A Plea For Beesand other PollinatorsDennis vanEngelsdorp
Symptoms of CCD                                      Symptoms of CCD•Absence of dead bees Absence•When bees present    •Ap...
Proposed            Causes of CCD                            C. V•   Cell Phones    C ll Ph                               ...
Top Lines of InvestigationTop Lines of Investigation   1. Pathogen     1. New     2. Newly evolved        Newly evolved   ...
Sample Collection   p                Yard Type   Colony type                                Strong                        ...
CCD vs. non-CCD yards     M t lit 20 8 % vs 8 1%     Mortality 20.8    8.1%           Odds Ratio:  weak-weak 205 dead-  we...
vanEngelsdorp
Higher levels in CCD   Non-CCD   Non CCD                             colonies                                       Pathog...
Non-CCDNon CCD                                CCDHigher levels in controlcoloniesPesticides    •Coumaphos         •wax and...
CLASSIFICATION AND REGRESSION TREE ANALYSIS                                N = 91                              56.7%      ...
Bees are in TroubleBees are in Trouble
Varroa MitesVarroa Mites        M        F
R=-0.92, P=0.02:Naug, 2009
Other pollinators
Nathan Muchaiahttp://heylittlebat.blogspot.com
http://www.xerces.org
Wayne Campbellhttp://hilaroad.com/orchids/
http://abelhadeouro.blogspot.com
Bees are Dying          y g How to Care?
Become a beekeeper
Honey Hunting                               y       g• Still practiced today   – Notably A. dorsata 
First Real Beekeepers
http://abelhadeouro.blogspot.comhttp://www.authenticmaya.com/cacao.htm
Eat local HoneyEat local Honey
Make meadows not lawns
The Green Lawn
Thank You                   Thank You               Humboldt Institute               Humboldt Institute• Pollinator.org• X...
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
Una súplica por las abejas - Dennis van Engelsdorp
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Una súplica por las abejas - Dennis van Engelsdorp

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Una súplica por las abejas - Dennis van Engelsdorp

  1. 1. A Plea For Beesand other PollinatorsDennis vanEngelsdorp
  2. 2. Symptoms of CCD Symptoms of CCD•Absence of dead bees Absence•When bees present •Appear young •Queen right •Insufficient brood cover I ffi i t b d vanEngelsdorp, et. al (2009) PLOSone•Lack of/delayed robbing or common Williams, Tarpy, vanEngelsdorp et. al (2010)comb pests BioEssays
  3. 3. Proposed Causes of CCD C. V• Cell Phones C ll Ph Vorsek• Rapture• Terrorist• Russian plot Russian plot
  4. 4. Top Lines of InvestigationTop Lines of Investigation 1. Pathogen 1. New 2. Newly evolved Newly evolved 2. Pesticide 1. Beekeeper applied 2. 2 Farmer applied li d 3. Environmental stress 1. Nutrition 2. Genetics 3. Management
  5. 5. Sample Collection p Yard Type Colony type Strong N 9 Control Weak 6 Strong 24 Weak 30 CCD Dead 14 Recovering 6 Package added 8 Package installed 3
  6. 6. CCD vs. non-CCD yards M t lit 20 8 % vs 8 1% Mortality 20.8 8.1% Odds Ratio: weak-weak 205 dead- weak weak 205, dead dead 109 vanEngelsdorp, et. al (2009) PLOSone
  7. 7. vanEngelsdorp
  8. 8. Higher levels in CCD Non-CCD Non CCD colonies Pathogens •DWV, KBV , •2.6 X more likely to have both nosema species •~2 X more likely to be infected with 3 or more viruses CCDvanEngelsdorp, et. al (2009) PLOSone
  9. 9. Non-CCDNon CCD CCDHigher levels in controlcoloniesPesticides •Coumaphos •wax and brood wax •Esfenvalerate •Wax•Honey bee tracheal mites vanEngelsdorp, et. al (2009) PLOSone
  10. 10. CLASSIFICATION AND REGRESSION TREE ANALYSIS N = 91 56.7% 56 7% CCD Coumaphos in bee brood ≤ 66 ppb oumaphos in bee brood > 66 ppb C N = 58 N = 33 67.2% CCD 36.4% CCDFluctuating asymmetry Fluctuating asymmetry ≤ 1878.5 > 1878.5 N = 40 N = 18 85.0% CCD 27.8% CCD Tree Sensitivity = 65 % Tree Specificity = 87 % vanEngelsdorp, et. al (2010) J. Ec.Ent
  11. 11. Bees are in TroubleBees are in Trouble
  12. 12. Varroa MitesVarroa Mites M F
  13. 13. R=-0.92, P=0.02:Naug, 2009
  14. 14. Other pollinators
  15. 15. Nathan Muchaiahttp://heylittlebat.blogspot.com
  16. 16. http://www.xerces.org
  17. 17. Wayne Campbellhttp://hilaroad.com/orchids/
  18. 18. http://abelhadeouro.blogspot.com
  19. 19. Bees are Dying y g How to Care?
  20. 20. Become a beekeeper
  21. 21. Honey Hunting y g• Still practiced today – Notably A. dorsata 
  22. 22. First Real Beekeepers
  23. 23. http://abelhadeouro.blogspot.comhttp://www.authenticmaya.com/cacao.htm
  24. 24. Eat local HoneyEat local Honey
  25. 25. Make meadows not lawns
  26. 26. The Green Lawn
  27. 27. Thank You Thank You Humboldt Institute Humboldt Institute• Pollinator.org• X Xereces.org

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