Pest identification
What's eating my rex spider orchid?
Spider mites
Signs: Fine silver or bronze stippling across large leaf surfaces; webbing in heavy infestations; overall leaf dulling.
Control: Boost humidity, wipe foliage regularly, spray insecticidal soap or neem oil on both leaf sides every 5–7 days for three cycles.
Mealybugs
Signs: White powdery or fluffy clusters at pseudobulb bases, inside leaf sheaths, and on new growth; sticky residue.
Control: Dab each colony with isopropyl alcohol, then apply a systemic-safe neem oil spray weekly for four to six weeks.
Scale insects
Signs: Armored or soft scale bumps on pseudobulbs and leaf undersides; slow decline, yellowing, and honeydew.
Control: Manual removal with a soft brush and alcohol, followed by bi-weekly neem oil spray until no new scales appear.
Keep rex spider orchid pest-free
Healthy plants resist pests best. Get the basics right:
Rex Spider Orchid pests — FAQ
What is eating my rex spider orchid?
Rex Spider Orchid (Brassia 'Rex') is a vigorous hybrid but still subject to the standard indoor orchid pests — primarily spider mites and mealybugs. Its large leaves give mites plenty of feeding territory. Scale can persist on pseudobulbs between seasons. Early detection through regular inspection is the single most effective control strategy.
How do I get rid of spider mites on rex spider orchid?
Fine silver or bronze stippling across large leaf surfaces; webbing in heavy infestations; overall leaf dulling. Boost humidity, wipe foliage regularly, spray insecticidal soap or neem oil on both leaf sides every 5–7 days for three cycles.
How do I get rid of mealybugs on rex spider orchid?
White powdery or fluffy clusters at pseudobulb bases, inside leaf sheaths, and on new growth; sticky residue. Dab each colony with isopropyl alcohol, then apply a systemic-safe neem oil spray weekly for four to six weeks.
How do I get rid of scale insects on rex spider orchid?
Armored or soft scale bumps on pseudobulbs and leaf undersides; slow decline, yellowing, and honeydew. Manual removal with a soft brush and alcohol, followed by bi-weekly neem oil spray until no new scales appear.