Bidentogon californicus (Chamberlin, 1918)

Brachydesmus californicus Chamberlin, 1918:9 . Attems, 1940:139. Chamberlin and Hoffman, 1958:64. Buckett, 1964:11.

Bidentogon helferorum Buckett and Gardner, 1968:198­202, figs. 1­7. Shear, 1972:490, figs. 1–3. Hoffman, 1999:438. Shelley, 2002:108. New Synonymy.

Type specimen. Probable male holotype (NMNH) taken by an unknown collector in January 1910 at Stanford, Santa Clara County, California .

Diagnosis. Tibiotarsus tapering distad, apically narrow and acuminate (Shear, 1972, figs. 1­2).

Description. As reported by Buckett and Gardner (1968) for B. helferorum .

Ecology. No habitat information was provided on vial labels in the new samples, but the type specimen of B. helferorum was collected in a pine, oak, and coastal chaparral community (Buckett & Gardner, 1968).

Distribution. Coastal California from Mendocino to Santa Cruz counties including those around San Francisco Bay. New samples are available as follows:

CALIFORNIA: Alameda Co., Berkeley, 4, 20 December 1959, D. D. Linsdale (UCB) and ♂, ♀, 18 December 1946, H. P. Chandler (FSCA); and Oakland, ♂, ♀, 8 February 1953, R. O. Schuster (NMNH) . Marin Co., Stinson Beach, 2♂, 10♀, 24 December 1980, A. K. Johnson (NCSM) ; 1 mi (1.6 km) W Olema, 2♂, 2♀, 28 February 1976, J. T. Doyen (UCB) ; and 2 mi (3.2 km) E Pt. Reyes Station, 2♂, 19 December 1960, J. S. Buckett (NCSM) and ♂, ♀, 25 December 1961, C. W. O’Brien (FSCA) . Mendocino Co., Mendocino, ♂, 2♀, 9 March 1968, J. R. Helfer (UCD) . San Mateo Co., Portola Valley vic., nr. jct. Portola St. & San Gregorio Rd., ♂, 25 June 1961, W. H. Lange (FSCA) . Santa Clara Co., Stanford, campus of Stanford University, ♂, 20 March 1931, collector unknown (NMNH) ; Milpitas, 2♂, 1 February 1928, J. C. Chamberlin (NMNH) ; and Mt. Madonna, ♀, 2 January 1954, collector unknown (FSCA) . Santa Cruz Co., Ben Lomond, ♂, 22 January 1955, D. Burdick, M. Wasbauer (UCB) .