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Photo#966593
Butterfly on Daylily - Papilio cresphontes - female

Butterfly on Daylily - Papilio cresphontes - Female
County Road intersection of D and KK., Buffalo County, Wisconsin, USA
July 27, 2014
Unsual swallowtail with
black upper wings and yellow
under wings. Could it be
an Anise Swallowtail extending
its western range?

Images of this individual: tag all
Butterfly on Daylily - Papilio cresphontes - female Butterfly on Daylily - Papilio cresphontes - female Butterfly on Daylily - Papilio cresphontes - female

Moved
Moved from ID Request.

Check out Giant Swallowtail i
Check out Giant Swallowtail instead. They are expanding all over the place, so why not up by you?

 
Still within range & near host plant
Wisconsin is still within range. In fact, I saw some years ago in Dane Co.

Furthermore, according to the Robert W. Freckmann Herbarium of UWSP, one of their host plants (Zanthoxylum americanum, a.k.a. common prickly-ash) occurs in Buffalo Co.

 
Butterfly on Daylily
I have seen Giant swallowtails once or twice, but this was so much smaller.

 
It's possible than more north
It's possible than more northerly individuals are smaller (reverse of that famous old latitudinal study about smaller and larger animals). The ventral shot sure looks good for Giant Sw.

 
Butterfly on Daylily
Very interesting possibility.
It worried me to think that western butterflies might
possibly move eastward due to climate change.
Thank you for your help.

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