Cybaeus penedentatus Bennett

Bennett, Robb, Copley, Claudia & Copley, Darren, 2021, Cybaeus (Araneae: Cybaeidae): the consocius species group of the Californian clade, Zootaxa 4965 (3), pp. 401-436: 417

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Cybaeus penedentatus Bennett


Cybaeus penedentatus Bennett  

Figs 42–54 View FIGURES 42–45 View FIGURES 46–51 View FIGURES 52–54 , 56 View FIGURES 55–58 , 84 View FIGURE 84

Bennett in Copley et al. 2009: 386, figs 67–78. World Spider Catalog 2021

Type material examined. U.S.A.: California: Holotype male. Santa Clara County, 2 miles north of Holy City, Highway 17, 6.xii.1966, V. D. Roth & Ferguson ( CAS)   . Paratypes: Specimens and locality data as in Copley et al. (2009).

Other material examined. U.S.A.: California: Monterey. 2♀, San Juan Grade Rd. , 5.i.1997, D. Ubick ( CAS); Santa Cruz. 2♀, Felton, 24.ii.1985, V   . D. Roth & B. Roth ( CAS)   .

Diagnosis. Both sexes of C. penedentatus   are distinctive and unlikely to be confused with any of the other species in the consocius   group. The male is diagnosed by its elongate patellar apophysis (as long as the width of the patella) with very few peg setae ( Fig. 43 View FIGURES 42–45 ) as well as the posteriorly directed basal flange, longitudinal ventral keel, and acuminate slightly twisted tip of the proximal arm of the tegular apophysis ( Figs 44–45 View FIGURES 42–45 ). The female is diagnosed primarily by the very small, transverse, medially located atrium ( Figs 46–47, 49–50 View FIGURES 46–51 , 52 View FIGURES 52–54 ) and secondarily by the membranous copulatory ducts extending contiguously or in close proximity from the atrium to the anterior margin of the vulva before diverging and heading laterally and posteriorly to merge with the spermathecal heads and stalks ( Figs 47–51 View FIGURES 46–51 , 53–54 View FIGURES 52–54 ).

Description. See Copley et al. (2009).

Distribution. Coastal central California west of San Francisco Bay south to Monterey Bay in San Mateo, Santa Clara and Santa Cruz Counties ( Fig. 86 View FIGURE 86 ). The holotype, the single known male specimen of C. penedentatus   , was collected in December.


Royal British Columbia Museum - Herbarium


California Academy of Sciences