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Pest identification

What's eating my dressler's zamia?

Scale insects

Signs: Small hard bumps along stems and frond rachises; persistent feeding weakens slow-growing plants significantly.

Control: Remove physically, then apply horticultural oil or neem oil every 10 days; maintain good airflow to deter reinfestation.

Mealybugs

Signs: Fluffy white wax deposits in protected stem joints; weakens plants and leaves sticky residue.

Control: Treat with alcohol swabs and follow up with insecticidal soap or neem oil sprays weekly for several weeks.

Fungus gnats

Signs: Larvae damage fine feeder roots in overly moist soil, causing wilting in young or smaller specimens.

Control: Allow soil surface to dry out between waterings; use Bti drench or sticky yellow traps for adult control.

Keep dressler's zamia pest-free

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Dressler's Zamia pests — FAQ

What is eating my dressler's zamia?

Dressler's Zamia (Zamia dressleri), native to Panama, is susceptible to scale insects as its main pest when grown in tropical or indoor conditions. Mealybugs and fungus gnats are secondary concerns. This uncommon cycad benefits from regular inspection given its slow growth — any infestation left unchecked can cause long-lasting damage.

How do I get rid of scale insects on dressler's zamia?

Small hard bumps along stems and frond rachises; persistent feeding weakens slow-growing plants significantly. Remove physically, then apply horticultural oil or neem oil every 10 days; maintain good airflow to deter reinfestation.

How do I get rid of mealybugs on dressler's zamia?

Fluffy white wax deposits in protected stem joints; weakens plants and leaves sticky residue. Treat with alcohol swabs and follow up with insecticidal soap or neem oil sprays weekly for several weeks.

How do I get rid of fungus gnats on dressler's zamia?

Larvae damage fine feeder roots in overly moist soil, causing wilting in young or smaller specimens. Allow soil surface to dry out between waterings; use Bti drench or sticky yellow traps for adult control.