Insects of Eastern Forests

abdomen adult female Adults appear adults emerge Agric ambrosia beetles antennae areas attack balsam fir bark beetle basswood biology birch body borer branches breeds buds Bull Canada cocoons Coleoptera cones conifers damage defoliation eastern forests Eastern United eastern white pine Econ Eggs are deposited Eggs are laid elytra Entomol Florida foliage forest insects forewings Full-grown larvae galleries galls genus gypsy moth hardwoods hatch heavily infested hickory hosts Hymenoptera infested trees instars introduced species killed large numbers larvae larvae feed leaf leaves Lepidoptera loblolly male maple mealybug needles North America Northeastern occurs throughout ornamental plantings outbreaks overwinter paper birch parasites pest pine sawfly plants poplar pronotum pupal Pupation occurs reddish brown scale scale insects South southern Canada species spots spring spruce stripes thorax trunks tunnels twigs U.S. Dep Univ usually weevil willow wings wingspread Winter is spent wood yellow yellowish Young larvae