In the U.S., it is an emerging pest that threatens crapemyrtle production and land- scape use. Crapemyrtle bark scale (Acanthococcus lagerstroemiae) has been confirmed in all the Southeastern U.S. except for Florida. (10 May 2018) Knox G, Gu M, Merchant M, Vafaie E, Chen Y, Robbins J. Females lay eggs under the scale cover from May through September. It is a small, white, sap-feeding insect that lives on the bark of crapemyrtle trees. In its native range in East Asia, CMBS is a serious threat to crapemyrtles, persimmons, and pomegranate plants. Texas A&M AgriLife Extension Service entomologist Wizzie Brown suggests ‘exclusion’ as the best means of early control. University of Arkansas, United States Department of Agriculture and County Governments Cooperating Crape myrtle bark scale is a small white scale that bleeds pink when crushed. COVID-19 Resources The insect was first noted in McKinney, Texas (self-designated as America’s “crapemyrtle city”), in 2005 and had spread throughout most of … 2018. They can be found on the trunks branches and twigs of crape myrtle (Photo by Erfan Vafaie). The Texas A&M University System, Texas A&M AgriLife Extension Service. It’s closest cousin is the Azalea bark scale, but that species has … In the genus Acanthococcus (formerly Eriococcus), the scale is a type of felt or bark scale. The adult . 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 … CMBS is relatively new to gardeners in the southern U.S. In the U.S., it is an emerging pest … Click for a hub of Extension resources related to the current COVID-19 situation. Insect Description Crapemyrtle bark scale is easy to identify since, in the U.S., it is the first and only known bark scale to occur on crapemyrtles. This nonnative scale was first detected in the U.S. in Texas in 2004 and was first found in Mississippi in spring of 2015. 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. Crape myrtle bark scale: A new exotic pest, EHT-049. scale may be worse on hybrids (fauriei × indica). Biology and potential impacts of the emerging pest, crapemyrtle bark scale. Crape myrtle bark scale (CMBS) is a serious new threat to southern crape myrtles. 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). Since the initial sighting in 2004, the crape myrtle bark scale (CMBS) insect has been spreading at an alarming rate across the Southeast. The year 2013 was a busy one for CMBS. The crape myrtle bark scale is a messy little critter that causes trunks to blacken and plants to drip sticky bug poop. Dr. Mike Merchant teaching an Associated Certified Entomologist training class. 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. 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