Titiotus tahoe, Platnick & Ubick, 2008

Platnick, Norman I. & Ubick, Darrell, 2008, A Revision of the Endemic Californian Spider Genus Titiotus Simon (Araneae, Tengellidae), American Museum Novitates 3608 (1), pp. 1-36 : 17

publication ID

https://doi.org/ 10.1206/0003-0082(2008)3608[1:AROTEC]2.0.CO;2

DOI

https://doi.org/10.5281/zenodo.5467532

persistent identifier

https://treatment.plazi.org/id/038F87AE-FFAE-FFE8-FF50-FE6DA05E5E58

treatment provided by

Carolina

scientific name

Titiotus tahoe
status

sp. nov.

Titiotus tahoe View in CoL , new species

Figures 32–36 View Figs ; map 2

TYPE: Male holotype taken at an elevation of 6000 ft at Tahoe City, Placer Co. , California (July 10, 1952; W. Gertsch), deposited in AMNH.

ETYMOLOGY: The specific name is a noun in apposition taken from the type locality.

DIAGNOSIS: Males and females have not been collected together but are matched here on the basis of geography; males can easily be recognized by the tibial apophysis consisting of four prongs (fig. 34), females by the thumbshaped median lobe situated posteriorly on the epigynal septum (fig. 35).

MALE: Total length 8. Coloration as in T. californicus . Leg spination: femora: I r1-2-1; II p2-1-1, r1-1-2; III r1-2-2; IV p1-2-1; tibiae: I, II d1-0-1, v4-4-4, r1-1-0; III, IV r0-1-1; metatarsi: I p1-1-0, r0-1-0; II p1-1-0, r1-1-0; III, IV p1-2-2. Embolus expanded prolaterally just beyond base; median apophysis long, with large, subdistal projection; tibial apophysis with four prongs, only two most distal sharing common base (figs. 32–34).

FEMALE: Total length 19. Coloration as in T. californicus . Leg spination: femora: II, III r1-1-2; tibiae: I, II r1-1-0; III r0-1-1; IV p1-0-1; metatarsi: II p1-1-0, r1-1-0; III p1-2-2. Epigynal septum with thumb-shaped median lobe occupying posterior fifth of septum length; posterior ducts oblique (figs. 35, 36).

OTHER MATERIAL EXAMINED: United States: CALIFORNIA: El Dorado Co.: Placerville , Jan. 1995 ( UCR), 13; 5 mi N Pollock Pines, July 6, 1958 (W. Gertsch, V. Roth, AMNH), 13♀ ; Snowline Camp, July 15, 1948 (P. Hurd, AMNH), 13. Nevada Co.: S fork, Yuba River , 8 mi N Nevada City , Aug. 3, 1953 (W., J. Gertsch, AMNH), 5♀ . Placer Co.: Tahoe City , July 10, 1952, elev. 6000 ft (W. Gertsch, AMNH), 13. Yuba Co.: Brown’s Valley , June 28, 2004 (J. Crummett, UCR), 13 .

DISTRIBUTION: Known only from four counties in the Sierras (map 2).

AMNH

American Museum of Natural History

UCR

University of California

V

Royal British Columbia Museum - Herbarium

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Zoropsidae

Genus

Titiotus

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