The Role of Environmental Factors in the Northeastern Range Expansion of Papilio cresphontes Cramer (Papilionidae)

@inproceedings{Finkbeiner2011TheRO,
  title={The Role of Environmental Factors in the Northeastern Range Expansion of Papilio cresphontes Cramer (Papilionidae)},
  author={Susan D. Finkbeiner and Robert D. Reed and Robert Dirig and John E. Losey},
  year={2011}
}
ABSTRACT. The Giant Swallowtail butterfly, Papilio cresphontes Cramer (Papilionidae), has been reported in New York State for nearly 150 years. In recent years there has been an unexplained increase in P. cresphontes occurrences along the northeastern periphery of its geographical range. This study examined historical records to describe the movement of P. cresphontes populations into New York State and adjacent Ontario. Climate data and field studies were used to identify environmental… 
Autumn larval cold tolerance does not predict the northern range limit of a widespread butterfly species
TLDR
This study integrated organismal thermal tolerance measures into species distribution models for larvae of the Giant Swallowtail butterfly, Papilio cresphontes, living at the northern edge of its actively expanding range, and revealed that growing degree-days and precipitation best predicted the distribution of P. cresPHontes.
Autumn larval cold tolerance does not predict the northern range limit of a widespread butterfly species
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Modeling of species distribution models for larvae of the Giant Swallowtail butterfly, Papilio cresphontes, revealed that growing degree‐days and precipitation best predicted the distribution of P. cresPhones, while the cold tolerance variables did not explain much variation in habitat suitability.
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