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Class Insecta

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Butterflies and Camouflage. Tropical butterflies. Have ... Found in many butterflies. Ex: Monarch and Viceroy. Caterpillar eats toxic milkweed, tastes bad ... – PowerPoint PPT presentation

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Title: Class Insecta


1
Class Insecta
2
Insect Mimicry
  • Look like something else as a protective measure
  • Classic example is the coral and king snake
  • Coral snake is poisonous, kind snake is not
  • Not true mimicry
  • In order for the mimicry to be successful the
    poisonous snake has to be more numerous than the
    mimic
  • Probably warning colors

3
Camouflage
  • Blending into evnvironment
  • Most common type
  • Ex walking stick or preying mantis
  • Walking stick to protect from predators
  • Preying mantis is predator but uses it for
    stealth in hunting

4
Butterflies and Camouflage
  • Tropical butterflies
  • Have different colors on their tops and bottoms
  • Colors blend into foliage

5
Batesian Camouflage
  • Model toxic
  • Mimic harmless
  • Population of model has to be higher than of
    mimic
  • Found in many butterflies
  • Ex Monarch and Viceroy
  • Caterpillar eats toxic milkweed, tastes bad

6
Batesian Camouflage
  • The Viceroy caterpillar will mimic both the
    Monarch and the Queen butterfly depending on
    which is more populous in the area

7
Batesian Camouflage
  • Tarantula Hawk
  • Hunts tarantulas, stings them until they are
    paralyzed, then carries them off to lay its eggs
    in
  • Fly and wasp mimic the Tarantula Hawk but do not
    sting

8
Mullarian Mimicry
  • Both model and mimic are toxic
  • Dont know which is which
  • Have evolved the same body, wing type or color to
    indicate toxicity
  • All bees are black and yellow, dart frogs
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