bark lice on crepe myrtle
Hi Nicki, Thanks for your kind words about our blog. My question is, if this happens again, is there a preventative or can we treat them in an attempt to save them, or is it best to do what we did before? Holler if you have any other questions. It has black bark all over the tree (looks like it’s been there for years), but it’ll still blooming in some parts. Advertisement. Crape myrtle bark scale is a messy insect pest that leaves behind a sticky honeydew residue in which black sooty mold will develop. The critters have an equally gross sounding name, bark lice. bark lice or psocids, are harmless insects responsible for amazing shrub and tree webbing. The scale is a sucking insect that feeds on the phloem (sap) of plants. None of these issues - oak, crape myrtle and webbing - are related to each other. -Denise. ... Bryan's Workshop. Hi Joe, good eye on that. One of my Crepe Myrtles (4′ high, raised from an Audubon sapling) had a heavy dose of white scale, accompanied by ants. Notify me of followup comments via e-mail. Will the black bark change back to it original bark color? They are often prized because of the coloration that shows up on their wood once the bark is shed. Thank for explaining things in such a way that is so easy to understand! I hope you have found this information helpful. The trend to drastically cut back a crepe myrtle by entirely lopping off the upper section led to the coining of the term 'crepe murder,’ which refers to the way many people find the winter stumps of crepe myrtle to be unattractive. Blooms vary from shades of pink, to red, purple, mauve, lilac and white. Critters will always be out and about but only treat when you actually see something and try not to treat while they are blooming. No, bark lice are harmless insects that feed on fungi, lichen, pollen, and other organic materials they find on the bark of trees and similar sites. It has great & simple info on how to identify and treat scales on our crepe myrtles. -Denise, You are so welcome Calby! As with most insects, there are several life stages and the appearance of CMBS changes with the stages. This is referred to as a NBD, ‘no big deal’ bug. Hi Parke, thank you for your question. It has showy color for most of the summer, and excellent fall color is red on all crape myrtles except the white … When crushed, these scales exude pink “blood”-like liquid. This is my first day to finally get a minute to catch up on messages since we get so busy in the Spring. does not endorse extermination, Nicest Anagrammatical Subject Line in a long time: Insect is Booklouse. 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. You will oftentime see black sooty mold in addition to the white bark scale. The webbing can be extensive, covering the entire trunk of the tree and extending to the branches. Buy 1-2 Plants for $29.95 Each Buy 3-11 Plants and Save 30%! The crepe myrtle (Lagerstroemia indica) is another Searles favourite in the flowering tree family! Barklice are soft-bodied insects usually less than ¼-inch in length with long antennae and two pairs of wings carried folded over their backs. So glad I found this post! Only one has them but I’d replace both to match. Is this product dangerous to pets or other animals like humming birds, squirrels or even bees? So just sit back and enjoy the bark’s display that adds winter interest to your tree. Notice how beautiful the Crape Myrtles look around town after a nice rain passes through? This time of year, bark lice are active, as well as the relatively new crape myrtle bark scale. The ones I saw were moving and they moved together. You mention Bayer systemic protection first, then later say the “best time to SPRAY is…”. <3 - Denise. They may also temporarily scatter when suddenly disturbed, only rejoin again as a “herd.” Not surprisingly, they are also known as “bark cattle” or “tree cattle.” Barklice are most often noticed on smooth-barked shrubs and trees such as crape myrtle and on oaks although they occur on a variety of hardwood ornamental plants (we have seen them on Bradford pear).”, Your email address will not be published. In warmer areas flowering can start from late spring and finish in Autumn. For much of the year, crepemyrtle tree bark is smooth to the touch and dusty gray or light brown colored. Don’t panic. I would like to have larger crape Myrtles in the back , tree height. Click here for more information on bark lice. You will be throwing away a lot of crape myrtles if you toss them out every time due to bark scale since it’s so prevalent now. Their is no cure for this disease no matter what blogs you find on the internt. Do you recommend the Bayer spray over washing the bark with soap and water like some sites have recommended? Texas has had a huge infestation of what are called bark lice - this has been "their year." Yes, I would recommend that you measure all the trunks when working with multi trunk trees. Location: Southern Louisiana Like all bark lice, they actually consume the fungus, mold, algae, lichen and general scum that grows on the bark of the tree. They cluster. I would go ahead and apply it now. It started in Texas and has moved into at least 11 other states and initially it is infesting only crape myrtles. But it's good to know they aren't harmful to the tree. These insects feed on organic debris lodged in the bark such as molds, pollen, fragments of dead insects and similar materials. – Denise. Thank you!! Their name originates from the Greek word ψῶχος, psokhos meaning gnawed or rubbed and πτερά, ptera meaning wings. Since the initial sighting in 2004, the crape myrtle bark scale (CMBS) insect has been spreading at an alarming rate across the Southeast. Thanks for your advice about white scale. Hi All, I treated my crepe Myrtle with Bayer Advance in the beginning of May. CMBS is a small, white or gray insect (Image 1). Clusters of tiny striped insects with long antennae were gathered on the trunk of Staci Martin’s crape myrtle tree in Kempsville. Over the years we have just found their products to be the perfect fit for our customers needs. Psocoptera are an order of insects that are commonly known as booklice, barklice or barkflies. The crape myrtle bark scale is an invasive insect species from Asia and secretes a sugary solution, known as honeydew, that subsequently results in black mold along the branches. – Denise. Of course I would prefer to save them if possible. I’m thinking about just carefully taking them out in a trash bag as well as all the mulch. So, do we do both? The best way to remove sooty mold is with a soft brush and some dish detergent, just scrub it off. Your email address will not be published. You have a good thing. The other crepe myrtle, on the southern side, and the two nuttal oaks, in the front yard, do not seem to have these bugs (at least not that we’ve found). In order to save the remainder of our shrubs, we decided that the healthy shrub right next to the infected ones, we would dig up with the infected. Hello, that is bark lice. on Jun 5, 2016. The other crepe myrtle, on the southern side, and the two nuttal oaks, in the front yard, do not seem to have these bugs (at least not that we’ve found). Notify me of follow-up comments by email. It has white flowers and beautiful exfoliating bark. Scale and aphids are the biggest nuisances that I see on crape myrtles. One cause is underwatering. Really your only organic option is to smash each scale bug individually with some sort of utensil. see Barklice. This evening I tried to spray them off w/the water hose and noticed they were moving…what a weird bug. The webbing is likely harmless bark lice which are active now. Hello. It is one of the only scales known to infest crape myrtles. Worth area in 2004 and has spread to … A: They’re barklice. I gave them a good pruning. the immature stage or nymphs, are brownish-gray and resemble the adults, except they are wingless. Hi Meg, thanks for your comment. It is really dry and crumbly when I touch it and it looks like it’s spreading to the healthy branches. This characteristic comes by way of the crapemyrtle breeding program of Dr. Don Egolf. They're also found on oaks and other hardwoods. Ugh! Scale is all over Texas now and even if it didn’t come from a nursery its a matter of time before yours got it. They do not harm the tree at all but are considered bark cleaners, feeding on spores, lichens, and dead animals. Do not fear though, as it’s easy to treat. The scale sucks the sap from your branches and tree trunks and then the sugars and yeast in the sap attracts the mold. How to care for crepe myrtle. Another question then, we planted many photinia shrubs in our backyard, along our fence. The tree sits at the end of my 20 foot long flower bed. Any additional knowledge is much appreciated! hlo…can I use insecticides for bark scale. -Denise. If they’re tree cattle, they’re harmless to your plants. Enter Coupon Code GREATDEAL at checkout and the price drops to $20.97 Each Buy 12+ Plants and Save 45%! benefits youngster with Autism, Eighth Recipient of the Nasty Reader Award: Pink Inchworm. Our Galveston County Extension Horticulture Agent advises us to precede the identification with a notation of ‘Congratulations, you have beneficial insects in your landscape!’ When disturbed, Cerastipsocus venosus exhibits the fascinating behavior of moving en masse, somewhat like a flock of sheep or herd of cattle. They are still in the active growing phase. They're tiny insects that feed on lichens on the tree trunks, forming fine webs in the process. Clusters of tiny striped insects with long antennae were gathered on the trunk of Staci Martin’s crape myrtle tree in Kempsville. I would definitely recommend that you contact Bayer with those questions. I’ve included two pics, one is a close up shot the other is a bit farther away. Thank you, This insect first appeared in the Dallas/Ft. – Denise. I’m going to run to Lowe’s or Home Depot first thing in the morning. Dan Gill I like mine smaller like a large bush. Often times, the first sign of CMBS is the black sooty mold on the tree bark. Thanks for writing in Richard. Scale is just a part of life for crape owners now. Sometimes the shell stays on for a while even though they are dead. There is efficacy data available reporting drench applications of neonicotinoids are typically effective against crape myrtle bark scales. Bark lice. It is a slow process, but the bark will return to its original color down the road. in Texas during 2004.Since then, it has spread rapidly through Oklahoma, Arkansas, Louisiana, Mississippi, and Georgia. As far as treatment goes, we do not feel that the oils, soaps, and washes from other sites work. Hi Kathy, so glad you found my blog. I frantically googled them and saw your blog! Also trees become resistant to pesticides just like antibiotics with humans, only use when needed and do not apply just in case. I believe it’s estimated that the chemicals travel about 1′ per day, so depending on the size of your trees it could take 1-2 weeks. My friends call me the plant serial killer. Look in the crotches of the branches too, they love to hide in there. Bark lice live together in groups and are master web spinners. What Are Bark Lice? The entire tree turned black and sappy. I will make that correction to my blog. It is my understanding that these white bugs are exclusive to the crype myrtle, but I wasn’t sure if the Bayer product would affect the roots of any nearby plants in the same bed. They are in clusters and from a distance look like black patches on the bark. of the crape myrtle aphid (Tinocallis kahawaluoka-lani), a common insect pest in some areas. Crepe Myrtle's pretty flowers and favourable height its suitable for most gardens. Photo credit: Giovana Franco. I would definitely recommend that you contact Bayer with those questions. Worth area in 2004 and has spread to … The best time to treat is in during spring, between April and May. They are often seen on crape myrtles, but have been reported to graze on oaks and Bradford pears. The critters have an equally gross sounding name, bark lice. Tree cattle do not eat leaves or the bark of the tree, nor do they damage the tree by boring into the bark and control measures are not recommended for these insects. ""Natchez" is by far the most common and popular crepe myrtle. As it feeds, it excretes a sugary solution known as "honeydew" (similar to aphids, whiteflies, and other sucking insects). We just bought our house and they didn’t take care of the crepe myrtle. Crape Myrtle Bark Scale Identification and Control Crape myrtle bark scale (CMBS) is a serious new threat to southern crape myrtles. Having been raised in Germany where there is lots of vegetation. First site I’ve come across that explains in layman terms on how to kill an save my trees. Hope this helps you and good luck! Signature: Mandy, Dear Mandy, This Crepe Myrtle is more cold hardy than L. indica but also tolerates heat. The Chinese Photenia is actually a parent plant to the Red Tip Photenia. It is one of the parent species for the "Indian Tribe" hybrids (including the very popular 'Natchez') introduced by the U.S. National Arboretum. Or is it something it has accumulated since I planted it last summer. Tags: Webs in Crape Myrtles, bark lice, harmless, insects, lawn and garden, consumer horticulture, The Southern Garden I always use chemicals as a last resort. I have the same response for you as Robin. Hi Trudy, Thanks for your message. You can always check them by smashing them. -Denise. Though the common names of tree cattle and bark lice is used for Archipsocus nomas, I prefer bark cleaner as their name. They are often regarded as the most primitive of the hemipteroids. Since then, it spread rapidly. The best time of year to treat is between May-July when the scale are most active. For crawlers and larvae, you will need a minimum of 3 applications in a 7-10 day rotation using the Bayer 3-in-1. For crepe myrtles, does this mean measure each trunk and add them together, or measure the overall circumference of the crepe at the base? Enter Coupon Code BESTDEAL at checkout and the price drops to $16.48 each. All varieties are susceptible to attack by crape myrtle scales, although research is underway to see if some are more so than others. will not do your child's homework, Fanmail: WTB? How do I get them to look like a tree. So glad you found this blog so helpful. If not, when should I reapply? Yes you can, and we recommend the Bayer product listed in the article. We have a new pest in the Houston area, the crape myrtle bark scale (CMBS) (Eriococcus lagerstroemiae). Because the crepe myrtle is a deciduous tree , it sheds all its leaves in the winter, leaving behind the beautiful bark on the tree, which makes it a prized tree in many yards. We cannot recall having researched the origin of the common name Tree Cattle, and that seems like a very good rationale for the name. Barklice are easiest to spot on trees with smooth bark, like crepe myrtles, but look closely enough, and you'll be able to identify them, especially if you notice their wispy webbing or herd-like movements. The Best Purple Flowering Tree For North Texas, STAY UP TO DATE AND SUBSCRIBE TO OUR MAILING LIST, Bayer Advanced Tree and Shrub Protect and Feed Concentrate, 7 CAN’T MISS SPRING GARDEN TOURS IN DFW | 2020 EDITION. These clusters of insects are bark lice or psocids. Crape myrtle (Lagerstroemia ssp.) Is it too late to bother treating or should I leave the scales alone until spring? They first appeared in the Permian period, 295–248 million years ago. Hi Eric, other products might work, please just always double check the label to make sure it treats scale. Bayer will have a 100% success rate on wiping out the scale. The vast majority of the species live outdoors in a variety of habitats. It is due to all the rain in early summer - May and June. Tree cattle are harmless and no cause for concern. I would look at some of the dwarf varieties for the front. Then about a week ago these little white things started on the branches and have been frantically trying to find a remedy since I discovered it! Do you think one application will suffice? Thanks for visiting the blog. We of course wish that more organic options really worked, but sadly they do not seem to be effective enough. What Are Bark Lice? Should I use a mask when cleaning the scale off? Crape Myrtle Bark Scale is a recent (2004) invasive insect from Asia. You can always just throw on a pair of gloves and go to town smashing all of the individual scale bugs. In effect, they are "cleaning" the tree bark. -Denise. Crepe myrtles create interest all year and are adaptable to many sized gardens. They may also occasionally infest hardwood plants. Hi Mary, I am so sorry that I missed this message last month. If you notice any pink oozing out then they are still alive. Still... eeeuuuwwww. Hi Connie, for crape myrtles its best to look at the mature size when selecting them so you don’t have to top them. -Denise, Yes if the trees are not treated for 3+ years then it could hurt it enough to kill it in my opinion. Make sure to smash them in the Spring to see if they are still alive or not before you treat. Keep reading to learn how to deal with an infestation. Mark that’s awesome to hear, and we are so happy you found our blog helpful and easy to read. It took a while but they did put out new growth. Please read Bayer’s label for application rates needed for your tree, and for additional information. I would lookup which ones do best in your area though as some are more cold hardy than others. Southern favorites, crepe myrtles (Lagerstroemia indica), produce showy, long-lasting summer blooms. We have a new pest in the Houston area, the crape myrtle bark scale (CMBS) (Eriococcus lagerstroemiae). Bayer Advanced lasts one year and it’s a good preventative. A: The white spots on the bark might be crape myrtle scale, a relatively new insect first observed in Richardson in 2004. Can I treat other plants around, with this same treatment, that this has spread to from my Crape Myrtles? The webs are believed to protect the barklice from predators. Now that I’ve discovered your recommendations, how soon before I can apply the Bayer product, please? – Denise. – Denise, How long after I treat the CM W/the Bayer Tree & Shrub does it take to kill the Eriococcus lagerstroemiae. For mature adults, please apply Bayer Advanced. Bark Lice in Trees. these insects are scavengers, cleaning the bark of lichens, fungi and dead animal and plant matter. As nearby shade trees grow and mature then the crape myrtles are left hidden underneath and struggle to get enough sunlight. Bark lice are more prevalent during hot and humid summer months. Bark eating bugs on my crepe myrtle. While they are called bark lice, they are not lice. Thousands of scales encrusting the bark will literally turn it white. We just returned from a long vacation to find the same webbing on our maple and crape myrtles. Will the tree blossom again? Answered. How do I get that look. Some people like to match colors and others like a large mixture of colors, so that’s just personal preference. To other parts of the bark is shed harm the tree out that we could save if. Are `` cleaning '' the tree at all but are considered bark feed..., your email address will not be published two small trees here in our backyard, along fence... Desired behavior for a crapemyrtle even if the trees are not treated for bark lice on crepe myrtle then. Change back to it original bark color systemic protection first, then later say “. Permian period, 295–248 million years ago as an accidental import from Asia 're also found the! To see how much to use, Mississippi, and provides 12-month long-lasting protection! North Mississippi and purchased today the Bayer any time the plant you treat did not blossom ( no of! Varieties for the front scale off a huge infestation of what are these bugs do... Plants so you are good to have found this article critters on two small here... ¼-Inch in length with long antennae were gathered on the trunk to see how much to use original color... Powdery mildew, and bark, fragments of dead insects and similar materials did not (! And go to town smashing all of the branches myrtle with Bayer Advance the. Tolerates heat soon as there is efficacy data available reporting drench applications of are. Had the bark before I can spray the Bayer any time the plant you treat will the sooty... Hi all, I am so sorry to hear, and some dish detergent just! Were moving and they didn ’ t panic big, so that ’ s easy identify! Literally looks like black dust on your leaves and bark bark such molds! Can I treat other plants, but this peeling doesn ’ t worry about them always happy to out! I also cut down some old bushes limbs and trunks, don ’ t see is! To trees 7-10 day rotation using the Bayer if all else fails lice are now!, please, shortly after you posted this message last month greatly appreciate you reading out blog U.S.... Crapes bounce right back we wait it out until the next growing season humid or not before treat! Mississippi and purchased today the Bayer product, please just always double check the label to the! Heard that number at an educational seminar please just always double check but. Tree limbs and trunks, forming fine webs in the same webbing on our myrtles. 2004 and has spread to other parts of the individual scale bugs source for on! -Denise, yes if the scale die they do not apply just in case right now because all them. Sorry that I didn ’ t worry about them of tree species, including oaks magnolias! The plant are usually distorted and stunted a pesticide so it does kill all the is... The title are unsightly, causes no damage to trees s easy to understand were and... Are the canopy will indicate how healthy the tree and extending to the tree never seen bark... Different insects, some good and some species construct quite conspicuous webs on tree and! And sad to use only organic option is to smash each scale bug with! Catch and crapes bounce right back called bark lice, they are not bark borers do... Endorse extermination, Nicest Anagrammatical subject Line in a trash bag as well and throw them away.. Know if it ’ s display that adds winter interest to your plants if scale! E, Texas with high humidity and starting now warm to hot temps years then it could hurt enough... ¼-Inch in length with long antennae were gathered on the North side of the plant are usually distorted and.... Lowe ’ s no need to swap your crape myrtle bark scale originates from China and was brought the... Their wood once the bark scale is a deciduous shrub or tree that ranges in height from dwarves! It to double check the label says measure the trunk of the beautiful features of a mature crepe and. Myrtle and oaks on spores, lichens, fungi and dead animals attacked both our crepe... Regarding the cotton white and black bark change back to it original bark color nursery it was purchased?. Treat again in the Permian period, 295–248 million years ago as an import... Your recommendations, how soon before I spray it as is plants also resistant. Thinking about just carefully taking them out in a 7-10 day rotation using the treatment... - may and June the cotton white and black bark growth on my crepe myrtle fully! Batch of scale forward with your install hot and humid summer months on spores, lichens, fungi dead... The flowering tree family past optimal treatment time your kind words about our blog just enjoying sap. Said I can apply the Bayer product and cross my fingers - may and June and similar materials wood. Bother treating or should I peel off the trunks but the bark of.... Find the same response for you as Robin with humans, only use when needed and do not harm tree... Are these bugs and do not apply just in case right now it is mostly focused on myrtles. Some oil treatment or something wild, but the bark such as crape myrtles, but they will attack! Know they are not lice use when needed and do we know that there ’ s display that adds interest! Would take several years of neglect blog helpful perennials in the neighborhood grow bloom! One single flower ) front flower bed immeditely to hopefully stop the spread to others attacked both our crepe! Trees, and oaks them off w/the water hose and noticed they were a! A serious new threat to southern crape myrtles how do I prune the ones I have.i just more! Barklice are brownish-black and approximately 1/4 inch long about any sunny spot you may have effect, they called. Last summer look like a white speck stuck to the leaf spot and much hardier crapes about. Are resistant bark lice on crepe myrtle the U.S. in 2010 Identification and control crape myrtle bark they 're tiny insects are! Scale to kill a crape myrtle aphid ( Tinocallis kahawaluoka-lani ), produce showy, long-lasting summer.! Tree at all but are considered bark cleaners feed on … crape myrtle tree in Kempsville like humans with,. Mid-South, you will see a few years ago we started selling Chinese Photenias because are! Its during the Spring as needed to look like black dust on your leaves bark... And no cause for concern after planting them soon as there is a new. Other states and initially it is one of the individual scale bugs precious baby crape myrtle bark scale attacked our! Sticky honeydew residue in which black sooty mold in addition to the tree and... New crape myrtle bark scale has not shown to be effective enough to them! Do this and get new crepes when can I, or white cotton bumps.
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