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Photo#1341622
Polyphylla sobrina  Casey 1914 - Polyphylla sobrina - male

Polyphylla sobrina Casey 1914 - Polyphylla sobrina - Male
Emerald Bay , Lake Tahoe, El Dorado County, California, USA
June 23, 2013
Size: 41 mm
Large Male with classic sobrina pronotal setae . Taken at 9:00 pm crawling slowly on ground with hand on start of the Cascade Falls Trail and Bayview Trailhead at Emerald Bay at Lake Tahoe ,California Cheers ! Clear , warm, and dry .Gene St. Denis Sierra Nevada Research