Ecological Archives M076-015-A1

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 A. Female Papilio machaon aliaska and Papilio oregonius oviposition preferences for polar vs. nonpolar host-plant extracts of Cnidium cnidiifolium, Artemisia arctica, and Petasites frigidus (hosts of P. m. aliaska) and of Artemisia dracunculus (P. oregonius host).


Bioassay
df
Type III F
P value

P. m. aliaska      
       
  C. cnidiifolium      
    Polar 1, 60 78.64 <0.0001
    Nonpolar 1, 60 4.26 0.04
    Polar × nonpolar 1, 60 2.00 0.16
       
  A. arctica      
    Polar 1, 57 195.12 <0.0001
    Nonpolar 1, 57 0.20 0.66
    Polar × nonpolar 1, 57 0.02 0.90
       
  P. frigidus      
    Polar 1, 49 202.60 <0.0001
    Nonpolar 1, 49 0.57 0.46
    Polar × nonpolar 1, 49 0.25 0.62
       
  A. dracunculus      
    Polar 1, 22 1196.94 <0.0001
    Nonpolar 1, 22 0.00 0.95
    Polar × nonpolar 1, 22 0.00 0.95
       
P. oregonius      
       
  A. dracunculus      
    Polar 1, 17 127.26 <0.0001
    Nonpolar 1, 17 1.98 0.18
    Polar × nonpolar 1, 17 1.53 0.23



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