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Results of Browder Ridge 4th of July Butterfly Count

July 28, 2012    11th year
Compiler: Donald Gudehus, NABA Eugene-Springfield
35 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 72 28 100
Anise Swallowtail 1 5 6
Western Tiger Swallowtail 2 1 3
Pale Swallowtail 8 9 17
Sara's Orangetip 2 4 6
Orange Sulphur 1 0 1
Lilac-bordered Copper 7 9 16
Mariposa Copper 12 0 12
Brown Elfin 2 0 2
Eastern Tailed-blue 1 0 1
Western Tailed-blue 1 5 6
Dotted Blue 4 16 20
Square-spotted Blue 0 3 3
Silvery Blue 3 0 3
Anna's Blue 55 48 103
Boisduval's Blue 13 9 22
Acmon Blue 1 0 1
Hydaspe Fritillary 5 5 10
Pacific Fritillary 14 17 31
Northern Checkerspot 3 0 3
Hoffman's Checkerspot 7 6 13
Field Crescent 6 0 6
Mylitta Crescent 10 0 10
'Snowberry' Variable Checkerspot 53 42 95
Edith's Checkerspot 1 4 5
Hoary Comma 3 3 6
Painted Lady 1 0 1
Lorquin's Admiral 11 0 11
California Sister 1 0 1
Small Wood-nymph 4 0 4
Great Arctic 15 3 18
Silver-spotted Skipper 1 0 1
Persius Duskywing 12 7 19
Common Branded Skipper 2 4 6
Woodland Skipper 3 0 3
SUB-TOTAL INDIVIDUALS 337 228 565
NUMBER OF SPECIES 34 20 35
Copper sp. 3 0 3
Blue sp. 75 75 150
Comma sp. 0 1 1
Speyeria sp. 0 2 2
Duskywing sp. 1 0 1
TOTAL INDIVIDUALS 416 306 722
       
Elegant Sheep moth 0 13 13

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: 7.17 hrs: 10:10 am - 5:20 pm
Weather: 65 - 75° F, full sun, wind 0 - 10 mph

The members of Group 1 were Alison Center (co-leader), Lori Humphreys (co-leader), Dave Stone, Ellie Ryan, John Egan, and Bonnie Richman (recorder).

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. Some members (David Hagen, Dennis Deck, and Magnus Persmark) hiked beyond the meadow and spotted 3 Great Arctics.
Time spent: 5.5 hrs: 11:00 am - 3:30 pm for 7 counters, and 4:30 for 3 counters
Weather: 60 - 75° F, full sun, wind 0 - 15 mph

The members of Group 2 were Lois Hagen (leader and co-recorder),David Hagen, Donald Gudehus, Dennis Deck, Magnus Persmark, Joe Sanders, Deb Jones, Jeem Peterson, Karen Swirsky (co-recorder), and Nils Eddy.



Page design: Donald Gudehus and Neil Björklund.

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