Pest identification
What's eating my showy corytoplectus?
Mealybugs
Signs: White cottony masses at stem nodes, leaf axils, and on the undersides of large leaves; leaves yellow and stems weaken under heavy infestations
Control: Remove with isopropyl alcohol swabs; spray the whole plant with neem oil solution, covering stems and leaf undersides; repeat every week for a month
Scale insects
Signs: Small brown or tan raised bumps on stems and leaf mid-ribs; yellowing leaves and sticky honeydew on lower foliage; sooty mold may follow
Control: Scrape off scales by hand with a soft brush; apply horticultural oil or neem oil spray; systemic insecticide for persistent or widespread infestations
Aphids
Signs: Clusters of small soft insects on tender shoot tips and under young leaves; sticky residue and leaf curl; may appear rapidly in spring or after fertilizing
Control: Blast off with a firm water spray; apply insecticidal soap or dilute neem oil, paying attention to growing tips; inspect weekly in warm months
Keep showy corytoplectus pest-free
Healthy plants resist pests best. Get the basics right:
Showy Corytoplectus pests — FAQ
What is eating my showy corytoplectus?
Corytoplectus speciosus is a large-leaved Neotropical gesneriad grown as a tropical houseplant or in warm conservatories. Mealybugs favor its lush, hairy foliage and stem joints. Scale insects and aphids can also appear, especially on new growth. High humidity and good airflow around this vigorous grower reduce most pest pressure.
How do I get rid of mealybugs on showy corytoplectus?
White cottony masses at stem nodes, leaf axils, and on the undersides of large leaves; leaves yellow and stems weaken under heavy infestations Remove with isopropyl alcohol swabs; spray the whole plant with neem oil solution, covering stems and leaf undersides; repeat every week for a month
How do I get rid of scale insects on showy corytoplectus?
Small brown or tan raised bumps on stems and leaf mid-ribs; yellowing leaves and sticky honeydew on lower foliage; sooty mold may follow Scrape off scales by hand with a soft brush; apply horticultural oil or neem oil spray; systemic insecticide for persistent or widespread infestations
How do I get rid of aphids on showy corytoplectus?
Clusters of small soft insects on tender shoot tips and under young leaves; sticky residue and leaf curl; may appear rapidly in spring or after fertilizing Blast off with a firm water spray; apply insecticidal soap or dilute neem oil, paying attention to growing tips; inspect weekly in warm months