Paruroctonus borregoensis borregoensis Williams
Figs. 1-2, 5-8, 14, 17-18, 27
Pamroctom~bso rregoensis Williams 1972:3, 5-6, 7, fig. 2, tbl. 2, 1976:2, 1980:33, 34-35, 41, 117,
figs. 35D, 36B, 37C, 41, this. 5, 6; Soleglad 1972:74, 1973:355, tbl. 2; not Polis and Farley
1979a:38,4 1, 1979b:526( = P. luteolus); not Polis 1980:27( = P. luteolus); not Polis et al. 1981:
310, 311,317 (= P. lureolus).
Diagnosis.-A subspecies ofP. borregoensis differentiated by: 13-19 pectinal teeth in
males, 8-12 in females; metasomal segment V with eight to 11 (usually eight) pairs
ventrolateral setae.
Comparisons: P. borregoensis actites has 20-23 pectinal teeth in males, 13-15 in
females; usually seven pairs of ventrolateral setae on metasomal segment V.
Variation.-Pectinal teeth numbered fewer than 19 in 96% of the males, and fewer
than 12 in 92% of the females.
Distribution.-Fig. 27. Extreme southem San Bemardino County, California, southward
(excluding the Coachella Valley) along Colorado River into Yuma County, Arizona,
and northwestern Sonora; Borrego Desert, California, southward into extreme northeastern
Baja California Norte.
Specimens examined.-U.S.A.: CALIFORNIASa; n Bernardino County, Clarks Pass, 27 mi. E
Twentynine Palms, 3 September 1972 (R. M. Haraden, J. L. Marks), 21 males, 1 female (CAS), Clarks
Pass, April 1972 (R. M. I-Iaradon, J. L. Marks), 2 males (CAS);Riverside County’, approx. 26.9 mi. N
Desert Center, 6 May 1972 (R. M. Haradon, J. L. Marks), 1 male, 1 female (CAS), 8.2 mi. N Desert
Center, 29 April 1973 (R. M. I-Iaradon, J. L. Marks), 1 male, 1 female (CAS);lmperialCountyP, aleverde,
23 July 1967 (Iv[. A. Cazier, J. Davidson), 2 females (CAS), Paloverde, 16 March 1976 (M.
Cazier, O. F. Francke), 4 females (OFF), 8 mi. E Bonds Corner, 6 October 1967 (M. A. Cezier et al.),
2 males, 3 females (CAS), 9 mi. E Bonds Comer, 6 October 1967 (M. A. Cazier et al.), 1 male (CAS),
l0 mi. W Glamis, 1 May 1976 O. Bigelow), 1 female (OFF), 8 mi. W Glamis, 14 October 1967 (M.
Cazier et al.), 1 male, 4 females (CAS), 13 mi. W Winterhaven, 18 March 1976 (M. A. Cazier, O.
Francke), 1 female (OFF); San Diego County, Boxrego Valley, N. end Digiorgio Rd., 4 May 1968 (M.
A. Cazier, R. Smoot), 8 males, 7 females (CAS), Borrego State Park, 19 April 1969 (R. R. Pinger,
Wasbauer), 1 male, 1 female (CAS), Borrego Valley, Bortego Springs dump, 5 May 1968 (M. Cazier,
Smoot), 2 males, 1 female (CAS), BormgoV alley, 2 mi. WP egleg Men., 4 May1 968 (M. A. Cazier,
Smoot), 1 male (CAS), E Borrego Springs along Pegleg Rd., 21 April 1973 (R. M. Hatadon, J.
Marks), 13 males, 17 females (CAS),E Bortego Springs along Salton Seawaya t jct. Font’s Point Wash,
21 April 1973 (R. M. Haradon, J. L. Marks), 11 males, 28 females (CAS), EBormgSo prings between
dump and Pegleg Smith Men., 31 October 1980 (S. C. Williams), 1 male, 2 females (CAS), 6 mi.
Borrego Springs, 7 October 1967 (M. A. Cazier et al.), 7 males, 7 females (CAS), 6 mi. NE Bortego
Springs, 7 October 1967 (M. A. Cazier et al.), 14 males, 1 female (CAS), 13 mi. NE Bottego Springs,
October 1967 (M. A. Cazier et aL), 19 males, 5 females (CAS): ARIZONAYu; maC ounty’, San Luis,
22 July 1967 (M. A. Cazier et al.), 2 females (CAS), 3 mi. E Imperial Dam, 14 July 1969 (D. Johnson,
J. Bigelow), 1 female (OFF), 10 mi. E Yuma, 31 July 1967 (M. A. Cazier, J. Davidson), 2 females
(OFF), 6 mi. E Tacna, MohawkS and Dunes, 24 September 1970 (W. Fox, J. Bigelow), 3 females
(OFF), 4 mi. SWM ohawkH wy., 11 July 1970 (W, K. Fox), 3 males, 3 females (OFF). México:
SONOR6A.5; mi. N Puerto Pefiasco, 3 June 1968 (M. A. Cazier et al.), 1 male, 1 female (CAS),5
N El Golfo, 5 June 1968 (M. A. Cazier), 1 male (CAS), Cholla Bay, near Puerto Pefiasco, 11 November
1966 (S. C. Williams), 1 male (CAS); BAJAC ALIFORNINAO RTEN; end Laguna Salada, 31 March
1969 (S. C. Williams), 1 male (CAS).