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They are producing crawlers now so it is time to monitor their activity and plan management as needed. Merrill reported the distribution in Florida as Orange and Leon counties. Page menu options: Main; Other Names; Commodity Type; Distribution; Host Family; References; Web Links; Common Names. The whitish covering of the insect is waxy and repels liquids. Proceedings of the Florida State Horticultural Society, 87:518-520. Select pesticides On magnolia trees, false oleander scale looks like small white bumps on the leaves, and magnolia scale appears as yellow waxy blobs about one-quarter to one-half inch across on the branches. False oleander scale (FOS) can be a serious pest of southern magnolia, palms, and aucuba. ‘Zee’ Ahmed, FDACS-DPI. Bulletin The adults reach up to 2mm long, the immature stages (crawlers) are much smaller. Photos by Lyle Buss, University of Florida and Muhammad Z. The Southeastern US Pest Control Guide for Nursery Crops and Landscape Plantings is also an excellent resource. 1953. Time sprays to coincide with the crawler stage which is most susceptible It is one of the most polyphagous insects known, reported from 75 different plant families. The female covering is pear-shaped and shiny white, whereas the male covering is elongated and approximately 1 mm. Insects That Feed on Trees and Shrubs. © 2020 by the Alabama Cooperative Extension System. The best option would be to wait … It is now widespread The exuviae are terminal All life stages peaked in mid-July and in mid-November. When killed, the armor covering on females will continue clinging to the plant. The most commonly targeted stages for management are females and crawlers (mobile baby scales). If you see a bright yellow blob under the scale, then it is alive; however, a brown and dry scale means it is likely dead. Articles related to False Oleander Scale. The scale tends to confine itself to feeding on foliage and rarely attacks tender shoots or fruit. Figure 1. False oleander scale, an armored scale, was first described in California from palms taken in Efficacy on False Oleander Scale on Southern Magnolia ‘Little Gem’, Braman, GA, 2012. False oleander scale is probably not a good name as this species has over 100 plant species Origin. There are many others. Life Cycle. You don’t have to wait on our results if you want to give it a try this year. False oleander scales, Pseudaulacaspis cockerelli (Cooley), on leaf of bird-of-paradise. The false oleander scale is a pest of kiwi fruit in China (Zou and Zhou 1993). In 1953, G. B. Merrill reported the distribution in Florida as Orange and Leon counties. Photo: SD Frank False oleander scale, Pseudaulacaspis cockerelli, is a tropical and subtropical pest originally from China. Heavy infestations cause the entire leaf to turn False Oleander Scale A second cause of white spots on magnolia trees is the insect pest called false oleander scale, which feeds on a variety of trees. It has a waxy covering that is whiter than olive scale with a yellow or light brown spot near the center. These include: Magonolia grandiflora, magnolia; M. virginiana, sweetbay; Aucuba japonica; Strelitzia spp, bird-of-paradise; Hedera helix; Cornus florida, flowering dogwood; Taxus spp. Florida Armored Scale Insects. The male armor is elongate, snow-white, feebly The biology of FOS is somewhat of a mystery. False oleander scale, Pseudaulacaspis cockerelli, is a tropical and subtropical pest originally from China. 2. Naked eye and 30× views of armored scale species. If the coverings are removed, the female body is yellow, while the male scale is brownish yellow. bag or envelope to either DPI or your local county Cooperative Extension Service office. live scales by crushing the wax cover. Other common names include the fullaway oleander scale, magnolia white scale, mango scale, oleander scale, and oyster scale. Armoured Scale; Fullaway Oleander Scale; Magnolia White Scale; Mango Scale … Horticultural oils are often effective and relatively safe on beneficial organisms. The adult male scale is elongate. This scale is most common on leaves in the lower part of the tree. False oleander scale insects, which look like white specks on the leaf surfaces, cause yellow leaf spots and leaf drop. Additionally, there are fewer eggs, and 50-70% of females are alive. It does not produce honeydew and breeds throughout the year. Established infestations in the United States were first re corded by Merrill (4) at three locations in Florida and Georgia. False oleander scale is an armored scale. 1f, narrow and long with white wax often forming either 1 or 3 ridges that run the length of cover, but in some cases, no ridge is clearly visible. Figure 3. Armored scales like this are very difficult to control when mature. Page menu options: Main; Other Names; Commodity Type; Distribution; Host Family; References; Web Links; Distribution. It is now widespread in Florida, Georgia and Alabama, and probably occurs in all of the Gulf State… beneficial organisms. in 1942. Rosen D; DeBach P, 1986. In 1953, G. B. Merrill reported the distribution in Florida as Orange and Leon counties. quarantine from China. After hatching, the insects are known as crawlers. To try and reduce spring FOS populations, we will investigate a monthly application from October to January. As the insect pest feeds on the magnolia tree, it will cause white spots to appear on the leaves, which weakens the tree over time. Cooperative Extension System operates as the primary outreach organization Crawlers seemed to be the most resistant to the treatment. County, by J. R. Springer on sweetbay (Magnolia virginiana L.) in 1942. The fewest number of females with eggs occurred in late January through mid-March. plant juices and cause loss of vigor, spots on the foliage due to toxins in the scale saliva, deformation of infested plant parts, loss of leaves, and even death of the plant (Dekle 1965, Reinert 1974, Beardsley & Gonzalez 1975). A: You have false oleander scale. Hara et al. Visit www.aces.edu/directory. The females deposit eggs under their hard shells. Entomophaga, 31(2):139-151 . Many armored scales are serious pests of ornamental shrubs, trees, groundcovers and turfgrasses in South Carolina. All life stages of the scale may be found throughout the year. A Revision of the Scale Insects of Florida. 1976. False Oleander Scale This insect appears on the leaf tops, forming 3 mm white spots. When killed, the armor covering on females will continue clinging to the plant. that have the least effect upon other non-target organisms. Three new species of Aphytis (Hymenoptera: Aphelinidae), parasites of Pseudaulacaspis spp. The false oleander scale is an armored scale, or a scale with a waxy outer covering much like a shell. and This will target females with low egg counts. attributed to the movement of infested nursery stock. Individual scales are tiny; a male is about 3/100 inch long. Florida Insect Management Guide for mango, Florida Insect Management Guide for mango. In 1953, G. B. It was first found in Florida at Meade Gardens, Winter Park, Orange This is a non-native scale that has spread throughout the Southeastern Coastal area over the past few decades. and economic well-being. In the early spring, populations of scales are low. Adult females lay eggs inside their body shell. 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