Scale are another sap sucking insect and come in a very wide range of shapes and colours. 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. 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. There are systemic insecticides available that can be used to control scale. They are a major pest of camellias and some hollies. Florida wax scale is widely distributed from Maryland to Florida, including the Caribbean archi-pelago, and from Missouri to California. In Florida, specimens of this scale have been identified on Annona squamosa (sugar apple), Mimusops roxburghiana (mimusops), … Scale insects are difficult to control because the waxy or cottony covering serves as a protective barrier to traditional contact insecticides. Ceroplastes rubens. Most are no larger than 1/2cm and can be found on leaves, stems and branches. And, when the scale goes to crawler stage, contact insecticides such as insecticidal oil and Distance can be used. The Chinese wax scale, (Ceroplastes sinensis Del, Guercio, 1900) is the most distinctive of the three species. In 2013, we added Indian wax scale, white prunicola scale and juniper scale to the monitoring list to better determine crawler periods. 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. Worldwide. 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. Lecanium scale – The oak lecanium scale is abundant on willow oaks and other oak species . Florida wax scales look like waxy, white domes about the size of a nail head and occur on a wide variety of plants. Crawlers hatch around June which is the best time for control. Tea scale insects are about the size of a hyphen, appear slightly fuzzy and are white or brown. Hard scale (for example Red Citrus Scale) has an oyster like coating and is difficult to control. They can produce large quantities of honeydew causing a black sooty mould which can downgrade fruit and, if severe will even limit photosynthesis. The Indian wax scale seems to be one of the most difficult ornamental plant pests to control during much of the year. Biological control of pink wax scale. ... Organic Control Methods for Scale At the first sign of scale it’s time to act. 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. 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. The fig wax scale has also been found feeding on Citrus sinensis and Citrus reticulata in Greece (Argyriou and Mourikis 1981). White wax scale on citrus. Pink wax scale, red wax scale. Also known as armoured scale. Wax scales generally do best in humid coastal districts where temperatures are more moderate. Scientific Name. Distribution. Wax scales generally do best in humid coastal districts where temperatures are more moderate. Control: Handpicking scales in winter is an effective control measure. Management In Texas, you can control Florida wax scale through cultural and chemical methods. A range of predators and parasites will attack pink wax scale. Scale insects come in many types, but here are a few of the most common. Crawler periods ) has an oyster like coating and is difficult to control because the waxy cottony. Been found feeding on Citrus sinensis and Citrus reticulata in Greece ( Argyriou and Mourikis )... 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