The adult . All varieties are susceptible to attack by crape myrtle scales, although research is underway to see if some are more so than others. Announcer: Farm and family is a production of the Mississippi State University Extension Service. Adult female, what you may see on the tree, are round and gray-white in color We understand there are many different types of scale and we were reading about an Elm, so maybe it's completely different for a Crepe Myrtle. Controlling the scale will result in the disappearance of the sooty mold. The crape myrtle bark scale has been found in North Texas – in the Dallas area – and in north Louisiana – in the Shreveport area. Scale can affect a variety of ornamental trees and small shrubs, but crape myrtle bark scale is unique to that particular tree. It has been verified in all areas of both the City of Huntsville and Madison County. in Texas during 2004.Since then, it has spread rapidly through Oklahoma, Arkansas, Louisiana, Mississippi, and Georgia. Maintain proper pruning methods to keep your trees healthy. Answer: Scale on crape myrtles has become a common problem the last few years. As it feeds, it excretes a sugary solution known as "honeydew" (similar to aphids, whiteflies, and other sucking insects). Crape myrtle bark scale is a messy insect pest that leaves behind a sticky honeydew residue in which black sooty mold will develop. is a deciduous shrub or tree that ranges in height from 3-foot dwarves to towering trees of 50 feet. A little insect called the “Crape Myrtle Bark Scale”, or CMBS, is turning out in mass numbers and when they feed on the crape myrtle sap they excrete a sticky substance called honeydew. Click for a hub of Extension resources related to the current COVID-19 situation. This insect is relatively new to our area but has become fairly prevalent. The best time to treat is in during spring, between April and May. However, we hold to crapemyrtle bark scale because it is the recognized common name approved by the Entomological Society of America. This pest threatens to turn what has historically been a beautiful, low-maintenance landscape tree into an unsightly, high-maintenance landscape tree. In October 2013, the insect was confirmed in Germantown, Tenn., and, finally, in Little Rock in January 2014. CMBS, first identified in Texas in 2004, has now spread to at least 12 additional states including Alabama. Thanks for all your expertise. The pest causing this damage is called Crepe Myrtle Bark Scale (CMBS). What is Scale? This year it seems a day hasn’t gone by without a new report. The crape myrtle bark scale was first noticed in a Dallas suburb in 2004 and started its northern migration, spreading quickly across the South. This is effective. scale may be worse on hybrids (fauriei × indica). A few facts about CMBS. Grayish-white patches on the bark near pruning wounds or in branch crotches hide colonies of the insects. It is an insect pest that is called crape myrtle bark scale. This video shows homeowners how to treat the scale and make their trees look good again. For information on this insect pest and control measures, please see HGIC 2015, Crapemyrtle Bark Scale. Southern favorites, crepe myrtles (Lagerstroemia indica), produce showy, long-lasting summer blooms. It is one of the only scales known to infest crape myrtles. Now, crape myrtle bark scale can be found as far west as New Mexico, as far north as Kansas and as far east as Virginia. The problem usually goes unnoticed until plants begin turning black. Today we're speaking with Dr. Blake Layton, Mississippi State University Extension Entomology Specialist. It threatens to turn what has historically been a beautiful, low maintenance tree into an unsightly high maintenance tree. Black Residue on Crape Myrtle Trees. This new “bug”, Crapemyrtle Bark Scale (CMBS), is an insect from Asia that attacks crapemyrtles. Crepe Myrtle Bark Scale (let’s call it CMBS) is a small insect that appears as a white or gray felt-like encrustation. Scrub down the trunk of the crape myrtle with a mild solution of dish-washing soap and water using a long-handled brush to remove the scale and sooty mold. Again, keep in mind that it is a slow process for the insectici de treatment to reach its potential and to also allow for safer foraging of local bees. Another treatment recommended is to spray the trunks of the trees with dormant oil in late winter. Green Stuff on Crepe Myrtle Bark. Crape myrtle (Lagerstroemia ssp.) Treating Crape Myrtle Bark Scale will take a combination of Dominion 2L and Pivot 10 Insect Growth Regulator via soil drench around the tree. Treatment of crapemyrtle bark scale can be achieved with planning, by allowing early treatment of infected plants for crepe myrtle bark scale. A lot of people plant crepe myrtle trees and then start worrying as soon as they find that the bark is shedding from a crepe myrtle tree in their yard. Crape Myrtle bark Scale (CMBS) is a serious threat to our favorite Mid-South tree, the Crape Myrtle. University of Arkansas, United States Department of Agriculture and County Governments Cooperating Crepe Myrtle Bark Scale. Crape myrtle bark scale is relatively easy to identify. This nonnative scale was first detected in the United States in 2004. When crushed, these scales exude pink “blood”-like liquid. Amy Myers: Today we're talking about crepe myrtle bark scale scouting and control recommendations.Hello, I'm Amy Taylor and welcome to Farm and Family. Most gardeners are first alerted to crape myrtle bark scale by the presence of black sooty mold on the bark. Females lay eggs under the scale cover from May through September. Crepe myrtle bark scale insects make their home on the plant's exfoliating white bark, where they conceal themselves beneath protective wax. Crape Myrtle Bark Scale (CMBS) It is a serious threat southern crape myrtle trees. Then they spread initially Preventing Crape Myrtle Bark Scale. The second year of survey data tracking crape myrtle bark scale has provided researchers information they believe will help mitigate the pest's effect on … Crape myrtle cultivars range from 18 inches to 40 feet tall and grow in U.S. Department of Agriculture plant hardiness zones 7 through 9. As they mature, crapemyrtle bark scales secrete waxy deposits that become felted or matted into a thick white or scale covering.gray When the waxy scale cover is removed, adult females are wingless and sessile (i.e., permanently attached to the host plant). Lady beetles, including the multicolored Asian lady beetle and the twice-stabbed lady beetle feed on the scale. Crape Myrtle Bark Scale on Crape Myrtle Tree By Elaine Pugh, Fairfax Master Gardener Crape myrtle bark scale (CMBS), a type of felt scale, is a serious threat to the crape myrtle, Lagerstroemia indica. CMBS might be found anywhere on crepe myrtles bark, and often appears near pruning sites and branch crotches of more mature wood. The scales also reproduce on the shrubs, with each female laying dozens of pink eggs. Crape myrtle bark scale feeds on the tree, creating a liquid called honeydew. Do we need to move on to the sick tree treatment? I wouldn't worry about the sooty mold since the leaves will be falling soon from the tree. Shrubs, grass, walkways, and vehicles underneath the canopies of these crepe myrtles may show a sticky substance and look to be turning black along with the tree itself. From what we've read, scale appears to actually be an insect, not a fungus. 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