A review of the spider genus Iberina (Araneae, Hahniidae) Author Růžička, Vlastimil text Zootaxa 2022 2022-05-06 5133 4 555 566 journal article 55620 10.11646/zootaxa.5133.4.6 96c2cd2e-67c5-4dba-bceb-c9f26ab44eee 1175-5326 6531114 D5A2B700-CF8E-4103-8DF4-A373F50AB838 Iberina mazarredoi Simon, 1881 Figs. 3A , 4A , 5A . Iberina mazarredoi Simon, 1881 — Simon 1881 : p. 127 (descr. ♂ ♀ ). I. mazarredoi — Ledoux (2014) : p. 32 , Figs. 6A–D ( ♂ ♀ ). I. mazarredoi — Fernández-Pérez et al. (2014) : p. 80 , Figs. 7–9 ( ♂ ♀ ). Material examined. SPAIN : Cantabria , S. Roque de Riomiera , Sima PO-153, 12 Nov 2016 , 1 ♂ , leg. C. Prieto , M. Gutiérrez and J. A. Noriega ( FC-ZUPV , No. 4194) • Bizkaia, Galdames, Sima Escachabel-2, 30 Nov 2014 , 1 ♀ , leg. C. Prieto and A. Calvo ( FC-ZUPV , No. 2654) . Description. ♀ (from Galdames, Spain ). CW 0.54 mm . The carapace is pale yellow, and the abdomen is a pale whitish grey. Leg measurements: I: 2.25 (0.66, 0.22, 0.52, 0.44, 0.41); II: 2.14 (0.64, 0.21, 0.47, 0.42, 0.40); III: 1.96 (0.56, 0.20, 0.41, 0.42, 0.37); IV: 2.55 (0.72, 0.21, 0.59, 0.58, 0.45). The vulva has two pairs of small spermathecae, far in the front of the epigastric fold ( Fig. 5A ). ♂ (from S. Roque de Riomiera , Spain ): The tibial apophysis starts with a conical narrowing of the tibia and has cuttings ( Fig. 3A ). The tip of the cymbium is rounded and the embolus makes about three turns around the bulbus ( Fig. 4A ) . Ecology. Exclusively in caves. Geographic distribution. Endemic to a limited territory in the Basque-Cantabrian Region ( Spain ) and in the western part of the Pyrenees Mts. ( France ) ( Fernández-Pérez et al. 2014 ).