New cattleya for me, has spots underside of leaves-

[beachgirl]

Originally Posted by isurus79

Could be a couple of things, but to me it looks like damage done by small, sucking insects (i.e. thrips or scale). I suspect this one may have had a good sized infestation in the recent past. I'd nuke it with your favorite pest control agents a few times and keep it away from your collection until you've hit it several times.

Thanks, if it were yours what would you nuke it with? I'm just learning. I have some azamax, that would be my go-to for insects.