Ecological Archives M076-015-A3

Shannon M. Murphy and Paul Feeny. 2006. Chemical facilitation of a naturally occurring host shift by Papilio machaon butterflies (Papilionidae). Ecological Monographs 76:399–414.

Appendix C. Female Papilio machaon aliaska oviposition preferences for the parent polar extract compared to the F3 fraction of Cnidium cnidiifolium, Artemisia arctica, and Petasites frigidus. Tukey-Kramer adjusted t values are reported for differences in the least squares means between treatments.


Bioassay df t value P value

  C. cnidiifolium      
    Polar > control 35 8.22 <0.0001
    F3 > control 35 9.50 <0.0001
    F3 > polar 35 1.28 0.41
       
  A. arctica      
    Polar > control 35 13.01 <0.0001
    F3 > control 35 10.50 <0.0001
    F3 > polar 35 2.50 0.04
       
  P. frigidus      
    Polar > control 22 6.92 <0.0001
    F3 > control 22 7.16 <0.0001
    F3 > polar 22 0.24 0.96



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