Pest identification
What's eating my alocasia plumbea?
Spider mites
Signs: Fine webbing on leaf undersides; stippled, bronzed or yellowing foliage; leaves look dusty and dull
Control: Raise humidity, spray forcefully with water to dislodge mites, then apply neem oil or insecticidal soap weekly for 3–4 weeks
Mealybugs
Signs: White cottony clusters in leaf axils and along petioles; sticky honeydew; stunted new growth
Control: Dab individual colonies with a rubbing-alcohol-soaked cotton swab; follow up with neem oil spray every 7–10 days
Scale insects
Signs: Brown or tan shell-like bumps on stems and leaf midribs; yellowing leaves; sticky honeydew coating
Control: Scrape off manually with a soft toothbrush, then treat with horticultural oil or insecticidal soap; repeat monthly
Thrips
Signs: Silver-streaked or bronze scarring on leaf surfaces; distorted unfurling leaves; tiny dark frass specks
Control: Remove heavily infested leaves, apply spinosad or insecticidal soap, and use yellow sticky traps to monitor adults
Keep alocasia plumbea pest-free
Healthy plants resist pests best. Get the basics right:
Alocasia Plumbea pests — FAQ
What is eating my alocasia plumbea?
Alocasia Plumbea is most threatened by spider mites, which thrive in the dry indoor air it often endures. Mealybugs, scale insects, and thrips also target its large metallic leaves. Inspect leaf undersides weekly, keep humidity high, and isolate any affected plant immediately to stop the spread.
How do I get rid of spider mites on alocasia plumbea?
Fine webbing on leaf undersides; stippled, bronzed or yellowing foliage; leaves look dusty and dull Raise humidity, spray forcefully with water to dislodge mites, then apply neem oil or insecticidal soap weekly for 3–4 weeks
How do I get rid of mealybugs on alocasia plumbea?
White cottony clusters in leaf axils and along petioles; sticky honeydew; stunted new growth Dab individual colonies with a rubbing-alcohol-soaked cotton swab; follow up with neem oil spray every 7–10 days
How do I get rid of scale insects on alocasia plumbea?
Brown or tan shell-like bumps on stems and leaf midribs; yellowing leaves; sticky honeydew coating Scrape off manually with a soft toothbrush, then treat with horticultural oil or insecticidal soap; repeat monthly
How do I get rid of thrips on alocasia plumbea?
Silver-streaked or bronze scarring on leaf surfaces; distorted unfurling leaves; tiny dark frass specks Remove heavily infested leaves, apply spinosad or insecticidal soap, and use yellow sticky traps to monitor adults