DaisyI said:I'm not sure what the difference is either - I think its a sort of generic term used for small flies that are attracted to moldy wet areas. Both live in environments you won't find outside in Sun City.
WillC said:The larvae feed on decaying organic matter, including roots that are decaying from overwatering. They are not the cause of the root decay, just a symptom.
Baja_Costero said:The gnats might feed on roots but not living ones.