Insects that Cause Leaf Discoloration, Distortion and Dieback

Sub-Categories:

• Adelgids (order Homoptera, family Adelgidae)
  • Cooley spruce gall adelgid (Adelges cooleyi Gillettte) [2]
  • Eastern Spruce Gall Adelgid (Aldelges abietis Linnaeus) [1]
  • Hemlock Wooly Adelgid (Adelges tsugae) [2]
  • Pine Bark Adelgid (Pineus strobi Hartig) [1]
• Aphids (order Homoptera, family Aphididae) [1]
• True Bugs (order Hemiptera)
  • Boxelder Bug (Boisea trivittata Say) [1]