Pinyon WebQuest
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  • Arizona Academic Standards
  • The Process
    • Student Introduction
    • Process For Students
    • Evaluation Rubric
    • Conclusion
  • Student Tasks
    • Overview»
      • Task 1: The Pinyon Pine
      • Task 2: Climate Change
      • Task 3: The Scale Insect
      • Task 4: Data Analysis
      • Task 5: Native American Uses of Pinyon
      • Optional Field Research Task
      • Task 6: Predictions and Solutions
      • Task 7: Final Project
  • Teacher Resources
  • Credits
  • IN
  • Pinyon WebQuest
  • Scale Gallery

Scale gallery

This website contains images of all stages of life for the scale insect.
http://www.forestryimages.org/browse/subimages.cfm?SUB=313

Other pictures showing effects of scale on Pinyon Pine


^ Above are typical trees affected by scale. Notice the bare branches with new growth at the end, creating a poodle tail effect.

^ Above is a healthy tree. The needles are retained from year to year and new growth added, creating a fuller, more dense foliage. This specimen is a one needle variety of Pinyon Pine.

^ Bean, nymph or instar stage of life

^ Female scale at base of needle