treatments-xml/data/03/B6/87/03B687A9737CAB39FF0EFD19D55D93D6.xml
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<document id="718645699FD5D63F1EE0592A90C0245B" ID-DOI="10.5281/zenodo.190843" ID-GBIF-Dataset="cb229040-f235-462d-b23b-55e3870709a9" ID-ISSN="1175-5326" ID-Zenodo-Dep="190843" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461120249155" checkinUser="plazi" docAuthor="Sabatino, Antonio Di, Gerecke, Reinhard, Gledhill, Terence &amp; Smit, Harry" docDate="2009" docId="03B687A9737CAB39FF0EFD19D55D93D6" docLanguage="en" docName="zt02266p034.pdf" docOrigin="Zootaxa 2266" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Hispidosperchon Thor 1901" docType="treatment" docVersion="9" lastPageNumber="21" masterDocId="FF8FFFD17368AB2DFF99FF93D71D9610" masterDocTitle="On the taxonomy of water mites (Acari: Hydrachnidia) described from the Palaearctic, part 2: Hydryphantoidea and Lebertioidea" masterLastPageNumber="34" masterPageNumber="1" pageNumber="21" updateTime="1698595862684" updateUser="plazi">
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<mods:title id="94A94C38771E55AC20759D2931235143">On the taxonomy of water mites (Acari: Hydrachnidia) described from the Palaearctic, part 2: Hydryphantoidea and Lebertioidea</mods:title>
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<mods:namePart id="1FF9771BD66C9E8F17713D61ECDD85D0">Smit, Harry</mods:namePart>
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<treatment id="03B687A9737CAB39FF0EFD19D55D93D6" ID-DOI="http://doi.org/10.5281/zenodo.6217574" ID-GBIF-Taxon="119625404" ID-Zenodo-Dep="6217574" LSID="urn:lsid:plazi:treatment:03B687A9737CAB39FF0EFD19D55D93D6" httpUri="http://treatment.plazi.org/id/03B687A9737CAB39FF0EFD19D55D93D6" lastPageNumber="21" pageId="20" pageNumber="21">
<subSubSection id="C3056534737CAB39FF0EFD19D52194FB" pageId="20" pageNumber="21" type="nomenclature">
<paragraph id="8BA036BF737CAB39FF0EFD19D56C94B4" blockId="20.[151,625,650,676]" box="[151,625,650,676]" pageId="20" pageNumber="21">
<heading id="D0E881D3737CAB39FF0EFD19D56C94B4" bold="true" box="[151,625,650,676]" fontSize="11" level="1" pageId="20" pageNumber="21" reason="1">
<emphasis id="B96BEAAD737CAB39FF0EFD19D56C94B4" bold="true" box="[151,625,650,676]" pageId="20" pageNumber="21">
Subgenus
<taxonomicName id="4C1F4D3C737CAB39FE8EFD19D56C94B4" authority="Thor, 1901" authorityName="Thor" authorityYear="1901" box="[279,625,650,676]" class="Arachnida" family="Sperchonidae" genus="Hispidosperchon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus">
<emphasis id="B96BEAAD737CAB39FE8EFD19D6F994B4" bold="true" box="[279,484,650,676]" italics="true" pageId="20" pageNumber="21">Hispidosperchon</emphasis>
<bibRefCitation id="EF8E4B4E737CAB39FE72FD19D56C94B4" author="Thor" box="[491,625,650,676]" pageId="20" pageNumber="33" refString="Thor, S. (1901) Fjerde bidrag til kundskaben om Norges Hydrachnider. - &quot; Norske Hydrachnider &quot; IV. Archiv for Mathematik og Naturvidenskab, 23, 1 - 56." type="journal article" year="1901">Thor, 1901</bibRefCitation>
</taxonomicName>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BA036BF737CAB39FF0EFD47D52194FB" blockId="20.[151,572,724,747]" box="[151,572,724,747]" pageId="20" pageNumber="21">
<taxonomicName id="4C1F4D3C737CAB39FF0EFD47D6CC94FB" authority="K. Viets, 1926" authorityName="K. Viets" authorityYear="1926" box="[151,465,724,747]" class="Arachnida" family="Sperchonidae" genus="Mixosperchon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus">
<emphasis id="B96BEAAD737CAB39FF0EFD47D63294FB" box="[151,303,724,747]" italics="true" pageId="20" pageNumber="21">Mixosperchon</emphasis>
K. Viets, 1926
</taxonomicName>
, nov. syn.
</paragraph>
</subSubSection>
<subSubSection id="C3056534737CAB39FF0EFC89D55D93D6" pageId="20" pageNumber="21" type="discussion">
<paragraph id="8BA036BF737CAB39FF0EFC89D55D93D6" blockId="20.[151,1437,794,1478]" pageId="20" pageNumber="21">
<emphasis id="B96BEAAD737CAB39FF0EFC89D6349524" bold="true" box="[151,297,794,820]" pageId="20" pageNumber="21">Discussion:</emphasis>
The name source for the subgenus
<taxonomicName id="4C1F4D3C737CAB39FD42FC89D49B9523" box="[731,902,794,819]" class="Arachnida" family="Sperchonidae" genus="Mixosperchon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus">
<emphasis id="B96BEAAD737CAB39FD42FC89D49B9523" box="[731,902,794,819]" italics="true" pageId="20" pageNumber="21">Mixosperchon</emphasis>
</taxonomicName>
was the presence of an areolate integument structure as typical for
<taxonomicName id="4C1F4D3C737CAB39FE29FCD2D561954A" box="[432,636,833,858]" class="Arachnida" family="Sperchonidae" genus="Hispidosperchon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus">
<emphasis id="B96BEAAD737CAB39FE29FCD2D561954A" box="[432,636,833,858]" italics="true" pageId="20" pageNumber="21">Hispidosperchon</emphasis>
</taxonomicName>
-species, mixed with papillae as found in
<taxonomicName id="4C1F4D3C737CAB39FBEFFCD2D3FB954A" box="[1142,1254,833,858]" class="Arachnida" family="Sperchonidae" genus="Sperchon" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus" sensu="stricto">
<emphasis id="B96BEAAD737CAB39FBEFFCD2D3FB954A" box="[1142,1254,833,858]" italics="true" pageId="20" pageNumber="21">Sperchon</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A25857D6737CAB39FB76FCD2D23B954B" box="[1263,1318,833,859]" pageId="20" pageNumber="21" sensu="stricto">s.str.</taxonomicNameLabel>
(K. Viets 1926l).
<bibRefCitation id="EF8E4B4E737CAB39FF6CFCFBD6929592" author="Cook" box="[245,399,872,898]" pageId="20" pageNumber="31" refString="Cook, D. R. (1974) Water mite genera and subgenera. Memoirs of the American Entomological Institute, 21, V + 1 - 860." type="journal article" year="1974">Cook (1974)</bibRefCitation>
made the additional attempt to separate the two taxa on the basis of the presence of a gland pore on Cx-III (present in
<taxonomicName id="4C1F4D3C737CAB39FDBDFC1CD5ED95B8" box="[548,752,911,936]" class="Arachnida" family="Sperchonidae" genus="Hispidosperchon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus">
<emphasis id="B96BEAAD737CAB39FDBDFC1CD5ED95B8" box="[548,752,911,936]" italics="true" pageId="20" pageNumber="21">Hispidosperchon</emphasis>
</taxonomicName>
, absent in
<taxonomicName id="4C1F4D3C737CAB39FCEFFC1CD33C95B8" box="[886,1057,911,936]" class="Arachnida" family="Sperchonidae" genus="Mixosperchon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus">
<emphasis id="B96BEAAD737CAB39FCEFFC1CD33C95B8" box="[886,1057,911,936]" italics="true" pageId="20" pageNumber="21">Mixosperchon</emphasis>
</taxonomicName>
and
<taxonomicName id="4C1F4D3C737CAB39FBC4FC1CD3D395B8" box="[1117,1230,911,936]" class="Arachnida" family="Sperchonidae" genus="Sperchon" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus" sensu="stricto">
<emphasis id="B96BEAAD737CAB39FBC4FC1CD3D395B8" box="[1117,1230,911,936]" italics="true" pageId="20" pageNumber="21">Sperchon</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A25857D6737CAB39FB4CFC1DD20D95B8" box="[1237,1296,910,936]" pageId="20" pageNumber="21" sensu="stricto">s.str.</taxonomicNameLabel>
). However, both characters are found differently expressed in species which are obviously closely related and thus cannot be applied for definition of subgenera in
<taxonomicName id="4C1F4D3C737CAB39FD07FC4FD48295E6" authority="Examples" authorityName="Examples" box="[670,927,988,1014]" class="Arachnida" family="Sperchonidae" genus="Sperchon" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus">
<emphasis id="B96BEAAD737CAB39FD07FC4FD40F95E5" box="[670,786,988,1013]" italics="true" pageId="20" pageNumber="21">Sperchon</emphasis>
: Examples
</taxonomicName>
of such pairs of species pairs are: (1)
<taxonomicName id="4C1F4D3C737CAB39FA1CFC4FD6C1920C" authority="Koenike, 1895" authorityName="Koenike" authorityYear="1895" class="Arachnida" family="Sperchonidae" genus="Sperchon" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="longirostris">
<emphasis id="B96BEAAD737CAB39FA1CFC4FD63E920B" italics="true" pageId="20" pageNumber="21">S. longirostris</emphasis>
Koenike, 1895
</taxonomicName>
(with glands on Cx-III) and
<taxonomicName id="4C1F4D3C737CAB39FCA0FB91D397920C" authority="Kramer, 1879" authorityName="Kramer" authorityYear="1879" box="[825,1162,1026,1052]" class="Arachnida" family="Sperchonidae" genus="Sperchon" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="squamosus">
<emphasis id="B96BEAAD737CAB39FCA0FB91D4C6920B" box="[825,987,1026,1051]" italics="true" pageId="20" pageNumber="21">S. squamosus</emphasis>
Kramer, 1879
</taxonomicName>
(lacking such glands), both representatives of the distinct
<taxonomicName id="4C1F4D3C737CAB39FDAEFBBAD5A59252" box="[567,696,1065,1090]" class="Arachnida" family="Sperchonidae" genus="Sperchon" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="squamosus">
<emphasis id="B96BEAAD737CAB39FDAEFBBAD5A59252" box="[567,696,1065,1090]" italics="true" pageId="20" pageNumber="21">squamosus</emphasis>
</taxonomicName>
species group (with long gnathosomal rostrum and inflated P- 2) and (2)
<taxonomicName id="4C1F4D3C737CAB39FE87FBC3D534927A" authority="Thor, 1898" authorityName="Thor" authorityYear="1898" box="[286,553,1104,1130]" class="Arachnida" family="Sperchonidae" genus="Sperchon" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="setiger">
<emphasis id="B96BEAAD737CAB39FE87FBC3D6889279" box="[286,405,1104,1129]" italics="true" pageId="20" pageNumber="21">S. setiger</emphasis>
Thor, 1898
</taxonomicName>
(with simply areolate integument) and
<taxonomicName id="4C1F4D3C737CAB39FBB8FBC3D281927A" authority="Lundblad, 1942" authorityName="Lundblad" authorityYear="1942" box="[1057,1436,1104,1130]" class="Arachnida" family="Hydryphantidae" genus="Hydryphantes" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="algeriensis">
<emphasis id="B96BEAAD737CAB39FBB8FBC3D3D09279" box="[1057,1229,1104,1129]" italics="true" pageId="20" pageNumber="21">S. algeriensis</emphasis>
Lundblad, 1942
</taxonomicName>
(combining papillae and areolation), both representatives of the
<taxonomicName id="4C1F4D3C737CAB39FC1AFBE4D4CE9280" box="[899,979,1143,1168]" class="Arachnida" family="Sperchonidae" genus="Sperchon" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="setiger">
<emphasis id="B96BEAAD737CAB39FC1AFBE4D4CE9280" box="[899,979,1143,1168]" italics="true" pageId="20" pageNumber="21">setiger</emphasis>
</taxonomicName>
species group (with palps rotated in an oblique horizontal plane and development of ventral setae on P-3). In
<emphasis id="B96BEAAD737CAB39FB9FFB0ED3A192A6" box="[1030,1212,1181,1206]" italics="true" pageId="20" pageNumber="21">
<taxonomicName id="4C1F4D3C737CAB39FB9FFB0ED36792A6" box="[1030,1146,1181,1206]" class="Arachnida" family="Sperchonidae" genus="Sperchon" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus" sensu="stricto">Sperchon</taxonomicName>
<taxonomicNameLabel id="A25857D6737CAB39FB1BFB0ED3A192A6" box="[1154,1212,1181,1206]" pageId="20" pageNumber="21" sensu="stricto">s.str.</taxonomicNameLabel>
</emphasis>
the integument is papillate or with rugose lines, and generally completely smooth or with very small sclerotized muscle attachments restricted to the dorsal surface. These contradictions induced
<bibRefCitation id="EF8E4B4E737CAB39FB8EFB79D3D79314" author="Viets" box="[1047,1226,1258,1284]" pageId="20" pageNumber="33" refString="Viets, K. (1956) Die Milben des Sußwassers und des Meeres. Hydrachnellae et Halacaridae (Acari). II. und III. Teil: Katalog und Nomenklator. G. Fischer, Jena, 870 pp." type="book" year="1956">K.Viets (1956)</bibRefCitation>
to break his own subgenus concept and shift
<taxonomicName id="4C1F4D3C737CAB39FD9BFA82D560933A" box="[514,637,1297,1322]" class="Arachnida" family="Sperchonidae" genus="Sperchon" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="setiger">
<emphasis id="B96BEAAD737CAB39FD9BFA82D560933A" box="[514,637,1297,1322]" italics="true" pageId="20" pageNumber="21">S. setiger</emphasis>
</taxonomicName>
to
<taxonomicName id="4C1F4D3C737CAB39FD33FA82D49B933A" box="[682,902,1297,1322]" class="Arachnida" family="Sperchonidae" genus="Hispidosperchon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus">
<emphasis id="B96BEAAD737CAB39FD33FA82D49B933A" box="[682,902,1297,1322]" italics="true" pageId="20" pageNumber="21">Hispidosperchon</emphasis>
</taxonomicName>
. Species attributed to
<taxonomicName id="4C1F4D3C737CAB39FB37FA82D278933A" box="[1198,1381,1297,1322]" class="Arachnida" family="Sperchonidae" genus="Mixosperchon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus">
<emphasis id="B96BEAAD737CAB39FB37FA82D278933A" box="[1198,1381,1297,1322]" italics="true" pageId="20" pageNumber="21">Mixosperchon</emphasis>
</taxonomicName>
and
<taxonomicName id="4C1F4D3C737CAB39FF0EFAABD67D9341" box="[151,352,1336,1361]" class="Arachnida" family="Sperchonidae" genus="Hispidosperchon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus">
<emphasis id="B96BEAAD737CAB39FF0EFAABD67D9341" box="[151,352,1336,1361]" italics="true" pageId="20" pageNumber="21">Hispidosperchon</emphasis>
</taxonomicName>
have in common not only the areolate ground pattern of the integument structure, but also the presence of several pairs of dorsal (which in males of several species fuse to a dorsal shield) and ventroposterior plates.
<taxonomicName id="4C1F4D3C737CAB39FE3CFA16D556938E" box="[421,587,1413,1438]" class="Arachnida" family="Sperchonidae" genus="Mixosperchon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus">
<emphasis id="B96BEAAD737CAB39FE3CFA16D556938E" box="[421,587,1413,1438]" italics="true" pageId="20" pageNumber="21">Mixosperchon</emphasis>
</taxonomicName>
is a polyphyletic assemblage of
<taxonomicName id="4C1F4D3C737CAB39FC55FA16D38E938E" box="[972,1171,1413,1438]" class="Arachnida" family="Sperchonidae" genus="Hispidosperchon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus">
<emphasis id="B96BEAAD737CAB39FC55FA16D38E938E" box="[972,1171,1413,1438]" italics="true" pageId="20" pageNumber="21">Hispidosperchon</emphasis>
</taxonomicName>
-species and cannot be accepted as a subgenus in
<taxonomicName id="4C1F4D3C737CAB39FE52FA3FD52593D5" box="[459,568,1452,1477]" class="Arachnida" family="Sperchonidae" genus="Sperchon" kingdom="Animalia" order="Trombidiformes" pageId="20" pageNumber="21" phylum="Arthropoda" rank="genus">
<emphasis id="B96BEAAD737CAB39FE52FA3FD52593D5" box="[459,568,1452,1477]" italics="true" pageId="20" pageNumber="21">Sperchon</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
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