Pest identification
What's eating my congo cycad?
Armored scale insects (Pseudaulacaspis / Aonidiella spp.)
Signs: White-grey encrustations on fronds and caudex; heavy infestations cause yellowing, wilting, and eventual frond death
Control: Rinse plant thoroughly; apply horticultural oil spray weekly for 4 weeks; systemic soil drench for large or heavily infested specimens
Mealybugs (Pseudococcus longispinus)
Signs: Cottony white wax deposits in the crown and along midribs; honeydew and sooty mold; suppressed new growth
Control: Remove manually with alcohol-dipped cotton; spray neem oil or insecticidal soap every 10 days until clear
Spider mites (Tetranychus urticae)
Signs: Fine stippling and bronzing on leaflets; fine webbing on undersides; damage intensifies in hot, dry indoor conditions
Control: Raise humidity and mist foliage; spray with neem oil or miticide spray; repeat weekly for 3 weeks
Keep congo cycad pest-free
Healthy plants resist pests best. Get the basics right:
Congo Cycad pests — FAQ
What is eating my congo cycad?
Congo Cycad (Encephalartos laurentianus) faces armored scale insects as the primary pest threat in cultivation, with mealybugs common in warm, sheltered greenhouse environments. Spider mites can flare in hot, dry conditions. Seed weevils may attack cones in outdoor conservation plantings. Consistent monitoring and horticultural oil applications keep these slow-growing cycads healthy.
How do I get rid of armored scale insects (pseudaulacaspis / aonidiella spp.) on congo cycad?
White-grey encrustations on fronds and caudex; heavy infestations cause yellowing, wilting, and eventual frond death Rinse plant thoroughly; apply horticultural oil spray weekly for 4 weeks; systemic soil drench for large or heavily infested specimens
How do I get rid of mealybugs (pseudococcus longispinus) on congo cycad?
Cottony white wax deposits in the crown and along midribs; honeydew and sooty mold; suppressed new growth Remove manually with alcohol-dipped cotton; spray neem oil or insecticidal soap every 10 days until clear
How do I get rid of spider mites (tetranychus urticae) on congo cycad?
Fine stippling and bronzing on leaflets; fine webbing on undersides; damage intensifies in hot, dry indoor conditions Raise humidity and mist foliage; spray with neem oil or miticide spray; repeat weekly for 3 weeks