The fig wax scale has also been found feeding on Citrus sinensis and Citrus reticulata in Greece (Argyriou and Mourikis 1981). The Indian wax scale seems to be one of the most difficult ornamental plant pests to control during much of the year. White wax scale on citrus. Management In Texas, you can control Florida wax scale through cultural and chemical methods. In 2013, we added Indian wax scale, white prunicola scale and juniper scale to the monitoring list to better determine crawler periods. Try using insecticidal soap. Mix about 5 tablespoons of insecticidal soap or a very mild dish soap into 1 gallon (3.8 L) of water. Distribution. Florida wax scales look like waxy, white domes about the size of a nail head and occur on a wide variety of plants. In the tropics and subtropics, but also warm temperate regions. There are systemic insecticides available that can be used to control scale. 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. Wax scales generally do best in humid coastal districts where temperatures are more moderate. The Chinese wax scale, (Ceroplastes sinensis Del, Guercio, 1900) is the most distinctive of the three species. Crawlers hatch around June which is the best time for control. Florida wax scale is widely distributed from Maryland to Florida, including the Caribbean archi-pelago, and from Missouri to California. Lecanium scale – The oak lecanium scale is abundant on willow oaks and other oak species . Worldwide. 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. Scale insects are difficult to control because the waxy or cottony covering serves as a protective barrier to traditional contact insecticides. And, when the scale goes to crawler stage, contact insecticides such as insecticidal oil and Distance can be used. Tea scale insects are about the size of a hyphen, appear slightly fuzzy and are white or brown. Scale are another sap sucking insect and come in a very wide range of shapes and colours. 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. Scientific Name. They can produce large quantities of honeydew causing a black sooty mould which can downgrade fruit and, if severe will even limit photosynthesis. 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. In recent years, infestations in the eastern half of Texas have become particularly noticeable. Also known as armoured scale. Pink wax scale, red wax scale. In Florida, specimens of this scale have been identified on Annona squamosa (sugar apple), Mimusops roxburghiana (mimusops), … ... Organic Control Methods for Scale At the first sign of scale it’s time to act. Wax scales generally do best in humid coastal districts where temperatures are more moderate. Biological control of pink wax scale. A range of predators and parasites will attack pink wax scale. Crawlers hatch around June which is the best time for control. Wax scale can be 3-8mm in diameter and are white, cream, pink, or gray. Control: Handpicking scales in winter is an effective control measure. Hard scale (for example Red Citrus Scale) has an oyster like coating and is difficult to control. Insecticidal soap can also be sprayed on houseplants to kill scales. 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. Ceroplastes rubens. 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