Pest identification
What's eating my laelia purpurata?
Scale insects
Signs: Oval waxy bumps on pseudobulbs and leaf midribs; gradual yellowing and loss of flowering vigor.
Control: Scrape off with a soft cloth or toothbrush; treat with horticultural oil spray and repeat after 10–14 days.
Mealybugs
Signs: White cottony deposits in pseudobulb sheaths and root collar; honeydew encourages sooty mold.
Control: Dab with 70% isopropyl alcohol; drench roots and medium with diluted neem oil solution.
Spider mites
Signs: Pale stippling on leaf surfaces and fine webbing; worsens in low humidity or heated winter rooms.
Control: Raise local humidity, remove webbing, and apply insecticidal soap spray every seven days.
Keep laelia purpurata pest-free
Healthy plants resist pests best. Get the basics right:
Laelia purpurata pests — FAQ
What is eating my laelia purpurata?
Laelia purpurata, Brazil's national flower orchid and a large, showy species, is susceptible to the standard orchid pest trio indoors: scale insects, mealybugs, and spider mites. Its broad pseudobulbs and thick leaves are favored hiding spots for scale. Regular wipe-downs and monthly inspection are essential.
How do I get rid of scale insects on laelia purpurata?
Oval waxy bumps on pseudobulbs and leaf midribs; gradual yellowing and loss of flowering vigor. Scrape off with a soft cloth or toothbrush; treat with horticultural oil spray and repeat after 10–14 days.
How do I get rid of mealybugs on laelia purpurata?
White cottony deposits in pseudobulb sheaths and root collar; honeydew encourages sooty mold. Dab with 70% isopropyl alcohol; drench roots and medium with diluted neem oil solution.
How do I get rid of spider mites on laelia purpurata?
Pale stippling on leaf surfaces and fine webbing; worsens in low humidity or heated winter rooms. Raise local humidity, remove webbing, and apply insecticidal soap spray every seven days.