373 lines
37 KiB
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373 lines
37 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/dez.62.8154" ID-GBIF-Dataset="979c2655-f10d-490c-ac9b-885e1b5e1caa" ID-GBIF-Taxon="182223801" ID-Pensoft-Pub="1860-1324-2-133" ID-Pensoft-UUID="1E0B002454A45104BFF438EAFACCD366" ID-Zenodo-Dep="575715" ID-ZooBank="43543E223B9C4CB1B1D92316F6616695" LSID="urn:lsid:zoobank.org:act:9B857E19-8FE4-4B25-85D8-19872CC26B5C" ModsDocID="1860-1324-61-2-133" checkinTime="1621372695959" checkinUser="pensoft" docAuthor="Subramanian, K. A., Basu, Srimoyee & Zettel, Herbert" docDate="2014" docId="C84A3BB79CDB2B9C8FA75AA2D85DDE7E" docLanguage="en" docName="DeutEntomolZeit 61(2): 133-139" docOrigin="Deutsche Entomologische Zeitschrift 61 (2)" docPubDate="2014-10-28" docSource="http://dx.doi.org/10.3897/dez.62.8154" docTitle="Onychotrechus dooarsicus Subramanian & Basu & Zettel 2014, sp. n." docType="treatment" docUuid="9B857E19-8FE4-4B25-85D8-19872CC26B5C" docUuidSource="ZooBank" docVersion="4" id="1E0B002454A45104BFF438EAFACCD366" lastPageId="2" lastPageNumber="135" masterDocId="1E0B002454A45104BFF438EAFACCD366" masterDocTitle="A new species of Onychotrechus Kirkaldy, 1903 (Hemiptera, Heteroptera, Gerridae) from Dooars, West Bengal, India, and a key to males of all species" masterLastPageNumber="139" masterPageNumber="133" pageId="0" pageNumber="133" updateTime="1643529304570" 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>A new species of Onychotrechus Kirkaldy, 1903 (Hemiptera, Heteroptera, Gerridae) from Dooars, West Bengal, India, and a key to males of all 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>Subramanian, K. A.</mods:namePart>
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<mods:affiliation>Zoological Survey of India, M-Block, New Alipore, Kolkata 700053, India</mods:affiliation>
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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>Basu, Srimoyee</mods:namePart>
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<mods:affiliation>Zoological Survey of India, M-Block, New Alipore, Kolkata 700053, India</mods:affiliation>
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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>Zettel, Herbert</mods:namePart>
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<mods:affiliation>Natural History Museum Vienna, Entomological Department, Burgring 7, A- 1010 Vienna, Austria</mods:affiliation>
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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>Deutsche Entomologische Zeitschrift</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2014</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2014-10-28</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>61</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>2</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>133</mods:start>
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<mods:end>139</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/dez.62.8154</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/dez.62.8154</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1860-1324-2-133</mods:identifier>
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<mods:identifier type="ZooBank">43543E223B9C4CB1B1D92316F6616695</mods:identifier>
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<mods:identifier type="Pensoft-UUID">1E0B002454A45104BFF438EAFACCD366</mods:identifier>
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<mods:identifier type="Zenodo-Dep">575715</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="182223801" LSID="urn:lsid:zoobank.org:act:9B857E19-8FE4-4B25-85D8-19872CC26B5C" httpUri="http://treatment.plazi.org/id/C84A3BB79CDB2B9C8FA75AA2D85DDE7E" lastPageId="2" lastPageNumber="135" pageId="0" pageNumber="133">
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<subSubSection pageId="0" pageNumber="133" type="nomenclature">
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<paragraph pageId="0" pageNumber="133">
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<taxonomicName LSID="http://zoobank.org/9B857E19-8FE4-4B25-85D8-19872CC26B5C" authority="Subramanian & Basu & Zettel, 2014" authorityName="Subramanian & Basu & Zettel" authorityYear="2014" class="Insecta" family="Gerridae" genus="Onychotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychotrechus dooarsicus" order="Hemiptera" pageId="0" pageNumber="133" phylum="Arthropoda" rank="species" species="dooarsicus" status="sp. n.">Onychotrechus dooarsicus</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="133">sp. n.</taxonomicNameLabel>
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<figureCitation captionStart="Figures 1–5" captionStartId="F1" captionText="Figures 1 - 5. Onychotrechus dooarsicus sp. n. 1. Dorsal view of apterous male. 2. Dorsal view of apterous female. 3. Head and pronotal marking pattern in male. 4. Meso- and metanotal marking pattern in male. 5. Marking pattern in female." pageId="0" pageNumber="133">Figs 1</figureCitation>
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<figureCitation captionStart="Figures 14–19" captionStartId="F3" captionText="Figures 14 - 19. Onychotrechus dooarsicus sp. n. 14. Abdominal tergites of female. 15. Abdominal sternites of female. 16. Dissected genital segments of male. 17. Proctiger of male. 18. Endosoma, lateral view. 19. Left paramere, lateral view." pageId="0" pageNumber="133">-19</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="133" type="holotype">
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<paragraph pageId="0" pageNumber="133">Holotype</paragraph>
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<paragraph pageId="0" pageNumber="133">
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(apterous male): INDIA: West Bengal; Jalpaiguri; Buxa Jhora near Buxa fort; Buxa Tiger Reserve,
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<geoCoordinate degrees="26.76223" direction="north" orientation="latitude" precision="1" value="26.76223">26.76223° N</geoCoordinate>
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,
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<geoCoordinate degrees="89.59968" direction="east" orientation="longitude" precision="1" value="89.59968">89.59968° E</geoCoordinate>
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, 630 m a. s. l., 19.IV.2013, Srimoyee Basu (
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<emphasis bold="true" pageId="0" pageNumber="133">Reg. No.: 3130/H15</emphasis>
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).
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<emphasis italics="true" pageId="0" pageNumber="133">Paratypes</emphasis>
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: one apterous male, one apterous female, same data as holotype (
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<emphasis bold="true" pageId="0" pageNumber="133">Reg. No.: 3131/H15</emphasis>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="133" type="type locality">
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<paragraph pageId="0" pageNumber="133">Type locality.</paragraph>
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<paragraph pageId="0" pageNumber="133">INDIA: West Bengal; Jalpaiguri; Buxa Jhora near Buxa fort; Buxa Tiger Reserve; stream with large rocks, stones in forested areas.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="133" type="description of apterous male">
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<paragraph pageId="0" pageNumber="133">Description of apterous male</paragraph>
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<paragraph pageId="0" pageNumber="133">
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<emphasis bold="true" pageId="0" pageNumber="133">
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(Fig.
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<figureCitation captionStart="Figures 1–5" captionStartId="F1" captionText="Figures 1 - 5. Onychotrechus dooarsicus sp. n. 1. Dorsal view of apterous male. 2. Dorsal view of apterous female. 3. Head and pronotal marking pattern in male. 4. Meso- and metanotal marking pattern in male. 5. Marking pattern in female." pageId="0" pageNumber="133">1</figureCitation>
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).
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</emphasis>
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<emphasis italics="true" pageId="0" pageNumber="133">Size</emphasis>
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: Body length (from head tip to tip of proctiger) of apterous male holotype 3.30, male paratype 3.27; maximum width of body across mesoacetabula 1.12 (holotype), 1.07 (paratype).
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</paragraph>
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<caption pageId="0" pageNumber="133" start="Figures 1–5" startId="F1">
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<paragraph pageId="0" pageNumber="133">
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<emphasis bold="true" pageId="0" pageNumber="133">Figures 1-5.</emphasis>
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<taxonomicName authorityName="Subramanian & Basu & Zettel" authorityYear="2014" class="Insecta" family="Gerridae" genus="Onychotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychotrechus dooarsicus" order="Hemiptera" pageId="0" pageNumber="133" phylum="Arthropoda" rank="species" species="dooarsicus">
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<emphasis italics="true" pageId="0" pageNumber="133">Onychotrechus dooarsicus</emphasis>
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</taxonomicName>
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sp. n.
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<emphasis bold="true" pageId="0" pageNumber="133">1.</emphasis>
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Dorsal view of apterous male.
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<emphasis bold="true" pageId="0" pageNumber="133">2.</emphasis>
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Dorsal view of apterous female.
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<emphasis bold="true" pageId="0" pageNumber="133">3.</emphasis>
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Head and pronotal marking pattern in male.
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<emphasis bold="true" pageId="0" pageNumber="133">4.</emphasis>
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Meso- and metanotal marking pattern in male.
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<emphasis bold="true" pageId="0" pageNumber="133">5.</emphasis>
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Marking pattern in female.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="133">
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<emphasis italics="true" pageId="0" pageNumber="133">Colour</emphasis>
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: Body dorsally black with yellow markings. Head with a median yellow longitudinal stripe, which ends in a blunt arrow head (Fig.
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<figureCitation captionStart="Figures 1–5" captionStartId="F1" captionText="Figures 1 - 5. Onychotrechus dooarsicus sp. n. 1. Dorsal view of apterous male. 2. Dorsal view of apterous female. 3. Head and pronotal marking pattern in male. 4. Meso- and metanotal marking pattern in male. 5. Marking pattern in female." pageId="0" pageNumber="133">3</figureCitation>
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); head anteriorly and along medial and posterior eye margins yellow. Antenna and leg segments yellowish brown. Pronotum with two broad yellow sub-lateral stripes, a thin median yellow stripe, and two yellow curved lateral stripes. Meso- and metanotum (Fig.
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<figureCitation captionStart="Figures 1–5" captionStartId="F1" captionText="Figures 1 - 5. Onychotrechus dooarsicus sp. n. 1. Dorsal view of apterous male. 2. Dorsal view of apterous female. 3. Head and pronotal marking pattern in male. 4. Meso- and metanotal marking pattern in male. 5. Marking pattern in female." pageId="0" pageNumber="133">4</figureCitation>
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) with two thin lateral stripes, two broad sub-lateral stripes and an indistinct short yellow median line. Abdominal tergites completely black (Figs
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<figureCitation captionStart="Figures 1–5" captionStartId="F1" captionText="Figures 1 - 5. Onychotrechus dooarsicus sp. n. 1. Dorsal view of apterous male. 2. Dorsal view of apterous female. 3. Head and pronotal marking pattern in male. 4. Meso- and metanotal marking pattern in male. 5. Marking pattern in female." pageId="0" pageNumber="133">4</figureCitation>
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,
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<figureCitation captionStart="Figures 6–13" captionStartId="F2" captionText="Figures 6 - 13. Onychotrechus dooarsicus sp. n. 6. Mesosternum of male, ventral view. 7. Lateral view of female. 8. Forefemur of male. 9. Foretibia and tarsi of male. 10. Foreleg of female. 11. Foreleg claws in male. 12. Abdominal tergites of male. 13. Abdominal sternites with genital segments in male." pageId="0" pageNumber="133">12</figureCitation>
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). Forefemur yellow with one broad dark band on dorsal side and one very slender dark brown band on extensor side. Venter yellow. Mesosternum (Fig.
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<figureCitation captionStart="Figures 6–13" captionStartId="F2" captionText="Figures 6 - 13. Onychotrechus dooarsicus sp. n. 6. Mesosternum of male, ventral view. 7. Lateral view of female. 8. Forefemur of male. 9. Foretibia and tarsi of male. 10. Foreleg of female. 11. Foreleg claws in male. 12. Abdominal tergites of male. 13. Abdominal sternites with genital segments in male." pageId="0" pageNumber="133">6</figureCitation>
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) with paired black patches behind forecoxae and metasternum posteriorly with an almost W-shaped broad dark region. Abdominal sternites pale yellowish brown (Fig.
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<figureCitation captionStart="Figures 6–13" captionStartId="F2" captionText="Figures 6 - 13. Onychotrechus dooarsicus sp. n. 6. Mesosternum of male, ventral view. 7. Lateral view of female. 8. Forefemur of male. 9. Foretibia and tarsi of male. 10. Foreleg of female. 11. Foreleg claws in male. 12. Abdominal tergites of male. 13. Abdominal sternites with genital segments in male." pageId="0" pageNumber="133">13</figureCitation>
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).
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</paragraph>
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<caption pageId="0" pageNumber="133" start="Figures 6–13" startId="F2">
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<paragraph pageId="0" pageNumber="133">
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<emphasis bold="true" pageId="0" pageNumber="133">Figures 6-13.</emphasis>
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<taxonomicName authorityName="Subramanian & Basu & Zettel" authorityYear="2014" class="Insecta" family="Gerridae" genus="Onychotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychotrechus dooarsicus" order="Hemiptera" pageId="0" pageNumber="133" phylum="Arthropoda" rank="species" species="dooarsicus">
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<emphasis italics="true" pageId="0" pageNumber="133">Onychotrechus dooarsicus</emphasis>
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</taxonomicName>
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sp. n.
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<emphasis bold="true" pageId="0" pageNumber="133">6.</emphasis>
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Mesosternum of male, ventral view.
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<emphasis bold="true" pageId="0" pageNumber="133">7.</emphasis>
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Lateral view of female.
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<emphasis bold="true" pageId="0" pageNumber="133">8.</emphasis>
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Forefemur of male.
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<emphasis bold="true" pageId="0" pageNumber="133">9.</emphasis>
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Foretibia and tarsi of male.
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<emphasis bold="true" pageId="0" pageNumber="133">10.</emphasis>
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Foreleg of female.
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<emphasis bold="true" pageId="0" pageNumber="133">11.</emphasis>
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Foreleg claws in male.
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<emphasis bold="true" pageId="0" pageNumber="133">12.</emphasis>
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Abdominal tergites of male.
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<emphasis bold="true" pageId="0" pageNumber="133">13.</emphasis>
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Abdominal sternites with genital segments in male.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="133" type="structural characteristics">
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<paragraph pageId="0" pageNumber="133">Structural characteristics</paragraph>
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<paragraph pageId="0" pageNumber="133">(measurements refer to holotype). Head length 0.64, width 0.89. Interocular width 2 times as large as eye width (0.45: 0.22). Eye length 0.44. Length of antennal segments 1-4: 0.96, 0.94, 0.89, 1.38; first antennomere with three spines distally, being two long, and a small one arising near base of first spine. Rostrum reaching up to mid-way of mesosternum, length 1.50.</paragraph>
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<paragraph pageId="0" pageNumber="133">
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Pronotum 0.84 mm in width; pronotum length 0.53, width 0.79. Combined length of mesonotum and metanotum 1.12, width 0.98. Mesosternum (Fig.
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<figureCitation captionStart="Figures 6–13" captionStartId="F2" captionText="Figures 6 - 13. Onychotrechus dooarsicus sp. n. 6. Mesosternum of male, ventral view. 7. Lateral view of female. 8. Forefemur of male. 9. Foretibia and tarsi of male. 10. Foreleg of female. 11. Foreleg claws in male. 12. Abdominal tergites of male. 13. Abdominal sternites with genital segments in male." pageId="0" pageNumber="133">6</figureCitation>
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) modified, with narrow median groove slightly widened posteriorly; depression with black, scattered setae directed to its centre; posterior swelling with densely arranged long stout black setae covering base of mesosternum. Forefemur (Fig.
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<figureCitation captionStart="Figures 6–13" captionStartId="F2" captionText="Figures 6 - 13. Onychotrechus dooarsicus sp. n. 6. Mesosternum of male, ventral view. 7. Lateral view of female. 8. Forefemur of male. 9. Foretibia and tarsi of male. 10. Foreleg of female. 11. Foreleg claws in male. 12. Abdominal tergites of male. 13. Abdominal sternites with genital segments in male." pageId="0" pageNumber="133">8</figureCitation>
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) slender, widened basally, but almost evenly tapering apically; length of forefemur 1.17, width 0.25; forefemur apically with a few setae and with short dark stiff setae distributed throughout. Foretibia (Fig.
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<figureCitation captionStart="Figures 6–13" captionStartId="F2" captionText="Figures 6 - 13. Onychotrechus dooarsicus sp. n. 6. Mesosternum of male, ventral view. 7. Lateral view of female. 8. Forefemur of male. 9. Foretibia and tarsi of male. 10. Foreleg of female. 11. Foreleg claws in male. 12. Abdominal tergites of male. 13. Abdominal sternites with genital segments in male." pageId="0" pageNumber="133">9</figureCitation>
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) strongly curved, basally with patch of few short setae on flexor side; a soft spinous structure protruded outwards from base of curvature; apical region with two prominent black spines that diverge from almost touching bases (forming a
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<normalizedToken originalValue="‘V’">'V'</normalizedToken>
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), and with four black spines and a row of short setae towards extensor side. Mid and hind femora slender, each about 1.1 times as long as body; both with distinct rows of short spines arranged equidistantly. Foreclaws (Fig.
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<figureCitation captionStart="Figures 6–13" captionStartId="F2" captionText="Figures 6 - 13. Onychotrechus dooarsicus sp. n. 6. Mesosternum of male, ventral view. 7. Lateral view of female. 8. Forefemur of male. 9. Foretibia and tarsi of male. 10. Foreleg of female. 11. Foreleg claws in male. 12. Abdominal tergites of male. 13. Abdominal sternites with genital segments in male." pageId="0" pageNumber="133">11</figureCitation>
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) sharply bent and slightly longer than mid and hind claws. Measurements of leg segments provided in Table
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<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Measurements (value in mm) of leg segments of apterous males and female of Onychotrechus dooarsicus sp. n." httpUri="http://table.plazi.org/id/60C36301C5A7D72F55077EDBCEFD1ADE" pageId="0" pageNumber="133" tableUuid="60C36301C5A7D72F55077EDBCEFD1ADE">1</tableCitation>
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.
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</paragraph>
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<caption ID-Table-UUID="60C36301C5A7D72F55077EDBCEFD1ADE" httpUri="http://table.plazi.org/id/60C36301C5A7D72F55077EDBCEFD1ADE" pageId="0" pageNumber="133" start="Table 1" startId="T1">
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<paragraph pageId="0" pageNumber="133">
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<emphasis bold="true" pageId="0" pageNumber="133">Table 1.</emphasis>
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Measurements (value in mm) of leg segments of apterous males and female of
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<taxonomicName authorityName="Subramanian & Basu & Zettel" authorityYear="2014" class="Insecta" family="Gerridae" genus="Onychotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychotrechus dooarsicus" order="Hemiptera" pageId="0" pageNumber="133" phylum="Arthropoda" rank="species" species="dooarsicus">
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<emphasis italics="true" pageId="0" pageNumber="133">Onychotrechus dooarsicus</emphasis>
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</taxonomicName>
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sp. n.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="133">
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<table pageId="0" pageNumber="133">
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<tr pageId="0" pageNumber="133">
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<th colspan="1" pageId="0" pageNumber="133" rowspan="1">Leg</th>
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<th colspan="1" pageId="0" pageNumber="133" rowspan="1">Femur</th>
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<th colspan="1" pageId="0" pageNumber="133" rowspan="1">Tibia</th>
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<th colspan="1" pageId="0" pageNumber="133" rowspan="1">Tarsus 1</th>
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<th colspan="1" pageId="0" pageNumber="133" rowspan="1">Tarsus 2</th>
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</tr>
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<tr pageId="0" pageNumber="133">
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<td colspan="1" pageId="0" pageNumber="133" rowspan="1">Foreleg: ♂♂ ♀</td>
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<td colspan="1" pageId="0" pageNumber="133" rowspan="1">1.15, 1.17 1.36</td>
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<td colspan="1" pageId="0" pageNumber="133" rowspan="1">0.99, 1.1 1.17</td>
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<td colspan="1" pageId="0" pageNumber="133" rowspan="1">0.07, 0.08 0.12</td>
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<td colspan="1" pageId="0" pageNumber="133" rowspan="1">0.19, 0.22 0.28</td>
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</tr>
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<tr pageId="0" pageNumber="133">
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<td colspan="1" pageId="0" pageNumber="133" rowspan="1">Mid leg: ♂♂ ♀</td>
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<td colspan="1" pageId="0" pageNumber="133" rowspan="1">3.71, 3.72 4.03</td>
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<td colspan="1" pageId="0" pageNumber="133" rowspan="1">2.54, 2.56 2.70</td>
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<td colspan="1" pageId="0" pageNumber="133" rowspan="1">0.15, 0.16 0.19</td>
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<td colspan="1" pageId="0" pageNumber="133" rowspan="1">0.26, 0.28 0.29</td>
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</tr>
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<tr pageId="0" pageNumber="133">
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<td colspan="1" pageId="0" pageNumber="133" rowspan="1">Hind leg: ♂♂ ♀</td>
|
||
<td colspan="1" pageId="0" pageNumber="133" rowspan="1">3.80, 3.81 4.36</td>
|
||
<td colspan="1" pageId="0" pageNumber="133" rowspan="1">2.62, 2.63 3.09</td>
|
||
<td colspan="1" pageId="0" pageNumber="133" rowspan="1">0.13, 0.15 0.24</td>
|
||
<td colspan="1" pageId="0" pageNumber="133" rowspan="1">0.34, 0.36 0.41</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="133">
|
||
Abdomen (Figs
|
||
<figureCitation captionStart="Figures 6–13" captionStartId="F2" captionText="Figures 6 - 13. Onychotrechus dooarsicus sp. n. 6. Mesosternum of male, ventral view. 7. Lateral view of female. 8. Forefemur of male. 9. Foretibia and tarsi of male. 10. Foreleg of female. 11. Foreleg claws in male. 12. Abdominal tergites of male. 13. Abdominal sternites with genital segments in male." pageId="0" pageNumber="133">12</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figures 6–13" captionStartId="F2" captionText="Figures 6 - 13. Onychotrechus dooarsicus sp. n. 6. Mesosternum of male, ventral view. 7. Lateral view of female. 8. Forefemur of male. 9. Foretibia and tarsi of male. 10. Foreleg of female. 11. Foreleg claws in male. 12. Abdominal tergites of male. 13. Abdominal sternites with genital segments in male." pageId="0" pageNumber="133">13</figureCitation>
|
||
) short, only about one third of body length. Length of abdominal sternites 1.01, width 0.90. Sterna II-VI visible as very narrow curved strips; sternum VII (Fig.
|
||
<figureCitation captionStart="Figures 6–13" captionStartId="F2" captionText="Figures 6 - 13. Onychotrechus dooarsicus sp. n. 6. Mesosternum of male, ventral view. 7. Lateral view of female. 8. Forefemur of male. 9. Foretibia and tarsi of male. 10. Foreleg of female. 11. Foreleg claws in male. 12. Abdominal tergites of male. 13. Abdominal sternites with genital segments in male." pageId="0" pageNumber="133">13</figureCitation>
|
||
) much longer; sterna II-VII without median groove. Segment VIII broad, with median depression, posterior part with several setae, bluntly ending.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="133">
|
||
<emphasis italics="true" pageId="0" pageNumber="133">Genitalia</emphasis>
|
||
(Figs
|
||
<figureCitation captionStart="Figures 14–19" captionStartId="F3" captionText="Figures 14 - 19. Onychotrechus dooarsicus sp. n. 14. Abdominal tergites of female. 15. Abdominal sternites of female. 16. Dissected genital segments of male. 17. Proctiger of male. 18. Endosoma, lateral view. 19. Left paramere, lateral view." pageId="0" pageNumber="133">16</figureCitation>
|
||
-
|
||
<figureCitation captionStart="Figures 14–19" captionStartId="F3" captionText="Figures 14 - 19. Onychotrechus dooarsicus sp. n. 14. Abdominal tergites of female. 15. Abdominal sternites of female. 16. Dissected genital segments of male. 17. Proctiger of male. 18. Endosoma, lateral view. 19. Left paramere, lateral view." pageId="0" pageNumber="133">19</figureCitation>
|
||
): Pygophore sub-oval, slightly elongated, widened basally. Proctiger (Fig.
|
||
<figureCitation captionStart="Figures 14–19" captionStartId="F3" captionText="Figures 14 - 19. Onychotrechus dooarsicus sp. n. 14. Abdominal tergites of female. 15. Abdominal sternites of female. 16. Dissected genital segments of male. 17. Proctiger of male. 18. Endosoma, lateral view. 19. Left paramere, lateral view." pageId="0" pageNumber="133">17</figureCitation>
|
||
) short, widened distally, gradually tapering towards basal part, with long setae and medially with numerous punctures. Endosomal sclerites as in Fig.
|
||
<figureCitation captionStart="Figures 14–19" captionStartId="F3" captionText="Figures 14 - 19. Onychotrechus dooarsicus sp. n. 14. Abdominal tergites of female. 15. Abdominal sternites of female. 16. Dissected genital segments of male. 17. Proctiger of male. 18. Endosoma, lateral view. 19. Left paramere, lateral view." pageId="0" pageNumber="133">18</figureCitation>
|
||
. Paramere (Fig.
|
||
<figureCitation captionStart="Figures 14–19" captionStartId="F3" captionText="Figures 14 - 19. Onychotrechus dooarsicus sp. n. 14. Abdominal tergites of female. 15. Abdominal sternites of female. 16. Dissected genital segments of male. 17. Proctiger of male. 18. Endosoma, lateral view. 19. Left paramere, lateral view." pageId="0" pageNumber="133">19</figureCitation>
|
||
) short, simple and with a distinct median notch.
|
||
</paragraph>
|
||
<caption pageId="0" pageNumber="133" start="Figures 14–19" startId="F3">
|
||
<paragraph pageId="0" pageNumber="133">
|
||
<emphasis bold="true" pageId="0" pageNumber="133">Figures 14-19.</emphasis>
|
||
<taxonomicName authorityName="Subramanian & Basu & Zettel" authorityYear="2014" class="Insecta" family="Gerridae" genus="Onychotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychotrechus dooarsicus" order="Hemiptera" pageId="0" pageNumber="133" phylum="Arthropoda" rank="species" species="dooarsicus">
|
||
<emphasis italics="true" pageId="0" pageNumber="133">Onychotrechus dooarsicus</emphasis>
|
||
</taxonomicName>
|
||
sp. n.
|
||
<emphasis bold="true" pageId="0" pageNumber="133">14.</emphasis>
|
||
Abdominal tergites of female.
|
||
<emphasis bold="true" pageId="0" pageNumber="133">15.</emphasis>
|
||
Abdominal sternites of female.
|
||
<emphasis bold="true" pageId="0" pageNumber="133">16.</emphasis>
|
||
Dissected genital segments of male.
|
||
<emphasis bold="true" pageId="0" pageNumber="133">17.</emphasis>
|
||
Proctiger of male.
|
||
<emphasis bold="true" pageId="0" pageNumber="133">18.</emphasis>
|
||
Endosoma, lateral view.
|
||
<emphasis bold="true" pageId="0" pageNumber="133">19.</emphasis>
|
||
Left paramere, lateral view.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="133" type="description of apterous female">
|
||
<paragraph pageId="0" pageNumber="133">Description of apterous female</paragraph>
|
||
<paragraph pageId="0" pageNumber="133">
|
||
<emphasis bold="true" pageId="0" pageNumber="133">
|
||
(Figs
|
||
<figureCitation captionStart="Figures 1–5" captionStartId="F1" captionText="Figures 1 - 5. Onychotrechus dooarsicus sp. n. 1. Dorsal view of apterous male. 2. Dorsal view of apterous female. 3. Head and pronotal marking pattern in male. 4. Meso- and metanotal marking pattern in male. 5. Marking pattern in female." pageId="0" pageNumber="133">2</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figures 6–13" captionStartId="F2" captionText="Figures 6 - 13. Onychotrechus dooarsicus sp. n. 6. Mesosternum of male, ventral view. 7. Lateral view of female. 8. Forefemur of male. 9. Foretibia and tarsi of male. 10. Foreleg of female. 11. Foreleg claws in male. 12. Abdominal tergites of male. 13. Abdominal sternites with genital segments in male." pageId="0" pageNumber="133">7</figureCitation>
|
||
).
|
||
</emphasis>
|
||
<emphasis italics="true" pageId="0" pageNumber="133">Size</emphasis>
|
||
: Body length 4.4; maximum body width across mesoacetabula 1.38.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="133">
|
||
<emphasis italics="true" pageId="0" pageNumber="133">Colour</emphasis>
|
||
: Almost identical to male, with the following exceptions: posterior yellow mid-line lacking from metanotum (Fig.
|
||
<figureCitation captionStart="Figures 1–5" captionStartId="F1" captionText="Figures 1 - 5. Onychotrechus dooarsicus sp. n. 1. Dorsal view of apterous male. 2. Dorsal view of apterous female. 3. Head and pronotal marking pattern in male. 4. Meso- and metanotal marking pattern in male. 5. Marking pattern in female." pageId="0" pageNumber="133">5</figureCitation>
|
||
). Venter yellow, with two broad markings on mesosternum. Metasternum brownish yellow. Abdominal sterna II-VI yellowish brown, paler at mid-line and sides; sternum VII black anteriorly, yellowish posteriorly.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="133">
|
||
<taxonomicName genus="Structural" lsidName="Structural characteristics" pageId="0" pageNumber="133" rank="species" species="characteristics">
|
||
<emphasis italics="true" pageId="0" pageNumber="133">Structural characteristics</emphasis>
|
||
</taxonomicName>
|
||
: Length of head 0.75, width 0.91. Interocular width 0.52. Eye length 0.42, width 0.23. Length of pronotum 0.51, width 0.85. Length of antennal segments 1-4: 1.10, 1.08, 1.04, 1.48. Combined length of meso- and metanotum 1.38, width 1.36. Forefemur slender (Fig.
|
||
<figureCitation captionStart="Figures 6–13" captionStartId="F2" captionText="Figures 6 - 13. Onychotrechus dooarsicus sp. n. 6. Mesosternum of male, ventral view. 7. Lateral view of female. 8. Forefemur of male. 9. Foretibia and tarsi of male. 10. Foreleg of female. 11. Foreleg claws in male. 12. Abdominal tergites of male. 13. Abdominal sternites with genital segments in male." pageId="0" pageNumber="133">10</figureCitation>
|
||
). Foretibia less curved, without spinous protrusion from curvature. Measurements of leg segments provided in Table
|
||
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Measurements (value in mm) of leg segments of apterous males and female of Onychotrechus dooarsicus sp. n." httpUri="http://table.plazi.org/id/60C36301C5A7D72F55077EDBCEFD1ADE" pageId="0" pageNumber="133" tableUuid="60C36301C5A7D72F55077EDBCEFD1ADE">1</tableCitation>
|
||
. Abdominal tergites (Fig.
|
||
<figureCitation captionStart="Figures 14–19" captionStartId="F3" captionText="Figures 14 - 19. Onychotrechus dooarsicus sp. n. 14. Abdominal tergites of female. 15. Abdominal sternites of female. 16. Dissected genital segments of male. 17. Proctiger of male. 18. Endosoma, lateral view. 19. Left paramere, lateral view." pageId="0" pageNumber="133">14</figureCitation>
|
||
) elongated, densely covered by setae. Abdominal sterna II-VI with median groove; sternum VII (Fig.
|
||
<figureCitation captionStart="Figures 14–19" captionStartId="F3" captionText="Figures 14 - 19. Onychotrechus dooarsicus sp. n. 14. Abdominal tergites of female. 15. Abdominal sternites of female. 16. Dissected genital segments of male. 17. Proctiger of male. 18. Endosoma, lateral view. 19. Left paramere, lateral view." pageId="0" pageNumber="133">15</figureCitation>
|
||
) broad, trapezoidal, concave towards end, partly concealing genitalia. Proctiger acuminate.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="133" type="macropterous male and female">
|
||
<paragraph pageId="0" pageNumber="133">Macropterous male and female.</paragraph>
|
||
<paragraph pageId="0" pageNumber="133">Unknown.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="1" lastPageNumber="134" pageId="0" pageNumber="133" type="comparative notes">
|
||
<paragraph pageId="0" pageNumber="133">Comparative notes.</paragraph>
|
||
<paragraph pageId="1" pageNumber="134">
|
||
<taxonomicName authorityName="Subramanian & Basu & Zettel" authorityYear="2014" class="Insecta" family="Gerridae" genus="Onychotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychotrechus dooarsicus" order="Hemiptera" pageId="1" pageNumber="134" phylum="Arthropoda" rank="species" species="dooarsicus">
|
||
<emphasis italics="true" pageId="1" pageNumber="134">
|
||
<pageBreakToken pageId="1" pageNumber="134" start="start">Onychotrechus</pageBreakToken>
|
||
dooarsicus
|
||
</emphasis>
|
||
</taxonomicName>
|
||
sp. n. is probably a close relative of
|
||
<taxonomicName authorityName="Zettel & Tran" authorityYear="2007" class="Insecta" family="Gerridae" genus="Onychotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychotrechus jaechi" order="Hemiptera" pageId="1" pageNumber="134" phylum="Arthropoda" rank="species" species="jaechi">
|
||
<emphasis italics="true" pageId="1" pageNumber="134">Onychotrechus jaechi</emphasis>
|
||
</taxonomicName>
|
||
, recently described from Bhutan. They share some common characters: males have almost identical pro-, meso- and metasternal markings, basally incrassate forefemora, similar mesosternal modifications and short abdominal segments. However, the male of
|
||
<taxonomicName authorityName="Subramanian & Basu & Zettel" authorityYear="2014" class="Insecta" family="Gerridae" genus="Onychotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychotrechus dooarsicus" order="Hemiptera" pageId="1" pageNumber="134" phylum="Arthropoda" rank="species" species="dooarsicus">
|
||
<emphasis italics="true" pageId="1" pageNumber="134">Onychotrechus dooarsicus</emphasis>
|
||
</taxonomicName>
|
||
sp. n. distinctly differs from
|
||
<taxonomicName authorityName="Zettel & Tran" authorityYear="2007" class="Insecta" family="Gerridae" genus="Onychotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychotrechus jaechi" order="Hemiptera" pageId="1" pageNumber="134" phylum="Arthropoda" rank="species" species="jaechi">
|
||
<emphasis italics="true" pageId="1" pageNumber="134">Onychotrechus jaechi</emphasis>
|
||
</taxonomicName>
|
||
by the following characteristics: 1) The foretibia of
|
||
<taxonomicName authorityName="Subramanian & Basu & Zettel" authorityYear="2014" class="Insecta" family="Gerridae" genus="Onychotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychotrechus dooarsicus" order="Hemiptera" pageId="1" pageNumber="134" phylum="Arthropoda" rank="species" species="dooarsicus">
|
||
<emphasis italics="true" pageId="1" pageNumber="134">Onychotrechus dooarsicus</emphasis>
|
||
</taxonomicName>
|
||
sp. n. bears a patch of few short setae basally on flexor side, and a soft spinous structure protruding outwards from the base of the curvature; its apical region bears two prominent black spines (forming a
|
||
<normalizedToken originalValue="‘V’">'V'</normalizedToken>
|
||
), four black spines and a row of short setae towards extensor side; whereas, in
|
||
<taxonomicName authorityName="Zettel & Tran" authorityYear="2007" class="Insecta" family="Gerridae" genus="Onychotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychotrechus jaechi" order="Hemiptera" pageId="1" pageNumber="134" phylum="Arthropoda" rank="species" species="jaechi">
|
||
<emphasis italics="true" pageId="1" pageNumber="134">Onychotrechus jaechi</emphasis>
|
||
</taxonomicName>
|
||
its base bears a patch of long hairs on the flexor side and the distal modifications are absent. 2) The mesosternum of
|
||
<taxonomicName authorityName="Subramanian & Basu & Zettel" authorityYear="2014" class="Insecta" family="Gerridae" genus="Onychotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychotrechus dooarsicus" order="Hemiptera" pageId="1" pageNumber="134" phylum="Arthropoda" rank="species" species="dooarsicus">
|
||
<emphasis italics="true" pageId="1" pageNumber="134">Onychotrechus dooarsicus</emphasis>
|
||
</taxonomicName>
|
||
sp. n. has a median narrow groove that is slightly widened posteriorly, whereas
|
||
<taxonomicName authorityName="Zettel & Tran" authorityYear="2007" class="Insecta" family="Gerridae" genus="Onychotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychotrechus jaechi" order="Hemiptera" pageId="1" pageNumber="134" phylum="Arthropoda" rank="species" species="jaechi">
|
||
<emphasis italics="true" pageId="1" pageNumber="134">Onychotrechus jaechi</emphasis>
|
||
</taxonomicName>
|
||
has a strongly modified mesosternum, with a medial, posteriorly widened depression and a prominent transverse swelling at its hind margin. 3) In
|
||
<taxonomicName authorityName="Subramanian & Basu & Zettel" authorityYear="2014" class="Insecta" family="Gerridae" genus="Onychotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychotrechus dooarsicus" order="Hemiptera" pageId="1" pageNumber="134" phylum="Arthropoda" rank="species" species="dooarsicus">
|
||
<emphasis italics="true" pageId="1" pageNumber="134">Onychotrechus dooarsicus</emphasis>
|
||
</taxonomicName>
|
||
sp. n., the paramere has a notch at mid-length, that is absent from
|
||
<taxonomicName authorityName="Zettel & Tran" authorityYear="2007" class="Insecta" family="Gerridae" genus="Onychotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychotrechus jaechi" order="Hemiptera" pageId="1" pageNumber="134" phylum="Arthropoda" rank="species" species="jaechi">
|
||
<emphasis italics="true" pageId="1" pageNumber="134">Onychotrechus jaechi</emphasis>
|
||
</taxonomicName>
|
||
. The female of
|
||
<taxonomicName authorityName="Zettel & Tran" authorityYear="2007" class="Insecta" family="Gerridae" genus="Onychotrechus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Onychotrechus jaechi" order="Hemiptera" pageId="1" pageNumber="134" phylum="Arthropoda" rank="species" species="jaechi">
|
||
<emphasis italics="true" pageId="1" pageNumber="134">Onychotrechus jaechi</emphasis>
|
||
</taxonomicName>
|
||
is unknown.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="2" lastPageNumber="135" pageId="1" pageNumber="134" type="etymology">
|
||
<paragraph pageId="1" pageNumber="134">Etymology.</paragraph>
|
||
<paragraph lastPageId="2" lastPageNumber="135" pageId="1" pageNumber="134">
|
||
The specific epithet
|
||
<pageBreakToken pageId="2" pageNumber="135" start="start">'</pageBreakToken>
|
||
<emphasis italics="true" pageId="2" pageNumber="135">dooarsicus</emphasis>
|
||
' comes from its place of occurrence,
|
||
<normalizedToken originalValue="‘Dooars’">'Dooars'</normalizedToken>
|
||
of West Bengal. Dooars is a large region, forming the gateway from India to Bhutan and stretching from the plains of Darjeeling District, Jalpaiguri District, and the upper regions of Cooch Behar District of West Bengal to some parts of Assam. This part mainly consists of Himalayan foothills.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="2" pageNumber="135" type="habitat">
|
||
<paragraph pageId="2" pageNumber="135">Habitat.</paragraph>
|
||
<paragraph pageId="2" pageNumber="135">Representatives of this species have been found in the shallow zone between the rocks, splashed by a slow-flowing stream (630 m), known as Buxa Jhora, located near Buxa fort of Buxa Tiger Reserve Range.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |