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Image of Bumba lennoni Pérez-Miles, Bonaldo & Miglio 2014
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Bumba lennoni Pérez-Miles, Bonaldo & Miglio 2014

Description

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Male (holotype, MPEG 983): Total length 34.00, carapace length 17.50, width 14.75 Anterior eye row procurved, posterior recurved. Eyes sizes and interdistances: AME 0.42, ALE 0.66, PME 0.38, PLE 0.42, AME-AME 0.42, AME-ALE 0.36, PME-PME 1.32, PME-PLE 0.24 ALE-PLE 0.18, OQ length 0.98, width 2.94, clypeus 0.56. Fovea transverse, straight, width 2.06. Labium length 1.90, width 2.80, with 58 cuspules, maxillae with 218 cuspules in a triangular group with base on the proximal edge. Sternum length 7.75, width 6.63, posterior sigillae submarginal. Chelicerae with 12/11 promarginal teeth (5 to 8/9 from distal tip, smaller); a group 29/30 very small proximal teeth, behind promarginal ones. Tarsi I–IV densely scopulate, scopula I–III entire, IV divided by a narrow line of longer conical setae. Metatarsi I scopulate on distal half, II scopulate on distal third, III scopulate on distal fourth and IV apically scopulate. Tibia I with two prolatero-ventral, distal, unequal apophysis (Figs 1–2). Flexion of metatarsus I between both branches of the tibial apophysis. Palpal organ piriform (Figs 10–11), in Fig. 11 TA detailed; with distal ring-shaped keel (Fig. 12), perpendicular to major axis (Figs 3–4). Palpal tibia with a setose retrolateral process (Fig. 8); setae thick. Length of leg and palpal segments, in Table 1. Spination: Femora I, 3P; II, 3P, 1R; III, 4P, 3R; IV, 2P, 2R; palp, 1P. Patellae I, 1P, II, 0; III, 0; IV, 0; palp, 0. Tibiae I, 3P, 5R, 4V; II, 2P, 1R, 9V; III, 2P, 3R, 10V, 1D; IV, 5P, 9R, 12V, 2D; palp, 3P, 3V. Metatarsi I, 1P, 2R, 2V; II, 2P, 2R, 6V; III, 5P, 9R, 6V; IV, 6P, 8R, 14V; Tarsi I–IV and palp, 0. Color: Cephalothorax (Fig. 6) and legs reddish brown, abdomen light brown with central patch of urticating setae darker (Fig. 7). Type III (Fig. 13) and type IV urticating hairs present. PMS well developed, PLS normal, apical segment digitiform. Length of legs and palpal segments of holotype male Bumba lennoni. I II III IV Palp Fe 16.13 15.00 13.25 16.50 7.88 Pa 8.75 8.63 6.88 7.25 5.25 Ti 13.63 12.50 10.25 13.63 6.88 Mt 13.50 13.38 15.88 21.13 ----- Ta 7.75 6.63 7.75 7.88 2.75 Total 59.76 56.14 54.01 66.39 22.76 Variation (range (mean ± standard deviation)): Total length 34.00–36.13 (35.20±0.93), carapace length 16.37–17.50 (17.02±0.51), width 14–15.25 (14.60±0.46). AME 0.40–0.64 (0.49±0.095), ALE 0.60–0.68 (0.64±0.04), PME 0.38–0.44 (0.40±0.02), PLE 0.40–0.44 (0.43±0.02), AME-AME 0.28–0.42 (0.33±0.06), AME-ALE 0.24–0.36 (0.30±0.06), PME-PME 1.08–1.32 (1.21±0.09), PME-PLE 0.04–0.24 (0.10±0.08), ALE-PLE 0.12–0.24 (0.19±0.04), OQ length 0.96–1.08 (1.00±0.046), width 2.20–2.94 (2.44±0.29), clypeus 0.56 (0.56±0.03). Fovea width 1.60–2.06 (1.93±0.31). Labium length 1.63–2.25 (1.91±0.22), width 1.75–2.80 (2.44±0.42).Sternum length 6.88–7.75 (7.25±0.34), width 5.5–6.63 (6.10±0.43). Legs: I 51.62–59.76 (56.22±2.47), II 49.63–56.14 (52.73±2.37), III 46.88–54.01 (49.80±2.62), IV 59.13–66.39 (62.53±2.69), palp 19.63–22.76 (21.58±1.22). Female (Paratype, MPEG 19039): Total length 43.00, carapace length 20.38, width 16.63. Anterior eye row procurve, posterior row straight. Eye sizes and interdistances: AME 0.53, ALE 0.65, PME 0.44, PLE 0.56, AME-AME 0.44, AME-ALE 0.34, PME-PME 1.50, PME-PLE 0.19, ALE-PLE 0.25, OQ length 1.13, width 2.81, clypeus 0.84. Fovea width 2.28. Labium length 2.31, width 3.34, with 60 cuspules, maxillae with 264 cuspules. Sternum length 8.13, width 7.5, posterior sigillae submarginal (Fig. 9). Chelicerae with 14/13 promarginal teeth (from distal to proximal, 6/10 small, 7/6 to 13/10 medium sized); A basal group of 61/63 very small teeth, behind large ones. Tarsi densely scopulate, scopulae I–III entire, IV divided by a band of longer conical setae. Metatarsi I scopulate on distal half, II on distal third, III on apical fourth and IV without scopula. Length of leg and palpal segments in Table 2. Spination: Femora I, 2P; II, 1P; III, 1P,1D; IV, 1D; palp, 1P. Patellae I–II, 0, III, 1P; IV and palp, 0. Tibiae I, 1P, 5V; II, 1P, 5V; III, 2P, 2R,7V; IV, 2R, 5V; palp, 4P, 3V. Metatarsi: I, 3V; II, 1P, 5V; III, 2P, 6R,7V; IV, 2P, 4R, 11V. Tarsi I–IV and palp, 0. Color: Carapace and legs as in male, abdomen dark brown. Type III, IV (Figs 14–15) urticating hairs present, type IV modified, short with few (3–4) barbs. PMS slightly smaller than in male; PLS as in male. Spermathecae with two wide sub-spheric distal receptacles, very sclerotized, with a short neck with a narrow part sclerotized and a wide membranous area (Fig. 5). Length of legs and palpal segments of paratype female Bumba lennoni. I II III IV Palp Fe 14.50 13.75 12.63 16.13 10.00 Pa 9.25 8.63 7.25 7.63 6.25 Ti 11.75 10.25 9.13 12.00 7.75 Mt 9.50 9.63 12.88 19.00 ----- Ta 6.00 5.38 5.75 6.00 6.13 Total 51 47.64 47.64 60.76 30.13 Variation (range (mean ± standard deviation)): Total length 26.25–43.00 (31.50±7.80), carapace length 16.50–20.38 (18.00±1.68), width 13.37–16.63 (14.72±1.41). AME 0.40–0.56 (0.48±0.08), ALE 0.60–0.72 (0.66±0.05), PME 0.36–0.44 (0.40±0.03), PLE 0.56 (0.46±0.07), AME-AME 0.24–0.44 (0.34±0.10), AME-ALE 0.34 (0.29±0.10), PME-PME 1.50 (1.22±0.21), PME-PLE 0.19 (0.77±0.49), ALE-PLE 0.25 (0.22±0.03), OQ length 1.00–1.13 (1.08±0.06), width 2.16–2.81 (2.42±0.28), clypeus 0.56–0.84 (0.69±0.12). Fovea width 1.92–2.56 (2.24±0.26). Labium length 1.75–2.31 (2.05±0.27), width 2.50–3.34 (2.71±0.43). Sternum length 6.88–8.13 (7.32±0.59), width 6.38–7.5 (6.75±0.51). Legs: I 38.25–51.00 (42.50±5.95), II 35.25–47.64 (40.94±5.30), III 35.88–47.64 (40.76±5.23), IV 46.63–60.76 (52.50±6.29), palp 24.50–30.13 (26.94±2.53).
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Fernando Pérez-Miles, Alexandre Bragio Bonaldo, Laura Tavares Miglio
bibliographic citation
Pérez-Miles F, Bonaldo A, Miglio L (2014) Bumba, a replacement name for Maraca Pérez-Miles, 2005 and Bumba lennoni, a new tarantula species from western Amazonia (Araneae, Theraphosidae, Theraphosinae) ZooKeys (448): 1–8
author
Fernando Pérez-Miles
author
Alexandre Bragio Bonaldo
author
Laura Tavares Miglio
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