Forestry Insects and Diseases

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Across
  1. 2. first symptom includes "toothpicks" of frass coming out of trees
  2. 4. skeletonizes leaves
  3. 6. creates woolly sacs at base of leaves
  4. 10. creates webs in crotch of trees
  5. 12. predator of forest pests
  6. 14. kills ash trees
  7. 16. attacks walnuts and carries fungus for thousand cankers disease
  8. 19. almost invisible to naked eye; attack balsam trees
  9. 20. creates webs that completely engulf leaves
Down
  1. 1. teal and orange caterpillar with white diamonds
  2. 3. shiny, black beetle with white spots
  3. 5. new invasive species; jumps rather than flies
  4. 7. bores s-shaped galleries and girdles trees
  5. 8. the pizza moth
  6. 9. shiny, metallic, large beetle
  7. 11. most serious pest of eastern white pine; causes shepard's crook
  8. 13. formerly known as the gypsy moth, red white blue spots on caterpillar
  9. 15. master of camouflage
  10. 17. caterpillars and adult have red head
  11. 18. honeycombs trees