What's eating my regnell's miltonia?

Regnell's Miltonia (Miltonia regnellii) faces spider mites as its primary indoor threat, especially when humidity drops below 45%. Mealybugs hide in leaf sheaths and pseudobulb grooves. Fungus gnats can become a problem if the medium stays waterlogged. Prompt isolation of any infested plant protects the wider orchid collection.

Silvery stippling across both leaf surfaces; webbing in severe cases; leaves lose green color and shrivel. Mist foliage to boost humidity; spray with neem oil or insecticidal soap, covering leaf undersides. Repeat every 5–7 days for three rounds.

White cottony clusters at pseudobulb bases, inside leaf folds, and around flower spike bracts; sticky honeydew. Dab directly with isopropyl alcohol; follow with neem oil spray weekly and check for re-infestation for six weeks.

Larvae damage fine feeder roots; adults are a nuisance; affected plants wilt despite adequate watering. Allow bark mix to dry slightly between waterings; apply Bti biological drench for larvae; yellow sticky traps for adults.