I haven't thrown them away yet.. And they're still covered in black specks. They never had any aphids on them. Some of my other seedlings have aphids but not these
They didn't get a chance to recover, they all died. If you look at the leaves of the plant in the center of the photo that is where the concentration of the specks is greatest. They are tiny so if you don't know what you're looking for it can be hard to spot.
If you look at the seedling in the center of the photo that has the most specks. I can try and take a better picture this weekend. However, whatever this thing is has killed every single one of my cabbage seedlings. Nothing else was affected at all.
There are no bugs on or around them save for a few flies, mosquitos and gnats. There are a few moths as well but we kill all of those when we see them so there haven't been any very long and there were never any eggs present on the plants. I would think these seedlings are not old enough to have...
They are in the garage and I do leave the garage door open sometimes so possibly! There are a lot of moths and flying ants and flies flying around the lights