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