Pest identification
What's eating my alocasia portodora?
Spider mites
Signs: Bronze or silver stippling across the upper leaf surface; webbing on undersides in severe cases; leaves yellow and drop.
Control: Mist foliage frequently, wipe leaves with a damp cloth, then treat with neem oil or miticide spray every 7 days.
Scale insects
Signs: Brown or tan waxy bumps on stems and leaf undersides; sticky honeydew drips onto lower leaves.
Control: Scrape off with a soft toothbrush dipped in soapy water; apply horticultural oil spray and repeat after 2 weeks.
Mealybugs
Signs: Cottony white clusters at stem bases and where leaves meet the petiole; new leaves emerge stunted.
Control: Dab with isopropyl alcohol, remove mechanically, then treat with systemic neem soil drench for persistent root mealybugs.
Thrips
Signs: Silver-streaked or bronzed patches on upper leaf surface; tiny dark frass spots visible; leaf edges may curl.
Control: Use sticky yellow traps to monitor; apply spinosad or insecticidal soap spray to all leaf surfaces every 5 days.
Keep alocasia portodora pest-free
Healthy plants resist pests best. Get the basics right:
Alocasia Portodora pests — FAQ
What is eating my alocasia portodora?
Alocasia Portodora's large paddle-like leaves are prime targets for spider mites and scale insects indoors. Mealybugs colonize stem bases, and thrips streak the leaf surface. Outdoors in warm climates, aphids and vine weevil grubs can also cause damage. Spider mites are the most frequent and destructive pest in home and conservatory settings.
How do I get rid of spider mites on alocasia portodora?
Bronze or silver stippling across the upper leaf surface; webbing on undersides in severe cases; leaves yellow and drop. Mist foliage frequently, wipe leaves with a damp cloth, then treat with neem oil or miticide spray every 7 days.
How do I get rid of scale insects on alocasia portodora?
Brown or tan waxy bumps on stems and leaf undersides; sticky honeydew drips onto lower leaves. Scrape off with a soft toothbrush dipped in soapy water; apply horticultural oil spray and repeat after 2 weeks.
How do I get rid of mealybugs on alocasia portodora?
Cottony white clusters at stem bases and where leaves meet the petiole; new leaves emerge stunted. Dab with isopropyl alcohol, remove mechanically, then treat with systemic neem soil drench for persistent root mealybugs.
How do I get rid of thrips on alocasia portodora?
Silver-streaked or bronzed patches on upper leaf surface; tiny dark frass spots visible; leaf edges may curl. Use sticky yellow traps to monitor; apply spinosad or insecticidal soap spray to all leaf surfaces every 5 days.