Rārangi ihirangi: :: Library Catalog

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Ngā taipitopito rārangi puna kōrero
Ngā kaituhi matua:	Gardini, Giulio, Gardini, Pietro
Hōputu:	Recurso digital
Reo:
I whakaputaina:	Zenodo 2026
Ngā marau:	Biodiversity Taxonomy Animalia Arthropoda Arachnida Pseudoscorpiones Neobisiidae Roncus Roncus magrinii
Urunga tuihono:	https://doi.org/10.5281/zenodo.19196789
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Rārangi ihirangi:

Roncus magrinii sp. nov.(Figs 67–76, 114)Type locality: Italy, Sicily, Trapani Province, Custonaci, Monte Cofano, Grotta della Clava 8073 Si/TP (38°06’20”N 12°40’04”E).Distribution. Italy (Sicily).Diagnosis (&male; &female;). A large highly troglomorphic Roncus that differs from other Sicilian species of the genus in the following combination of characters: carapace without eyes or eye spots, with triangular epistome apically rounded, posterior border with 6 setae; tergite I with 6 setae; cheliceral palm with 6 setae; pedipalpal femur granulate, chelal hand with a moderately granular surface, patella almost smooth, with very weak graininess; pedipalpal femur slender club-shaped, 1.59–1.79 mm length (6.17–6.43 ×), without tubercles on the paraxial face; patella 1.49–1.68 mm (4.54–4.74 ×), club/pedicel ratio = 1.10–1.17; chelal hand with no microsetae both proximal to the trichobothrium eb and between eb-esb; fixed and movable chelal fingers with 114–120 and 102–108 teeth, respectively; 31–33 teeth between the trichobothrium t and the apex of the movable chelal finger; movable chelal finger 1.52–1.63 mm length; ratio of movable chelal finger/hand of chela with pedicel 1.12–1.23; ratio of pedipalpal femur/movable chelal finger 1.00–1.10; ratio of pedipalpal femur/carapace 1.42–1.56.Type material. ITALY — Sicily: Trapani Province: 1&male; (holotype, not treated with lactic acid), Custonaci, Monte Cofano, Grotta della Clava 8073 Si/TP, 455 m a.s.l., 21.III.2017, P. Magrini leg. (MHNG); Paratypes: 2&male; 1&female; 2T 1D, same data as holotype (MHNG); 2&male; 3&female; 1T, same data as holotype but 20.III.2019, P. Magrini leg. (coll. G. Gardini, Genoa).Non-type material examined. ITALY — Sicily: Trapani Province: 1&male;, Custonaci, Monte Palatimone, Grotta P5 n.c., 28.VI.1994, I. Galletti leg.; 1T, San Vito Lo Capo, Riserva Naturale Zingaro, Grotta del Sughero 8092 Si/TP, 239 m a.s.l., 17.III.2008, P. Magrini leg.; 1&female; 1D, id., III.2010, P. Magrini leg.Derivatio nominis. Named in honour of Paolo Magrini (Florence), entomologist and biospeleologist, for his valuable contribution to the knowledge of the Italian subterranean fauna.Description of adults (&male; &female;). Carapace, chelicerae, pedipalps and palpal coxae red-brown; pedipalpal femur granulate, chelal hand with moderately granular surface, patella almost smooth, with very weak graininess, pleural membrane granulate. Carapace 1.52–1.75 (&male; &female;) times as long as broad, anterior margin with triangular epistome apically blunt, weak subbasal transverse furrow present; no eyes or eye spots (Fig. 67); anterior lateral process slightly obtuse, not prominent; chaetotaxy 4:8:6:6, subocular setae absent. Chaetotaxy of tergites I–X (&male; &female;): 6– 7:9:9–11:11:11:11–12:11–12:11:10–12:9–10. Chaetotaxy of sternites II–X (&male;): 14–18:(3–4)14–18(3–4):(3–4)8– 9(3–4):12–14:12–13:12–13:12–13:12–13:11, lateral and median genital sacs not seen, genital atrium with 2+2 setae; chaetotaxy of sternites II–X (&female;): 9:(4)14(4):(3)9(3):13:13:13:13:13:11. Chelicera (Fig. 68) 2.03–2.13 (&male; &female;) times as long as broad, palm with 6 setae; fixed and movable cheliceral finger with 14–16 and 13–14 teeth, respectively; movable finger with the largest tooth just distad gs; gs ratio 0.68–0.76, spinneret barely noticeable in both sexes; rallum with one short proximal blade and 7 (8 in a female) longer blades, all blades anteriorly combed; serrulae interior and exterior with about 27 and 35 blades, respectively. Manducatory process with 3 setae. Coxal setae (&male; &female;): pedipalp 7, I 6, II 6–7, III 5, IV 7; anterolateral process of coxa I stubby and pointed, anteromedial process not prominent, rounded (Fig. 69). Pedipalp (Figs 70, 72–76): trochanter dorsally smooth, 3.19–3.32 (&male;) or 3.15–3.22 (&female;) times as long as broad, with 2–3 small tubercles with lyrifissure on antiaxial face; femur 6.27–6.43 (&male;) or 6.17– 6.23 (&female;) times as long as broad, gradually enlarged from the base, tubercles on the paraxial face absent, granulation as in figs 70, 74; patella almost smooth, with very weak graininess, 4.60–4.74 (&male;) or 4.54–4.58 (&female;) times as long as broad, with one weak dorso-distal tubercle with glandular pore and one micropore at base of dorsal face of pedicel; club/pedicel ratio of patella 1.10–1.12 (&male;) or 1.16–1.17 (&female;); chela with pedicel 5.46–5.54 (&male;) or 5.20–5.48 (&female;) times as long as broad [5.91–5.97 (&male;) or 5.53–5.74 (&female;) times as long as deep]; hand of chela with pedicel 2.59–2.65 (&male;) or 2.52–2.68 (&female;) times as long as broad [2.80–2.87 (&male;) or 2.68–2.81 (&female;) times as long as deep], with long oval profile and its maximum width in the middle (dorsal view), granulation as in figs 72–73, 75–76; chelal hand with a tubercle with a glandular pore on the antiaxial face close to the movable finger base; microsetae between the trichobothria eb and esb and microsetae proximal eb absent (Figs 73, 76); fixed chelal finger with 114–116 (&male;) or 116–120 (&female;) contiguous and weakly pointed teeth; nodus ramosus subterminal; movable chelal finger with 102–107 (&male;) or 108 (&female;) teeth (6–7 teeth occupying 0.1 mm) with flat apex, apart from the distals which are pointed (Figs 73, 76); 31–33 teeth between the trichobothrium t and the apex of the movable finger; marginal sensillum at the level of the trichobothrium sb; all teeth with dental canals; trichobothria as in figs 72–73, 75–76, relative position of trichobothria along chelal axis (&male; &female;): et 0.11–0.13/ it 0.19–0.21/ est 0.25 –0.28/ ist 0.415–0.43/ isb 0.68–0.70/ ib 0.85– 0.88/ esb 0.91–0.93/ eb 0.95–0.98/ t 0.21–0.23/ st 0.37–0.40/ sb 0.63–0.68/ b 0.87–0.88; trichobothrium isb closer to ib than to ist, trichobothrium est halfway between t and st or closer to t; ratio of movable chelal finger and hand of chela with pedicel 1.16–1.23 (&male;) or 1.12–1.20 (&female;); ratio of pedipalpal femur/movable finger 1.00–1.05 (&male;) or 1.04–1.10 (&female;); ratio of pedipalpal femur/carapace 1.53–1.56 (&male;) or 1.42–1.54 (&female;). Leg IV (Fig. 71): trochanter 2.38–2.52 (&male;) or 2.76–2.79 (&female;) times as long as deep, femur + patella 4.43–4.71 (&male;) or 4.74–4.91 (&female;) times as long as deep, tibia 9.46–9.51 (TS = 0.48– 0.58) (&male;) or 9.67–10.20 (TS = 0.50–0.53) (&female;), basitarsus 3.83–4.18 (TS = 0.18) (&male;) or 3.70– 3.72 (TS = 0.15–0.16) (&female;), telotarsus 8.11–8.22 (TS = 0.47–0.49) (&male;) or 6.63–7.26 (TS = 0.45–0.47) (&female;) times as long as deep; ratio of basitarsus/telotarsus 0.59–0.68 (&male; &female;), subterminal seta furcate, claws with dorsal tooth.Measurements. Body length 4.1–4.4 (&male;) or 4.3–4.4 (&female;). Carapace 1.07–1.13 × 0.66–0.67 anteriorly (&male;) or 1.12–1.16 × 0.64–0.76 anteriorly (&female;). Chelicera 0.64–0.67 × 0.30–0.32 (&male;) or 0.63–0.69 × 0.31–0.34 (&female;); movable finger length 0.43–0.44 (&male;) or 0.415–0.46 (&female;). Pedipalp: trochanter 0.83–0.88 × 0.26–0.265 (&male;) or 0.805–0.92 × 0.255 –0.285 (&female;); femur 1.63–1.77 × 0.26–0.275 (&male;) or 1.59–1.79 × 0.255–0.29 (&female;); patella 1.56–1.66 × 0.34–0.35 (&male;) or 1.49–1.68 × 0.325–0.37 (&female;); chela with pedicel 2.69–2.84 × 0.485–0.52 (depth 0.45–0.48) (&male;) or 2.60–2.96 × 0.50–0.54 (depth 0.47–0.515) (&female;); hand with pedicel length 1.26–1.38 (&male;) or 1.26–1.45 (&female;); movable finger length 1.55–1.61 (&male;) or 1.52–1.63 (&female;). Leg IV: trochanter 0.50–0.53 × 0.21 (&male;) or 0.53–0.58 × 0.19–0.21 (&female;); femur + patella 1.33–1.39 × 0.295–0.30 (&male;) or 1.40–1.47 × 0.285–0.31(&female;); tibia 1.38–1.42 × 0.145–0.15 (&male;) or 1.33–1.50 × 0.13–0.155 (&female;); basitarsus 0.46 × 0.11–0.12 (&male;) or 0.41–0.50 × 0.11– 0.135 (&female;); telotarsus 0.73–0.74 × 0.09 (&male;) or 0.69–0.73 × 0.095–0.11 (&female;).Description of tritonymph. Pedipalps red-brown pale; pedipalpal femur and chelal hand with weakly granulate surface, patella almost smooth, pleural membrane granulate. Carapace 1.60–1.70 times as long as broad, no eyes or eye spots; anterior margin of carapace with barely noticeable epistome; chaetotaxy 4:8:6:6, subocular setae absent. Chaetotaxy of tergites I–X: 6:8:10:10:10–11:10–12:11:11:10–11:9. Chaetotaxy of sternites II–X: 2–3:(2)8– 9(2):(2)8(2):12–13:12–13:12:12–13:12–13:9–10. Chelicera 2.00–2.04 times as long as broad, palm with 6 setae; fixed finger with about 15 teeth; movable finger with 12–14 teeth, the largest just distad gs; gs ratio 0.69–0.72, spinneret slightly prominent; rallum with one short proximal blade and 6 longer blades, all blades anteriorly combed. Manducatory process with 3 setae. Coxal setae: pedipalp 7–8, I 6, II 6, III 4–5, IV 5–6; anterolateral process of coxa I prominent and pointed, anteromedial process rounded. Pedipalp: trochanter 2.48–2.55 times as long as broad; femur barely granulate, 5.05–5.08 times as long as broad, with one tubercle proximally the half of the antiaxial face; patella with smooth surface, 3.55–3.66 times as long as broad; chela with pedicel 4.42–4.56 times as long as broad; hand of chela with pedicel 2.08–2.09 times as long as broad, weakly granulate, without microsetae between the trichobothria eb and esb, microsetae proximal eb absent; fixed chelal finger with 82–84 contiguous and pointed teeth; nodus ramosus subterminal; movable chelal finger with 79–80 teeth, of which 34–35 between the trichobothrium t and the apex of the finger; marginal sensillum proximal to the trichobothrium st or closer to b than to st or halfway between b–st; all teeth with dental canals; relative position of trichobothria along chelal axis: et 0.16–0.18/ it 0.28/ est 0.32 –0.34/ ist 0.47–0.475/ ib 0.81–0.82/ esb 0.85–0.87/ eb 0.91–0.95/ t 0.31–0.32/ st 0.54/ b 0.84– 0.86; ratio of movable chelal finger and hand of chela with pedicel 1.25–1.31; ratio of pedipalpal femur/movable finger 1.01–1.03; ratio of pedipalpal femur/carapace 1.14–1.24. Leg IV: trochanter 2.13 times as long as deep, femur + patella 4.00–4.32 times as long as deep, tibia 7.0–7.3 times (TS = 0.43–0.47), basitarsus 3.12–3.23 times (TS = 0.18–0.20), telotarsus 5.41–5.73 times as long as deep (TS = 0.32–0.40), ratio of basitarsus/telotarsus 0.58–0.59, subterminal seta furcate, claws with dorsal tooth.Measurements. Body length 2.8–3.0. Carapace 0.81–0.82 × 0.46–0.51 anteriorly. Chelicera 0.43–0.46 × 0.21– 0.23; movable finger length 0.285–0.31. Pedipalp: trochanter 0.46–0.51 × 0.185–0.20; femur 0.94–1.01 × 0.185– 0.20; patella 0.80–0.88 × 0.225–0.24; chela with pedicel 1.55–1.66 × 0.34–0.375 (depth 0.32–0.35); hand with pedicel length 0.71–0.78; movable finger length 0.93–0.98. Leg IV: trochanter 0.31–0.32 × 0.145–0.15; femur + patella 0.80–0.84 × 0.185–0.21; tibia 0.73–0.77 × 0.10–0.11; basitarsus 0.25–0.275 × 0.08–0.085; telotarsus 0.43–0.46 × 0.075 –0.085.Short description of deutonymph. Pale integuments. Carapace 1.57 times as long as broad, no eyes or eye spots; anterior margin of carapace with barely noticeable epistome; chaetotaxy 4:6:6:6. Chaetotaxy of tergites I–X: 6:7:6–7:7:7:7:7:7:7:7. Chaetotaxy of sternites II–X: 0:(1)4(1):(1)6(1):10:9:9:9:9:9. Chelicera 1.90–1.93 times as long as broad, palm; with 5 setae fixed and movable cheiceral fingers with about 13 and 15 teeth, respectively, gs ratio 0.63–0.64, spinneret slightly prominent; rallum with one short proximal blade and 5 longer blades, all blades anteriorly combed. Manducatory process with 3 setae. Coxal setae: pedipalp 5, I 5, II 5, III 3, IV 5; anterolateral process of coxa I prominent. Pedipalp: trochanter 2.30–2.48 times as long as broad; femur 3.93–4.07 times as long as broad; patella 2.91–3.03 times as long as broad; chela with pedicel 4.00–4.25 times as long as broad; hand of chela with pedicel 1.74–1.77 times as long as broad, microsetae proximal eb absent; fixed chelal finger with 54–55 teeth; movable chelal finger with 58–65 teeth, 35–39 teeth between the trichobothrium t and the apex of the finger; marginal sensillum just distal the trichobothrium b, at the 7 th to 8 th tooth level; relative position of trichobothria along chelal axis: et 0.245–0.26/ it 0.385–0.42/ est 0.44 –0.47/ ist 0.52–0.55/ ib 0.86/ eb 0.90/ t 0.44–0.45/ b 0.82–0.84; ratio of movable chelal finger/hand of chela with pedicel 1.38–1.52; ratio of pedipalpal femur/movable finger 0.88–0.94; ratio of pedipalpal femur/carapace 0.97. Leg IV: trochanter 2.0–2.1 times as long as deep, femur + patella 3.58– 3.61 times as long as deep, tibia 5.17–5.71 times (TS = 0.43–0.48), basitarsus 2.46–2.58 times (TS = 0.18–0.23), telotarsus 5.25–5.50 times as long as deep (TS = 0.35–0.40), ratio of basitarsus/telotarsus lengths 0.45–0.47.Measurements. Body length 1.85–2.1. Carapace 0.63 × 0.40 anteriorly. Chelicera 0.30–0.33 × 0.155 –0.175; movable finger length 0.19–0.22. Pedipalp: trochanter 0.30–0.36 × 0.13–0.145; femur 0.55–0.61 × 0.135 –0.155; patella 0.44–0.495 × 0.145–0.17; chela with pedicel 1.00–1.06 × 0.235 –0.265 (depth 0.22–0.25); hand with pedicel length 0.41–0.47; movable finger length 0.625–0.65. Leg IV: trochanter 0.21–0.22 × 0.10–0.11; femur + patella 0.47–0.52 × 0.13–0.145; tibia 0.40–0.44 × 0.07–0.085; basitarsus 0.155–0.16 × 0.06–0.065; telotarsus 0.33–0.34 × 0.06–0.065.Remarks. Roncus magrinii sp. nov., together with Roncus bavierai sp. nov. and Roncus nicolosii sp. nov. is the species of subterranean Roncus from Sicily with the highest degree of troglomorphism. Roncus magrinii sp. nov. is easily distinguishable from Roncus bavierai sp. nov. from the Madonie (see Remarks under this species) but is morphologically close to Roncus nicolosii sp. nov. from the Hyblean Plateau. It differs from the latter in the following characters: eyes absent (reduced to white spots in Roncus nicolosii sp. nov.), pedipalpal femur without tubercles on the paraxial face (with 3–4 tubercles in Roncus nicolosii sp. nov.), microsetae between trichobothria esb–eb absent (1–3 microsetae in Roncus nicolosii sp. nov.), and more slender pedipalpal segments (&male; &female;): femur 6.17–6.43 times as long as broad (5.48–5.96 × in Roncus nicolosii sp. nov.), patella 4.54–4.74 × (3.68–3.95 × in Roncus nicolosii sp. nov.), chela with pedicel 5.20–5.54 × (4.16–5.05 × in Roncus nicolosii sp. nov.), chelal hand with pedicel 2.52–2.68 × (2.09–2.39 × in Roncus nicolosii sp. nov.).

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