Bark on the jack pine is dark to medium gray, thin and flaky when young and features thick plates in older trees. This tree growth irregularly and can produce between one and three whorls of side ...

With the ax blade, she gently peeled a strip of bark from a green tree, exposing the pale wood beneath. There, wedged into narrow channels carved into the wood, were tiny black larvae the size of ...

Pine and St. Louis. The confirmation means the insect that kills trees has now been found in 54 of 87 counties throughout the state. Quaratine areas will be expanded in an effort to stop its ...