See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A precious ancient scarlet-red dye has been identified on ...

Kermes scale: The Kermes scale insect is well-established in the Boulder area and affects pin oak and red oak trees. The adult female is about a quarter-inch in diameter, tan and speckled with brown.

The researchers found that the species of insect used to create the dye was not native to the Levantine region—instead, it was from a scale insect of the type Kermes vermilio, which lives on kermes ...

Twenty-three mature red oak trees in Boulder’s Central Park and the Municipal Complex downtown will be treated for infestations of Kermes scale insects on Friday. Central Park and the Municipal ...