239 lines
36 KiB
XML
239 lines
36 KiB
XML
<document id="979599A2C4C8634061119B6BE43ADFB7" ID-CLB-Dataset="153854" ID-DOI="10.11646/zootaxa.5190.1.3" ID-GBIF-Dataset="0c42dd85-bdf3-4251-8b39-bab9f0bdfa28" ID-ISSN="1175-5326" ID-Zenodo-Dep="7119849" ID-ZooBank="4BF654E3-ABE8-47A8-920A-B32B17568A19" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1664371148201" checkinUser="plazi" docAuthor="Polhemus, Dan A." docDate="2022" docId="FC3D2479FFE5FF95F6D3FCB7FD42FC3E" docLanguage="en" docName="zootaxa.5190.1.3.pdf" docOrigin="Zootaxa 5190 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Marquesametra D. Polhemus 2022, n. gen." docType="treatment" docVersion="7" lastPageNumber="72" masterDocId="00045C01FFE7FF96F644FF90FFA6FFD3" masterDocTitle="Two new genera and six new species of Terrestrial Hydrometridae (Hemiptera: Heteroptera) from French Polynesia" masterLastPageNumber="98" masterPageNumber="69" pageNumber="71" updateTime="1699383580276" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="A1A9AE9887767EBFC86C3E3DEC2BD40C">Two new genera and six new species of Terrestrial Hydrometridae (Hemiptera: Heteroptera) from French Polynesia</mods:title>
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<mods:namePart id="5005659CDA1D21787DEE8A941E0E3A69">Polhemus, Dan A.</mods:namePart>
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<mods:title id="EA06528E2A222AD1DEF204EAA81863C0">Zootaxa</mods:title>
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<mods:date id="46AA005832742E57C1F0D4BD188F93EF">2022</mods:date>
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<treatment id="FC3D2479FFE5FF95F6D3FCB7FD42FC3E" ID-DOI="http://doi.org/10.5281/zenodo.7119829" ID-GBIF-Taxon="201137037" ID-Zenodo-Dep="7119829" LSID="urn:lsid:plazi:treatment:FC3D2479FFE5FF95F6D3FCB7FD42FC3E" httpUri="http://treatment.plazi.org/id/FC3D2479FFE5FF95F6D3FCB7FD42FC3E" lastPageId="3" lastPageNumber="72" pageId="2" pageNumber="71">
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<subSubSection id="3C8EC6E4FFE5FF94F6D3FCB7FDF8FC92" box="[151,606,807,833]" pageId="2" pageNumber="71" type="nomenclature">
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<paragraph id="742B956FFFE5FF94F6D3FCB7FDF8FC92" blockId="2.[151,606,807,869]" box="[151,606,807,833]" pageId="2" pageNumber="71">
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<heading id="2F632203FFE5FF94F6D3FCB7FDF8FC92" bold="true" box="[151,606,807,833]" fontSize="11" level="1" pageId="2" pageNumber="71" reason="1">
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<emphasis id="46E0497DFFE5FF94F6D3FCB7FDF8FC92" bold="true" box="[151,606,807,833]" pageId="2" pageNumber="71">
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<taxonomicName id="B394EEECFFE5FF94F6D3FCB7FE59FC92" authority="D. Polhemus" authorityName="D. Polhemus" authorityYear="2022" box="[151,511,807,833]" class="Insecta" family="Hydrometridae" genus="Marquesametra" kingdom="Animalia" order="Hemiptera" pageId="2" pageNumber="71" phylum="Arthropoda" rank="genus" status="gen. nov.">
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<emphasis id="46E0497DFFE5FF94F6D3FCB7FEF1FC92" bold="true" box="[151,343,807,833]" italics="true" pageId="2" pageNumber="71">Marquesametra</emphasis>
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D. Polhemus
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</taxonomicName>
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,
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<taxonomicNameLabel id="5DD3F406FFE5FF94F448FCB7FDF8FC92" box="[524,606,807,833]" pageId="2" pageNumber="71" rank="genus">n. gen.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="3C8EC6E4FFE5FF94F6D3FCDBFC2EF9C1" pageId="2" pageNumber="71" type="description">
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<paragraph id="742B956FFFE5FF94F6D3FCDBFE8FFCB6" blockId="2.[151,606,807,869]" box="[151,297,843,869]" pageId="2" pageNumber="71">
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<figureCitation id="ECAF89EAFFE5FF94F6D3FCDBFEA4FCB6" box="[151,258,843,869]" captionStart-0="FIGURE 1" captionStart-1="FIGURES 2–4" captionStart-2="FIGURES 5–8" captionStartId-0="4.[151,250,1891,1915]" captionStartId-1="5.[151,264,1903,1927]" captionStartId-2="6.[151,264,1808,1832]" captionTargetBox-0="[157,1381,202,1843]" captionTargetBox-1="[151,1436,489,1879]" captionTargetBox-2="[262,1325,184,1784]" captionTargetId-0="figure-26@4.[151,1436,179,1865]" captionTargetId-1="figure-166@5.[151,1436,489,1880]" captionTargetId-2="figure-26@6.[262,1325,181,1784]" captionTargetPageId-0="4" captionTargetPageId-1="5" captionTargetPageId-2="6" captionText-0="FIGURE 1. Marquesametra hivaoa n. sp., dorsal habitus. Specimen from Marquesas Islands, Hiva Oa, Mt. Temetiu, CL 6031. Young Sohn illustration." captionText-1="FIGURES 2–4. Marquesametra hivaoa n. sp., morphological details. 2. Male head, dorsal view, with positions of trichobothria indicated. 3. Male ventral right thorax, showing nearly equidistant coxal spacing. 4. Male ventral terminal abdomen. Specimen from French Polynesia, Hiva Oa, Mt. Temetiu, CL 6031." captionText-2="FIGURES 5–8. Photographs of habitat for Marquesametra hivaoa n. sp. on Mt. Temetiu, Hiva Oa, Marquesas Islands, CL 6016 and CL 6031. 5. View of the Mt. Temetiu summit ridge in 2001, with survey camp visible as a blue tarp shelter to the center right of the frame, at an elevation of approximately 1100 m, CL 6031. 6. Dense cloud forest vegetation along the Mt. Temetiu summit ridge, including ferns, Freycineta arborea, and moss-draped Metrosideros collina trees in the upper portion of the frame, the latter supporting M. hivaoa. 7. Dr. J. T. Polhemus applying pyrethrin fog to a mossy tree in search of M. hivaoa. 8. Detail of moss and fern habitat on Mt. Temetiu harboring M. hivaoa." figureDoi-0="http://doi.org/10.5281/zenodo.7119853" figureDoi-1="http://doi.org/10.5281/zenodo.7119855" figureDoi-2="http://doi.org/10.5281/zenodo.7119861" httpUri-0="https://zenodo.org/record/7119853/files/figure.png" httpUri-1="https://zenodo.org/record/7119855/files/figure.png" httpUri-2="https://zenodo.org/record/7119861/files/figure.png" pageId="2" pageNumber="71">Figs. 1–8</figureCitation>
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,
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<figureCitation id="ECAF89EAFFE5FF94F749FCDBFE8FFCB6" box="[269,297,843,869]" captionStart="FIGURE 38" captionStartId="26.[151,250,1171,1195]" captionTargetBox="[151,1436,181,1148]" captionTargetId="figure-26@26.[151,1436,181,1148]" captionTargetPageId="26" captionText="FIGURE 38. Distribution of endemic Hydrometridae species in the southen Marquesas Islands. Circles = Marquesametra hiavoa n. sp.; square = Chaetometra robusta." figureDoi="http://doi.org/10.5281/zenodo.7119895" httpUri="https://zenodo.org/record/7119895/files/figure.png" pageId="2" pageNumber="71">38</figureCitation>
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</paragraph>
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<paragraph id="742B956FFFE5FF94F6D3FC03FC59FC7D" blockId="2.[151,1437,915,2022]" box="[151,1023,915,942]" pageId="2" pageNumber="71">
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<emphasis id="46E0497DFFE5FF94F6D3FC03FE87FC7E" bold="true" box="[151,289,915,941]" pageId="2" pageNumber="71">Description</emphasis>
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. Body small for family, narrow (
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<figureCitation id="ECAF89EAFFE5FF94F4D6FC03FD72FC7E" box="[658,724,915,941]" captionStart="FIGURE 1" captionStartId="4.[151,250,1891,1915]" captionTargetBox="[157,1381,202,1843]" captionTargetId="figure-26@4.[151,1436,179,1865]" captionTargetPageId="4" captionText="FIGURE 1. Marquesametra hivaoa n. sp., dorsal habitus. Specimen from Marquesas Islands, Hiva Oa, Mt. Temetiu, CL 6031. Young Sohn illustration." figureDoi="http://doi.org/10.5281/zenodo.7119853" httpUri="https://zenodo.org/record/7119853/files/figure.png" pageId="2" pageNumber="71">Fig. 1</figureCitation>
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); length less than 5.0 mm.
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</paragraph>
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<paragraph id="742B956FFFE5FF94F683FC27FBDAFC26" blockId="2.[151,1437,915,2022]" pageId="2" pageNumber="71">Color: Ground color brown with abdominal mediotergites lighter; pruinose markings present on dorsal and lateral thorax, and on each laterotergite; ventral surface darker; legs and antennae brown.</paragraph>
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<paragraph id="742B956FFFE5FF94F683FC6FFDABFAC5" blockId="2.[151,1437,915,2022]" pageId="2" pageNumber="71">Structural characters: Head relatively long, 0.55 times the length of the thorax and abdomen combined; anteocular portion slightly shorter than postocular portion, ratio 1.0/1.3; eyes small, width of an eye as viewed from above less than width of interocular space; labium long, reaching onto prosternum between anterior margins of fore acetabula; antennae long, about 0.60 times total body length, slender, antennomere II only slightly longer than antennomere I, antennomere III slightly over 3 times as long as antennomere II, antennomere IV almost exactly 3 times as long as II, antennomere I stouter than antennomeres II–IV, antennomere IV slightly inflated apically; posterior pair of cephalic trichobothria set on low tubercles, length exceeding the distance between these tubercles and anterior margin of pronotum.</paragraph>
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<paragraph id="742B956FFFE5FF94F683FA8FFE5FFA8E" blockId="2.[151,1437,915,2022]" pageId="2" pageNumber="71">Thorax widened posteriorly; pronotal lobe short, extending posteriorly over mesonotum, metanotum exposed, without any trace of wing pads.</paragraph>
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<paragraph id="742B956FFFE5FF94F683FAF8FEECFA1A" blockId="2.[151,1437,915,2022]" pageId="2" pageNumber="71">Legs slender, but not threadlike, total length of hind leg equal to length of body; fore-to-middle versus middleto-hind coxal spacing subequal, ratio 1.00/1.20; pretarsus with both dorsal and ventral arcuate arolia, parempodia long, setae-like.</paragraph>
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<paragraph id="742B956FFFE5FF94F683FA43FC2EF9C1" blockId="2.[151,1437,915,2022]" pageId="2" pageNumber="71">Abdomen with mediotergites II–VII quadrate, equilateral or nearly so; male abdominal sternum VII unmodified, lacking paired sclerotized processes or patches of bristle-like setae.</paragraph>
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</subSubSection>
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<subSubSection id="3C8EC6E4FFE5FF94F683F98BFD10F9E6" box="[199,694,1563,1590]" pageId="2" pageNumber="71" type="type_taxon">
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<paragraph id="742B956FFFE5FF94F683F98BFD10F9E6" blockId="2.[151,1437,915,2022]" box="[199,694,1563,1590]" pageId="2" pageNumber="71">
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<emphasis id="46E0497DFFE5FF94F683F98BFEFBF9E6" bold="true" box="[199,349,1563,1589]" pageId="2" pageNumber="71">Type-species</emphasis>
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.
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<taxonomicName id="B394EEECFFE5FF94F728F98CFDD6F9E6" authority="Polhemus, 2022" authorityName="D. Polhemus" authorityYear="2022" box="[364,624,1563,1589]" class="Insecta" family="Hydrometridae" genus="Marquesametra" kingdom="Animalia" order="Hemiptera" pageId="2" pageNumber="71" phylum="Arthropoda" rank="species" species="hivaoa" status="sp. nov.">
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<emphasis id="46E0497DFFE5FF94F728F98CFDD6F9E6" box="[364,624,1563,1589]" italics="true" pageId="2" pageNumber="71">Marquesametra hivaoa</emphasis>
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</taxonomicName>
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<emphasis id="46E0497DFFE5FF94F43CF98BFD10F9E6" bold="true" box="[632,694,1563,1589]" pageId="2" pageNumber="71">
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<taxonomicNameLabel id="5DD3F406FFE5FF94F43CF98BFD10F9E6" box="[632,694,1563,1589]" pageId="2" pageNumber="71" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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</paragraph>
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</subSubSection>
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<subSubSection id="3C8EC6E4FFE5FF94F683F9AFFD1DF9AE" pageId="2" pageNumber="71" type="etymology">
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<paragraph id="742B956FFFE5FF94F683F9AFFD1DF9AE" blockId="2.[151,1437,915,2022]" pageId="2" pageNumber="71">
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<emphasis id="46E0497DFFE5FF94F683F9AFFEEEF98A" bold="true" box="[199,328,1599,1625]" pageId="2" pageNumber="71">Etymology</emphasis>
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. The generic name
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<taxonomicName id="B394EEECFFE5FF94F463F9D0FD7FF98A" authorityName="D. Polhemus" authorityYear="2022" box="[551,729,1600,1625]" class="Insecta" family="Hydrometridae" genus="Marquesametra" kingdom="Animalia" order="Hemiptera" pageId="2" pageNumber="71" phylum="Arthropoda" rank="genus">
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<emphasis id="46E0497DFFE5FF94F463F9D0FD7FF98A" box="[551,729,1600,1625]" italics="true" pageId="2" pageNumber="71">Marquesametra</emphasis>
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</taxonomicName>
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is derived from the island group, the
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<collectingRegion id="B6505B8DFFE5FF94F2C6F9D0FB58F989" box="[1154,1278,1600,1626]" country="French Polynesia" name="Iles Marquises" pageId="2" pageNumber="71">Marquesas</collectingRegion>
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, to which it is endemic, and
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<emphasis id="46E0497DFFE5FF94F777F9F4FED2F9AE" box="[307,372,1636,1661]" italics="true" pageId="2" pageNumber="71">metra</emphasis>
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, measurer. Gender feminine.
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</paragraph>
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</subSubSection>
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<subSubSection id="3C8EC6E4FFE5FF94F683F917FD0DF972" box="[199,683,1671,1698]" pageId="2" pageNumber="71" type="distribution">
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<paragraph id="742B956FFFE5FF94F683F917FD0DF972" blockId="2.[151,1437,915,2022]" box="[199,683,1671,1698]" pageId="2" pageNumber="71">
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<emphasis id="46E0497DFFE5FF94F683F917FEFFF972" bold="true" box="[199,345,1671,1697]" pageId="2" pageNumber="71">Distribution</emphasis>
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.
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<collectingRegion id="B6505B8DFFE5FF94F723F918FD9CF972" box="[359,570,1671,1698]" country="French Polynesia" name="Iles Marquises" pageId="2" pageNumber="71">Marquesas Islands</collectingRegion>
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, Hiva Oa.
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</paragraph>
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</subSubSection>
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<subSubSection id="3C8EC6E4FFE5FF95F683F93BFD42FC3E" lastPageId="3" lastPageNumber="72" pageId="2" pageNumber="71" type="discussion">
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<paragraph id="742B956FFFE5FF95F683F93BFE80FECE" blockId="2.[151,1437,915,2022]" lastBlockId="3.[151,1437,151,1005]" lastPageId="3" lastPageNumber="72" pageId="2" pageNumber="71">
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<emphasis id="46E0497DFFE5FF94F683F93BFEE3F916" bold="true" box="[199,325,1707,1733]" pageId="2" pageNumber="71">Discussion</emphasis>
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.
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<taxonomicName id="B394EEECFFE5FF94F717F93CFDA3F916" authorityName="D. Polhemus" authorityYear="2022" box="[339,517,1708,1733]" class="Insecta" family="Hydrometridae" genus="Marquesametra" kingdom="Animalia" order="Hemiptera" pageId="2" pageNumber="71" phylum="Arthropoda" rank="genus">
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<emphasis id="46E0497DFFE5FF94F717F93CFDA3F916" box="[339,517,1708,1733]" italics="true" pageId="2" pageNumber="71">Marquesametra</emphasis>
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</taxonomicName>
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is a wingless, terrestrial hydrometrid occurring in the upland cloud forests of Hiva Oa island, in the
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<collectingRegion id="B6505B8DFFE5FF94F714F940FE6FF939" box="[336,457,1744,1770]" country="French Polynesia" name="Iles Marquises" pageId="2" pageNumber="71">Marquesas</collectingRegion>
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group. Although at first glance when seen in the field it resembles a minute
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<taxonomicName id="B394EEECFFE5FF94F349F95FFA33F93A" authorityName="Latreille" authorityYear="1797" box="[1293,1429,1743,1769]" class="Insecta" family="Hydrometridae" genus="Hydrometra" kingdom="Animalia" order="Hemiptera" pageId="2" pageNumber="71" phylum="Arthropoda" rank="genus">
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<emphasis id="46E0497DFFE5FF94F349F95FFA33F93A" box="[1293,1429,1743,1769]" italics="true" pageId="2" pageNumber="71">Hydrometra</emphasis>
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</taxonomicName>
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, it clearly stands apart from that genus by its much shorter head capsule, with the anteocular portion of the head being shorter than the postocular portion (1.00/1.15), versus the character state in
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<taxonomicName id="B394EEECFFE5FF94F262F887FB08F8E2" authorityName="Latreille" authorityYear="1797" box="[1062,1198,1815,1841]" class="Insecta" family="Hydrometridae" genus="Hydrometra" kingdom="Animalia" order="Hemiptera" pageId="2" pageNumber="71" phylum="Arthropoda" rank="genus">
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<emphasis id="46E0497DFFE5FF94F262F887FB08F8E2" box="[1062,1198,1815,1841]" italics="true" pageId="2" pageNumber="71">Hydrometra</emphasis>
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</taxonomicName>
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where the anteocular head is 2–3 times longer than the postocular portion (see J. Polhemus & D.
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<bibRefCitation id="1005E89EFFE5FF94F5B1F8ABFB14F885" author="Polhemus, J. T. & Polhemus, D. A." box="[1013,1202,1851,1878]" pageId="2" pageNumber="71" pagination="9 - 72" refId="ref15755" refString="Polhemus, J. T. & Polhemus, D. A. (1995 c) Revision of the genus Hydrometra Latrielle in Indochina and the western Malay Archipelago (Heteroptera: Hydrometridae). Bishop Museum Occasional Papers, 43, 9 - 72." type="journal article" year="1995">Polhemus 1995c</bibRefCitation>
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,
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<figureCitation id="ECAF89EAFFE5FF94F2FBF8ABFAA3F886" box="[1215,1285,1851,1877]" captionStart="FIGURES 2–4" captionStartId="5.[151,264,1903,1927]" captionTargetBox="[151,1436,489,1879]" captionTargetId="figure-166@5.[151,1436,489,1880]" captionTargetPageId="5" captionText="FIGURES 2–4. Marquesametra hivaoa n. sp., morphological details. 2. Male head, dorsal view, with positions of trichobothria indicated. 3. Male ventral right thorax, showing nearly equidistant coxal spacing. 4. Male ventral terminal abdomen. Specimen from French Polynesia, Hiva Oa, Mt. Temetiu, CL 6031." figureDoi="http://doi.org/10.5281/zenodo.7119855" httpUri="https://zenodo.org/record/7119855/files/figure.png" pageId="2" pageNumber="71">Fig. 2</figureCitation>
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||
). In addition, the abdomen is proportionally shorter and broader, with the abdominal mediotergites of
|
||
<taxonomicName id="B394EEECFFE5FF94F2E5F8F0FAF5F8AA" authorityName="D. Polhemus" authorityYear="2022" box="[1185,1363,1888,1913]" class="Insecta" family="Hydrometridae" genus="Marquesametra" kingdom="Animalia" order="Hemiptera" pageId="2" pageNumber="71" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="46E0497DFFE5FF94F2E5F8F0FAF5F8AA" box="[1185,1363,1888,1913]" italics="true" pageId="2" pageNumber="71">Marquesametra</emphasis>
|
||
</taxonomicName>
|
||
being square and equilateral, versus the character state seen in
|
||
<taxonomicName id="B394EEECFFE5FF94F548F813FC32F84E" authorityName="Latreille" authorityYear="1797" box="[780,916,1923,1949]" class="Insecta" family="Hydrometridae" genus="Hydrometra" kingdom="Animalia" order="Hemiptera" pageId="2" pageNumber="71" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="46E0497DFFE5FF94F548F813FC32F84E" box="[780,916,1923,1949]" italics="true" pageId="2" pageNumber="71">Hydrometra</emphasis>
|
||
</taxonomicName>
|
||
, where these tergites take the form of elongate rectangles with their lengths being over 4 times their widths (see J. Polhemus & D.
|
||
<bibRefCitation id="1005E89EFFE5FF94F209F837FAACF811" author="Polhemus, J. T. & Polhemus, D. A." box="[1101,1290,1959,1986]" pageId="2" pageNumber="71" pagination="9 - 72" refId="ref15755" refString="Polhemus, J. T. & Polhemus, D. A. (1995 c) Revision of the genus Hydrometra Latrielle in Indochina and the western Malay Archipelago (Heteroptera: Hydrometridae). Bishop Museum Occasional Papers, 43, 9 - 72." type="journal article" year="1995">Polhemus 1995c</bibRefCitation>
|
||
,
|
||
<figureCitation id="ECAF89EAFFE5FF94F353F837FAFAF812" box="[1303,1372,1959,1985]" captionStart="FIGURES 2–4" captionStartId="5.[151,264,1903,1927]" captionTargetBox="[151,1436,489,1879]" captionTargetId="figure-166@5.[151,1436,489,1880]" captionTargetPageId="5" captionText="FIGURES 2–4. Marquesametra hivaoa n. sp., morphological details. 2. Male head, dorsal view, with positions of trichobothria indicated. 3. Male ventral right thorax, showing nearly equidistant coxal spacing. 4. Male ventral terminal abdomen. Specimen from French Polynesia, Hiva Oa, Mt. Temetiu, CL 6031." figureDoi="http://doi.org/10.5281/zenodo.7119855" httpUri="https://zenodo.org/record/7119855/files/figure.png" pageId="2" pageNumber="71">Fig. 4</figureCitation>
|
||
). The spacing between the fore-versus-middle and middle-versus-hind coxae in
|
||
<emphasis id="46E0497DFFE5FF94F58AF85CFB27F836" box="[974,1153,1996,2021]" italics="true" pageId="2" pageNumber="71">Marquesamatra</emphasis>
|
||
is nearly subequal, being 1.0/1.2, whereas in
|
||
<taxonomicName id="B394EEECFFE4FF95F72AFF07FE50FF62" authorityName="Latreille" authorityYear="1797" box="[366,502,151,177]" class="Insecta" family="Hydrometridae" genus="Hydrometra" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="72" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="46E0497DFFE4FF95F72AFF07FE50FF62" box="[366,502,151,177]" italics="true" pageId="3" pageNumber="72">Hydrometra</emphasis>
|
||
</taxonomicName>
|
||
the hind coxae are far more posteriorly displaced, with this ratio usually on the order of 1.0/2.0. Finally, the legs of
|
||
<taxonomicName id="B394EEECFFE4FF95F7A2FF2BFD3EFF07" authorityName="D. Polhemus" authorityYear="2022" box="[486,664,187,212]" class="Insecta" family="Hydrometridae" genus="Marquesametra" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="72" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="46E0497DFFE4FF95F7A2FF2BFD3EFF07" box="[486,664,187,212]" italics="true" pageId="3" pageNumber="72">Marquesametra</emphasis>
|
||
</taxonomicName>
|
||
are also relatively shorter and stouter in relation to the body, with the total length of the hind leg being merely equal to the length of the body, versus clearly exceeding the body length in
|
||
<taxonomicName id="B394EEECFFE4FF95F6D3FE93FEB9FECE" authorityName="Latreille" authorityYear="1797" box="[151,287,259,285]" class="Insecta" family="Hydrometridae" genus="Hydrometra" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="72" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="46E0497DFFE4FF95F6D3FE93FEB9FECE" box="[151,287,259,285]" italics="true" pageId="3" pageNumber="72">Hydrometra</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="742B956FFFE4FF95F683FEB7FC46FDB2" blockId="3.[151,1437,151,1005]" pageId="3" pageNumber="72">
|
||
This genus shows certain similarities to the subsequently described
|
||
<taxonomicName id="B394EEECFFE4FF95F588FEB7FBD1FE92" authorityName="D. Polhemus" authorityYear="2022" box="[972,1143,295,321]" class="Insecta" family="Hydrometridae" genus="Prohydrometra" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="72" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="46E0497DFFE4FF95F588FEB7FBD1FE92" box="[972,1143,295,321]" italics="true" pageId="3" pageNumber="72">Prohydrometra</emphasis>
|
||
</taxonomicName>
|
||
from the Society Islands, but in that genus the fore-middle versus middle-hind coxal spacing ratio is slightly more unequal, being greater than 1.4 (compare
|
||
<figureCitation id="ECAF89EAFFE4FF95F738FEFFFE69FE5A" box="[380,463,367,393]" captionStart="FIGURES 2–4" captionStartId="5.[151,264,1903,1927]" captionTargetBox="[151,1436,489,1879]" captionTargetId="figure-166@5.[151,1436,489,1880]" captionTargetPageId="5" captionText="FIGURES 2–4. Marquesametra hivaoa n. sp., morphological details. 2. Male head, dorsal view, with positions of trichobothria indicated. 3. Male ventral right thorax, showing nearly equidistant coxal spacing. 4. Male ventral terminal abdomen. Specimen from French Polynesia, Hiva Oa, Mt. Temetiu, CL 6031." figureDoi="http://doi.org/10.5281/zenodo.7119855" httpUri="https://zenodo.org/record/7119855/files/figure.png" pageId="3" pageNumber="72">Figs. 3</figureCitation>
|
||
,
|
||
<figureCitation id="ECAF89EAFFE4FF95F7A7FEFFFE55FE5A" box="[483,499,367,393]" captionStart="FIGURES 9, 10" captionStartId="8.[151,264,1880,1904]" captionTargetBox="[151,1436,181,1857]" captionTargetId="figure-26@8.[151,1436,181,1857]" captionTargetPageId="8" captionText="FIGURES 9, 10. Prohydrometra gagnei, morphological details. 9. Male ventral left thorax, showing coxal spacing. 10. Male head, dorsal view, with positions of cephalic trichobothria indicated. Specimen from French Polynesia, Tahiti, Mt. Marau, CL 7498." figureDoi="http://doi.org/10.5281/zenodo.7119865" httpUri="https://zenodo.org/record/7119865/files/figure.png" pageId="3" pageNumber="72">9</figureCitation>
|
||
,
|
||
<figureCitation id="ECAF89EAFFE4FF95F441FEFFFD82FE5A" box="[517,548,367,393]" captionStart="FIGURES 12–15" captionStartId="11.[151,264,1943,1967]" captionTargetBox="[256,1360,184,1918]" captionTargetId="figure-15@11.[227,1360,181,1919]" captionTargetPageId="11" captionText="FIGURES 12–15. Prohydrometra englundi n. sp., female, morphological details. 12. Head, dorsal view, with positions of cephalic trichobothria indicated. 13. Ventral left thorax, showing coxal spacing. 14. Terminal abdomen, ventral view. 15. Left foreleg, ventral view. Specimen from French Polynesia, Raiatea, Mt. Toomaru." figureDoi="http://doi.org/10.5281/zenodo.7119871" httpUri="https://zenodo.org/record/7119871/files/figure.png" pageId="3" pageNumber="72">13</figureCitation>
|
||
). The abdomen in
|
||
<taxonomicName id="B394EEECFFE4FF95F54AFEFFFC1FFE5A" authorityName="D. Polhemus" authorityYear="2022" box="[782,953,367,393]" class="Insecta" family="Hydrometridae" genus="Prohydrometra" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="72" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="46E0497DFFE4FF95F54AFEFFFC1FFE5A" box="[782,953,367,393]" italics="true" pageId="3" pageNumber="72">Prohydrometra</emphasis>
|
||
</taxonomicName>
|
||
is also slightly more elongate, with the abdominal mediotergites being slightly rectangular, and longer than wide. The male abdominal sternum VII in
|
||
<taxonomicName id="B394EEECFFE4FF95F6D3FE27FEE4FE02" authorityName="D. Polhemus" authorityYear="2022" box="[151,322,439,465]" class="Insecta" family="Hydrometridae" genus="Prohydrometra" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="72" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="46E0497DFFE4FF95F6D3FE27FEE4FE02" box="[151,322,439,465]" italics="true" pageId="3" pageNumber="72">Prohydrometra</emphasis>
|
||
</taxonomicName>
|
||
also exhibits consistent modifications in the form of paired processes or setal patches, which are absent in
|
||
<taxonomicName id="B394EEECFFE4FF95F741FE4BFE11FE27" authorityName="D. Polhemus" authorityYear="2022" box="[261,439,475,500]" class="Insecta" family="Hydrometridae" genus="Marquesametra" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="72" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="46E0497DFFE4FF95F741FE4BFE11FE27" box="[261,439,475,500]" italics="true" pageId="3" pageNumber="72">Marquesametra</emphasis>
|
||
</taxonomicName>
|
||
and the other two endemic Marquesan genera. Finally, in all species of
|
||
<taxonomicName id="B394EEECFFE4FF95F2AFFE4BFA30FE26" authorityName="D. Polhemus" authorityYear="2022" box="[1259,1430,475,501]" class="Insecta" family="Hydrometridae" genus="Prohydrometra" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="72" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="46E0497DFFE4FF95F2AFFE4BFA30FE26" box="[1259,1430,475,501]" italics="true" pageId="3" pageNumber="72">Prohydrometra</emphasis>
|
||
</taxonomicName>
|
||
, antennomere III is extremely prolonged, being 5 times the length of antennomere II (
|
||
<figureCitation id="ECAF89EAFFE4FF95F213FE6FFB0FFDCA" box="[1111,1193,511,537]" captionStart="FIGURE 11" captionStartId="10.[151,250,1665,1689]" captionTargetBox="[151,1436,181,1641]" captionTargetId="figure-26@10.[151,1436,181,1641]" captionTargetPageId="10" captionText="FIGURE 11. Prohydrometra johnpolhemi n. sp., head in lateral view, showing very long antennal segment III diagnostic for this genus. Specimen from French Polynesia, Raiatea, Trois Cascade, CL 7521." figureDoi="http://doi.org/10.5281/zenodo.7119867" httpUri="https://zenodo.org/record/7119867/files/figure.png" pageId="3" pageNumber="72">Fig. 11</figureCitation>
|
||
), versus only about 3 times as long in
|
||
<taxonomicName id="B394EEECFFE4FF95F709FDB3FE59FDEF" authorityName="D. Polhemus" authorityYear="2022" box="[333,511,547,572]" class="Insecta" family="Hydrometridae" genus="Marquesametra" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="72" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="46E0497DFFE4FF95F709FDB3FE59FDEF" box="[333,511,547,572]" italics="true" pageId="3" pageNumber="72">Marquesametra</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="ECAF89EAFFE4FF95F44AFDB3FDE9FDEE" box="[526,591,547,573]" captionStart="FIGURE 1" captionStartId="4.[151,250,1891,1915]" captionTargetBox="[157,1381,202,1843]" captionTargetId="figure-26@4.[151,1436,179,1865]" captionTargetPageId="4" captionText="FIGURE 1. Marquesametra hivaoa n. sp., dorsal habitus. Specimen from Marquesas Islands, Hiva Oa, Mt. Temetiu, CL 6031. Young Sohn illustration." figureDoi="http://doi.org/10.5281/zenodo.7119853" httpUri="https://zenodo.org/record/7119853/files/figure.png" pageId="3" pageNumber="72">Fig. 1</figureCitation>
|
||
). The two genera also inhabit different volcanic archipelagoes separated by an ancient water gap of over
|
||
<quantity id="B36C388AFFE4FF95F798FDD7FDE4FDB2" box="[476,578,583,609]" metricMagnitude="6" metricUnit="m" metricValue="1.4" pageId="3" pageNumber="72" unit="km" value="1400.0">1400 km</quantity>
|
||
, and as such are markedly allopatric.
|
||
</paragraph>
|
||
<paragraph id="742B956FFFE4FF95F683FDFBFC83FCC6" blockId="3.[151,1437,151,1005]" pageId="3" pageNumber="72">
|
||
In comparison to the other two endemic genera of
|
||
<taxonomicName id="B394EEECFFE4FF95F4AFFDFBFC33FD56" authorityName="Polhemus" authorityYear="2022" box="[747,917,619,645]" class="Insecta" family="Hydrometridae" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="72" phylum="Arthropoda" rank="family">Hydrometridae</taxonomicName>
|
||
found in the
|
||
<collectingRegion id="B6505B8DFFE4FF95F267FDFBFB39FD56" box="[1059,1183,619,645]" country="French Polynesia" name="Iles Marquises" pageId="3" pageNumber="72">Marquesas</collectingRegion>
|
||
,
|
||
<taxonomicName id="B394EEECFFE4FF95F2ECFDFBFA3AFD56" authorityName="Hungerford" authorityYear="1939" box="[1192,1436,619,645]" class="Insecta" family="Hydrometridae" genus="Dolichocephalometra" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="72" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="46E0497DFFE4FF95F2ECFDFBFA3AFD56" box="[1192,1436,619,645]" italics="true" pageId="3" pageNumber="72">Dolichocephalometra</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="B394EEECFFE4FF95F683FD1FFEFFFD7A" authorityName="Hungerford" authorityYear="1950" box="[199,345,655,681]" class="Insecta" family="Hydrometridae" genus="Chaetometra" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="72" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="46E0497DFFE4FF95F683FD1FFEFFFD7A" box="[199,345,655,681]" italics="true" pageId="3" pageNumber="72">Chaetometra</emphasis>
|
||
</taxonomicName>
|
||
, the differing form of the head capsules will easily separate these two taxa from
|
||
<taxonomicName id="B394EEECFFE4FF95F2AEFD1FFA3AFD7B" authorityName="D. Polhemus" authorityYear="2022" box="[1258,1436,655,680]" class="Insecta" family="Hydrometridae" genus="Marquesametra" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="72" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="46E0497DFFE4FF95F2AEFD1FFA3AFD7B" box="[1258,1436,655,680]" italics="true" pageId="3" pageNumber="72">Marquesametra</emphasis>
|
||
</taxonomicName>
|
||
(compare
|
||
<figureCitation id="ECAF89EAFFE4FF95F74CFD23FEF3FD1E" box="[264,341,691,717]" captionStart="FIGURE 1" captionStartId="4.[151,250,1891,1915]" captionTargetBox="[157,1381,202,1843]" captionTargetId="figure-26@4.[151,1436,179,1865]" captionTargetPageId="4" captionText="FIGURE 1. Marquesametra hivaoa n. sp., dorsal habitus. Specimen from Marquesas Islands, Hiva Oa, Mt. Temetiu, CL 6031. Young Sohn illustration." figureDoi="http://doi.org/10.5281/zenodo.7119853" httpUri="https://zenodo.org/record/7119853/files/figure.png" pageId="3" pageNumber="72">Figs. 1</figureCitation>
|
||
,
|
||
<figureCitation id="ECAF89EAFFE4FF95F727FD23FE27FD1E" box="[355,385,691,717]" captionStart="FIGURES 30–32" captionStartId="22.[151,264,1943,1967]" captionTargetBox="[267,1319,181,1919]" captionTargetId="figure-26@22.[267,1319,181,1919]" captionTargetPageId="22" captionText="FIGURES 30–32. Dolichocephalometra pacifica, holotype, structural details. 30. Lateral view. 31. Dorsal view. 32. Head." figureDoi="http://doi.org/10.5281/zenodo.7119885" httpUri="https://zenodo.org/record/7119885/files/figure.png" pageId="3" pageNumber="72">32</figureCitation>
|
||
,
|
||
<figureCitation id="ECAF89EAFFE4FF95F7CAFD23FE08FD1E" box="[398,430,691,717]" captionStart="FIGURES 35–37" captionStartId="25.[151,264,2010,2034]" captionTargetBox="[151,1436,273,1987]" captionTargetId="figure-61@25.[151,1436,273,1987]" captionTargetPageId="25" captionText="FIGURES 35–37. Chaetometra robusta, holotype, structural details. 35. Lateral view. 36. Dorsal view. 37. Head." figureDoi="http://doi.org/10.5281/zenodo.7119891" httpUri="https://zenodo.org/record/7119891/files/figure.png" pageId="3" pageNumber="72">37</figureCitation>
|
||
). In
|
||
<taxonomicName id="B394EEECFFE4FF95F7A4FD23FD72FD1E" authorityName="Hungerford" authorityYear="1939" box="[480,724,691,717]" class="Insecta" family="Hydrometridae" genus="Dolichocephalometra" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="72" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="46E0497DFFE4FF95F7A4FD23FD72FD1E" box="[480,724,691,717]" italics="true" pageId="3" pageNumber="72">Dolichocephalometra</emphasis>
|
||
</taxonomicName>
|
||
the head is very elongate, being nearly as long as the body and having the eyes highly reduced, while the head capsule in
|
||
<taxonomicName id="B394EEECFFE4FF95F553FD47FC0FFD22" authorityName="Hungerford" authorityYear="1950" box="[791,937,727,753]" class="Insecta" family="Hydrometridae" genus="Chaetometra" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="72" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="46E0497DFFE4FF95F553FD47FC0FFD22" box="[791,937,727,753]" italics="true" pageId="3" pageNumber="72">Chaetometra</emphasis>
|
||
</taxonomicName>
|
||
is much shorter and bears long, erect pilosity that also occurs on the remainder of the body and the legs.
|
||
</paragraph>
|
||
<paragraph id="742B956FFFE4FF95F683FC8FFD42FC3E" blockId="3.[151,1437,151,1005]" pageId="3" pageNumber="72">
|
||
All of the genera discussed above do share certain common character states, including: 1) the posterior pair of cephalic trichobothria set on low tubercles; 2) pretarsus with both dorsal and ventral arcuate arolia, and long, setae-like parempodia, 3) an absence of modifications to male abdominal sternum VII; and 4) a simple cuticular microstructure consisting of short, slightly curling setae covering the body, with interspersed longer, dark, bristlelike setae, but with an absence of dark denticles or plates. These character states are all considered plesiomorphic within
|
||
<taxonomicName id="B394EEECFFE4FF95F6A2FC43FE36FC3E" authorityName="Polhemus" authorityYear="2022" box="[230,400,979,1005]" class="Insecta" family="Hydrometridae" kingdom="Animalia" order="Hemiptera" pageId="3" pageNumber="72" phylum="Arthropoda" rank="family">Hydrometridae</taxonomicName>
|
||
as a whole (
|
||
<bibRefCitation id="1005E89EFFE4FF95F45FFC43FD7EFC3E" author="Andersen, N. M." box="[539,728,979,1005]" pageId="3" pageNumber="72" pagination="1 - 455" refId="ref14567" refString="Andersen, N. M. (1982 a) The Semiaquatic Bugs (Hemiptera, Gerromorpha). Phylogeny, adaptations, biogeography, and classification. Entomonograph, 3, 1 - 455." type="journal article" year="1982">Andersen 1982a</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |