Octoglena bivirgata Wood, 1864

Shelley, Rowland M., Richart, Casey H. & Bogan, Arthur E., 2010, Octoglena claraqua, n. sp. (Polyzoniida: Hirudisomatidae), a new milliped from Idaho, USA; first record of the order from the western interior of North America, Zootaxa 2446, pp. 55-64 : 61

Octoglena bivirgata Wood, 1864

Octoglena bivirgata Wood, 1864:186 ; 1865:229–230, figs. 58–59. Bollman, 1893:117, 187. Shelley, 1996:112 –119, figs. 3, 6–11; 2002b:92. Hoffman, 1999:29.

Euzonium crucis Chamberlin, 1950:1 –2. Chamberlin and Hoffman, 1958:187. Buckett, 1964:29. Hypozonium arnaudi Chamberlin, 1954:233 . Buckett, 1964:29.

Habitat. Octoglena bivirgata was common in "madrone and bay duff" in Marin Co.

Distribution. The southwestern corner of Oregon (coastal Curry Co.) southward to central Santa Cruz Co., California, extending inland to the eastern slope of the Coast Range in western Colusa Co. The following new records are available; the initials, "BG," signify samples collected by J.S. Buckett and M.R. Gardner, who initiated research on California and western North American millipeds in the 1960s:

CALIFORNIA: Marin Co., Sam P. Taylor St. Pk., ♀, 27 March 1971, M.R. Gardner (UCD); 8 mi (12.8 km) E Marshall, 3, ♀, 12 November 1962, J.S. Buckett (UCD); 1 and 2 mi (1.6 and 3.2 km) SE Inverness, 33, 3♀, juv., 12 November 1961 and 5 May 1971, P.D. Ashlock, R. Hislop (UCB); Lagunitas, 3, ♀♀, juvs., 9 January 1965, BG (UCD); and Liberty Gulch nr. Alpine Lake., 3, ♀, 17 and 19 April 1971, E.I. Schlinger (UCB). Mendocino Co., 1 and 5 mi (1.6 and 8 km) NE Mendocino, 3, ♀♀, 1 July and 22 December 1964, BG (UCD); Mendocino, 23, 4♀, 31 January 1965, J.S. Buckett (UCD); 17 mi (27.2 km) E Ft. Bragg, 3♀, 23 December 1964, BG (UCD); and Russian Gulch St. Pk., 3, 21 December 1964, BG, J.R. Helfer (UCD). Santa Cruz Co., Ben Lomond, 63, 5♀, 2 juvs., 22 January 1955, D. Burdick, M. Wasbauer (UCB); 7.5 mi (12 km) S Los Gatos, 3, ♀, 23 February 1963, Irwins, Vesterby, R.L. Westcott (UCD); and 5 mi (8 km) NW Loma Prieta, 3, 2♀, 6 juvs., 29 December 1966, M.R. and R.C. Gardner (UCD). Shasta Co., N of Hazel Cr., 33, 10♀, 3 juvs., 26 June 1954, R. O. Schuster, B.J. Adelson (UCB); 8 mi (12.8 km) S Dunsmuir, 53, 2♀, 3 juvs., 23 November 1954, R. O. Schuster, E.E. Gilbert (UCB); and 18 and 21 mi (28.8 and 33.6 km) W Redding, 53, 13♀, juv., 21 December 1966, BG (UCD). Sonoma Co. , 6 mi (9.6 km) SSE Santa Rosa, along Bennett Valley Rd., 3, 26 November 1964, J.S. Buckett (UCD); 6 mi (9.6 km) NW Cloverdale, 23, 3 juvs., 24 December 1964, J.S. Buckett (UCD); 10 mi (16 km) NE Santa Rosa, 3, ♀, juv., 22 November 1965, J.S. Buckett (UCD); Salt Point St. Pk., ♀, 29 March 1980, D. Ubick (CAS); and 1.5 mi (2.3 km) N Healdsburg, 31 January 1991, D. Ubick, W. Savory, K. Dabney (CAS). Trinity Co., 11 mi (17.6 km) E Douglas City, 23, 2♀, 2 juvs., 11 July 1954, R. O. Schuster, E.E. Gilbert (UCB); and 2.5 mi (4 km) NW Weaverville, 3, ♀, 21 December 1964, BG (UCD).