133 lines
14 KiB
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133 lines
14 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.158.1970" ID-GBIF-Dataset="bb2ba27f-b084-4efc-8e19-3aca9891c79b" ID-PMC="PMC3253627" ID-Pensoft-Pub="1313-2970-158-89" ID-PubMed="22303110" ModsDocAuthor="" ModsDocDate="2011" ModsDocID="1313-2970-158-89" ModsDocOrigin="ZooKeys 158" ModsDocTitle="New records of water mites of the family Sperchontidae Thor, 1900 from China (Acari, Hydrachnidia), with descriptions of two new species" checkinTime="1451249436128" checkinUser="pensoft" docAuthor="Zhang, Xu & Jin, Dao-Chao" docDate="2011" docId="AB5AEA08ADAAC07FDBFE80CBEF734858" docLanguage="en" docName="ZooKeys 158: 89-109" docOrigin="ZooKeys 158" docSource="http://dx.doi.org/10.3897/zookeys.158.1970" docTitle="Sperchon (Sperchon) orbipatella Zhang & Jin, 2011, sp. n." docType="treatment" docVersion="4" lastPageNumber="96" masterDocId="5B5AFFBBFFFBA565940585645231FFA3" masterDocTitle="New records of water mites of the family Sperchontidae Thor, 1900 from China (Acari, Hydrachnidia), with descriptions of two new species" masterLastPageNumber="109" masterPageNumber="89" pageNumber="93" updateTime="1668153081161" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>New records of water mites of the family Sperchontidae Thor, 1900 from China (Acari, Hydrachnidia), with descriptions of two new species</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Zhang, Xu</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Jin, Dao-Chao</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2011</mods:date>
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<mods:detail type="volume">
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<mods:number>158</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>89</mods:start>
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<mods:end>109</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.158.1970</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.158.1970</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-158-89</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152032776" LSID="urn:lsid:zoobank.org:act:61043D65-F634-4D8C-9904-01EC2163CC42" httpUri="http://treatment.plazi.org/id/AB5AEA08ADAAC07FDBFE80CBEF734858" lastPageId="7" lastPageNumber="96" pageId="4" pageNumber="93">
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<subSubSection pageId="4" pageNumber="93" type="nomenclature">
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<paragraph pageId="4" pageNumber="93">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:61043D65-F634-4D8C-9904-01EC2163CC42" class="Arachnida" family="Sperchontidae" genus="Sperchon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sperchon (Sperchon) orbipatella" order="Trombidiformes" pageId="4" pageNumber="93" phylum="Arthropoda" rank="species" species="orbipatella" subGenus="Sperchon">Sperchon (Sperchon) orbipatella</taxonomicName>
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<taxonomicNameLabel pageId="4" pageNumber="93">sp. n.</taxonomicNameLabel>
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Figures 1121
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="93" type="type series">
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<paragraph pageId="4" pageNumber="93">Type series.</paragraph>
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<paragraph pageId="4" pageNumber="93">
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Holotype: Male, Xinjiang Uygur Autonomous Region, Urumqi city, Baiyanggou scenic area, an unnamed stream (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="43.68139">43°40'53"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="88.08305">88°04'59"E</geoCoordinate>
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), 18 August 1996, coll. Dao-Chao Jin. Paratypes: 46 males and 59 females, the same data as the holotype.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="93" type="diagnosis">
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<paragraph pageId="4" pageNumber="93">Diagnosis.</paragraph>
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<paragraph pageId="4" pageNumber="93">Cuticle covered with small papillae various in shape; excretory pore surrounded by a sclerotized ring; the second acetabulum near to the third but far away from the first one; P-II with a long ventro-distal projection and one thick seta at the base of the projection; third to fifth segments of leg I-IV with rather short plumose setae in longitudinal rows.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="7" lastPageNumber="96" pageId="4" pageNumber="93" type="description">
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<paragraph pageId="4" pageNumber="93">Description.</paragraph>
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<paragraph lastPageId="5" lastPageNumber="94" pageId="4" pageNumber="93">
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Male (n=3):Idiosoma oval in outline, 636 (602-783) in length, 533 (510-563) in width. Cuticle yellow-brown, covered with small, various shaped papillae (Fig. 13). A1 smooth, short and thick, other glandularia thin and longer. Cuticle without an extended dorsal and ventral plate. Glandularia and O2 encircled by small rounded platelets (Fig. 11, Fig. 12). Coxae in four groups, surface of coxae reticulated. ACG 162 (153-176) in length, close to each other but not fused, posterior apodeme weakly developed. E2 laterally between ACG and PCG. PCG 239 (228-257)
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<pageBreakToken pageId="5" pageNumber="94" start="start">in</pageBreakToken>
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length. E4 close to anterior margin of CxIII. Distance between anterior end of ACG and posterior end of PCG 387 (364-412). Genital field between PCG with a small and rounded platelet in front. Genital valves not covering the genital acetabula, 170 (157-184) in length, 140 (132-165) in width. Pre- and postgenital sclerites not developed. Three pairs of small and rounded genital acetabula, the second acetabulum near to the third and far away from the first. V1 on very small sclerites and without accompanying glandularia. Excretory pore surrounded by a sclerotized ring and placed anterior to the line of V2 glands.
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</paragraph>
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<paragraph lastPageId="6" lastPageNumber="95" pageId="5" pageNumber="94">
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Infracapitulum with a relatively short and high rostrum, length 172 (165-184). Chelicera total length 223 (207-246), basal segment length 165 (155-183), claw length 58 (52-63), basal segment/claw length ratio 2.8 (2.8-3.0). Dorsal lengths of the palpal segments: P-I, 32 (25-34); P-II, 99 (80-107); P-III, 121 (113-134); P-IV, 163 (145-173); P-V, 37 (34-45). P-I short and without seta. P-II with a long ventro-distal projection bearing one thin seta and a thick peg-like seta at the base of the projection, the thick seta almost as long as the projection. Six setae on the dorsal side of the P-II, none of them plumose. The venter margin of P-III without setae, two setae on the dorsal side, one of which almost on middle and another one near to the distal end of the segment. P-IV venter with two subequal peg-like setae, well distanced from each other. Six thin setae on the dorsal side of P-IV, four of them on the terminal end of segment. Dorsal lengths of the first leg: I-L-1, 56 (47-69); I-L-2, 71 (58-86); I-L-3, 78 (62-88);
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<pageBreakToken pageId="6" pageNumber="95" start="start">I-L-</pageBreakToken>
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4, 144 (126-163); I-L-5, 145 (131-167); I-L-6, 143 (123-159). Dorsal lengths of the fourth leg: IV-L-1, 85 (76-93); IV-L-2, 107 (96-114); IV-L-3, 115 (108-127); IV-L-4, 238 (221-257); IV-L-5, 215 (197-226); IV-L-6, 205 (196-214). Third to fifth segments of leg I-IV with rather short plumose setae in longitudinal rows (Fig. 19). Claws with well protruded claw-blade and two clawlets, a long dorsal and a shorter ventral one (Fig. 15).
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</paragraph>
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<paragraph lastPageId="7" lastPageNumber="96" pageId="6" pageNumber="95">
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Female (n = 3):Similar to male except for the morphology of genital field (Fig. 21). Idiosoma 771 (725-947) in length, 645 (617-768) in width. ACG 199 (182-218) in length, PCG 272 (253-304) in length. Distance between anterior end of ACG and posterior end of PCG 448 (436-469). Genital field 209 (182-234) in length, 174
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<pageBreakToken pageId="7" pageNumber="96" start="start">(</pageBreakToken>
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163-181) in width. Infracapitulum length 210 (197-242). Chelicera total length 283 (262-307), basal segment length 212 (195-230), claw length 71 (67-77), basal segment/claw length ratio 3.0 (2.9-3.0). Dorsal lengths of the palpal segments: P-I, 37 (32-41); P-II, 122 (113-137); P-III, 155 (140-172); P-IV, 197 (178-217); P-V, 48 (40-54). Dorsal lengths of leg I: I-L-1, 67 (54-73); I-L-2, 100 (87-113); I-L-3, 128 (112-147); I-L-4, 217 (203-246); I-L-5, 197 (184-213); I-L-6, 183 (169-212). Dorsal lengths of leg IV: IV-L-1, 95 (87-106); IV-L-2, 148 (132-167); IV-L-3, 151 (137-173); IV-L-4, 299 (267-315); IV-L-5, 280 (262-301); IV-L-6, 227 (209-246).
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</paragraph>
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<caption pageId="7" pageNumber="96">
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<paragraph pageId="7" pageNumber="96">
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Figures 11-13.
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<taxonomicName class="Arachnida" family="Sperchontidae" genus="Sperchon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sperchon (Sperchon) orbipatella" order="Trombidiformes" pageId="7" pageNumber="96" phylum="Arthropoda" rank="species" species="orbipatella" subGenus="Sperchon">Sperchon (Sperchon) orbipatella</taxonomicName>
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sp. n., Male 11 idiosoma, dorsal view 12 idiosoma, ventral view 13 decorations of cuticle.
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</paragraph>
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</caption>
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<caption pageId="7" pageNumber="96">
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<paragraph pageId="7" pageNumber="96">
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Figures 14-19.
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<taxonomicName class="Arachnida" family="Sperchontidae" genus="Sperchon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sperchon (Sperchon) orbipatella" order="Trombidiformes" pageId="7" pageNumber="96" phylum="Arthropoda" rank="species" species="orbipatella" subGenus="Sperchon">Sperchon (Sperchon) orbipatella</taxonomicName>
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sp. n., Male 14 infracapitulum 15 claw 16 chelicera 17 palp 18 IV-L-1-6 19 dorsal seta of IV-L-5.
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</paragraph>
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</caption>
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<caption pageId="7" pageNumber="96">
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<paragraph pageId="7" pageNumber="96">
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Figures 20-21.
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<taxonomicName class="Arachnida" family="Sperchontidae" genus="Sperchon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sperchon (Sperchon) orbipatella" order="Trombidiformes" pageId="7" pageNumber="96" phylum="Arthropoda" rank="species" species="orbipatella" subGenus="Sperchon">Sperchon (Sperchon) orbipatella</taxonomicName>
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sp. n., Female 20 idiosoma, dorsal view 21 idiosoma, ventral view.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="96" type="etymology">
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<paragraph pageId="7" pageNumber="96">Etymology.</paragraph>
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<paragraph pageId="7" pageNumber="96">
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The species is named after the shape of the three acetabula,
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<normalizedToken originalValue="“orbi-”">"orbi-"</normalizedToken>
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Latin word, means rounded.
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</paragraph>
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<paragraph pageId="7" pageNumber="96">
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Remarks. All the species of the genus
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<taxonomicName class="Arachnida" family="Sperchontidae" genus="Sperchon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sperchon" order="Trombidiformes" pageId="7" pageNumber="96" phylum="Arthropoda" rank="genus">Sperchon</taxonomicName>
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have three pairs of acetabula, in most cases arranged almost equidistantly, usually the anterior two pairs of acetabula elongated while the posterior pair is somewhat rounded. However, in some species such as
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<taxonomicName class="Arachnida" family="Sperchontidae" genus="Sperchon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sperchon prosperoides" order="Trombidiformes" pageId="7" pageNumber="96" phylum="Arthropoda" rank="species" species="prosperoides">Sperchon prosperoides</taxonomicName>
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Tuzovskij, 1990 and
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<taxonomicName class="Arachnida" family="Sperchontidae" genus="Sperchon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sperchon minutiporus" order="Trombidiformes" pageId="7" pageNumber="96" phylum="Arthropoda" rank="species" species="minutiporus">Sperchon minutiporus</taxonomicName>
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Sokolow, 1934, the acetabula are small and rounded, and the second pair shifted near to the third one but far away from the first one.
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</paragraph>
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<paragraph pageId="7" pageNumber="96">
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The new species resembles to
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<taxonomicName class="Arachnida" family="Sperchontidae" genus="Sperchon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sperchon prosperoides" order="Trombidiformes" pageId="7" pageNumber="96" phylum="Arthropoda" rank="species" species="prosperoides">Sperchon prosperoides</taxonomicName>
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Tuzovskij, 1990, from Russia, from which it can been distinguished by the morphology of the palp and genital field (
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<bibRefCitation author="Tuzovskij, PV" journalOrPublisher="Entomological Review" pageId="16" pageNumber="105" pagination="139 - 149" title="The morphology of three species of adult water mites of the genus Sperchon (S. kuluensis, S. prosperoides, and S. orientalis, Acariformes, Sperchontidae)." url="10.1134/S0013873808020024" volume="88" year="2008">Tuzovskij 2008</bibRefCitation>
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). In
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<taxonomicName class="Arachnida" family="Sperchontidae" genus="Sperchon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sperchon prosperoides" order="Trombidiformes" pageId="7" pageNumber="96" phylum="Arthropoda" rank="species" species="prosperoides">Sperchon prosperoides</taxonomicName>
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, P-III bearing two thick setae on the ventral side and only half of the genital field is located between PCG, whereas in the new species, P-III is without setae on the ventral side and the genital field is located entirely between PCG.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="96" type="distribution">
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<paragraph pageId="7" pageNumber="96">Distribution.</paragraph>
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<paragraph pageId="7" pageNumber="96">China (Xinjiang Uygur Autonomous Region).</paragraph>
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</subSubSection>
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</treatment>
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</document> |