A Revision of the Endemic Californian Spider Genus Titiotus Simon (Araneae, Tengellidae) Author Platnick, Norman I. Author Ubick, Darrell text American Museum Novitates 2008 2008-04-09 3608 1 1 36 http://www.bioone.org/perlserv/?request=get-abstract&doi=10.1206%2F0003-0082(2008)3608%5B1%3AAROTEC%5D2.0.CO%3B2 journal article 10.1206/0003-0082(2008)3608[1:AROTEC]2.0.CO;2 0003-0082 5389369 Titiotus heberti , new species Figures 47–51 ; map 1 TYPES : Male holotype and female allotype from Wilsonia , Kings Canyon National Park , Tulare Co. , California ( Sept. 13, 1959 ; W. Gertsch , V . Roth ) , deposited in AMNH. Figs. 47–51. Titiotus heberti , new species . 47. Left male palp, prolateral view. 48. Same, ventral view. 49. Same, retrolateral view. 50. Epigynum, ventral view. 51. Same, dorsal view. ETYMOLOGY: The specific name is a patronym in honor of Mr. Blaine Hebert, assiduous collector of these and other Californian spiders. DIAGNOSIS: Males resemble those of T. tulare in having a large, wide dorsal prong on the tibial apophysis, but differ in having a distally narrower middle prong (fig. 49); females differ from those of T. tulare in having a posteriorly wider epigynal septum (fig. 50). MALE: Total length 12. Coloration as in T. californicus . Leg spination: femora: I p0-3-1, r1-2-1; II r1-2-1; IV p1-2-1; tibiae: I, II d1-0-1, r1-1-0; III r1-0-1; metatarsi: I p1-0-0, r1-1-0; III p1-2-2. Embolus twisted near base, distally wide; median apophysis with subdistal and retrolateral projections; middle prong of tibial apophysis bifid, with subequal branches, dorsal prong large, wide, flattened (figs. 47– 49). FEMALE: Total length 17. Coloration as in T. californicus . Leg spination: femora: I p0-3- 1, r1-2-1; II r1-2-1; III r1-1-2; IV p1-2-1; patella III p0-0-0; tibiae I, II r1-1-0; metatarsi III, IV p1-2-2. Epigynal septum wide, with posteromedian bulge occupying most of septal width; posterior ducts oblique, arched (figs. 50, 51). OTHER MATERIAL EXAMINED: United States : CALIFORNIA : Fresno Co. : Cedar Grove , Kings River Canyon , July 16, 1952 , elev. 4633 ft (W. Gertsch , AMNH ), 8♀ , July 5, 1956 , elev. 4633 ft (W., J. Gertsch , AMNH ), 23, 6♀ ; Hume Lake , Dec. 17, 1984 (K. Walker , CAS ), 1♀ ; Lily Pond , 2 mi W Wishon Lake , Oct. 31, 1982 , in sandy soil (M. Marshall , CAS ), 1♀ ; Ranger Station , Kings River , Kings Canyon National Park , June 17, 1969 , in house ( M. Zardus , CAS ), 13; Shaver Lake , July 15, 1952 ( W. Gertsch , AMNH ), 5♀ , Sept. 12, 1959 ( W. Gertsch , V . Roth , AMNH ), 123, 3♀ ; vicinity Wishon Resv. , July 2–6, 1969 (D. Marqua , MET ), 13, 2♀ , May 28–June 14, 1972 (M. Thompson , MET ), 2♀ . Kern Co. : Cedar Creek Camp Ground , 0.25 mi N Highway 155, Greenhorn Mountains , 35 ° 44.44 9 N, 118 ° 35.54 9 W, Aug. 25, 2006 , on wall of old mine shaft in steep, rocky canyon side near stream, conifer-oak forest, elev. 5000 ft (B. Hebert , W. Icenogle , WRI ), 1♀ , Aug. 26, 2006 (matured Sept. 4, 2006 ), on ceiling at mouth of old mine shaft in steep, rocky canyon side stream nearby conifer-oak forest, elev. 5000 ft (B. Hebert , W. Icenogle , WRI ), 1♀ , Aug. 26, 2006 (matured Sept. 8, 2006 ), on base of tree near stream in steep-sided canyon, conifer-oak forest, elev. 5000 ft (B. Hebert , W. Icenogle , WRI ), 1♀ , Aug. 26, 2006 (matured Dec. 9, 2006 ), on side of big rock near stream in steep-sided canyon, conifer-oak forest, elev. 5000 ft ( B. Hebert , W. Icenogle , WRI ), 13. Madera Co. : Cascadel Woods , T 8S,R 23E,S16, July 1–3, 1983 ( J. Aotok , CAS ), 13; Coarsegold , no date ( Oliva , UCR ), 1♀ , Apr. 21, 2004 (B. Harrigom , UCR ), 1♀ ; Wishon , July 5, 1971 ( D. Marqua , MET ), 13. Mariposa Co. : Foresta Road , Yosemite National Park , 37 ° 42.242 9 N, 119 ° 43.989 9 W, June 15–18, 2003 , pitfalls , elev. 1392 m ( A. Leache , C. Conroy , UCB ), 63. Tulare Co. : Ash Mountain , Sequoia National Park , Apr. 26, 1951 ( E. Schlinger , AMNH ), 13; near Ash Mountain , Sequoia National Park , July 9, 1958 ( W. Gertsch , V . Roth , AMNH ), 13, 5♀ ; 1 mi below Belnap Springs , near Camp Nelson , July 11, 1958 ( W. Gertsch , V . Roth , AMNH ), 23, 2♀ ; Carmoe Crevice , Nov. 3, 1993 ( J. Krejca , CAS ), 13; NE Case Mountain Peak , 36.41790 ° N , 118.7933 ° E , July 14–18, 2003 , dry pitfall , elev. 1691 m ( R . Fisher , AMNH ), 13; NE Case Mountain Peak , 36.41870 ° N , 118.79264 ° E , July 14–18, 2003 , dry pitfall , elev. 1672 m ( R . Fisher , AMNH ), 13; NNE Case Mountain Peak, E of E end of Salt Creek , 36.42059 ° N , 118.79776 ° E , May 2003 , dry pitfall , elev. 1749 m ( R . Fisher , AMNH ), 13 , 36.42083 ° N , 118.79163 ° W , Sept. 2002 , dry pitfall , elev. 1609 m ( R . Fisher , AMNH ), 1♀ ; NW Case Mountain Peak, S of Salt Creek , 36.41871 ° N , 118.81930 ° W , May 2003 , dry pitfall , elev. 1709 m ( R . Fisher , AMNH ), 13; just S Case Mountain Peak , 36.407 ° N , 118.8016 ° E , July 14–18, 2003 , dry pitfall , elev. 1998 m ( R . Fisher , AMNH ), 13; SE Case Mountain Peak , Salt Creek Ridge , 36.39964 ° N , 118.77975 ° W , Sept. 2002 , dry pitfall , elev. 1808 m ( R . Fisher , AMNH ), 13; W Case Mountain Peak , 36.41120 ° N , 118.80909 ° W , July 2002 , dry pitfall , elev. 1951 m ( R . Fisher , AMNH ), 1♀ , 36.41139 ° N , 118.80843 ° W , July 2002 , dry pitfall , elev. 1932 m ( R . Fisher , AMNH ), 1♀ , July 14–18, 2003 , dry pitfall , elev. 1951 m ( R . Fisher , AMNH ), 1♀ ; just W Case Mountain Peak , 36.41139 ° N , 118.80843 ° W , July 14–18, 2003 , dry pitfall , elev. 1932 m ( R . Fisher , AMNH ), 13; Cedar Cave , Redwood Canyon , Kings Canyon National Park , Aug. 16, 1984 , under rock outside cave entrance, elev. 1,600 m ( D. Ubick , CDU ), 1♀ ; Crystal Sequoia Cave , Sequoia National Park , Apr. 16, 1946 (F. Oberhansley , AMNH ), 1♀ , July 26, 1991 (D. Ubick , CDU ), 1♀ ; cave in bank on road to Crystal Cave , Sequoia National Park , Nov. 6, 1949 , in total darkness (A. Lange , AMNH ), 1♀ ; Harry’s Bend Cave , July 10, 2004 (J. Krejca , A. Gluesenkamp , C. Richard , CAS ), 13; Kaweah Power Station #3, Ash Mountain , 40 mi NE Visalia , July 6, 1983 ( D. Burdick , CAS , CDU ), 23, May 9, 1993 (D. Burdick , CAS ), 13, July 2, 1995 (D. Burdick , CAS ), 13; Lindcove , July 13, 1976 , dead on doorstep ( D. Carroll , UCR ), 1♀ ; McIntire Creek , near Camp Nelson , July 11, 1958 ( W. Gertsch , V . Roth , AMNH ), 13, 1♀ ; 5–10 mi on Mineking Road from Three Rivers , July 4, 1956 , elev. 2000–4000 ft ( AMNH ), 13, 4♀ ; Moorhouse Creek , near Camp Nelson , July 11, 1958 ( W. Gertsch , V . Roth , AMNH ), 13 ; 1 mi W Camp Nelson , July 11, 1958 ( W. Gertsch , V . Roth , AMNH ), 2♀ ; Roads End , Kern River , July 3, 1956 ( W. Gertsch , AMNH ), 13; Soda Creek , W Camp Nelson , July 11, 1958 ( W. Gertsch , V . Roth , AMNH ), 23, 2♀ ; Wilsonia , Kings Canyon National Park , Sept. 13, 1959 ( W. Gertsch , V . Roth , AMNH ), 23, 3♀ ; 9 mi N Woodlake , Mar. 22, 1941 (S., D. Mulaik , AMNH ), 13. Tuolumne Co. : Tuolumne , May 2004 , in house ( M. Rauscher , CDU ), 13 . Figs. 52–56. Titiotus tulare , new species . 52. Left male palp, prolateral view. 53. Same, ventral view. 54. Same, retrolateral view. 55. Epigynum, ventral view. 56. Same, dorsal view. DISTRIBUTION: Known only from the Sierras, generally to the south of T. gertschi (map 1).