Amblypalpus Mitrofanov & Strunkova 1978

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Autores principales: Castro, Elizeu B., Tassi, Aline D., Machado, Vinicius B. G., Ochoa, Ronald, Beard, Jennifer J., Seeman, Owen D., Lofego, Antonio C.
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Publicado: Zenodo 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>
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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