Results of Browder Ridge 4th of July Butterfly Count

July 23, 2011    10th year
Compiler: Donald Gudehus, NABA Eugene-Springfield
31 species found at 3 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	Group 3 Subtotal	Species Total
Clodius Parnassian	15	3	2	20
Anise Swallowtail		3	2	5
Western Tiger Swallowtail	8	3		11
Pale Swallowtail	21	10	2	33
Sara's Orangetip	11	10	11	32
Lilac-bordered Copper	1			1
Bramble Hairstreak	1			1
Sheridan's Hairstreak	3		9	12
Brown Elfin	1	1	2	4
Nelson's Juniper Hairstreak	7			7
Western Tailed-blue	3	6		9
Spring Azure		3	1	4
Dotted Blue	13	4	1	18
Silvery Blue	10	7	7	24
Anna's Blue		1		1
Boisduval's Blue	17	6	10	33
Hydaspe Fritillary		1	1	2
Pacific Fritillary	49	3	3	55
Hoffman's Checkerspot	4			4
Field Crescent	2			2
'Snowberry' Variable Checkerspot	34	1		35
Edith's Checkerspot			2	2
Satyr Comma		6	1	7
Green Comma	1			1
Hoary Comma	2			2
Lorquin's Admiral	1	1	1	3
California Sister	1			1
Silver-spotted Skipper	18			18
Propertius Duskywing	7	1	2	10
Two-banded Checkered Skipper	3			3
Arctic Skipper	1			1
SUB-TOTAL INDIVIDUALS	234	70	57	361
NUMBER OF SPECIES	25	18	16	31
Blue sp.	44	20	20	84
Comma sp.	1			1
Speyeria sp.	3			3
Duskywing sp.	2			2
Checkered Skipper sp.	2			2
Unknown Butterflies	10			10
TOTAL INDIVIDUALS	296	90	77	463
Elegant Sheep moth		1		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: 7.5 hrs: 9:55 am - 5:30 pm
Weather: 66 - 79° F, full sun, wind 0 - 5 mph

The members of Group 1 were Alison Center (co-leader and recorder), Lori Humphreys (co-leader), Reid Center, Sylvia Maulding, and Linda Gilbert.

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.
Time spent: 5 hrs: 10:30 am - 3:30 pm
Weather: 72 - 76° F, full sun, wind 0 - 5 mph

The members of Group 2 were Lois Hagen (leader and recorder), Donald Gudehus, Pete von Hippel, and Jo von Hippel.

Group 3: Starting from the trailhead at the end of Forest Service Road 35, this group hiked to the top of Cone Peak and returned.
Time spent: 5 hrs: 10:30 am - 3:30 pm
Weather: 72 - 76° F, full sun, wind 0 - 5 mph

The members of Group 3 were David Hagen (leader and recorder) and Dylan Corbin.