April 11, 2024;1895 2 butterflies – male (top) female (bottom) of Papilio polyxenes, eastern black swallowtail butterfly, throughout North America. - Museum of Biodiversity (Photo by Barbara Johnston/University of Notre Dame)

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April 11, 2024;1895 2 butterflies – male (top) female (bottom) of Papilio polyxenes, eastern black swallowtail butterfly, throughout North America. - Museum of Biodiversity (Photo by Barbara Johnston/University of Notre Dame)

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Keywords:

Museum of Biodiversity
butterflies
Papilio
polyxenes
eastern
black
swallowtail
butterfly