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| Format: | Recurso digital |
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Zenodo
2022
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| Online Access: | https://doi.org/10.5281/zenodo.6554447 |
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- <p><b><i>Sadala tabatinga</i> spec. nov.</b></p><p>Figs 62–71, 89</p><p><i>Sadala keyserlingi</i> Simon, 1880: 323 (only 2 female syntypes, misidentification, ex MNHN 2459).</p><p><b>Type material.</b> <b>Holotype: BRAZIL: <i>Amazonas</i>:</b> ♀, Tabatinga, Comando de Fronteira do Solimões, 8 o Batalhão de Infantaria (-4.2458, -69.9233), 4 November 2016, L.S. Carvalho leg. (CHNUFPI 2454). <b>Paratype: COLOMBIA:</b> 1♀, Río Suarez (no specific locality), 11–17 August 1946, no leg. (AMNH).</p><p><b>Additional material examined.</b> <b>BRAZIL: <i>Amazonas</i>:</b> 2♀, Tefé [‑3.3667, ‑64.7000], no date (ex MNHN 2459).</p><p><b>Etymology.</b> The specific name refers to the type locality; noun in apposition.</p><p><b>Diagnosis.</b> Females of <i>S. tabatinga</i> <b>spec. nov.</b> resemble those of <i>S. keyserlingi</i> (Figs 27–29) by the vulva with FW dilated, at least three times wider from CO to first turn than between first and second turns (Fig. 63). They are distinguished from the latter species by the epigyne with slightly pear-shaped MS (Figs 62) (triangular in <i>S. keyserlingi</i>). Males are unknown.</p><p><b>Description, Female (holotype):</b> Total length 15.3. Prosoma: 6.6 long, 6.2 wide. Opisthosoma: 8.5 long, 4.7 wide. Eyes: diameters: 0.55, 0.40, 0.35, 0.40; interdistances: 0.35, 0.30, 0.65, 0.72, 0.40, 0.35. Legs: I: absent; II: 31.1 (9.0, 3.5, 8.1, 8.2, 2.3); III: 22.2 (6.7, 2.7, 5.7, 5.5, 1.6); IV: 23.9 (7.5, 2.7, 6.3, 5.6, 1.8). Spination follows the generic pattern except patellae I–IV: d0. Epigyne: EF slightly wider than long; MAB embedded in EF; MS almost two times longer than wide, widest medially, slightly constricted anteriorly; TP slightly wider than long; LL touching posteriorly (Figs 62, 68). Vulva: FW posteriad; GP as wide as long, arising from ducts at second turn; SP irregularly rounded; FD antero laterad (Figs 63–64, 69).</p><p><b>Male:</b> Unknown.</p><p><b>Variation.</b> Females (n = 4): total length 15.3–18.5; prosoma length 6.6–7.5; femur I length 8.3–8.9. Epigyne: MS slightly shorter, less than two times longer than wide; TP slightly anterior to posterior margin (Figs 65, 70). Vulva: internal ducts with FW more dilated covering second turn and GP (Figs 66–67, 71).</p><p><b>Distribution.</b> Northwestern South America, in Colombia and Brazil (Amazonas) (Fig. 89).</p>