Thanks!Better spray with an insecticide. Looks like thrips!
I grow inside so all treatment has to be done outside. It's only going to be 50 here for a couple weeks so I can only take them outside long enough to give them a quick spray.Are you growing inside your home? If you take them outside until it dries, try Orthene 97% granular and drench the
Some thrips that attack orchids reproduce more frequently and require twice a week spray. I posted a great article from Anthura with photos to identify and treatment timelines, etc.if you are concerned with pesticides in your house, horticultural oils and soap sprays have enough effectiveness to use them ...and you can use them frequently as long as you can get your plants dried out enough... Martin Motes is a big fan of those home remedy's on a weekly basis to fit their reproductive cycle... I've been chasing thrips and mites in my greenhouse every week for a few months... even with actual miticides added to the soap and oil regiment, it's taken a while to see results.