Dr. Mike Merchant teaching an Associated Certified Entomologist training class. In its native range in East Asia, CMBS is a serious threat to crapemyrtles, persimmons, and pomegranate plants. In its native range in East Asia, CMBS is a serious threat to crapemyrtles, persimmons, and pomegranate plants. Biology and potential impacts of the emerging pest, crapemyrtle bark scale. Females lay eggs under the scale cover from May through September. Texas A&M AgriLife Extension Service entomologist Wizzie Brown suggests ‘exclusion’ as the best means of early control. Crape myrtle bark scale: A new exotic pest, EHT-049. In the U.S., it is an emerging pest that threatens crapemyrtle production and land- scape use. 2018. scale may be worse on hybrids (fauriei × indica). It’s closest cousin is the Azalea bark scale, but that species has … It threatens to turn what has historically been a beautiful, low-maintenance landscape tree into an unsightly, high-maintenance landscape tree. True, it’s small consolation to know that the scale that invaded Texas has now spread to at least six other states and appears to be ready to follow crape myrtle in the U.S. wherever it is… Read More … Crapemyrtle bark scale (Acanthococcus lagerstroemiae) has been confirmed in all the Southeastern U.S. except for Florida. CMBS is relatively new to gardeners in the southern U.S. They can be found on the trunks branches and twigs of crape myrtle (Photo by Erfan Vafaie). The crape myrtle bark scale is a messy little critter that causes trunks to blacken and plants to drip sticky bug poop. In the U.S., it is an emerging pest … The Texas A&M University System, Texas A&M AgriLife Extension Service. The insect was first noted in McKinney, Texas (self-designated as America’s “crapemyrtle city”), in 2005 and had spread throughout most of … Over the past decade, Merchant led a team of entomologists to identify a new insect pest of crape myrtle, officially named the crape myrtle bark scale or Eriococcus lagerstroemiae. As they mature, crapemyrtle bark scales secrete waxy deposits that become felted or matted into a thick white or scale covering.gray When the waxy scale cover is removed, adult females are wingless and sessile (i.e., permanently attached to the host plant). (10 May 2018) Knox G, Gu M, Merchant M, Vafaie E, Chen Y, Robbins J. Crapemyrtle bark scale (Acanthococcus lager - stroemiae) has been confirmed in all the South- eastern U.S. except for Florida. Crape myrtle bark scale (CMBS) is a serious new threat to southern crape myrtles. This nonnative scale was first detected in the U.S. in Texas in 2004 and was first found in Mississippi in spring of 2015. In the genus Acanthococcus (formerly Eriococcus), the scale is a type of felt or bark scale. University of Arkansas, United States Department of Agriculture and County Governments Cooperating Crape myrtle bark scale study reveals tree treatments to fight pest Fire ants will be one of the pests that will soon once again bother residents of Central Texas now that spring is in the air. Crape myrtle bark scale is a small white scale that bleeds pink when crushed. COVID-19 Resources Crape Myrtles for Texas is a collaborative project of Texas Cooperative Extension, Texas Agricultural Experiment Station, Texas A&M University, and the Texas Nursery and Landscape Association. It is a small, white, sap-feeding insect that lives on the bark of crapemyrtle trees. The year 2013 was a busy one for CMBS. Click for a hub of Extension resources related to the current COVID-19 situation. 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