As these two common pest insects feed on the leaves of the crepe myrtle tree, they secrete a sweet, sticky substance known as honeydew that accumulates on the surface of the tree. In the fall, you will see the dark green foliage change to yellow, orange, and red. If ladybugs are present, consider using insecticides or application methods that will not cause them harm. There are about 500 species on a great variety of … Initially these two resemble, but the mealybug destroyer larva is larger and mobile, where CMBS adults are white but they do not move. First, after its leaves drop, apply dormant oil to the trunks and branches. It's easy to spot. However, the larvae of mealybug destroyers, a type of ladybug, are white and can sometimes be confused with adult CMBS. and economic well-being. Florida wax scale (Ceroplastes floridensis) are about 1/8-inch-long, immobile red insects coated in a white, waxy material. Crepe Myrtle’s trunk is cracking. This is a small insect that sucks the sugary juices of the tree. I have already removed the old mulch and liner from the bed, I also cut down some old bushes. © 2020 by the Alabama Cooperative Extension System. Bark Scale along the branch of a Crape Myrtle. SERIES 26 Episode 19. The scale is a sucking insect that feeds on the phloem (sap) of plants. Answer + 3. The larvae and adult forms are all predatory. Tree Cattle: Tree cattle nymphs appear dark gray with pale yellow banding between abdominal segments. Sometimes, certain aphid species cause galls (swelling of plant tissues) on crepe myrtle that is round or spindle-shaped. Views: 1410, Replies: 5 » Jump to the end. The local nursery said to check branches & trunk for “anything green” On a 9 . There are about 10 different species of lady bugs that feed on pests of ornamentals, each varying in color and appearance, ranging from black, red, yellow, orange to brown/tan. For more information, contact your county Extension office. In the genus Acanthococcus (formerly Eriococcus), the scale is a type of felt or bark scale. Two ‘Natchez’ crape myrtles demonstrate the potential impact of bark scale on the size and number of blooms in early summer. If you turn over your crepe myrtle leaves, you’ll see lots of small, soft-bodied yellow-green insects feeding – these are the crepe myrtle aphids. However treatment may be necessary to prevent further damage, if an insect population increases. As a reminder, crape murder is the extreme pruning of crapemyrtles that results in weakened and deformed trees. that ensures all people have access to information that improves their quality of life The major insect pests of crape myrtles in Texas are crape myrtle aphids, Japanese beetles, and primrose flea beetles. Use a nozzle attachment or a high pressure sprayer. Tree borers are insects that infest trees under bark and damage them extensively by boring and tunneling through the wood. Heavily … Grayish-white patches on the bark near pruning wounds or in branch crotches hide colonies of the insects. I did see green when I scratched off a small piece off the trunk Before winter 2018. A few insects on a plant usually do not cause damage to the plant. It looks like a white speck stuck to the bark of a trunk or branch. A good rule of thumb for pruning crepe myrtle is that birds should be able to fly through the trunks and lower stems. However, when I went to pick them up, they were all single trunk with multiple branches starting at about 1″ from the soil line. This is a deciduous plant that can be either a tree or a large shrub. Product links below – Click on the pics. What spray is most effective in exterminating these critters? This is indicative of a borer insect called ambrosia beetles. Everyone is welcome! Instead, it grows on sticky honeydew secreted by sucking insects like aphids, scales, and white flies that do feed on the leaves. The crepe myrtle tree is also commonly known as ‘crape myrtle,’ ‘crepe flower,’ and ‘Indian crape myrtle.’ Botanically speaking, its scientific name is Lagerstroemia indica. They often think the white dots are a fungus, but it is in fact a bug. As the crape myrtle bark … I have … My crape myrtle is growing little white appendages. But, as crape myrtle trees age and grow, they can develop a number of problems. Many people who call us describe their trees as covered in white dots, or white cotton like bumps. Trees that are growing poorly or are already under stress from inadequate care and disease are more prone to infestation from the insects. Sooty mold is a fungus that covers the leaves and looks like you just sprayed your crepe myrtle with asphalt. My 10 new pokomoke pink plants are plagued with small whitish bugs on the underside of the leaves and the bees and wasps are all over them. Clusters of tiny striped insects with long antennae were gathered on the trunk of Staci Martin’s crape myrtle tree in Kempsville. Up close, CMBS is white t… is a deciduous shrub or tree that ranges in height from 3-foot dwarves to towering trees of 50 feet. Crepe myrtle trees are hardy in zones 6–10, depending on which variety you choose. Its abundant flowers and spreading canopy make it a boon to any home garden. The insects’ digestive systems do not process all of the mat­er­ial they eat. Although an official name has yet to be given, this insect is thought to be an exotic pest that has somehow found its way to north Texas. Cooperative Extension System operates as the primary outreach organization The eggs hatch into small larvae in three to seven days and begin to search for food. You can change your choices at any time by visiting Your Privacy Controls. Those who suspect they have CMBS populations should report them to their Alabama Extension commercial horticulture regional agent. Heavily infected flowers may fail to open. Thousands of scales encrusting the bark will literally turn it white. Crape is the preferred name and what we most commonly use here in Louisiana. and deposits her eggs. Crape myrtle bark scale is a relatively recent pest that is affecting crepe myrtle trees in a growing area across the southeastern United States. Thank you everyone for the help and suggestions! Adult females produce a white, felt-like sac around their bodies and lay approximately 100 to 300 pink eggs inside this sac. Crape myrtle aphids are tiny, only about a 16th of an inch long. Crape myrtle aphids can often be controlled by high-pressure water spraying on tree foliage or picking the insects off by hand. Known to infest crape myrtles feet with a spread of 6–15 feet at maturity myrtle is often planted an! 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