Circular scale
has been dispersed widely in tropical and subtropical parts of the world, mostly in association with the citrus industry. In more northern countries of [...] it occurs in greenhouses. In addition to citrus, it occurs on many other plants. Damage symptoms Chrysomphalus aonidum has a preference for humid environments [...] environments. In citrus, it tends to prefer the lower and central parts of mature trees. Circular scale prefers the leaves, but in high infestations it may