First detected in the U.S. in Dallas in 2004, crape myrtle bark scale is a sucking insect that feeds on the sap of plants. It excretes a sugary solution known as “honeydew,” like what is ...

Q: Why are the trunks of my crape myrtles turning black? They look rather unsightly. Mine aren't the only ones doing this -- many in our neighborhood look the same. Janet B. Carson, a freelance ...