Pest identification
What's eating my alocasia princeps?
Spider mites
Signs: Pale stippling and webbing on velvety leaf undersides; leaves lose lustre and may yellow prematurely
Control: Increase humidity to 60%+, mist the leaves, and spray insecticidal soap or neem oil weekly until resolved
Mealybugs
Signs: White waxy clusters in leaf joints and along petioles; honeydew leads to sooty mold
Control: Swab colonies with 70% isopropyl alcohol, then apply diluted neem oil every 7 days for 3 weeks
Scale insects
Signs: Tan or brown shell-like bumps on stems; yellowing leaves and reduced new growth
Control: Scrape off with a soft toothbrush and treat with horticultural oil; monitor monthly
Keep alocasia princeps pest-free
Healthy plants resist pests best. Get the basics right:
Alocasia Princeps pests — FAQ
What is eating my alocasia princeps?
Alocasia princeps — a striking, velvety-leaved tropical — is most vulnerable to spider mites, which colonize leaf undersides in dry indoor air. Mealybugs and scale insects also appear regularly. Keep this rarer species in high humidity, inspect undersides weekly, and act quickly with neem oil or insecticidal soap at any sign of pests.
How do I get rid of spider mites on alocasia princeps?
Pale stippling and webbing on velvety leaf undersides; leaves lose lustre and may yellow prematurely Increase humidity to 60%+, mist the leaves, and spray insecticidal soap or neem oil weekly until resolved
How do I get rid of mealybugs on alocasia princeps?
White waxy clusters in leaf joints and along petioles; honeydew leads to sooty mold Swab colonies with 70% isopropyl alcohol, then apply diluted neem oil every 7 days for 3 weeks
How do I get rid of scale insects on alocasia princeps?
Tan or brown shell-like bumps on stems; yellowing leaves and reduced new growth Scrape off with a soft toothbrush and treat with horticultural oil; monitor monthly