Class Insecta

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Class Insecta
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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

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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

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Butterflies and Camouflage

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

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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

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Batesian Camouflage

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

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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

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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