Pest identification
What's eating my copiapoa cinerea?
Scale insects
Signs: Hard brown or grey bumps on ribs; waxy residue dulling the body's distinctive bloom
Control: Manually remove with a brush dipped in rubbing alcohol; apply systemic neem oil or horticultural oil spray
Root mealybugs
Signs: Slow growth arrests entirely; white woolly colonies at the root zone when unpotted
Control: Bare-root, treat with imidacloprid drench, allow to dry before repotting in sterilised mineral mix
Spider mites
Signs: Pale stippling on the outer body; fine webbing obscuring the decorative waxy coating
Control: Wipe with isopropyl alcohol; avoid misting; treat with miticide in severe cases
Keep copiapoa cinerea pest-free
Healthy plants resist pests best. Get the basics right:
Copiapoa cinerea pests — FAQ
What is eating my copiapoa cinerea?
Copiapoa cinerea, a prized Chilean desert cactus, is most commonly attacked by scale insects and root mealybugs indoors. Spider mites can disfigure its distinctive grey-white waxy body. Its slow growth means any infestation causes lasting setback. Minimal watering, good airflow, and early intervention are essential.
How do I get rid of scale insects on copiapoa cinerea?
Hard brown or grey bumps on ribs; waxy residue dulling the body's distinctive bloom Manually remove with a brush dipped in rubbing alcohol; apply systemic neem oil or horticultural oil spray
How do I get rid of root mealybugs on copiapoa cinerea?
Slow growth arrests entirely; white woolly colonies at the root zone when unpotted Bare-root, treat with imidacloprid drench, allow to dry before repotting in sterilised mineral mix
How do I get rid of spider mites on copiapoa cinerea?
Pale stippling on the outer body; fine webbing obscuring the decorative waxy coating Wipe with isopropyl alcohol; avoid misting; treat with miticide in severe cases