4 weeks.
How do I get rid of spider mites on hoya cagayanensis?
Bronze stippling on upper leaf surface and webbing below; growth may stall and leaves look dusty. Mist leaves to boost humidity, rinse the plant, then apply diluted neem oil or insecticidal soap every 5–7 days.
How do I get rid of fungus gnats on hoya cagayanensis?
Larvae chew fine roots in damp soil; adults visible as small dark flies hovering at soil level. Allow the top inch of soil to dry before watering; use yellow sticky traps for adults and a BTi soil drench for larvae.