• Corpus ID: 81532584

Preference and performance of the wild indigo duskywing ( erynnis baptisiae ) on its native host yellow wild indigo ( baptisia tinctoria ) and on the introduced plant crown vetch ( securigera varia )

@inproceedings{McMahon2007PreferenceAP,
  title={Preference and performance of the wild indigo duskywing ( erynnis baptisiae ) on its native host yellow wild indigo ( baptisia tinctoria ) and on the introduced plant crown vetch ( securigera varia )},
  author={S McMahon},
  year={2007}
}
The Wild Indigo Duskywing butterfly (Erynnis baptisiae) shifted from its native host plant Yellow Wild Indigo (Baptisia tinctoria) to the introduced plant Crown Vetch (Securigera varia). This study examined the effects of this host shift by comparing butterfly preference (larval feeding and female oviposition) and performance (pupal weight and pupation success) of two distinct butterfly populations, on both native and introduced plants. Caterpillars reared on the native plant had significantly… 

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