I'm in the process of moving my Christmas cactus and crocus to the new grow light shelving and I noticed that the crocus all have something on their leaves. They're small, white specs, don't move and are easily brushed off. Only the tray of crocus has them, There's nothing on the cactus, amaryllis, begonia, orchids or anything else.

I've move the flat outside fora while while I sort this out. (I need to remember to bring it back in!)

I can't take a picture as my camera is dead.

Anyone have any ideas?

Darn . Well, i dont know, are there mitea besides the usual spider mites? I took a yautia plant ( grown from grocery store tuner) in and it was suffering, and I realized it was covered in spider mites, made my fingers stain rusty red when I wiped them off. Threwe that suckere out in the cold garden!
Pardon my phone typo g...

Well, they are definitely alive. I brought the flat in after dark. Using a magnifying glass, they are definitely mites of some sort. I hosed down the leaves and tray with hot water in the kitchen sink. I know I didn't get them all, but I got most of them. I wonder what it is about the crocus leaves that attracted them and no other plants show any signs.

You could follow up with diluted alcohol spray. That seems to help the mealybugs on my Aglaonema.
Somehow the crocus was vulnerable. Or it's a more specific mite? but in time I think they would spread.
I used up some Bayer systemic and have treated my Brugs and the aglaonemas. It was a little jar of powder from some bargain liquidator joint like Ollie's- a steal at 1.47!!

My Phalaenopsis had a terrible bout of them (Spider Mites) last year once the weather got cool.
I'd never had anything like that before. Guess they must love the underneath of those big floppy
leaves. Hair Spray (as natural as you can get) works the best to kill them, and doesn't hurt orchids,
so I guess it wouldn't hurt other plants??