There can be 10 to 12 generations per year. If mites are suspected, hold a sheet of white paper beneath a branch and tap the branch. Mites will be dislodged and can be seen as tiny specks on the paper that move about. Mites primarily feed on lower leaf surfaces. Using their piercing mouthparts to stab epidermal cells, they withdraw the cellular contents which cause the cells to collapse.
Chlorotic spots occur where damaged adjacent cells coalesce.
A stippling appears on upper leaf surfaces. Severely damaged leaves may die. Mite control can be achieved if miticidal materials are properly applied. Treatments should be initiated before mite populations have reached damaging levels. Proper miticide dosage rates should be used.