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<document id="A812DA150B1EA76BC7B6C725345816AF" ID-DOI="10.11646/zootaxa.2269.1.1" ID-ISSN="1175-5326" ID-Zenodo-Dep="5306773" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629653133450" checkinUser="felipe" docAuthor="Weigmann, Gerd &amp; Raspotnig, Günther" docDate="2009" docId="3F7987AAFFE28057FF2278BEA031FC65" docLanguage="en" docName="zt02269p031.pdf" docOrigin="Zootaxa 2269 (1)" docSource="https://www.biotaxa.org/Zootaxa/article/view/zootaxa.2269.1.1" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Trhypochthonius tectorum : Berlese 1904" docType="treatment" docVersion="5" lastPageNumber="20" masterDocId="C340FFD2FFF18044FFB57829A57AFFD9" masterDocTitle="Comparative morphological and biometrical studies on Trhypochthonius species of the tectorum species group (Acari: Oribatida: Trhypochthoniidae)" masterLastPageNumber="31" masterPageNumber="1" pageNumber="20" updateTime="1699089374272" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="D11617B1001C57696B289C117FB13171">Comparative morphological and biometrical studies on Trhypochthonius species of the tectorum species group (Acari: Oribatida: Trhypochthoniidae)</mods:title>
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<mods:namePart id="E4409355AE97D09F5414215D100C1A8B">Weigmann, Gerd</mods:namePart>
<mods:affiliation id="E144EB7D03C78E2ACB04CBAC3FFEDCE3">Institute of Zoology, Free University Berlin, Koenigin-Luise-Str. 1 - 3, D- 14195 Berlin, Germany.</mods:affiliation>
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<mods:namePart id="CC863F63A561B89F5BA807B144B2DE39">Raspotnig, Günther</mods:namePart>
<mods:affiliation id="23F3EBFFB07B79C9197A295ECCC2858B">Institute of Zoology, Karl-Franzens-University, Universitätsplatz 2, A- 8010 Graz, Austria. E-mail: guenther. raspotnig @ uni-graz. at Corresponding author</mods:affiliation>
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<mods:number id="2AFFDA94AB830C479D9103E4AD4F2D9C">2269</mods:number>
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<treatment id="3F7987AAFFE28057FF2278BEA031FC65" ID-DOI="http://doi.org/10.5281/zenodo.5314346" ID-Zenodo-Dep="5314346" LSID="urn:lsid:plazi:treatment:3F7987AAFFE28057FF2278BEA031FC65" httpUri="http://treatment.plazi.org/id/3F7987AAFFE28057FF2278BEA031FC65" lastPageNumber="20" pageId="19" pageNumber="20">
<subSubSection id="FFCA6537FFE28057FF2278BEA64EFF68" box="[151,820,151,177]" pageId="19" pageNumber="20" type="nomenclature">
<paragraph id="B76F36BCFFE28057FF2278BEA64EFF68" blockId="19.[151,820,151,177]" box="[151,820,151,177]" pageId="19" pageNumber="20">
<heading id="EC2781D0FFE28057FF2278BEA64EFF68" bold="true" box="[151,820,151,177]" fontSize="11" level="1" pageId="19" pageNumber="20" reason="1">
<emphasis id="85A4EAAEFFE28057FF2278BEA64EFF68" bold="true" box="[151,820,151,177]" pageId="19" pageNumber="20">
Comparison of
<taxonomicName id="70D04D3FFFE28057FEED78BEA7E0FF68" ID-CoL="584S3" authorityName=": Berlese" authorityYear="1904" box="[344,666,151,177]" class="Arachnida" family="Trhypochthoniidae" genus="Trhypochthonius" kingdom="Animalia" order="Sarcoptiformes" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="tectorum">
<emphasis id="85A4EAAEFFE28057FEED78BEA7E0FF68" bold="true" box="[344,666,151,177]" italics="true" pageId="19" pageNumber="20">Trhypochthonius tectorum</emphasis>
</taxonomicName>
populations
</emphasis>
</heading>
</paragraph>
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<subSubSection id="FFCA6537FFE28057FF2278C8A76FFD22" pageId="19" pageNumber="20" type="materials_examined">
<paragraph id="B76F36BCFFE28057FF2278C8A158FE91" blockId="19.[151,1436,225,956]" pageId="19" pageNumber="20">
The biometrical data
<emphasis id="85A4EAAEFFE28057FE2978C8A7BDFF23" box="[412,711,225,250]" italics="true" pageId="19" pageNumber="20">numbers of genital setae</emphasis>
,
<emphasis id="85A4EAAEFFE28057FD6278C8A140FF23" box="[727,1082,225,250]" italics="true" pageId="19" pageNumber="20">notogastral setal lengths (%)</emphasis>
and
<emphasis id="85A4EAAEFFE28057FBC278C8A0E6FF23" box="[1143,1436,225,250]" italics="true" pageId="19" pageNumber="20">notogaster lengths (µm)</emphasis>
were measured from each specimen of six
<taxonomicName id="70D04D3FFFE28057FD397921A6BAFEF8" authorityName=": Berlese" authorityYear="1904" box="[652,960,264,289]" class="Arachnida" family="Trhypochthoniidae" genus="Trhypochthonius" kingdom="Animalia" order="Sarcoptiformes" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="tectorum">
<emphasis id="85A4EAAEFFE28057FD397921A6BAFEF8" box="[652,960,264,289]" italics="true" pageId="19" pageNumber="20">Trhypochthonius tectorum</emphasis>
</taxonomicName>
populations (3: n=5), (6: n=4), (7: n=5), (8: n=5), (9: n=5) and (10: n=3), as listed in the section “Material examined”.
</paragraph>
<paragraph id="B76F36BCFFE28057FF22797CA678FE65" blockId="19.[151,1436,225,956]" pageId="19" pageNumber="20">
The number of
<emphasis id="85A4EAAEFFE28057FEFB797CA49EFEB7" box="[334,484,341,366]" italics="true" pageId="19" pageNumber="20">genital setae</emphasis>
pairs varies within the populations and obviously also among the populations of
<taxonomicName id="70D04D3FFFE28057FF227955A461FE4C" authorityName=": Berlese" authorityYear="1904" box="[151,283,380,405]" class="Arachnida" family="Trhypochthoniidae" genus="Trhypochthonius" kingdom="Animalia" order="Sarcoptiformes" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="tectorum">
<emphasis id="85A4EAAEFFE28057FF227955A461FE4C" box="[151,283,380,405]" italics="true" pageId="19" pageNumber="20">T. tectorum</emphasis>
</taxonomicName>
(
<figureCitation id="2FEB2A39FFE28057FE9F7955A4EBFE4F" box="[298,401,380,406]" captionStart="FIGURE 10" captionStartId="19.[151,258,1626,1650]" captionTargetBox="[215,1383,1014,1610]" captionTargetId="figure-429@19.[188,1398,965,1614]" captionTargetPageId="19" captionText="FIGURE 10. Biometrical data of different Trhypochthonius tectorum populations. a—notogaster length data; b— numbers of genital setae pairs.—Population (6) from Italy; (3), (7) and (8) from Austria; (9) and (10) from Germany." figureDoi="http://doi.org/10.5281/zenodo.5335705" httpUri="https://zenodo.org/record/5335705/files/figure.png" pageId="19" pageNumber="20">Fig. 10b</figureCitation>
). The total observed range of setae pairs is 711; the median value in populations (9) and (10) is nine, in (3) is ten, in (6), (7) and (8) is eleven.
</paragraph>
<paragraph id="B76F36BCFFE28057FF7379E0A76FFD22" blockId="19.[151,1436,225,956]" pageId="19" pageNumber="20">
There were no significant differences of
<emphasis id="85A4EAAEFFE28057FD1979E0A6FDFE3B" box="[684,903,457,482]" italics="true" pageId="19" pageNumber="20">notogaster lengths</emphasis>
among the tested six populations (
<figureCitation id="2FEB2A39FFE28057FA9D79E0A0F5FE3A" box="[1320,1423,457,483]" captionStart="FIGURE 10" captionStartId="19.[151,258,1626,1650]" captionTargetBox="[215,1383,1014,1610]" captionTargetId="figure-429@19.[188,1398,965,1614]" captionTargetPageId="19" captionText="FIGURE 10. Biometrical data of different Trhypochthonius tectorum populations. a—notogaster length data; b— numbers of genital setae pairs.—Population (6) from Italy; (3), (7) and (8) from Austria; (9) and (10) from Germany." figureDoi="http://doi.org/10.5281/zenodo.5335705" httpUri="https://zenodo.org/record/5335705/files/figure.png" pageId="19" pageNumber="20">Fig. 10a</figureCitation>
). Only in three of fifteen
<emphasis id="85A4EAAEFFE28057FE7F79D9A7DFFDD0" box="[458,677,496,521]" italics="true" pageId="19" pageNumber="20">notogastral setae</emphasis>
sets were significant differences found: regarding setae
<emphasis id="85A4EAAEFFE28057FAC979D9A0F1FDD0" box="[1404,1419,496,521]" italics="true" pageId="19" pageNumber="20">d</emphasis>
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, population (3) is significantly different from all others which are otherwise not different from each other. The significant differences regarding
<emphasis id="85A4EAAEFFE28057FDAB7A69A757FD80" box="[542,557,576,601]" italics="true" pageId="19" pageNumber="20">d</emphasis>
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and
<emphasis id="85A4EAAEFFE28057FDDA7A69A704FD80" box="[623,638,576,601]" italics="true" pageId="19" pageNumber="20">p</emphasis>
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are indicated in figures 11c and 11d: the relative lengths of seta
<emphasis id="85A4EAAEFFE28057FA307A69A0EEFD80" box="[1413,1428,576,601]" italics="true" pageId="19" pageNumber="20">d</emphasis>
<subScript id="2B5434F9FFE28057FA217A79A0E6FD87" attach="left" box="[1428,1436,592,606]" fontSize="6" pageId="19" pageNumber="20">1</subScript>
are partly different between populations and show moderate variability within populations. Population (10) is represented only by
<specimenCount id="A1D6FD35FFE28057FE3D7AB9A73EFD73" box="[392,580,656,682]" pageId="19" pageNumber="20" type="generic">three specimens</specimenCount>
that probably are not fully representative. As two examples, figures 11a and 11b show the non-significant variability between the populations for setae
<emphasis id="85A4EAAEFFE28057FB8C7A9EA13CFD09" box="[1081,1094,695,720]" italics="true" pageId="19" pageNumber="20">c</emphasis>
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and
<emphasis id="85A4EAAEFFE28057FB3D7A9EA1EFFD09" box="[1160,1173,695,720]" italics="true" pageId="19" pageNumber="20">c</emphasis>
<subScript id="2B5434F9FFE28057FB207AEEA1E7FD0C" attach="left" box="[1173,1181,711,725]" fontSize="6" pageId="19" pageNumber="20">3</subScript>
; the means are partly different, but the ranges overlap.
</paragraph>
</subSubSection>
<subSubSection id="FFCA6537FFE28057FF737B2EA031FC65" pageId="19" pageNumber="20" type="discussion">
<paragraph id="B76F36BCFFE28057FF737B2EA031FC65" blockId="19.[151,1436,225,956]" pageId="19" pageNumber="20">
<emphasis id="85A4EAAEFFE28057FF737B2EA445FCF8" bold="true" box="[198,319,775,801]" pageId="19" pageNumber="20">Remarks.</emphasis>
The observed but limited biometrical differences among populations of
<taxonomicName id="70D04D3FFFE28057FB627B2EA478FC9E" authorityName=": Berlese" authorityYear="1904" class="Arachnida" family="Trhypochthoniidae" genus="Trhypochthonius" kingdom="Animalia" order="Sarcoptiformes" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="tectorum">
<emphasis id="85A4EAAEFFE28057FB627B2EA478FC9E" italics="true" pageId="19" pageNumber="20">Trhypochthonius tectorum</emphasis>
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are not surprising, considering that the species is strictly parthenogenetic; populations consist of clone lines without genetic interchange, which would balance variability within populations as occurs in bisexual species. Similar differences between populations are observed in other biometrically analysed parthenogenetic species, e.g. in
<taxonomicName id="70D04D3FFFE28057FDB97B8BA7D3FC62" authorityName="Berlese" authorityYear="1896" box="[524,681,930,955]" class="Arachnida" family="Tectocepheidae" genus="Tectocepheus" kingdom="Animalia" order="Sarcoptiformes" pageId="19" pageNumber="20" phylum="Arthropoda" rank="genus">
<emphasis id="85A4EAAEFFE28057FDB97B8BA7D3FC62" box="[524,681,930,955]" italics="true" pageId="19" pageNumber="20">Tectocepheus</emphasis>
</taxonomicName>
and
<taxonomicName id="70D04D3FFFE28057FD577B8BA165FC65" box="[738,1055,930,956]" class="Arachnida" family="Trhypochthoniidae" genus="Trhypochthoniellus" kingdom="Animalia" order="Sarcoptiformes" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="undetermined">
<emphasis id="85A4EAAEFFE28057FD577B8BA6BEFC62" box="[738,964,930,955]" italics="true" pageId="19" pageNumber="20">Trhypochthoniellus</emphasis>
species
</taxonomicName>
(
<bibRefCitation id="D3414B4DFFE28057FB9B7B8BA189FC65" author="Weigmann, G." box="[1070,1267,930,956]" pageId="19" pageNumber="20" pagination="581 - 586" refId="ref16782" refString="Weigmann, G. (1999) Morphological variability in populations of a thelytokous mite, Trhypochthoniellus longisetus (Oribatida), with notes on synonymy. In: Bruin, J., van der Geest, L. P. S. &amp; Sabelis, M. W. (eds), Ecology and evolution of the Acari. Kluwer Academic Publisher, Dordrecht, pp. 581 - 586." type="book chapter" year="1999">Weigmann 1999</bibRefCitation>
,
<bibRefCitation id="D3414B4DFFE28057FB4A7B8BA044FC65" author="Weigmann, G." box="[1279,1342,930,956]" pageId="19" pageNumber="20" pagination="141 - 152" refId="ref16856" refString="Weigmann, G. (2002) Morphological variability between and within populations of Tectocepheus (Acari, Oribatida, Tectocepheidae) from the velatus-complex in central Europe. In: Bernini, F., Nannelli, R., Nuzzaci, G. &amp; de Lillo, E. (eds), Acarid phylogeny and evolution: Adaptation in mites and ticks. Proceedings of the IV Symposium of the European Association of Acarologists. Kluwer Academic Publisher, Dordrecht, pp. 141 - 152." type="book chapter" year="2002">2002</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
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