Circular scale
margins, on both surfaces of shaded leaves of the host plant. Life cycle and appearance of Circular scale Female nymphs and adults have flat to moderately [...] In more northern countries of its range, it occurs in greenhouses. In addition to citrus, it occurs on many other plants. Damage symptoms Chrysomphalus [...] it tends to prefer the lower and central parts of mature trees. Circular scale prefers the leaves, but in high infestations it may spread to fruits, stems