Pest identification
What's eating my kirk's huernia?
Mealybugs
Signs: White cottony clusters at stem joints and bases of ribs; stems yellow and collapse in severe cases
Control: Dab all visible bugs with isopropyl alcohol; spray with neem oil; isolate plant and recheck every 7 days
Root mealybugs
Signs: Gradual stem deflation and failure to produce new growth; waxy white powder found on roots when unpotted
Control: Full unpot, root rinse with insecticidal soap, allow to dry for 2–3 days, repot in fresh gritty mineral compost
Spider mites
Signs: Pale stippling and slight bronzing on stem surfaces; fine silk webbing in very dry indoor conditions
Control: Wipe stems with a damp cloth, apply neem oil or insecticidal soap spray, improve ventilation and air circulation
Keep kirk's huernia pest-free
Healthy plants resist pests best. Get the basics right:
Kirk's Huernia pests — FAQ
What is eating my kirk's huernia?
Kirk's Huernia is a compact ribbed stapeliad grown as a houseplant, most threatened by mealybugs hiding between its angled stems and root mealybugs attacking the root zone. Spider mites can colonize stems in hot dry indoor air. Carrion-visiting flies around flowers are normal pollination behaviour, not infestation.
How do I get rid of mealybugs on kirk's huernia?
White cottony clusters at stem joints and bases of ribs; stems yellow and collapse in severe cases Dab all visible bugs with isopropyl alcohol; spray with neem oil; isolate plant and recheck every 7 days
How do I get rid of root mealybugs on kirk's huernia?
Gradual stem deflation and failure to produce new growth; waxy white powder found on roots when unpotted Full unpot, root rinse with insecticidal soap, allow to dry for 2–3 days, repot in fresh gritty mineral compost
How do I get rid of spider mites on kirk's huernia?
Pale stippling and slight bronzing on stem surfaces; fine silk webbing in very dry indoor conditions Wipe stems with a damp cloth, apply neem oil or insecticidal soap spray, improve ventilation and air circulation