Competition between Melittobia Digitata and Nasonia Vitripennis

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Competition between Melittobia Digitata and
Nasonia Vitripennis

• by
• Adrienne Bezanson
• Taylor Dotson
• Lee Harris
• Scott Montgomery
• Chad Stephenson
• September 13, 2006

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Nasonia Vitripennis (Jewel Wasp)
Melittobia Digitata
VS.
Neobellieria (Flesh Fly)
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About the Wasps

• Both wasps are parasitic
• Used to control the flesh fly population
• Competition arises between the two
• Gauses principle

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Life Cycles of the Wasps

• Melittobia Digitata
• Female lays eggs inside the host
• Eggs hatch after 2-4 days
• Larvae feed on host for 7-9 days
• Pupation takes 5-8 days
• Adults live for 14 days

• Nasonia Vitripennis
• Female lays eggs inside the host
• Eggs hatch after 36 hours
• Larvae feed on host for 7 days
• Pupation takes 3 days
• Adults live for 14 days

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Standard Competition Model
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Specialization Model
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Specialization With Pop. Transfer
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Competitive Predator Prey Model
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Steady States
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Linearization
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Behavior
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Conclusions

• Only one wasp can survive in basic model.
• Specialization leads to zero competition.
• Only the dominate species of wasp should be used
  for flesh fly control.

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Questions?