Scale insects reproduce rapidly, forming numerous colonies. The body of the female wide oval shape, pink or yellowish, covered with white powder coating. Legs are well developed. Males are very rare. Hatched larvae settle throughout the plant, the shoots on the leaves along the main veins. In severe cases scale insects form huge colonies, which sucked all the juices from the plant. The leaves turn yellow, the stems dry out. The allocation of scale insects colonize sooty fungus.
Control measures. When lung lesions enough to wipe plant wash with soap solution. In severe cases weekly spraying of insecticide (Fufaev, aktellik, Arriva).