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Results of Browder Ridge 4th of July Butterfly Count

July 15, 2017    16th year
Compiler: Donald Gudehus, NABA Eugene-Springfield
42 species found at 2 sites
15 mile diameter circle is centered at the junction of Forest Development Roads 2655 and 503, Latitude: 44.3158, Longitude: -122.0855

Common Name Group 1
Subtotal
Group 2
Subtotal
Species
Total
Clodius Parnassian 225 15 240
Anise Swallowtail 1 0 1
Western Tiger Swallowtail 5 0 5
Pale Swallowtail 2 8 10
Pine White 0 0 0
Western White 0 0 0
Margined White 1 0 1
Cabbage White 1 0 1
Sara's Orangetip 0 0 0
Orange Sulphur 7 0 7
Queen Alexandra's Sulphur 1 0 1
Blue Copper 2 0 2
Purplish Copper 0 0 0
Lilac-bordered Copper 27 10 37
Mariposa Copper 15 0 15
Golden Hairstreak 0 0 0
Sylvan Hairstreak 0 0 0
Hedgerow Hairstreak 1 0 1
Brown Elfin 0 0 0
Nelson's Juniper Hairstreak 0 0 0
Gray Hairstreak 1 0 1
Eastern Tailed-blue 0 0 0
Western Tailed-blue 2 0 2
Spring Azure 0 0 0
Dotted Blue 14 2 16
Square-spotted Blue 0 0 0
Silvery Blue 3 0 3
Anna's Blue 27 10 37
Greenish Blue 0 0 0
Boisduval's Blue 52 7 59
Acmon Blue 0 0 0
Lupine Blue 1 0 1
Calippe Fritillary 1 0 1
Atlantis Fritillary 1 0 1
Hydaspe Fritillary 18 9 27
Pacific Fritillary 4 3 7
Northern Checkerspot 3 0 3
Hoffman's Checkerspot 5 7 12
Field Crescent 0 0 0
Mylitta Crescent 14 0 14
Variable (Chalcedona) Checkerspot 275 38 313
Edith's Checkerspot 8 8 16
Green Comma 0 0 0
Hoary Comma 2 0 2
California Tortoiseshell 9 0 9
American Lady 1 0 1
Painted Lady 9 2 11
West Coast Lady 3 0 3
Common Buckeye 0 0 0
Lorquin's Admiral 4 0 4
California Sister 2 0 2
Common (Ochre) Ringlet 0 0 0
Great Basin Wood-nymph 1 0 1
Small Wood-nymph 0 0 0
Great Arctic 0 1 1
Silver-spotted Skipper 3 0 3
Propertius Duskywing 1 0 1
Persius Duskywing 2 2 4
Juba Skipper 0 0 0
Common (Western) Branded Skipper 2 3 5
Woodland Skipper 1 1 2
SUB-TOTAL INDIVIDUALS 789 134 923
NUMBER OF SPECIES 41 17 42
Copper spp. 0 0 0
Blue spp. 20 0 20
Lady spp. 0 0 0
Wood Nymph spp. 0 0 0
Skipper spp. 0 0 0
Duskywing spp. 0 0 0
TOTAL INDIVIDUALS 814 134 948
White-lined Sphinx Moth 1 0 1

Group 1: This group did the driving/walking route that starts on Forest Service Road 15 near Blue River Reservoir, proceeds past Mann Creek and Wolf Meadows, then turns onto Roads 2650 (Frissell Ridge) and 1506, passing through the H. J. Andrews Experimentral Forest.
Time spent: 7.33 hrs: 10:10 am - 5:30 pm
Weather: 66 - 72° F, full sun, wind 0 - 5 mph

The members of Group 1 were Alison Center (recorder), Lori Humphreys, and Donald Gudehus.

Group 2: Starting from the trailhead at the end of Forest Service Road 35, this group hiked to the peak of Iron Mountain, and returned.
Start time: 10:45 am
End time: 3:00 pm
Time spent: 4.25 hrs: 10:45 am - 3:00 pm
Weather: 75° F, full sun, wind 0 - 5 mph

The members of Group 2 were David Hagen (recorder), Lois Hagen, Leslie Davis, Mary Briggs, and Nance Silvers.



Page design: Donald Gudehus and Neil Björklund.

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