Growli

Pest identification

What's eating my saintpaulia 'mac's black pearl'?

Mealybugs

Signs: White cottony masses at leaf bases and on petioles; weakened stems and sticky, sooty foliage.

Control: Remove with alcohol-dipped swabs; follow up with neem oil or insecticidal soap spray; repeat for 4 weeks.

Cyclamen mites

Signs: New center leaves are distorted, thick, and hairy; flowering stops as the crown deforms.

Control: Isolate immediately; apply a houseplant miticide; discard and replace if infestation is entrenched in the crown.

Thrips

Signs: On dark petals, pale silvery streaks and scarring are visible; adults leave frass dots on leaf surfaces.

Control: Prune and discard affected flowers; spray with spinosad or insecticidal soap; use blue sticky traps nearby.

Fungus gnats

Signs: Larvae chew roots in overly moist potting mix, causing unexplained wilting and yellowing lower leaves.

Control: Bottom-water only; let top of mix dry before watering; drench soil with Bti; set yellow sticky traps.

Keep saintpaulia 'mac's black pearl' pest-free

Healthy plants resist pests best. Get the basics right:

Saintpaulia 'Mac's Black Pearl' pests — FAQ

What is eating my saintpaulia 'mac's black pearl'?

Saintpaulia 'Mac's Black Pearl' is an indoor African violet with dark, near-black blooms that can mask pest damage. Mealybugs are the chief threat, followed by cyclamen mites and thrips. Inspect foliage carefully under bright light and treat at first sign — dark petal coloration makes thrips streaking especially easy to overlook.

How do I get rid of mealybugs on saintpaulia 'mac's black pearl'?

White cottony masses at leaf bases and on petioles; weakened stems and sticky, sooty foliage. Remove with alcohol-dipped swabs; follow up with neem oil or insecticidal soap spray; repeat for 4 weeks.

How do I get rid of cyclamen mites on saintpaulia 'mac's black pearl'?

New center leaves are distorted, thick, and hairy; flowering stops as the crown deforms. Isolate immediately; apply a houseplant miticide; discard and replace if infestation is entrenched in the crown.

How do I get rid of thrips on saintpaulia 'mac's black pearl'?

On dark petals, pale silvery streaks and scarring are visible; adults leave frass dots on leaf surfaces. Prune and discard affected flowers; spray with spinosad or insecticidal soap; use blue sticky traps nearby.

How do I get rid of fungus gnats on saintpaulia 'mac's black pearl'?

Larvae chew roots in overly moist potting mix, causing unexplained wilting and yellowing lower leaves. Bottom-water only; let top of mix dry before watering; drench soil with Bti; set yellow sticky traps.