Pink-edged Sulphur (Colias interior)

Wide ranging in the northern US and Canada from coast to coast. Also a few Appalachian populations exist. Special thanks to Steve K. and Norbert K. for ID discussions about these sulphurs!
Pink-edged Sulphur (Colias interior)
Washington Co., ME
7 July 2011

Note the strong pink edge, single hindwing eyespot, and lack of post-median hindwing black dots.


Pink-edged Sulphur (Colias interior) Pink-edged Sulphur (Colias interior)
Washington Co., ME
5 July 2011
Washington Co., ME
5 July 2011

Pink-edged Sulphur (Colias interior) Pink-edged Sulphur (Colias interior)
Pink-edged Sulphur (Colias interior)
Parc Regional des Sept-Chutes, Quebec
6 Aug 2005
Pink-edged Sulphur (Colias interior)
Reserva Faunique Mastigouche, Quebec
5 Aug 2005

Pink-edged Sulphur (Colias interior) Pink-edged Sulphur (Colias interior)
Washington Co., ME
5 July 2011


Below are Pink-edged Sulphurs from western Montana
Pink-edged Sulphur (Colias interior) Pink-edged Sulphur (Colias interior)
Pink-edged Sulphur (Colias interior)
Near Condon, Seeley Lake area, Missoula Co., MT
19 July 2013
Thanks to S. Kohler for ID determination.
Pink-edged Sulphur (Colias interior)
Near Condon, Seeley Lake area, Missoula Co., MT
19 July 2013
Thanks to S. Kohler for ID determination.

Pink-edged Sulphur (Colias interior) Pink-edged Sulphur (Colias interior)
Pink-edged Sulphur (Colias interior)
Davis Creek, Missoula Co., MT
3 July 2014
Pink-edged Sulphur (Colias interior)
Davis Creek, Missoula Co., MT
3 July 2014

Pink-edged Sulphur (Colias interior)
Pink-edged Sulphur (Colias interior)
Davis Creek, Missoula Co., MT
7 Aug 2014

Pink-edged Sulphur (Colias interior) Pink-edged Sulphur (Colias interior)
Pink-edged Sulphur (Colias interior)
Near Condon, Seeley Lake area, Missoula Co., MT
11 July 2014
Pink-edged Sulphur (Colias interior)
Near Condon, Seeley Lake area, Missoula Co., MT
11 July 2014

Pink-edged Sulphur (Colias interior) Pink-edged Sulphur (Colias interior)
#7873
Pink-edged Sulphur (Colias interior)
Near Condon, Missoula Co., MT
27 June 2015
#8350
Pink-edged Sulphur (Colias interior)
Mt. Baldy, Missoula Co., MT
30 June 2015

Pink-edged Sulphur (Colias interior) Pink-edged Sulphur (Colias interior)
#8806
Pink-edged Sulphur (Colias interior)
Near Condon, Missoula Co., MT
2 July 2015
#8832
Pink-edged Sulphur (Colias interior)
Near Condon, Missoula Co., MT
2 July 2015

Pink-edged Sulphur (Colias interior) Pink-edged Sulphur (Colias interior)
#8865
Pink-edged Sulphur (Colias interior)
Near Condon, Missoula Co., MT
2 July 2015
#9015
Pink-edged Sulphur (Colias interior)
Near Condon, Missoula Co., MT
2 July 2015

Pink-edged Sulphur (Colias interior)
#8826
Pink-edged Sulphur (Colias interior)
Near Condon, Missoula Co., MT
2 July 2015

Pink-edged Sulphur (Colias interior) Pink-edged Sulphur (Colias interior) #9778
Pink-edged Sulphur (Colias interior)
Near Condon, Missoula Co., MT
12 July 2015

Pink-edged Sulphur (Colias interior) Pink-edged Sulphur (Colias interior) #0038
Pink-edged Sulphur (Colias interior)
Mountain Creek, Powell Co., MT
14 July 2015

Pink-edged Sulphur (Colias interior) Pink-edged Sulphur (Colias interior) #0191
Pink-edged Sulphur (Colias interior)
Mountain Creek, Powell Co., MT
14 July 2015

Queen Alexandra's Sulphur (Colias alexandra astraea) Queen Alexandra's Sulphur (Colias alexandra astraea) Pink-edged Sulphur (Colias interior)
Red Mountain, Lewis & Clark Co., MT
15 July 2015

Pink-edged Sulphur (Colias interior) Pink-edged Sulphur (Colias interior)
Pink-edged Sulphur (Colias interior) egg
Near Condon, Seeley Lake area, Missoula Co., MT
10 Aug 2014
Laid on Dwarf Bilberry (Vaccinnium cespitosum).
Pink-edged Sulphur (Colias interior) egg
Near Condon, Seeley Lake area, Missoula Co., MT
10 Aug 2014
Same egg showing more of the Dwarf Bilberry.

Pink-edged Sulphur (Colias interior)
Pink-edged Sulphur (Colias interior) egg
Near Condon, Seeley Lake area, Missoula Co., MT
10 Aug 2014
Different egg from above
Laid on Dwarf Bilberry (Vaccinnium cespitosum).

Pink-edged Sulphur (Colias interior) Pink-edged Sulphur (Colias interior) egg (middle right side)
Near Condon, Seeley Lake area, Missoula Co., MT
10 Aug 2014
Same egg as immediately above, showing more of the Dwarf Bilberry.

Pink-edged Sulphur (Colias interior) Pink-edged Sulphur (Colias interior)
Near Condon, Seeley Lake area, Missoula Co., MT
10 Aug 2014
Female fluttering over caterpillar food plants, Dwarf Bilberry (Vaccinnium cespitosum).

Pink-edged Sulphur (Colias interior) Pink-edged Sulphur (Colias interior) habitat
Near Condon, Seeley Lake area, Missoula Co., MT
10 Aug 2014


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