Lecture 14
Biology 251: Lecture 14Fall 1996

Insect/Plant Interactions II: Plant Defenses

  1. Plant defenses
    1. Structural defenses
      1. Spines/trichomes
      2. Tough leaves
      3. Egg mimics
    2. Chemical defenses
      1. Glues/resins
      2. Odor/taste
      3. Toxins
      4. Hormone mimics
    3. "Solicited" defenses

  2. Insect Responses
    1. Types of insect responses
      1. Avoidance/Evasion
      2. Inactivation
      3. Circumvention
      4. Utilization
    2. Specific examples of insect responses
      1. Responses to structural defenses
        1. Plume moth
        2. Ithomiid butterfly
        3. Sawfly
      2. Responses to chemical defenses
        1. Chrysomelid beetle
        2. Coccinelid beetle
        3. Oecophorid moth

  3. Coevolutionary case study: Passion flower/Passion flower butterflies


"Patience is a necessary ingredient of genius." Benjamin Disraeli