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Results of Browder Ridge 4th of July Butterfly Count

July 16, 2016    15th 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 98 49 147
Western Tiger Swallowtail 22 3 25
Pale Swallowtail 40 2 42
Pine White 0 1 1
Mustard White 1 0 1
Western White 1 0 1
Sara's Orangetip 3 0 3
Blue Copper 15 3 19
Purplish Copper 0 2 2
Lilac-bordered Copper 15 1 16
Mariposa Copper 10 0 10
Hedgerow Hairstreak 4 0 4
Spring(Echo) Azure 6 0 6
Anna's (Northern) Blue 13 8 21
Boisduval's Blue 22 4 26
Acmon Blue 1 0 1
Dotted Blue 4 0 4
Silvery Blue 1 2 3
Atlantis Fritillary 2 0 2
Hydaspe Fritillary 10 5 15
Pacific Fritillary 18 16 34
Northern Checkerspot 4 0 4
Hoffman's Checkerspot 10 13 23
Field Crescent 5 1 6
Mylitta Crescent 6 0 6
Chalcedona (Variable) Checkerspot 100 48 148
Edith's Checkerspot 6 46 52
Green Comma 1 0 1
Hoary Comma 1 0 1
Painted Lady 2 0 2
West Coast Lady 1 0 1
Lorquin's Admiral 12 1 13
California Sister 2 0 2
Great Basin Wood-nymph 3 0 3
Great Arctic 4 0 4
Pacuvius Duskywing 1 0 1
Persius Duskywing 20 0 20
Arctic Skipper 1 1 2
Juba Skipper 0 1 1
Common Branded Skipper 3 6 9
Woodland Skipper 1 14 15
SUB-TOTAL INDIVIDUALS 473 227 700
NUMBER OF SPECIES 39 21 42
Blue spp. 7 6 13
Fritillary spp. 11 0 11
Comma spp. 3 0 3
Skipper spp. 2 0 2
Unknown sp. 1 0 1
TOTAL INDIVIDUALS 497 241 738
       

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: 7.5 hrs: 10:33 am - 5:50 pm
Weather: 60 - 82° F, partly cloudy, wind 0 - 5 mph

The members of Group 1 were Alison Center (leader and co-recorder), Rosalie Hammond, Magnus Hammond, Steve Horthway, Neil Bjorklund (co-recorder), and Lori Humphreys.

Group 2: Starting from the trailhead at the end of Forest Service Road 35, this group hiked to the peak of Iron Mountain, then returned.
Time spent: 5.00 hrs: 10:30 am - 3:30 pm
Weather: 55 - 65° F, partly cloudy, wind 0 - 5 mph

The members of Group 2 were David Hagen (co-leader and co-recoreder) and Lois Hagen (co-leader), Dennis Deck (co-recorder), Rick Ahrens, Elaine Sedlack, and Yukjko Cox.

Total number of party (Groups 1 + 2) miles on foot: 8.



Page design: Donald Gudehus and Neil Björklund.

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