Amblypalpus Mitrofanov & Strunkova 1978
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2025
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| author | Castro, Elizeu B. Tassi, Aline D. Machado, Vinicius B. G. Ochoa, Ronald Beard, Jennifer J. Seeman, Owen D. Lofego, Antonio C. |
| author_facet | Castro, Elizeu B. Tassi, Aline D. Machado, Vinicius B. G. Ochoa, Ronald Beard, Jennifer J. Seeman, Owen D. Lofego, Antonio C. |
| contents | <p><b>Genus <i>Amblypalpus</i> Mitrofanov & Strunkova, 1978</b></p><p><b>Type species:</b> <i>Amblypalpus narsikulovi</i> Mitrofanov & Strunkova, 1978</p><p><b>Diagnosis (adult female)</b></p><p>Palps three-segmented; palp tarsus usually with 1 terminal phanere, or with highly reduced second phanere (<i>narsikulovi</i>). Anterior margin of prodorsum with distinct median forked projection forming a notch, sometimes flanked by lateral projections (<i>masakii</i>, <i>thomissus</i>); dorsal opisthosoma with 7–8 pairs of setae (<i>c3</i>, <i>d1</i>, <i>d3</i>, <i>e1</i>, <i>e3</i>, <i>f3</i>, <i>h1</i> present; <i>c2</i>, <i>d2</i>, <i>e2</i>, <i>f2</i>, <i>h2</i> absent; <i>c1</i> present, or absent in <i>masakii</i>); dorsal setae variable: fine, short (<i>masakii</i>, <i>narsikulovi</i>) or heteromorphic (<i>thomissus</i> with <i>sc1</i>, <i>c1</i>, <i>e1</i> very long, lateral setae thickened). Ventral and genital plates merged together into ventro-genital region (<i>masakii</i>, <i>narsikulovi</i>), or genital plate developed (<i>thomissus</i>); 2 pairs of <i>ps</i> setae (not known for <i>masakii</i>); anal plate membranous with <i>ps2–3</i> inserted longitudinally (<i>narsikulovi</i>, <i>thomissus</i>), or unknown (<i>masakii</i>); setae <i>4a</i> elongate fine (<i>masakii</i>, <i>narsikulovi</i>), or short (<i>thomissus</i>); supernumerary coxal setae <i>4a2</i> present (<i>narsikulovi</i>) or absent (<i>masakii</i>, <i>thomissus</i>), supernumerary coxal setae <i>3a2</i> absent. Trochanter setal formula 1-1-2-1 or unknown (<i>thomissus</i>). Femora formula 4-4-2-2 or 4-4-2-1; femur III seta <i>d</i> present, femur IV seta <i>d</i> present or absent (<i>masakii</i>). Genua formula 3-3-1-0 or 3-3-0-0; genua III with l seta present (<i>narsikulovi</i>) or absent (<i>masakii</i>, <i>thomissus</i>). Tibiae with five setae (<i>lʹʹ</i> present). Femora I–IV, genua I–II, tibiae I–IV usually with seta <i>d</i> and <i>lʹʹ</i> acicular, smooth (<i>narsikulovi</i>, <i>masakii</i>) or unknown (<i>thomissus</i>). Ontogeny of leg setae unknown. Tarsal claws pad-like. Opisthonotal pores present (<i>masakii</i>, <i>narsikulovi</i>) or absent (<i>thomissus</i>).</p><p><b>Remarks.</b> We propose that <i>Amblypalpus</i> includes just three species, <i>A. narsikulovi</i> Mitrofanov & Strunkova (the type species), <i>A. masakii</i> (Ehara & Ueckermann), and <i>A. thomissus</i> (Meyer). The diagnosis of the genus has been modified to exclude the species <i>A. iraniensis</i> and <i>A. thymus</i>, which are here moved to <i>Ueckermannopalpus</i> <b>gen. nov.</b> The three species of <i>Amblypalpus</i> have opisthosomal setae <i>h2</i> absent (Table 1), and the dorsal opisthosoma bearing 7–8 pairs of setae (i.e., <i>c3</i>, <i>d1</i>, <i>d3</i>, <i>e1</i>, <i>e3</i>, <i>f3</i>, <i>h1</i> present; <i>c1</i> present or absent). The absence of setae <i>h2</i> is considered a synapomorphy of the tribe Obuloidini (Beard <i>et al.</i> 2022) and is also observed in the genera <i>Terminalichus</i> Anwarullah & Khan, 1973 and <i>Goodeniacarus</i>.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_15848644 |
| institution | Zenodo |
| language | |
| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Amblypalpus Mitrofanov & Strunkova 1978 Castro, Elizeu B. Tassi, Aline D. Machado, Vinicius B. G. Ochoa, Ronald Beard, Jennifer J. Seeman, Owen D. Lofego, Antonio C. Biodiversity Taxonomy Animalia Arthropoda Arachnida Trombidiformes Tenuipalpidae Amblypalpus <p><b>Genus <i>Amblypalpus</i> Mitrofanov & Strunkova, 1978</b></p><p><b>Type species:</b> <i>Amblypalpus narsikulovi</i> Mitrofanov & Strunkova, 1978</p><p><b>Diagnosis (adult female)</b></p><p>Palps three-segmented; palp tarsus usually with 1 terminal phanere, or with highly reduced second phanere (<i>narsikulovi</i>). Anterior margin of prodorsum with distinct median forked projection forming a notch, sometimes flanked by lateral projections (<i>masakii</i>, <i>thomissus</i>); dorsal opisthosoma with 7–8 pairs of setae (<i>c3</i>, <i>d1</i>, <i>d3</i>, <i>e1</i>, <i>e3</i>, <i>f3</i>, <i>h1</i> present; <i>c2</i>, <i>d2</i>, <i>e2</i>, <i>f2</i>, <i>h2</i> absent; <i>c1</i> present, or absent in <i>masakii</i>); dorsal setae variable: fine, short (<i>masakii</i>, <i>narsikulovi</i>) or heteromorphic (<i>thomissus</i> with <i>sc1</i>, <i>c1</i>, <i>e1</i> very long, lateral setae thickened). Ventral and genital plates merged together into ventro-genital region (<i>masakii</i>, <i>narsikulovi</i>), or genital plate developed (<i>thomissus</i>); 2 pairs of <i>ps</i> setae (not known for <i>masakii</i>); anal plate membranous with <i>ps2–3</i> inserted longitudinally (<i>narsikulovi</i>, <i>thomissus</i>), or unknown (<i>masakii</i>); setae <i>4a</i> elongate fine (<i>masakii</i>, <i>narsikulovi</i>), or short (<i>thomissus</i>); supernumerary coxal setae <i>4a2</i> present (<i>narsikulovi</i>) or absent (<i>masakii</i>, <i>thomissus</i>), supernumerary coxal setae <i>3a2</i> absent. Trochanter setal formula 1-1-2-1 or unknown (<i>thomissus</i>). Femora formula 4-4-2-2 or 4-4-2-1; femur III seta <i>d</i> present, femur IV seta <i>d</i> present or absent (<i>masakii</i>). Genua formula 3-3-1-0 or 3-3-0-0; genua III with l seta present (<i>narsikulovi</i>) or absent (<i>masakii</i>, <i>thomissus</i>). Tibiae with five setae (<i>lʹʹ</i> present). Femora I–IV, genua I–II, tibiae I–IV usually with seta <i>d</i> and <i>lʹʹ</i> acicular, smooth (<i>narsikulovi</i>, <i>masakii</i>) or unknown (<i>thomissus</i>). Ontogeny of leg setae unknown. Tarsal claws pad-like. Opisthonotal pores present (<i>masakii</i>, <i>narsikulovi</i>) or absent (<i>thomissus</i>).</p><p><b>Remarks.</b> We propose that <i>Amblypalpus</i> includes just three species, <i>A. narsikulovi</i> Mitrofanov & Strunkova (the type species), <i>A. masakii</i> (Ehara & Ueckermann), and <i>A. thomissus</i> (Meyer). The diagnosis of the genus has been modified to exclude the species <i>A. iraniensis</i> and <i>A. thymus</i>, which are here moved to <i>Ueckermannopalpus</i> <b>gen. nov.</b> The three species of <i>Amblypalpus</i> have opisthosomal setae <i>h2</i> absent (Table 1), and the dorsal opisthosoma bearing 7–8 pairs of setae (i.e., <i>c3</i>, <i>d1</i>, <i>d3</i>, <i>e1</i>, <i>e3</i>, <i>f3</i>, <i>h1</i> present; <i>c1</i> present or absent). The absence of setae <i>h2</i> is considered a synapomorphy of the tribe Obuloidini (Beard <i>et al.</i> 2022) and is also observed in the genera <i>Terminalichus</i> Anwarullah & Khan, 1973 and <i>Goodeniacarus</i>.</p> |
| title | Amblypalpus Mitrofanov & Strunkova 1978 |
| topic | Biodiversity Taxonomy Animalia Arthropoda Arachnida Trombidiformes Tenuipalpidae Amblypalpus |
| url | https://doi.org/10.5281/zenodo.15848644 |