Caterpillar foods: plants in the Pea family (Leguminosae)

These butterflies are commonly seen flying over alfalfa fields, and clustering in damp spots in the gravel at the edge of roads.

8/26/2010

7/26/2010   One day there were hundreds of these butterflies along the roadsides.  Mike took a video of one cluster as a car drove by.

7/26/2010  It’s difficult to see the tops of their wings – they rest with wings together.  But this photo has one that was flying in or out, so the “clouded” edge is visible.

8/20/2022  On Butterflyweed

10/9/2022  on New England Aster

5/6/2010  A very green individual

11/5/2006  A very late butterfly