Junipers can self-prune some branches to conserve water. But unlike some species of pine trees, the lack of water does not make the junipers more susceptible to other insects and pathogens, including bark beetles. The Show spoke about this with Joel McMillin, zone leader of the Arizona Zone of the Forest Health Protection Unit within the U.S. Forest Service, about how significant of a die-off he’s seeing. More Stories From KJZZ