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Microevolution in IPM Part II

Microevolution in IPM Part II. How common is local adaptation of natural enemies to their hosts or environment? How critical is it for success of biological control to find locally adapted natural enemies for importation?. Challenging Questions. ?. ?.

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Microevolution in IPM Part II

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  1. Microevolution in IPMPart II

  2. How common is local adaptation of natural enemies to their hosts or environment? How critical is it for success of biological control to find locally adapted natural enemies for importation? Challenging Questions

  3. ? ?

  4. Important Factors to the Evolution of Local Adaptation • Natural enemy host range • Relative life span of natural enemy and pest • Relative migration rates of n.e. and pest

  5. Local Adaptation Has Influenced Regulation Already

  6. Challenging Questions • What is the role of adaptation after introductions in biological control?

  7. Hyperia postica Bathyplectes curculionidae Hyperia brunneipennis

  8. Hyperia postica Hyperia brunneipennis

  9. Cotesia glomerata Pieris brassicae Pieris rapae

  10. A 100 year later…

  11. Challenging Questions • Do introductions of natural enemies impose bottlenecks? • Is reduced genetic variation associated with low fitness?

  12. Aphidius ervi Variation Diaeretiella rapae Fitness

  13. Elatobium abietinum Fallopia japonica Success Iridomirmex humilis Variation

  14. ?

  15. Challenging Questions • How great is the risk of evolution of natural enemies host range?

  16. Euphydryas editha

  17. ?

  18. Challenging Questions • What is the risks of pests evolving resistance to natural enemies? • If pests evolve resistance, will Natural enemies evolve mechanisms to overcome pest resistance?

  19. Spartina alterniflora Prokelisia spp Acyrthosiphon pisum Aphidius ervi

  20. We need more DATA!!!!

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