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  • Euphydryas c. chalcedona + Ochlodes a. agricola (Chalcedon Checkerspots + Rural Skipper) at San Gabriel Mtns, Los Angeles Co, CA, USA, on Thickleaf yerba santa 03-Jun-07
    SD2007_0603_Chalcedon_Checkerspot_31...jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Yarrow 10-Jul-11
    SD2011_0710_Edith's_Checkerspot_8423.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on 10-Jul-11
    SD2011_0710_Edith's_Checkerspot_8253.jpg
  • Euphydryas chalcedona nr olancha (Chalcedon Checkerspot) at Sherman Pass, Tulare Co, CA, USA, on Bitter dogbane 14-Jun-21
    SD2021_0614_Chalcedon_Checkerspot_14...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) ♀ at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on Golden yarrow 10-Jun-07
    SD2007_0610_Chalcedon_Checkerspot_34...jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Winter cress 17-Jun-12
    SD2012_0617_Edith's_Checkerspot_3968.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Siberia Creek Trail, San Bernardino Co, CA, USA, on 10-Jul-11
    SD2011_0710_Edith's_Checkerspot_8683.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Yarrow 10-Jul-11
    SD2011_0710_Edith's_Checkerspot_8444.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Yarrow 10-Jul-11
    SD2011_0710_Edith's_Checkerspot_8432.jpg
  • Euphydryas chalcedona nr olancha (Chalcedon Checkerspot) at Sherman Pass, Tulare Co, CA, USA, on Bitter dogbane 14-Jun-21
    SD2021_0614_Chalcedon_Checkerspot_14...jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Winter cress 17-Jun-12
    SD2012_0617_Edith's_Checkerspot_4162.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on 25-Jun-17
    SD2017_0625_Edith's_Checkerspot_2211.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Siberia Creek Trail, San Bernardino Co, CA, USA, on 25-Jun-17
    SD2017_0625_Edith's_Checkerspot_2604.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Winter cress 17-Jun-12
    SD2012_0617_Edith's_Checkerspot_3971.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake, San Bernardino Co, CA, USA, on 17-Jun-12
    SD2012_0617_Edith's_Checkerspot_3855.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Wildhorse Meadows, San Bernardino Co, CA, USA, on 03-Jun-18
    SD2018_0603_Edith's_Checkerspot_3910.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on 25-Jun-17
    SD2017_0625_Edith's_Checkerspot_2220.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Siberia Creek Trail, San Bernardino Co, CA, USA, on 25-Jun-17
    SD2017_0625_Edith's_Checkerspot_2620.jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) ♀ at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on 28-Apr-13
    SD2013_0428_Chalcedon_Checkerspot_30...jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Winter cress 17-Jun-12
    SD2012_0617_Edith's_Checkerspot_4111.jpg
  • Euphydryas chalcedona nr olancha (Chalcedon Checkerspot) at Sherman Pass, Tulare Co, CA, USA, on Bitter dogbane 14-Jun-21
    SD2021_0614_Chalcedon_Checkerspot_14...jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Wildhorse Meadows, San Bernardino Co, CA, USA, on 03-Jun-18
    SD2018_0603_Edith's_Checkerspot_4030.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on 25-Jun-17
    SD2017_0625_Edith's_Checkerspot_2124.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Yarrow 10-Jul-11
    SD2011_0710_Edith's_Checkerspot_8452.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Yarrow 10-Jul-11
    SD2011_0710_Edith's_Checkerspot_8409.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Winter cress 17-Jun-12
    SD2012_0617_Edith's_Checkerspot_3980.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Yarrow 10-Jul-11
    SD2011_0710_Edith's_Checkerspot_8411.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Siberia Creek Trail, San Bernardino Co, CA, USA, on 25-Jun-17
    SD2017_0625_Edith's_Checkerspot_2872.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Winter cress 17-Jun-12
    SD2012_0617_Edith's_Checkerspot_4135.jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on California buckwheat 28-May-17
    SD2017_0528_Chalcedon_Checkerspot_93...jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Siberia Creek Trail, San Bernardino Co, CA, USA, on 10-Jul-11
    SD2011_0710_Edith's_Checkerspot_8680.jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on Golden yarrow 28-May-18
    SD2018_0528_Chalcedon_Checkerspot_28...jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Siberia Creek Trail, San Bernardino Co, CA, USA, on 25-Jun-17
    SD2017_0625_Edith's_Checkerspot_2599.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) ♀ at Siberia Creek, San Bernardino Co, CA, USA, on 17-Jul-16
    SD2016_0717_Edith's_Checkerspot_9370.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Winter cress 17-Jun-12
    SD2012_0617_Edith's_Checkerspot_4024.jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on California buckwheat 14-Jun-09
    SD2009_0614_Chalcedon_Checkerspot_70...jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Yarrow 10-Jul-11
    SD2011_0710_Edith's_Checkerspot_8426.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Yarrow 10-Jul-11
    SD2011_0710_Edith's_Checkerspot_8427.jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Cuddy Creek, Kern Co, CA, USA, on California buckwheat 01-Jul-12
    SD2012_0701_Chalcedon_Checkerspot_72...jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Winter cress 17-Jun-12
    SD2012_0617_Edith's_Checkerspot_4082.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Winter cress 17-Jun-12
    SD2012_0617_Edith's_Checkerspot_4125.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Yarrow 10-Jul-11
    SD2011_0710_Edith's_Checkerspot_8428.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Yarrow 10-Jul-11
    SD2011_0710_Edith's_Checkerspot_8425.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on Yarrow 10-Jul-11
    SD2011_0710_Edith's_Checkerspot_8424.jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Bluff Lake Meadow, San Bernardino Co, CA, USA, on 10-Jul-11
    SD2011_0710_Edith's_Checkerspot_8261.jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Cuddy Creek, Kern Co, CA, USA, on 01-Jul-12
    SD2012_0701_Chalcedon_Checkerspot_72...jpg
  • Euphydryas chalcedona nr olancha (Chalcedon Checkerspot) ♀+♂ at Sherman Pass, Tulare Co, CA, USA, on 10-May-09
    SD2009_0510_Chalcedon_Checkerspot_53...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) ♀+♂ at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on 07-Jun-08
    SD2008_0607_Chalcedon_Checkerspot_15...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on 28-May-17
    SD2017_0528_Chalcedon_Checkerspot_92...jpg
  • Euphydryas chalcedona nr olancha (Chalcedon Checkerspot) ♂ at Sherman Pass, Tulare Co, CA, USA, on 13-May-07
    SD2007_0513_Chalcedon_Checkerspot_28...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) ♀+♂ at Big Tujunga Canyon, Los Angeles Co, CA, USA, on California buckwheat 07-Jun-09
    SD2009_0607_Chalcedon_Checkerspot_66...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on California buckwheat 14-Jun-09
    SD2009_0614_Chalcedon_Checkerspot_70...jpg
  • Euphydryas chalcedona hennei (Chalcedon Checkerspot) ♀ at Cactus Spring, Riverside Co, CA, USA, on 15-Apr-11
    SD2011_0415_Chalcedon_Checkerspot_29...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on 14-Jun-09
    SD2009_0614_Chalcedon_Checkerspot_71...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on Golden yarrow 26-May-13
    SD2013_0526_Chalcedon_Checkerspot_37...jpg
  • Euphydryas chalcedona nr olancha (Chalcedon Checkerspot) at Sherman Pass, Tulare Co, CA, USA, on 13-Jul-19
    SD2019_0713_Chalcedon_Checkerspot_81...jpg
  • Euphydryas chalcedona nr olancha (Chalcedon Checkerspot) at Sherman Pass, Tulare Co, CA, USA, on 10-Jun-18
    SD2018_0610_Chalcedon_Checkerspot_55...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on California buckwheat 14-Jun-09
    SD2009_0614_Chalcedon_Checkerspot_70...jpg
  • Euphydryas editha nubigena (Cloud-born Checkerspot) at Bald Mtn., Tulare Co, CA, USA, on 03-Jul-08
    SD2008_0703_Cloud-born_Checkerspot_2...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on California buckwheat 28-May-17
    SD2017_0528_Chalcedon_Checkerspot_93...jpg
  • Euphydryas chalcedona hennei (Chalcedon Checkerspot) at Cactus Spring, Riverside Co, CA, USA, on 15-Apr-11
    SD2011_0415_Chalcedon_Checkerspot_29...jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Wildhorse Meadows, San Bernardino Co, CA, USA, on 03-Jun-18
    SD2018_0603_Edith's_Checkerspot_3840.jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on 17-Jun-07
    SD2007_0617_Chalcedon_Checkerspot_37...jpg
  • Euphydryas chalcedona hennei (Chalcedon Checkerspot) at Cactus Spring, Riverside Co, CA, USA, on 15-Apr-11
    SD2011_0415_Chalcedon_Checkerspot_26...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Dark Canyon, Los Angeles Co, CA, USA, on 26-Apr-15
    SD2015_0426_Chalcedon_Checkerspot_63...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on 14-Jun-09
    SD2009_0614_Chalcedon_Checkerspot_71...jpg
  • Euphydryas chalcedona hennei (Chalcedon Checkerspot) at Cactus Spring, Riverside Co, CA, USA, on 15-Apr-11
    SD2011_0415_Chalcedon_Checkerspot_28...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Big Tujunga Canyon, Los Angeles Co, CA, USA, on California buckwheat 07-Jun-09
    SD2009_0607_Chalcedon_Checkerspot_67...jpg
  • Euphydryas chalcedona nr olancha (Chalcedon Checkerspot) ♀+♂ at Sherman Pass, Tulare Co, CA, USA, on 10-May-09
    SD2009_0510_Chalcedon_Checkerspot_53...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on Thickleaf yerba santa 17-Apr-08
    SD2008_0417_Chalcedon_Checkerspot_68...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) ♂ at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on California buckwheat 01-Jul-06
    SD2006_0701_Chalcedon_Checkerspot_00...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Dark Canyon, Los Angeles Co, CA, USA, on California thistle 26-Apr-15
    SD2015_0426_Chalcedon_Checkerspot_67...jpg
  • Euphydryas chalcedona nr olancha (Chalcedon Checkerspot) ♂ at Sherman Pass, Tulare Co, CA, USA, on 13-May-07
    SD2007_0513_Chalcedon_Checkerspot_28...jpg
  • Euphydryas editha nubigena (Cloud-born Checkerspot) at Bald Mtn., Tulare Co, CA, USA, on 03-Jul-08
    SD2008_0703_Cloud-born_Checkerspot_2...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on 26-May-13
    SD2013_0526_Chalcedon_Checkerspot_40...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on Golden yarrow 26-May-13
    SD2013_0526_Chalcedon_Checkerspot_39...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on 14-Jun-09
    SD2009_0614_Chalcedon_Checkerspot_71...jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Wildhorse Meadows, San Bernardino Co, CA, USA, on Hoaryleaf ceanothus 03-Jun-18
    SD2018_0603_Edith's_Checkerspot_4252.jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at San Gabriel Mtns, Los Angeles Co, CA, USA, on Golden yarrow 03-Jun-07
    SD2007_0603_Chalcedon_Checkerspot_32...jpg
  • Euphydryas chalcedona nr olancha (Chalcedon Checkerspot) ♀+♂ at Sherman Pass, Tulare Co, CA, USA, on 10-May-09
    SD2009_0510_Chalcedon_Checkerspot_53...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Glendora Ridge, Los Angeles Co, CA, USA, on 02-May-15
    SD2015_0502_Chalcedon_Checkerspot_90...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Sherman Pass, Tulare Co, CA, USA, on Chia 19-May-14
    SD2014_0519_Chalcedon_Checkerspot_80...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on 14-Jun-09
    SD2009_0614_Chalcedon_Checkerspot_70...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on Thickleaf yerba santa 21-May-17
    SD2017_0521_Chalcedon_Checkerspot_86...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Sherman Pass, Tulare Co, CA, USA, on 05-Jun-15
    SD2015_0605_Chalcedon_Checkerspot_58...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on 14-Jun-09
    SD2009_0614_Chalcedon_Checkerspot_71...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on 14-Jun-09
    SD2009_0614_Chalcedon_Checkerspot_71...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) ♀ at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on 28-Apr-13
    SD2013_0428_Chalcedon_Checkerspot_30...jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Wildhorse Meadows, San Bernardino Co, CA, USA, on 03-Jun-18
    SD2018_0603_Edith's_Checkerspot_3772.jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) ♀ at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on 28-Apr-13
    SD2013_0428_Chalcedon_Checkerspot_30...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on Thickleaf yerba santa 24-Jun-09
    SD2009_0624_Chalcedon_Checkerspot_76...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Dark Canyon, Los Angeles Co, CA, USA, on 26-Apr-15
    SD2015_0426_Chalcedon_Checkerspot_66...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) ♀ at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on 28-Apr-13
    SD2013_0428_Chalcedon_Checkerspot_31...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on 26-May-13
    SD2013_0526_Chalcedon_Checkerspot_40...jpg
  • Euphydryas chalcedona nr olancha (Chalcedon Checkerspot) at Sherman Pass, Tulare Co, CA, USA, on 10-Jun-18
    SD2018_0610_Chalcedon_Checkerspot_57...jpg
  • Euphydryas editha augustina (Edith's Checkerspot) at Wildhorse Meadows, San Bernardino Co, CA, USA, on 03-Jun-18
    SD2018_0603_Edith's_Checkerspot_3867.jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at San Gabriel Mtns, Los Angeles Co, CA, USA, on 03-Jun-07
    SD2007_0603_Chalcedon_Checkerspot_33...jpg
  • Euphydryas chalcedona nr olancha (Chalcedon Checkerspot) at Sherman Pass, Tulare Co, CA, USA, on Queen Anne's lace 13-May-07
    SD2007_0513_Chalcedon_Checkerspot_28...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) at Glendora Moutain Road, Los Angeles Co, CA, USA, on Golden yarrow 10-Jun-12
    SD2012_0610_Chalcedon_Checkerspot_38...jpg
  • Euphydryas c. chalcedona (Chalcedon Checkerspot) ♂ at Grizzly Flat, Angeles NF, Los Angeles Co, CA, USA, on California buckwheat 01-Jul-06
    SD2006_0701_Chalcedon_Checkerspot_00...jpg
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