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This is a discussion on Your remedy for this kind of bug? within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; I have a Paph that I ordered (and paid quite a bit for) that came ...
I have a Paph that I ordered (and paid quite a bit for) that came with a bad infestation. I sprayed it and it has had no problems. If the infection is light, the isopropanol/q-tip works well. If its heavy, I usually spray. I try to spray as little as possible to avoid killing bees/butterflies/other pollinators. Bee populations are having enough trouble on their own.
I use Merit. It is a systematic insecticide that will kill those bugs up to three months.
It is expensive but you don't need a whole bottle unless you have thousands of plants in your collection. If you could, find few people to share a bottle with you.
It is in powder form. You use 1/10th of tsp to mix a gallon of water. It has no odor but again, it is systematic, so please be careful and use it according to the instruction.