![Black Swallowtail [Papilio polyxenes] on thistle | by Fred Roe](http://live.staticflickr.com/775/21608535869_5235916b6a.jpg)
Black Swallowtail [Papilio polyxenes] on thistle
Peace Valley Park
Doylestown, PA
1,640
views
37
faves
10
comments
Uploaded on September 28, 2015
Taken on September 4, 2015
Black Swallowtail [Papilio polyxenes] on thistle
Peace Valley Park
Doylestown, PA
1,640
views
37
faves
10
comments
Uploaded on September 28, 2015
Taken on September 4, 2015