That’s where we come in. The plant they are treating is covered with the scale. Crape myrtle (Lagerstroemia ssp.) CMBS is a miniscule insect that appears as a felt-like gray or white crust on crape myrtle branches, often on the underside away from the sun. My husband wanted to cut them down but I insisted we wait it out until the next growing season. This insecticide should be applied only once a year as a soil drench; however, it may be necessary to reapply in successive years. Feb 17, 2014 - Q: A couple of weeks ago you recommended tree-form crape myrtles for low maintenance. Each female lays about 60 to 250 eggs, which may over-winter within their ovisacs, and then hatch during mid- to late Apri… The crapemyrtle bark scale, Acanthococcus (=Eriococcus) lagerstromiae(Kuwana), was first confirmed in the USA in 2004 in the landscape near Dallas (TX), although it was likely introduced earlier. In one year, there could be at least two generations of CMBS. The entire tree turned black and sappy. Crape myrtle bark scale (CMBS) insect has been found in Fauquier. Helpful FAQ’s and information just for our Master Gardener Interns. It has been in Tennessee since about 2013. Crepe Myrtle Bark Scale is a relatively new nonnative scale that was first detected in the U.S. in 2004. Biological control is another option. Felt scales, also called bark scales, are not considered either armored scales or soft scales. Crape myrtle bark scale, Eriococcus lagerstroemiae, belongs to a special group of scale insects known as felt scales. It is one of the only scales known to infest crape myrtles. is a deciduous shrub or tree that ranges in height from 3-foot dwarves to towering trees of 50 feet. Generic versions of imidacloprid are available. It’s now beyond practical control. The crape myrtle bark scale was first confirmed in the United States in 2004 in landscape near Dallas, although it was likely introduced earlier. Crepe Myrtle Bark Scale (let’s call it CMBS) is a small insect that appears as a white or gray felt-like encrustation. They measure the circumference of each stem at the four-foot height and after doing some math they mix the imidacloprid concentrate in a gallon of water and pour it on the ground around the crape myrtle. Keep them healthy by properly mulching, watering, fertilizing and pruning. First, they discuss the history of the crape myrtle bark scale in the United States. How to Treat Crepe Myrtle Bark Scale. Crape Myrtle Bark Scale (CMBS), first discovered in the Dallas, Texas, area in 2004, is threatening to turn what has traditionally been a perennial favorite with few pests into an unsightly, high-maintenance landscape tree. Crepe Myrtle Bark Scale (or CMBS) is relatively easy to identify in heavy infestations, but can be difficult to notice in its early stages on Crepe Myrtles. The scale is a sucking insect that feeds on the phloem (sap) of plants. Colors range from red and pink to lavender and white. Green Stuff on Crepe Myrtle Bark. Since then, it spread rapidly. I … Adult females are felt-like white or gray encrustations that stick to crape myrtle parts ranging from small twigs to large trunks. Maintain proper pruning methods to keep your trees healthy. First, if the plant is small enough, spray the whole plant with a dormant oil. When crushed, these scales exude pink “blood”-like liquid. , History: Master Gardeners of North Alabama. As of early 2018, crapemyrtle bark scale has not yet been reported in Florida, however, it has been found in Alabam… Although gray-green lichens may look ugly on a crape myrtle's bark, they won't do physical harm. Be certain you carefully follow the label directions for use of imidacloprid or any other insecticide you use. Crape Myrtle Bark Scale (CMBS) It is a serious threat southern crape myrtle trees. This honeydew, in tu… Southern favorites, crepe myrtles (Lagerstroemia indica), produce showy, long-lasting summer blooms. Crape myrtle bark scale is relatively easy to iden-tify. They are using the systemic insecticide imidacloprid. Scrub the pests away – It may sound odd, but scrubbing the tree will remove many of … This is a small insect that sucks the sugary juices of the tree. Heavy infestations of crapemyrtle bark scale produce sufficient honeydew to coat leaves, stems and bark of the tree. While they are fairly hardy, there are problems that can arise if you don’t have suitable information on crepe myrtle care. Crepe myrtle (Lagerstroemia) is one of the best flowering trees in the world. This group is in the superfamily Coccoidea(scale insects) and the order Hemiptera (true bugs). When crushed, these scales exude pink “blood”-like liquid. This nonnative scale was first detected in the United States in 2004. Adult females produce a white, felt-like sac around their bodies and lay approximately 100 to 300 pink eggs inside this sac. It has been verified in all areas of both the City of Huntsville and Madison County. Always plant crapemyrtles in full sun. It started in Texas and has moved into at least 11 other states and initially it is infesting only crape myrtles. The crapemyrtle bark scale, Acanthococcus (=Eriococcus)lagerstroemiae (Kuwana), is an invasive felt scale in the family Eriococcidae (or Acanthococcidae, as the taxonomy of this family is still being debated). The best time to treat is in during spring, between April and May. Crepe myrtle bark scale affects crepe myrtles more that are unhealthy. As with most insects, there are several life stages and the appearance of CMBS changes with the stages. Everyone I know complains long and loud about the annual pruning of crape It's easy to spot. Pictured: CMBS life stages encrusting a small crape myrtle branch. Crape myrtle bark scale is relatively easy to identify. Once the mated females produce their ovisacs (egg-containing capsules) and lay eggs, they die. : https://www.youtube.com/watch?v=5f2kuFSGkNgQ\u0026A - Why does my Crape Myrtle have curling leaves? Its closest cousin is the Azalea bark scale, but that species has never been associated with crape myrtle before. CMBS is a small, white or gray insect (Image 1). : https://www.youtube.com/watch?v=iYn1Nl0HcqYPruning (Not Murdering) Crape Myrtle: https://www.youtube.com/watch?v=WxLnmB7tJCoQ\u0026A - I cut down my crape myrtle. Bark scale attacked both our beautiful Crepe Myrtles last year. Heavy infestations of crape myrtle bark scale are easy to spot and identify. The once-yearly drench may be applied later in the year as long as it is done before the tree begins to lose its leaves. Agent Marcus Garner with the Madison County Extension Office said … CMBS might be able to overwinter in the adult female and egg life stages, and crawlers and later stage nymphs have been observed overwintering under the loose bark and in cracks and crevices of crapemyrtles in our area. Crapemyrtle Bark Scale: A New Insect Pest - FSA7086 Author: James Robbins, John Hopkins, Mike Merchant, Mengmang Gu Subject: Crapemyrtle bark scale, a relatively new insect appearing on crapemyrtles (Lagerstroemia) across the Southeast, including Arkansas. If there's an ice storm, lichens can add a heavier load of ice to a limb, increasing its chances of breaking. 4 through 6). Up close, CMBS is white t… Slowly over the last 13 years it has moved northward and is now a serious threat to Crepe Myrtles in Hampton Roads. To date we’ve not been able to show any crape myrtle tree death as a result of a bark scale infestation. The small CMBS males are winged and will fly to find females and to mate. In addition to the presence of these bumps there is often also an emergence of unsightly black sooty-looking mold which develops resembling black dust on the leaves and bark of the crape myrtle plant.These are the defining characteristics which make up crape myrtle ba… Adult females are felt-like white or gray encrustations that stick to crape myrtle parts ranging from small twigs to large trunks. Eggs hatch into tiny pink crawlers, and the older nymphs are pink, gray, or brown. Crepe myrtle trees are popular with home gardeners for their clusters of beautiful flowers and unique peeling bark. The female’s body shrinks as eggs are pro-duced. Several lady beetle varieties have been found to be predators of CMBS, however, the scale multiplies faster than the beetles so beetle lures are a necessary for successful results. Lichens thrive in sunny parts of a plant with few leaves, but are not responsible for thinning leaves. It may take several months for the imidacloprid to start killing the scale, but it will be effective for about one year after application.Here are some other videos about crape myrtles:Q\u0026A – How do you remove black sooty mold from crape myrtle bark? As the crape myrtle bark scale spreads throughout Texas, one of the first questions we hear is “will the scale kill my tree?” The answer appears to be “no”, at least not often. : https://www.youtube.com/watch?v=_lcLQAVz58wSubscribe now to Family Plot for more gardening videos like these!youtube.com/c/FamilyPlotFor even more information, go to https://www.familyplotgarden.com This pest threatens to turn what has historically been a beautiful, low-maintenance landscape tree into an unsightly, high-maintenance landscape tree. It looks like a white speck stuck to the bark of a trunk or branch. Heavy infestations of crape myrtle aphids can also cause trees to be covered with black sooty mold, but any crape myrtle that is covered with sooty mold should be carefully exa… for Control of Crapemyrtle Bark Scale Cooperator – Gregg County - Longview, Texas Author - Randy Reeves* and Erfan Vafaie** Year - 2016 Gregg County Summary: In the genus Acanthaacoccus, the scale is a type of felt or bark scale. The scale is a sucking insect Thousands of scales encrusting the bark will literally turn it white. Crepe Myrtle Bark Scale is caused by an insect that researchers are working to learn more about. Crepe myrtle scale arrived here a few years ago as an accidental import from Asia. Crepe myrtles that are subjected to poor pruning habits (looking at you crepe myrtle toppers) are more likely to get bad bark problems. This can be a difficult pest to control and it may take m… It is usually best to use only one color in each cluster. The invasive Asian insect called “crape myrtle bark scale” first showed up in the US around 2006 but has been spread far and wide, partly via infested trees being sent to garden centers, then to gardens, then from tree to tree. With approximately 50 species, this tree is cultivated in warmer climates, and is indigenous to Southeast Asia, the Indian subcontinent, and northern parts of Australia. Crape Myrtle Bark Scale is a recent (2004) invasive insect from Asia. If you see this Crepe Myrtle Bark Scale on your Crepe Myrtle plants, there are a few things you can do. Crape myrtle bark scale (“CMBS,” Eriococcus lagerstroemia) was first identified in Texas in 2004, and is now a common pest. Crepe myrtle bark scale treatment may require several different techniques, and management of the pest requires persistence. Crapemyrtle bark scale is an exotic insect pest from Asia. If you suspect that your trees are infected, use a systemic insecticide, such as imidacloprid, when trees begin to show signs of new growth in the spring (late March–May). It is one of the only scales known to infest crape myrtles. When crushed with a finger, it will ooze out a pink substance. The eggs remain protected within the white colored ovisacs until the crawlers (immatures) hatch and disperse onto the branches. CMBS, first identified in Texas in 2004, has now spread to at least 12 additional states including Alabama. Most reports of CMBS come from the landscape, however, nursery stock can similarly be affected. *Pictures of Crape Myrtle Bark Scale were provided by the University of Arkansas Cooperative Extension Service. If you are concerned about the effect of systemic insecticides on foraging insects, remember that when applied correctly these insecticides do not appear to be as harmful. The brilliant fall color of these trees along with the attractive bark and pretty flowers make it the perfect tree for your garden. I went to several local garden centers, asked questions, showed pictures and nobody had a clue. Since the initial sighting in 2004, the crape myrtle bark scale (CMBS) insect has been spreading at an alarming rate across the Southeast. Keep reading for tips on growing crepe myrtle trees so you can enjoy these amazing plants year round. Crape myrtle is ideally suited for community plantings since it is long-lived, withstands droughts after becoming established, and is relatively free of disease and insect difficulties. Crape Myrtle Bark Scale - What is this white stuff on my crape myrtle trees? An Auburn study has had good results with lady beetles on small plants. Crape myrtle bark scale will appear like a white waxy crusty dot found on the tree trunk, branches or bark. UT Extension Agent Chris Cooper and Mike Dennison show how to use a soil drench to treat Crape Myrtle Bark Scale. In its native area it can infest a number of other plants, but right now it is mostly focused on crape myrtles. Black Residue on Crape Myrtle Trees. If buying new plants, be sure to purchase them from a reputable nursery, and before purchase check them carefully for any signs of CMBS. This new “bug”, Crapemyrtle Bark Scale (CMBS), is an insect from Asia that attacks crapemyrtles. On new growth and in heavy infestations, the scales may be distributed more uniformly on the branch (Figs. CMBS might be found anywhere on crepe myrtles bark, and often appears near pruning sites and branch crotches of more mature wood. First detected in northern Texas in 2004, CMBS is spreading throughout much of the southern U.S. When pressed or scraped, CMBS leaves behind a pinkish residue. 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