Circular scale
citrus industry. In more northern countries of its range, it occurs in greenhouses. In addition to citrus, it occurs on many other plants. Damage symptoms [...] aonidum is a tropical species, native to the Oriental region but it has been dispersed widely in tropical and subtropical parts of the world, mostly in association [...] and adults have flat to moderately convex, circular scales up to 2 mm in diameter with a slightly raised, sub-central point which is sometimes pale. When