Butterfly sighting

Kate Redmond

Location: Spruce Lake Bog State Natural Area
Fond du Lac County

A better day for robber flies than butterflies, and some Halloween Pennants were putting on a show in the grassland. The Black Swallowtail was fabulous - I've never seen one that flew so exuberantly. She was throwing herself at the bergemot.

Promachus vertebratus

Efferia aestuans

Halloween Pennant

Dun Skipper

Black Swallowtail

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