Pest identification
What's eating my philodendron longilobatum?
Mealybugs
Signs: White cottony deposits at leaf nodes and undersides; honeydew and sooty mold
Control: Dab with isopropyl alcohol; follow with neem oil drenches and foliar sprays
Spider mites
Signs: Pale stippling and bronzing of leaves; webbing visible under magnification
Control: Shower leaves to dislodge mites; apply insecticidal soap or neem oil every 5–7 days
Fungus gnats
Signs: Larvae damage roots in overly moist soil; adult gnats hover around the pot
Control: Allow soil surface to dry between waterings; use sticky yellow traps and a BTi (Bacillus thuringiensis israelensis) drench
Keep philodendron longilobatum pest-free
Healthy plants resist pests best. Get the basics right:
Philodendron Longilobatum pests — FAQ
What is eating my philodendron longilobatum?
Philodendron Longilobatum is a rare aroid houseplant susceptible to the same indoor pests as other philodendrons. Mealybugs and spider mites are the primary threats, especially when humidity drops. Fungus gnats can also appear if the soil stays too wet. Early isolation and neem oil treatment are the most effective response.
How do I get rid of mealybugs on philodendron longilobatum?
White cottony deposits at leaf nodes and undersides; honeydew and sooty mold Dab with isopropyl alcohol; follow with neem oil drenches and foliar sprays
How do I get rid of spider mites on philodendron longilobatum?
Pale stippling and bronzing of leaves; webbing visible under magnification Shower leaves to dislodge mites; apply insecticidal soap or neem oil every 5–7 days
How do I get rid of fungus gnats on philodendron longilobatum?
Larvae damage roots in overly moist soil; adult gnats hover around the pot Allow soil surface to dry between waterings; use sticky yellow traps and a BTi (Bacillus thuringiensis israelensis) drench