Pest identification
What's eating my arching spider orchid?
Spider mites
Signs: Pale speckling and stippling on leaf surfaces; fine webbing visible on undersides; yellowing in severe cases
Control: Boost humidity above 55%; rinse leaves regularly; treat with insecticidal soap or miticide weekly for 3–4 treatments
Scale insects
Signs: Hard tan or brown bumps on pseudobulbs and leaves; sticky honeydew on surrounding surfaces
Control: Dab with alcohol, then apply horticultural oil spray; repeat every 2 weeks for 6 weeks
Mealybugs
Signs: White fluffy deposits between pseudobulbs and at rhizome; weakened or discolored new growth
Control: Manual removal with alcohol swab; neem oil spray follow-up; isolate plant from collection
Keep arching spider orchid pest-free
Healthy plants resist pests best. Get the basics right:
- What eats arching spider orchid — the species this cultivar belongs to
- What eats arching spider orchid — our other guide for the same plant
- What's wrong with my plant? — the diagnosis apps compared
- Common arching spider orchid problems & fixes
- Arching Spider Orchid watering schedule
- Arching Spider Orchid light requirements
- Full arching spider orchid care guide
Arching Spider Orchid pests — FAQ
What is eating my arching spider orchid?
Brassia arcuigera is an indoor orchid with long, arching sepals that give it a striking appearance but no pest resistance. Spider mites and scale insects are the primary threats. As with all Brassia, low humidity dramatically increases spider mite risk. Regular misting and monthly checks of pseudobulbs and leaf undersides are the best defense.
How do I get rid of spider mites on arching spider orchid?
Pale speckling and stippling on leaf surfaces; fine webbing visible on undersides; yellowing in severe cases Boost humidity above 55%; rinse leaves regularly; treat with insecticidal soap or miticide weekly for 3–4 treatments
How do I get rid of scale insects on arching spider orchid?
Hard tan or brown bumps on pseudobulbs and leaves; sticky honeydew on surrounding surfaces Dab with alcohol, then apply horticultural oil spray; repeat every 2 weeks for 6 weeks
How do I get rid of mealybugs on arching spider orchid?
White fluffy deposits between pseudobulbs and at rhizome; weakened or discolored new growth Manual removal with alcohol swab; neem oil spray follow-up; isolate plant from collection