A Rare And Cryptic Endemic Of The Central Rocky Mountains, U. S. A: The Distribution Of The Arapahoe Snowfly, Arsapnia Arapahoe (Nelson & Kondratieff, 1988) (Plecoptera: Capniidae) Author Fairchild, Matthew P. , Thomas P. Belcher III & United States Forest Service, 2150 Centre Avenue, Fort Collins, Colorado, 80526, U. S. A. E-mail: mfairchild @ fs. fed. us mfairchild@fs.fed.us Author Belcher Iii, Thomas P. , Robert E. Zuellig & Department of Ecology, Colorado State University, Fort Collins, Colorado, 80523, U. S. A. E-mail: ChipBelcher @ gmail. com ChipBelcher@gmail.com Author Zuellig, Robert E. , Nicole M. K. Vieira & United States Geological Survey, Colorado Water Science Center, Denver, Colorado, 80523, U. S. A. E-mail: rzuellig @ usgs. gov rzuellig@usgs.gov Author Vieira, Nicole M. K. , and Boris C. Kondratieff & Fish, Wildlife, and Conservation Biology, Colorado State University, Fort Collins, Colorado, 80523, U. S. A. E-mail: Nicole. Vieira @ colostate. edu Nicole.Vieira@colostate.edu Author Kondratieff, Boris C. Department of Bioagricultural Sciences and Pest Management, Colorado State University, Fort Collins, Colorado, 80523, U. S. A. E-mail: Boris. Kondratieff @ Colostate. edu Boris.Kondratieff@Colostate.edu text Illiesia 2017 13 4 50 58 journal article http://doi.org/10.5281/zenodo.4761079 97e7f88b-b01e-499f-9074-bd73dd981043 1854-0392 4761079 Arsapnia arapahoe ( Nelson & Kondratieff, 1988 ) http://lsid.speciesfile.org/urn:lsid: Plecoptera .speciesfile.org: TaxonName:465451 Arsapnia arapahoe ( Nelson & Kondratieff ) in Nelson & Kondratieff, 1988: 77 . Holotype , United States National Museum , Elkhorn Creek , Larimer County , Colorado , United States of America . Material Examined: New Records, COLORADOLarimer County , Elkhorn Creek, CO-14 W - 21 miles from United States Highway 287 North, 14- III-2015 , N 40°41'52" W -105°26'26 ", B. Heinold, C. Verdone, 1♂ ; Young Gulch, CO-14 W - 13 miles . from United States Highway 287 North, 12-II-2016 , N 40°41'18" , W -105°20'50" , C. Verdone, Y. Lapotre, 2♂ ; Young Gulch, Colorado Highway 14 West - 13 miles . from United States Highway 287 North, 17- II-2016 , N 40°41'18" , W -105°20'50" , Y. Lapotre, 1♂ ; Twin Cabin Gulch, Buckhorn Road 44H, 10-III- 2017 , 40°34'40", -105°23'13", C. Verdone, 1♂ ; Boulder County , Bear Canyon Creek, Bear Canyon Trail, South of the National Center for Atmospheric Research, 30-I-2015 , N 39°58'31" , W - 105°16'54.1200" , C. Verdone, 1♂ ; Boulder Creek, Boulder Canyon Drive above Jones Hole, 6-III- 2016 , N 40°00'52" , W -105°18'40" , C. Verdone, 1♂ ; Fourmile Creek, Link Trail Crossing, 9-II-2016 , N 40°02'09" , W -105°21'02" , C. Verdone, 2♂ ; Fourmile Creek, Link Trail Crossing, 25-II-2016 , N 40°41'21" , W -105°21'01" , Y. Lapotre, 1♂ ; Keystone Gulch, United States Forest Service land East of Magnolia Road., 4-IV-2016 , N 39°59'58" , W -105°20'59" , Y. Lapotre, 1♂ ; Lost Gulch, Chapman Drive Trailhead, 29-III-2016 , N 40°00'26" , W -105°19'28" , Y. Lapotre, 1♂ ; Tom Davis Gulch, Walker Ranch above confluence with South Boulder Creek, 4-III- 2016 , N 39°56'34" , W -105°20'11" , Y. Lapotre, 2♂ ; Jefferson County , Coal Creek, Colorado State Highway 72, Jefferson County Open Space, 2-III- 2017 , N 39°52'55" , W -105°17'47" , C. Verdone, 1♂ ; Deer Creek, Deer Creek Canyon Road, Jefferson County Open Space, 30-III-2017 , 39°32'35", - 105°9'42", C. Verdone, A. Massaro, 1♂ ; Records from Heinold et al. 2014 : Larimer County , Elkhorn Creek, Colorado Highway 14 West - 21 miles from United States Highway 287 North, 8-III- 2013 , N 40°41'52" W -105°26'26" , T.P. Belcher, 3♂ ; Elkhorn Creek, Colorado Highway 14 West - 21 miles from United States Highway 287 North, 21-III- 2013 , N 40°41'52" W -105°26'26", T.P. Belcher, 1♂ ; Elkhorn Creek, Colorado Highway 14 West - 21 miles from United States Highway 287 North 28-III- 2013 , N 40°41'52" W -105°26'26" , T.P. Belcher, 1♂ ; Elkhorn Creek, Colorado 14 West - 21 miles from United States Highway 287 North, 8-IV-2013 , N 40°41'52" W -105°26'26" , T.P. Belcher, 1♂ ; Elkhorn Creek, Colorado Highway 14 West - 21 miles from United States Highway 287 North, 11-IV-2013 , N 40°41'52" W -105°26'26" , T.P. Belcher, 1♂ ; Elkhorn Creek, Colorado Highway 14 West - 21 miles from United States Highway 287 North, 20-IV-2013 , N 40°41'52" W -105°26'26" , T.P. Belcher, 1♂ ; Elkhorn Creek, CO-14 W - 21 miles from U.S. 287 N, 21-III- 2014 , N 40°41'52" W -105°26'26", T.P. Belcher, 1♂ ; Elkhorn Creek, Colorado Highway 14 West - 21 miles from United States Highway 287 North, 9-IV- 2014 , N 40°41'52" W -105°26'26" , T.P. Belcher, 1♂ ; Sheep Creek, Buckhorn Road, 30-III-2013 , N 40°34'14" , W -105°20'53", B. Heinold, 1♂ ; Sheep Creek, Buckhorn Road, 31-III-2013 , N 40°34'14" , W - 105°20'53" , B. Heinold, 1♂ ; Sheep Creek, Buckhorn Road, 1-IV-2013 , N 40°34'14" , W -105°20'53", C. Verdone, 2♂ ; Sheep Creek, Buckhorn Road, 21-IV- 2013 , N 40°34'14" , W -105°20'53", T.P. Belcher, 1♂ ; Boulder County , Bear Canyon Creek, Bear Canyon Creek Trail, 16-II-2014 , N 39°58'22" , W -105°16'22" , C. Verdone, 1♂ ; Bummer's Gulch, Sugarloaf Road/Millionaire Road, 28-II-2014 , N 40°00'58" , W - 105°21'26" , C. Verdone & D. Fuller, 1♂ ; Central Gulch, Highway 7 (South St. Vrain Dr.), 26-IV-2013 , N 40°10'31" , W -105°20'38" , C. Verdone, 2♂ ; Martin Gulch, Walker Ranch Loop, 27-II-2014 , N 39°56'30" , W -105°18'54" , C. Verdone & D. Fuller, 4♂ ; Tom Davis Gulch, Walker Ranch Park, 14-III-2014 , N 39°56'34" , W -105°20'10" , C. Verdone & D. Fuller, 1♂ .