Pest identification
What's eating my cattleya walkeriana?
Scale insects
Signs: Hard brown or soft white waxy bumps cluster on pseudobulbs and undersides of leaves, weakening the plant.
Control: Scrape off manually with a soft toothbrush; apply horticultural oil or neem oil spray; repeat monthly.
Mealybugs
Signs: White cottony masses form under leaf sheaths at pseudobulb bases; sticky honeydew and yellowing result.
Control: Remove with alcohol swabs; drench bark mix with insecticidal soap solution and repeat fortnightly.
Spider mites
Signs: Silvery stippling on leaf upper surfaces; undersides may show faint webbing in hot, dry conditions.
Control: Raise humidity and wipe leaf surfaces; apply diluted neem oil or miticide, repeating every 5–7 days.
Thrips
Signs: Petals show silvery streaks or brown scarring; buds may distort or fail to open fully.
Control: Remove damaged flowers immediately; apply spinosad or neem oil spray; hang blue sticky traps nearby.
Keep cattleya walkeriana pest-free
Healthy plants resist pests best. Get the basics right:
Cattleya walkeriana pests — FAQ
What is eating my cattleya walkeriana?
Cattleya walkeriana, a fragrant Brazilian orchid grown indoors, is most threatened by scale insects on its pseudobulbs and mealybugs in leaf sheaths. Spider mites cause stippling on leaves in dry indoor conditions. Thrips occasionally damage the prized flowers. Regular inspection of pseudobulbs is key as pests hide under leaf bases.
How do I get rid of scale insects on cattleya walkeriana?
Hard brown or soft white waxy bumps cluster on pseudobulbs and undersides of leaves, weakening the plant. Scrape off manually with a soft toothbrush; apply horticultural oil or neem oil spray; repeat monthly.
How do I get rid of mealybugs on cattleya walkeriana?
White cottony masses form under leaf sheaths at pseudobulb bases; sticky honeydew and yellowing result. Remove with alcohol swabs; drench bark mix with insecticidal soap solution and repeat fortnightly.
How do I get rid of spider mites on cattleya walkeriana?
Silvery stippling on leaf upper surfaces; undersides may show faint webbing in hot, dry conditions. Raise humidity and wipe leaf surfaces; apply diluted neem oil or miticide, repeating every 5–7 days.
How do I get rid of thrips on cattleya walkeriana?
Petals show silvery streaks or brown scarring; buds may distort or fail to open fully. Remove damaged flowers immediately; apply spinosad or neem oil spray; hang blue sticky traps nearby.