The crape myrtle aphid attacks only crape myrtles. The small CMBS males are winged and will fly to find females and to mate. Smaller nymphs may appear grey and “furry.” Look for the insects on the undersides of leaves during the day, when they are most active. Common Crepe Myrtle Pests. A good home remedy for whiteflies on plants is a homemade garlic spray. If left neglected, the disease can completely defoliate the plant in late summer or fall. These molds are usually caused by fungi that grow a sticky substance (honeydew) on the plant. Colleyville, Texas. Despite their name, whiteflies are not a type of fly, though they do have wings and are capable of flying. Crepe myrtle bark scale insects make their home on the plant's exfoliating white bark, where they conceal themselves beneath protective wax. Learn more. If your crepe myrtle has sooty mold, this is an indication of an insect problem. Gardenality does not provide medical advice, diagnosis or treatment. Most often they will disappear gradually once the plant’s health is restored. This can be a difficult pest to control and it may take m… If you want to grow crepe myrtles as trees, low shrubs or container plants, you should know about all the common diseases and pests that can plague these plants. Crape myrtle (or crepe myrtle) trees provide year-round interest and color with their showy summer blooms, colorful fall foliage and attractive winter bark. Soon, the powdery mildew spreads over the entire leaf. 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. These aphids … This residue will turn black from dust and pollution collecting on it. There is the possibility of chemical treatment, but there are several generations a year and the timing is tricky and not often successful. Infected parts of the plant are usually distorted and stunted. Soon, the powdery mildew spreads over the entire leaf. Each female lays about 60 to 250 eggs, which may over-winter within their ovisacs, and then hatch during mid- to late Apri… The crape myrtle is valued mainly for its long period of striking summer flowers. Information entered by Gardenality members is not endorsed by Gardenality, Inc. If left neglected, the infected sprouts will spread the fungus to the upper parts of the plant. Crape myrtle aphids are found from May through September, with peak populations during July and early August. If you want to grow crepe myrtles as trees, low shrubs, or container plants, you should know about all the common diseases and pests that can plague these plants. What is this? What are bugs on crape myrtle? Some common diseases of crepe myrtles include. CMBS is one of very few scale insects feeding on crape myrtles. Severely topped crepe myrtles can’t get their energy from their branches and leaves, thus resorting to growing more limbs rather than flowers. Whiteflies are soft-bodied, winged insects closely related to aphids and mealybugs. When I attempt to scrape the bugs off, it leaves a red streak. Lawn care professionals, arborists and horticulturalists can recognize these insects in their adult and nymphs stage as growing to 1/8-inch-long with oval or oblong, white scale covers. The symptoms include yellow spots that appear on the upper leaf surface with white or grey fungus sporulation appearing on the lower leaves. A relatively new insect pest is troubling crape myrtle in north Texas cities and backyards. To improve the crepe myrtles surroundings, add a layer of mulch or compost every spring, and remember to water the plant more often during summer. Gathering in groups beneath leaves, these sucking bugs quickly increase in population during warmer temperatures. This unusual fungus is composed of algae and often appears as a green-greyish crust on the branches or trunks of crepe myrtles. I need help fast. The white insects are juvenile planthoppers. 9 Different Indoor Tropical Plants - Growing Guides & Photos. QUESTION: I discovered white bugs on the branches of our crape myrtle. If you own a greenhouse, those white dots on your plants could well be mealybugs. While you have to exercise caution while doing this, a small handheld vacuum can be a very easy way to get rid of larvae, eggs, and the tiny white bugs themselves. To prevent these pests from damaging your crepe myrtle, use traps and insecticides. Leaf spots are caused by a fungus species and typically occur during warm, moist weather. Mildew thrives in warm, moist conditions. In essence, that black goop … QUESTION: I discovered white bugs on the branches of our crape myrtle. Aphids use their piercing sucking mouthparts to extract sap from the tender, new growth of plants. 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