Tree Pests

  • Bagworm

    Save Your Trees from Bagworms

    Easily one of the most asked-about pests are bagworms. The evergreen bagworm (Thyridopteryx ephemeraeformis) is an insect that makes distinctive spindle-shaped bags during its larval stage. If left uncontrolled, larval…

  • tree dying due to emerald ash borer

    Pest Control for the Midwest: Emerald Ash Borer

    Emerald ash borer (Agrilus planipennis) has gained a certain notoriety over the last 20 years. This pest has been responsible for the death of over 100 million ash trees (Fraxinus…

  • dying piñon pine

    Pest Control for the Southwest: Piñon Ips Beetle

    The piñon ips beetle (Ips confusus) infests Southwest-native piñon pines (Pinus edulis, Zones 4–8) throughout the region. According to the Colorado State Forest Service, “Ips beetles, sometimes known as ‘engraver…

  • pine trees infested with pine ips beetles

    Pest Control for the Mountain West: Ips Beetles

    Many of us who call the Rockies home are familiar with the devastation to our forests by the mountain pine beetle (Dendroctonus ponderosae). Millions of acres of lodgepole pines (Pinus…

  • Hemlock woolly adelgid

    Pest Control for the Mid-Atlantic: Hemlock Woolly Adelgid

    One of the prevalent garden pests in the Mid-Atlantic is hemlock woolly adelgid (or HWA, as it is often abbreviated). Native to Asia, hemlock woolly adelgid (Adelges tsugae) can be…

  • Fast-growing Trees to Avoid

    Fast-growing Trees to Avoid

    Many trees take decades to reach full size, and in this fast-paced world, not everyone has the patience to wait that long. Some trees that grow quickly have undesirable qualities…