Pest identification
What's eating my stromanthe triostar?
Spider mites
Signs: Fine webbing on leaf undersides; leaves develop pale stippling and lose vibrancy
Control: Raise humidity, mist regularly, and spray with neem oil or insecticidal soap; repeat weekly for 3–4 weeks
Mealybugs
Signs: White cottony clusters in leaf axils and along stems; sticky honeydew residue
Control: Dab individual bugs with a cotton swab dipped in 70% isopropyl alcohol; follow up with neem oil spray
Scale insects
Signs: Brown or tan bumps on stems; yellowing leaves and stunted growth
Control: Scrape off with a soft toothbrush, then treat with horticultural oil or insecticidal soap
Keep stromanthe triostar pest-free
Healthy plants resist pests best. Get the basics right:
- What eats stromanthe sanguinea — the species this cultivar belongs to
- What eats stromanthe triostar — our other guide for the same plant
- PictureThis alternatives — 7 plant ID apps compared
- Common stromanthe triostar problems & fixes
- Stromanthe Triostar watering schedule
- Stromanthe Triostar light requirements
- Full stromanthe triostar care guide
Stromanthe Triostar pests — FAQ
What is eating my stromanthe triostar?
Stromanthe Triostar is most threatened by spider mites, which thrive in the dry indoor air this tropical dislikes. Mealybugs and scale insects also attack it, hiding in leaf axils and along stems. Check the undersides of leaves regularly — the pink and white variegation can mask early infestations.
How do I get rid of spider mites on stromanthe triostar?
Fine webbing on leaf undersides; leaves develop pale stippling and lose vibrancy Raise humidity, mist regularly, and spray with neem oil or insecticidal soap; repeat weekly for 3–4 weeks
How do I get rid of mealybugs on stromanthe triostar?
White cottony clusters in leaf axils and along stems; sticky honeydew residue Dab individual bugs with a cotton swab dipped in 70% isopropyl alcohol; follow up with neem oil spray
How do I get rid of scale insects on stromanthe triostar?
Brown or tan bumps on stems; yellowing leaves and stunted growth Scrape off with a soft toothbrush, then treat with horticultural oil or insecticidal soap