Silvery blues are one of twenty species of blues in Montana. With a wingspan reaching just over an inch, they are among our smallest butterflies. Males often congregate around streams and puddles and can be recognized by the iridescent light blue of their upper wing surfaces. Females, more subdued in color, are brown with just a dusting of blue.

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This Field Note was written by Krys Standley. Would you be interested in writing one? Contact Allison De Jong, Field Notes editor, at adejong [at] montananaturalist [dot] org or 406.327.0405. Please visit the Field Notes website at the Montana Natural History Center for more information.