Painted Lady (Vanessa cardui) on Onion.Painted Lady (Vanessa cardui) on Onion

Painted Ladies on a Rubber Rabbit Brush at North Sterling Reservoir.  Part of the large 2017 Fall migration.

West Coast Lady Butterfly (Vanessa annabella) on Musk Thistle.West Coast Lady Butterfly ((Vanessa annabella) on Musk Thistle

Monarch Butterfly (Danaus plexippus) on Musk Thistle.Monarch Butterfly (Danaus Plexippus) on Musk Thistle

Monarch Butterfly (Danaus plexippus) on Swamp Milkweed.Monarch Butterfly on Swamp Milkweed

Viceroy (Limenitis archippus) on Teasel.  I know it looks like a Monarch, but it isn’t.  Notice the horizontal lines crossing the vertical lines near the bottom of the two lower wings.  Fewer white spots at the edges of the wings as well.  This butterfly also likes milkweed.

Queen Alexander’s Sulphur Butterfly ( Colias alexandra) on Fogfruit.Queen Alexander's Sulphur Butterfly on Fogfruit

Dainty Sulphur (Natalis Iole) on Rabbitbrush.

Pink-Edged Sulphur Butterfly (Colias interior) on Rocky Mountain Bee Plant.Pink-Edged Sulphur Butterfly (Colias interior) on Rocky Mountain Bee Plant

Grizzled Skipper (Pyrgus centaureae) (Probably)

Common Checkered Skipper Butterfly (Pyrgus communis) on Bird Foot Deer Vetch.

Common Checkered Skipper Butterfly (Pyrgus communis) on a Bird Foot Deer Vetch

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