Forest Protection

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• Beech Leaf Disease in Connecticut

  Beech leaf disease is an emerging and serious threat to Connecticut’s trees and forests.

• Winter Moth in Connecticut

  The winter moth is a non-native invasive defoliating insect.

• Chestnut Blight in Connecticut

  Chestnut blight devastated American chestnut populations across the Eastern United States in the early 20th century.

• Dutch Elm Disease in Connecticut

  Dutch Elm Disease is a devastating vascular disease of elm trees caused by two fungal pathogens.

• Jumping Worms in Connecticut

  Asian jumping worms are invasive earthworms from East Asia that have become established in Connecticut.

• Anthracnose Diseases in Connecticut

  Anthracnose describes several fungal diseases that attack the leaves, shoots, and sometimes branches of many hardwood trees in Connecticut.

• Beech Bark Disease in Connecticut

  Beech bark disease is a long-established threat to American beech trees in Connecticut and across the northeastern United States.

• Verticillium Wilt in Connecticut

  A description of verticillium wilt, a fungal pathogen, and its effects on forests in Connecticut.

• Elm Zigzag Sawfly in Connecticut

  The elm zigzag sawfly is a non‑native insect pest.

• Oak Wilt in Connecticut

  Oak wilt is a deadly fungal disease that blocks the vascular system of oak trees, leading to wilting, browning leaves, and rapid decline.

• Hemlock Woolly Adelgid

  Learn about the non-native insect, hemlock woolly adelgid, that feeds on conifer trees.

• The Spongy Moth: Outbreaks and Natural History

  Track the outbreaks of spongy moths in Connecticut.

• The Spongy Moth: Life Cycle and Related Moths

  Learn about the life cycle of the spongy moth and related moths

• Threats to CT Tree and Forest Health

  Learn about the many factors influencing the health and function of Connecticut's trees and forests.

• Firewood Transportation Self Certification

  Access to the Firewood Transportation Self Certification form