Bidentogon californicus ( Chamberlin, 1918 )

Shelley, Rowland M., 2003, A new polydesmid milliped genus and two new species from Oregon and Washington, U. S. A., with a review of Bidentogon Buckett and Gardner, 1968, and a summary of the family in Western North America (Polydesmida: Polydesmidae), Zootaxa 296 (1), pp. 1-12 : 10-11

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) .