Crepe Myrtle Hedge -- Need advice! Reply. Bee Lunch: Crape Myrtle holds a pollen surprise Posted on October 13, 2014 October 11, 2014 Author Jeff Steenbergen These fast growing trees add a tropical look to our northwest gardens with their sweet smelling blooms at the end of summer. For large infestations, use a mild solution containing 5 tablespoons of dish soap to 1 gallon of water applied to the trunk and reachable limbs with a soft brush to remove eggs, adults and the black sooty mold buildup and then treat with an insecticide. Crepe myrtle aphids reproduce rapidly. Those are Japanese beetles devouring your plants. Encouraging birds and beneficial local bugs creates a balance. 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). This makes it easy for them to quickly grow into a large population that will damage your tree. Crape myrtle aphids (Tinocallis kahawaluokalani) chew through tree leaves and twigs beginning in May -- with heavy infestations in July through early August. brings with it good news and bad news. Denver resident Heidi Medina is a home cook, food blogger, lifetime gardener and professional landscape designer. I sprayed it (from upwind) with some home made peppermint spray (homemade Rodent Sheriff = 1qt. If the whiteflies are feeding, they’ll suddenly all fly off the leaves in a swarm, so it’s very obvious. This attracts other pests, insects, ants, wasps, mold fungi, and flies. Powdery Mildew: Powdery mildew is one of the most common problems of crape myrtle, and it is caused by the fungus Erysiphe lagerstroemia. Waterworth received a Bachelor of Arts in American history from Columbia College. The polyps lived on from year to year, and budded off each season a swarm of pretty but futile male jelly-fish. Ants rarely disappear;they'll just show up somewhere else. The crapemyrtle aphid, Tinocallis kahawaluokalani (Kirkaldy), is the most important insect pest of crape myrtle Lagerstroemiaspp. Two Rough Stink Bugs Brochymena mating, macro image isolated on a Crepe Myrtle tree branch in Houston, TX. I though there may have been a honeybee swarm, but it was 100's, 1000's of flies. Helpful. Avoid planting crape myrtles in overly wet locations and avoid getting moisture into the branches and leaves, which creates habitats for insects to thrive. Hand Pick: Unfortunately, the most effective way of getting rid of Japanese beetles is to hand pick them off of plants. In the genus Acanthococcus (formerly Eriococcus), the scale is a type of felt or bark scale. I realized the crape (or crepe) myrtles had begun flowering a few weeks ago. Thank you everyone for the help and suggestions! Crepe myrtles, more commonly known as crape myrtle or crapemyrtle (Lagerstroemia spp. They are ... read more. Heavy infestation of Eriococcus scale on crape myrtle. Crape myrtle, Lagerstroemia indica L., is an exotic ornamental plant, which was introduced to the U.S. from Asia. From there, her meandering career path led to a 9 1/2 year stint in the real estate industry. A senior in college, she is working on a Bachelor of Science degree in Internet Technology with a specialization in web development. Jill on August 19, 2017: Dang! Most of the insect problems in crape myrtles are preventable with proper planting and maintenance. If the infestation is too large, spray the tree with neem oil at the rate of 1 ounce per 1 gallon of water. During the summer, these are normally plagued by Japanese beetles feasting on their leaves. Yellow Insects & White Foam on Outdoor Plants, Sooty Mold Caused by Whiteflies on Rhododendron Stems, University of California Statewide Integrated Pest Management Program: Crape Myrtle, University of California Statewide Integrated Pest Management Program: Aphids, North Carolina Cooperative Extension: Crapemyrtle Aphid, University of California Statewide Integrated Pest Management Program: University of California Statewide Integrated Pest Management Program: Glassy-winged Sharpshooter, University of California Statewide Integrated Pest Management Program: Leaffooted Plant Bugs, Clemson Cooperative Extension: Crape Myrtle, Clemson Cooperative Extension: General Growth Requirements, A River Birch With Insects Attached to the Leaves. The good news, if there is any, is that they only last for about 6 weeks before they return to the soil to lay eggs for next year's onslaught. Aphids and azalea bark scale feed on the sugars produced by Crepe Myrtles. Try washing the plants with a forceful stream of water, such as that from the hose, aimed at the undersides of leaves in the middle of the day. The … Severe spider mite infestations can weaken crape myrtles, leaving them susceptible to other diseases such as powdery mildew or black sooty mold. While this sti cky gel will not catch many of the white bugs themselves, it will stop ants from getting into the tree. Yellowish-green crape myrtle aphids grow up to 1/2 inch long. When a honey bee colony outgrows its home, becomes too congested, or too populated for the queen’s pheromones to control the entire workforce, then the workers signal that it is time to swarm. Bugs are gone but the tree bark now has odd color to it! Like aphids, scale exude honeydew, which then attracts protective ants. A relatively new insect pest is troubling crape myrtle in north Texas cities and backyards. I though there may have been a honeybee swarm, but it was 100's, 1000's of flies. 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