I know I've seen this posted before. I can't remember where. Quite often I see 1mm or less red/orange mite like creatures roaming around my succulents. Racing is a better word than roaming. These guys rarely seem to stop. They mostly do laps around the edge of the pot. They act like aphids on speed. Can anyone identify this bug without a picture? If so, do you believe they cause any harm? I don't detect any visual damage on plants carrying one or many of these.