THRIPS ON HOUSEPLANTS Recently at one of my house calls, my client had a Monstera Deliciosa that had rapidly declined. The client assumed it was due to overwatering, but upon Philodendron heterocraspedon leaves issue : r philodendron Monstera with spots on the underside of leaves. I wiped them away, but they grew back :( I'm not sure what they are! If anyone can identify what this is and how Kirschlorbeer: Weier Belag? Ursachen & Bekmpfung Ligustrum vulgare (Common Privet)