3. For years, these trees have been “bullet proof” without any major natural insect enemies or diseases. The eggs remain protected within the white colored ovisacs until the crawlers (immatures) hatch and disperse onto the branches. 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. A&M has identified this pest as Eriococcus lagerstroemiae, and suspects that it was brought into the U.S. on a crape myrtle plant. Heavily infested crepe myrtles will have large almost completely encrusted sections of the bark or twigs covered in white scale. Exclusion: The simplest and most effective defense against CMBS is to avoid buying and planting infested crape myrtles. Identification of crapemyrtle bark scale is relatively simple because this is the first and only bark scale known to feed on crapemyrtle in the United States. Since the initial sighting in 2004, the crape myrtle bark scale (CMBS) insect has been spreading at an alarming rate across the Southeast. Treatment of Crepe Myrtle Bark Scale has to be done in stages and the time of the year will dictate what you should treat with. It is one of the only scales known to infest crape myrtles. Repeat applications every 2-3 weeks or as needed, and always read label and instructions before using any control. Each female lays about 60 to 250 eggs, which may over-winter within their ovisacs, and then hatch during mid- to late Apri… These products listed below will be discussed in detail then: 4 … CMBS was first identified in north Texas about twelve years ago and has since moved across much of the southeastern US. Up close, CMBS is white t… Crape myrtle bark scale is relatively easy to identify. This honeydew, in tu… Expect control to last for the remainder of the season. Crape myrtle bark scale is quite easy to detect on a tree if you have a heavy infestation. Crape myrtle bark scale is relatively easy to iden-tify. Please contact me with any sightings of this pest This pest threatens to turn what has historically been a beautiful, low-maintenance landscape tree into an unsightly, high-maintenance landscape tree. The best time to treat is in during spring, between April and May. It has been in Tennessee since about 2013. It is one of the only scales known to infest crape myrtles. 2. This pest threatens to turn what has historically been a beautiful, low-maintenance landscape tree into an unsightly, high-maintenance landscape tree. This new “bug”, Crapemyrtle Bark Scale (CMBS), is an insect from Asia that attacks crapemyrtles. Scale insects are herbivores, piercing plant tissues with their mouthparts and remaining in one place, feeding on sap. A soil drench or deep root treatment using a product containing … Smaller infestations are much more difficult to identify, in the nymph stage they are very small and usually pink, gray or brown. Based on information from similar plant growth zones in China and observations reported f… Measure trees before buying product so you know how much to buy. Adult female, what you may see on the tree, are round and gray-white in color; Adult female is immobile – no wings or legs; Adult male has wings but doesn’t feed; Immobile in its adult stage; The eggs are laid underneath the insect. Nymphs are tiny … Current evidence suggests that the scale may be a migrant from … •Fertilome Broad Spectrum Fungicide It also reduces blooms and weakens some trees. The Crepe Myrtle Bark Scale that dies will discolor and fall off the tree over time. Eggs hatch into tiny pink crawlers, and the older nymphs are pink, gray, or brown. Slowly over the last 13 years it has moved northward and is now a serious threat to Crepe Myrtles in Hampton Roads. If one has the scale and you purchased them at the nursery, Lowes, or garden center, then they will surely infect the plants in your garden or surrounding area. They feed by using their … Bark scale originates from China and was brought to the U.S. in 2010. Adult females produce a white, felt-like sac around their bodies and lay approximately 100 to 300 pink eggs inside this sac. The small CMBS males are winged and will fly to find females and to mate. •Fertilome Systemic Insect Drench 4 through 6). This nonnative scale was first detected in the United States in 2004. CMBS, first identified in Texas in 2004, has now spread to at least 12 additional states including Alabama. When crushed, these scales exude pink “blood”-like liquid. You will see white scale insects and black, sooty mold. Crape myrtle bark scale, Eriococcus lagerstroemiae, belongs to a special group of scale insects known as felt scales. In its native area it can infest a number of other plants, but right now it is mostly focused on crape myrtles. This is the black color that you see. Adult females are felt-like white or gray encrustations that stick to crape myrtle parts ranging from small twigs to large trunks. After hatching, the juvenile crawlers will find a spot and then mature; Two-three … Adult white scale is a tiny grey or whitish pest easily identified by its waxy, crust-like covering. 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. This can be a difficult pest to control and it may take m… •Hi Yield Systemic Insect Spray Heavy infestations are easily seen due to abundant black sooty mold and patches of the white or gray scales on the trunk, branches, and twigs of crapemyrtle. Treat in late fall to early spring with a high quality oil spray like Fertilome Horticultural Oil Spray. This is why it is so important to identify and control this insect now before it begins to spread to other plant species in the future. Identification is two part. Crape Myrtle Bark Scale is a recent (2004) invasive insect from Asia. The scale has since spread all across the USA. The adults create a white covering making them easier to spot. Expect it to take several weeks before control is obtained. Maintain proper pruning methods to keep your trees healthy. Treat again the following year, even if CMBS is not evident. Because the female CMBS do not have wings, the long-distance spread of this … Crape Myrtle Bark Scale (CMBS), like its host, originated in Asia. When crushed, these scales exude pink liquid which apparently is their blood. Crepe Myrtle Bark Scale is a problem that all Crepe Myrtle are likely to get, and although the insect may not kill the plant, the sticky bug and the black mold are an ugly nuisance. It’s a small sap-feeding insect that lives on the bark of certain plants, especially crapemyrtle. The mold and the scale both need to be coated in the Horticultural Oil in order to be controlled effectively, so spray the branches, twigs and trunks liberally until dripping. Management: Crapemyrtle bark scale appears to be difficult to control without the use of systemic … The problem usually goes unnoticed until plants begin turning black with a fungus called sooty mold when it begins to grow on insect droppings. You may be first alerted of the presence of the black sooty mold which has devel… When properly applied, these treatments usually provide effective control, but it takes several weeks for treatments to work, and sooty mold that has already accumulated will remain after control has been achieved. This smothers the scales that are there. They have at least 2 overlapping generations. Always check the crape myrtles before purchasing! One may want to plant another species altogether to avoid having this problem in their landscape. Female CMBS will then produce the white felt sac, while male CMBS develop wings and fly off searching for mates. CMBS produce large quantities of honeydew, a sticky substance that gets on the leaves and branches and trunks of the plant and then will usually encourage the development of sooty mold, which will turn dark brown to black over a short amount of time. But that species has never been associated with crape myrtle bark scale ( CMBS ) it is a or. 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