Northwestern Fritillary (Speyeria hesperis)

Widespread across western North America.
Northwestern Fritillary (Speyeria hesperis) Northwestern Fritillary (Speyeria hesperis) #3103
Northwestern Fritillary (Speyeria hesperis)
Mt. Baldy, Missoula Co., MT
26 July 2014

Northwestern Fritillary (Speyeria hesperis) Northwestern Fritillary (Speyeria hesperis) #1001
Speyeria hesperis
Near Condon, Missoula Co., MT
11 July 2014

Northwestern Fritillary (Speyeria hesperis) Northwestern Fritillary (Speyeria hesperis) #7062
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
11 June 2015

Northwestern Fritillary (Speyeria hesperis) Northwestern Fritillary (Speyeria hesperis) #7072
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
11 June 2015

#7914
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
27 June 2015
#7996
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
27 June 2015

#7983
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
27 June 2015
#8000
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
27 June 2015

#8834
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
2 July 2015
#8011
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
27 June 2015

Northwestern Fritillary (Speyeria hesperis) Northwestern Fritillary (Speyeria hesperis) #4022
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
10 Aug 2014

Northwestern Fritillary (Speyeria hesperis) Northwestern Fritillary (Speyeria hesperis) #0602
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
5 July 2014

Northwestern Fritillary (Speyeria hesperis) Northwestern Fritillary (Speyeria hesperis)
#9699
Northwestern Fritillary (Speyeria hesperis)
MPG North near Condon, Missoula Co., MT
12 July 2015
#8948
Northwestern Fritillary (Speyeria hesperis)
MPG North near Condon, Missoula Co., MT
2 July 2015

Northwestern Fritillary (Speyeria hesperis) Northwestern Fritillary (Speyeria hesperis) #8993
Northwestern Fritillary (Speyeria hesperis)
MPG North near Condon, Missoula Co., MT
2 July 2015

Northwestern Fritillary (Speyeria hesperis) Northwestern Fritillary (Speyeria hesperis) #9519
Northwestern Fritillary (Speyeria hesperis)
MPG North near Condon, Missoula Co., MT
12 July 2015

#1738
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
8 Aug 2015

Northwestern Fritillary (Speyeria hesperis)
#1744
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
8 Aug 2015
#1030
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
11 July 2014

#1616
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
8 Aug 2015

Atlantis Fritillary (Speyeria atlantis) Atlantis Fritillary (Speyeria atlantis) #3683
Northwestern Fritillary (Speyeria hesperis)
MPG North near Condon, Missoula Co., MT
4 Aug 2014

This individual leans a bit toward an Atlantis Fritillary but is most likely a Northwestern.


Northwestern Fritillary (Speyeria hesperis)
#9983
Northwestern Fritillary (Speyeria hesperis)
Morrell Lookout, Powell Co., MT
14 July 2015
#3690
Northwestern Fritillary (Speyeria hesperis)
MPG North near Condon, Missoula Co., MT
4 Aug 2014

#8000
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
27 June 2015

Perhaps a male on right and female on left? Or perhaps two phenotypically different males?


Northwestern Fritillary (Speyeria hesperis) #8836
Atlantis Fritillary (Speyeria atlantis), left
Northwestern Fritillary (Speyeria hesperis), right
Near Condon, Missoula Co., MT
2 July 2015

Nice comparison. Note grayish silver areas between the spots in the disc of the Atlantis Fritillary.


Northwestern Fritillary (Speyeria hesperis) Northwestern Fritillary (Speyeria hesperis) #3974
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
10 Aug 2014

Northwestern Fritillary (Speyeria hesperis) Northwestern Fritillary (Speyeria hesperis) #4016
Northwestern Fritillary (Speyeria hesperis)
Near Condon, Missoula Co., MT
10 Aug 2014

#5781
Northwestern Fritillary (Speyeria hesperis)
Rock Creek, El Paso Co., CO
9 July 2016




Below are Northwestern Fritillaries from Utah
Northwestern Fritillary (Speyeria hesperis) Northwestern Fritillary (Speyeria hesperis) #1748
Northwestern Fritillary (Speyeria hesperis)
Wasatch State Park, Wasatch Co., UT
16 July 2014


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Created on ... Aug 6, 2014 | jeffpippen9@gmail.com