Most are no larger than 1/2cm and can be found on leaves, stems and branches. The Chinese wax scale, (Ceroplastes sinensis Del, Guercio, 1900) is the most distinctive of the three species. They can produce large quantities of honeydew causing a black sooty mould which can downgrade fruit and, if severe will even limit photosynthesis. Wax scales generally do best in humid coastal districts where temperatures are more moderate. In 2013, we added Indian wax scale, white prunicola scale and juniper scale to the monitoring list to better determine crawler periods. Scale are another sap sucking insect and come in a very wide range of shapes and colours. However, a pest management program that incorporates natural, mechanical, and/or chemical controls (as described below) should provide satisfactory control of most scales on most ornamental plants. Distribution. In recent years, infestations in the eastern half of Texas have become particularly noticeable. Wax scale can be 3-8mm in diameter and are white, cream, pink, or gray. Management In Texas, you can control Florida wax scale through cultural and chemical methods. The Indian wax scale seems to be one of the most difficult ornamental plant pests to control during much of the year. Insecticidal soap can also be sprayed on houseplants to kill scales. Florida wax scales look like waxy, white domes about the size of a nail head and occur on a wide variety of plants. Pour the soap into a spray bottle and spray the plant, including the undersides of the leaves and stems, until the soap solution begins to drip. A range of predators and parasites will attack pink wax scale. Mix about 5 tablespoons of insecticidal soap or a very mild dish soap into 1 gallon (3.8 L) of water. Scale insects are difficult to control because the waxy or cottony covering serves as a protective barrier to traditional contact insecticides. Since they may lay their eggs apart from their host plant, the scales should be destroyed after removal and not just knocked to the ground. Biological control of pink wax scale. In Florida, specimens of this scale have been identified on Annona squamosa (sugar apple), Mimusops roxburghiana (mimusops), … Crawlers hatch around June which is the best time for control. The fig wax scale has also been found feeding on Citrus sinensis and Citrus reticulata in Greece (Argyriou and Mourikis 1981). Soft scale (for example Pink Wax Scale and Soft Brown Scale) are usually found on the mid-rib of leaves and stalks of host plants. Try using insecticidal soap. Wax scales generally do best in humid coastal districts where temperatures are more moderate. They are a major pest of camellias and some hollies. Asia, East Africa, North (restricted to Florida and Hawaii), South and Central America, the Caribbean, Europe (on plants grown in the open as well as under cover), Oceania. Pink wax scale, red wax scale. Scientific Name. Tea scale insects are about the size of a hyphen, appear slightly fuzzy and are white or brown. Lecanium scale – The oak lecanium scale is abundant on willow oaks and other oak species . The mature females are coated with thick layer of off-white wax that is coloured pinkish brown in patches, and has white `dry' wax in lateral and dorsal depressions. And, when the scale goes to crawler stage, contact insecticides such as insecticidal oil and Distance can be used. Control: Handpicking scales in winter is an effective control measure. White wax scale on citrus. ... Organic Control Methods for Scale At the first sign of scale it’s time to act. Florida wax scale is widely distributed from Maryland to Florida, including the Caribbean archi-pelago, and from Missouri to California. Ceroplastes rubens. Worldwide. Scale insects come in many types, but here are a few of the most common. 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