Octoglena claraqua, n. sp. (Polyzoniida: Hirudisomatidae), a new milliped from Idaho, USA; first record of the order from the western interior of North America Author Shelley, Rowland M. Author Richart, Casey H. Author Bogan, Arthur E. text Zootaxa 2010 2446 55 64 journal article 10.5281/zenodo.195063 249c9409-851e-4342-9401-19b3cf4fdeca 1175-5326 195063 Octoglena anura ( Cook, 1904 ) Hypozonium anurum Cook, 1904 :63 , pl. V, figs. 1a–d. Chamberlin, 1911 :262 . Cook and Loomis, 1928 :17 . Chamberlin and Hoffman, 1958 :187 . Kevan, 1983 :2962 . Scudder, 1994 :22 . Octoglena anura : Shelley, 1996 :119 –125, figs. 12–15. Hoffman, 1999 :29 . Habitat: Notations with newly reported samples include "riparian edges of headwater stream, litter and woody debris of Alnus rubra , Picea sitchensis , and Tsuga plicata "; "litter and woody debris among Alnus rubra , Picea sitchensis , Tsuga heterophylla , and Lystichitum americanum "; "litter and woody debris among Acer macrophyllum, Polystichum munitum , and Pseudotsuga menziesii "; "litter and woody debris of Corylus cornuta and Umbellularia californica "; "riparian forest litter of Oplopanax horridum and Rubus spectabilus "; and " Tsuga heterophylla tree farm, Alnus rubra riparian, streamside woody debris." Distribution: The southwest corner of "mainland" BC southward to northern Douglas Co., Oregon, and inland to the western slope of the Cascade Mountains ( Shelley 1996 ). The following unpublished samples are available; CHR denotes samples collected by the second author. When sexes were not determined, the total number of specimens is provided after the institutional acronym. USA : WASHINGTON: Clallam Co ., Olympic Nat. Pk., above W shore of Willoughby L. ( N48° 14' 04.47" , W124° 41' 08.77" ), 21 April 2007 , A. Fusek, CHR (WAS-1). Cowlitz Co ., Germany Cr. Rd., 5 mi ( 8 km ) N WA hwy. 4 ( N46° 15' 15.75" , W123° 08' 02.71" ), 18 September 2008 , C.H. and D. Richart (WAS-1). Grays Harbor Co ., along Moclips Rd. ca. 25 mi ( 40 km ) N US hwy. 101, juv., 6 November 2002 , W.P. Leonard (NCSM). Lewis Co ., Rainbow Falls St. Pk. ( N46° 37' 48.59" , W123° 13' 54.53" ), 2 April 2008 , CHR, W.P. Leonard, S. Derkarabetian (WAS-9); and off logging rd. E of Kjesbu Rd., 0.4 mi ( 0.6 km ) N Flynn Rd. ( N46° 33' 44.98" , W122° 28' 59.36" ), 28 July 2009 , CHR, D. Leavitt (WAS-1). Mason Co ., along Kennedy Cr. ca. 200 ft ( 60 m ) W Old Olympic hwy., 3, ♀, W.P. Leonard (NCSM). Pacific Co ., near Nemah Fish Hatchery ( N46° 30' 14.46" , W123° 50' 30.84" ), 9 May 2007 , CHR (WAS-1); along Trap Cr. Rd., 1.1 mi ( 1.8 km ) S WA hwy. 6 ( N46° 32' 35.07" , W123° 36' 53.59" ), 2 April 2008 , CHR, W.P. Leonard, S. Derkarabetian (WAS-1); and Ellsworth Creek Pres. ( N46° 24' 49.95" , W123° 53' 31.92" ), 2 April 2008 , CHR, W.P. Leonard, S. Derkarabetian (WAS-2). Skamania Co ., Headwater Basin in Rock Cr. watershed ( N45° 42' 51.48" , W121° 55' 39.36" ), 16 August 2005 , CHR (WAS-1). Wahkiakum Co ., along Elochoman Valley Rd., 7.8 mi ( 12.5 km ) N WA hwy. 4 ( N46° 16' 40.31" , W123° 16' 32.83" ), 19 September 2008 , C.H. and D. Richart (WAS-1). OREGON: Benton Co ., Mary's Peak, 23, 19 January 1985 , K.W. Radtke (AMNH). Columbia Co . , along Swedetown Rd., 2.9 mi ( 4.7 km ) S US hwy. 30 ( N46° 04' 46.07" , W123° 09' 06.84" ), 2 April 2008 , CHR, S. Derkarabetian (WAS-1). Coos Co ., Gold and Silver Falls St. Pk. ( N43° 29' 00.58" , W123° 08' 02.81" ), 4 April 2008 , CHR, S. Derkarabetian (WAS-1). Lane Co ., Clark Cr. Organization Camp ( N43° 58' 20.94" , W122° 34' 45.43" ), Willamette National Forest, 1 April 2008 , CHR, S. Derkarabetian (WAS-3). Linn Co ., Monument Peak, ♀, 29 September 1969 , R.L. Westcott, E.M. Fisher (UCD). Multnomah Co ., Portland, 3, ♀♀, juvs., 2 January 1970 , J.S. Buckett (UCD).