| − | The mites ''Demodex criceti'' and ''Demodex aurati'' can have a reasonably high infestation level without clinical signs. | + | The mites ''Demodex criceti'' and ''Demodex aurati'' can have a reasonably high infestation level without clinical signs. Both mites are often found together, although ''Demodex criceti'' is considered to be non-pathogenic. |