Pest identification
What's eating my begonia hatacoa?
Spider mites (Tetranychus urticae)
Signs: Pale stippling and bronzing of leaves; fine silk webbing on undersides; accelerated leaf drop in dry air
Control: Raise humidity to 60%+ by grouping plants or using a humidifier; spray neem oil to undersides weekly; introduce Phytoseiulus persimilis predatory mites
Mealybugs (Pseudococcus spp.)
Signs: White cottony deposits at stem joints and petiole bases; weakened growth; sticky honeydew residue
Control: Spot-treat with isopropyl alcohol swabs; follow with insecticidal soap spray over the whole plant; isolate and repeat every seven days
Fungus gnats (Bradysia spp.)
Signs: Adults hovering around soil surface; larvae in the growing medium damage fine feeder roots
Control: Use free-draining tropical mix; allow the top layer to dry before watering; apply Steinernema feltiae nematodes; use yellow sticky traps
Keep begonia hatacoa pest-free
Healthy plants resist pests best. Get the basics right:
Begonia hatacoa pests — FAQ
What is eating my begonia hatacoa?
Begonia hatacoa is a tropical species begonia typically grown as a houseplant or in tropical collections. Spider mites thrive on its foliage in low-humidity indoor conditions, mealybugs shelter in stem crevices, and fungus gnats exploit its moist organic growing mix. Spider mites are the most damaging pest in typical indoor tropical conditions.
How do I get rid of spider mites (tetranychus urticae) on begonia hatacoa?
Pale stippling and bronzing of leaves; fine silk webbing on undersides; accelerated leaf drop in dry air Raise humidity to 60%+ by grouping plants or using a humidifier; spray neem oil to undersides weekly; introduce Phytoseiulus persimilis predatory mites
How do I get rid of mealybugs (pseudococcus spp.) on begonia hatacoa?
White cottony deposits at stem joints and petiole bases; weakened growth; sticky honeydew residue Spot-treat with isopropyl alcohol swabs; follow with insecticidal soap spray over the whole plant; isolate and repeat every seven days
How do I get rid of fungus gnats (bradysia spp.) on begonia hatacoa?
Adults hovering around soil surface; larvae in the growing medium damage fine feeder roots Use free-draining tropical mix; allow the top layer to dry before watering; apply Steinernema feltiae nematodes; use yellow sticky traps