Pest identification
What's eating my begonia imperialis?
Mealybugs
Signs: Cottony wax hidden in the rosette crown and at leaf bases; stunted, yellowing leaves
Control: Use an alcohol swab to remove colonies; follow with neem oil spray; ensure good air circulation around the plant
Spider mites
Signs: Pale stippling on velvety leaf surfaces; webbing at growing tips
Control: Raise humidity; rinse gently with water; apply insecticidal soap or neem oil every 5–7 days
Fungus gnats
Signs: Larvae in moist humus-rich soil damage fine roots; adults swarm when disturbed
Control: Let soil surface dry slightly before rewatering; apply Bti drench; set yellow sticky traps
Keep begonia imperialis pest-free
Healthy plants resist pests best. Get the basics right:
Begonia imperialis pests — FAQ
What is eating my begonia imperialis?
Begonia imperialis, a creeping terrarium-friendly houseplant with velvety leaves, is susceptible to mealybugs tucked in its dense rosette, spider mites in dry air, and fungus gnats in the moist, humus-rich soil it prefers. Its low, crowded growth habit makes early detection harder — inspect leaf undersides and soil surface closely at each watering.
How do I get rid of mealybugs on begonia imperialis?
Cottony wax hidden in the rosette crown and at leaf bases; stunted, yellowing leaves Use an alcohol swab to remove colonies; follow with neem oil spray; ensure good air circulation around the plant
How do I get rid of spider mites on begonia imperialis?
Pale stippling on velvety leaf surfaces; webbing at growing tips Raise humidity; rinse gently with water; apply insecticidal soap or neem oil every 5–7 days
How do I get rid of fungus gnats on begonia imperialis?
Larvae in moist humus-rich soil damage fine roots; adults swarm when disturbed Let soil surface dry slightly before rewatering; apply Bti drench; set yellow sticky traps