194 lines
15 KiB
XML
194 lines
15 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.983.52630" ID-GBIF-Dataset="d3b857f7-25c1-4b21-9d39-4510ab675fca" ID-PMC="PMC7655787" ID-Pensoft-Pub="1313-2970-983-1" ID-Pensoft-UUID="C890C7FD4B2D57A8B1A062305ED42D53" ID-PubMed="33244289" ID-ZooBank="7DED4CE2934C4539945F758930C927F9" ModsDocID="1313-2970-983-1" checkinTime="1604475085656" checkinUser="pensoft" docAuthor="Smith, Sarah M., Beaver, Roger A. & Cognato, Anthony I." docDate="2020" docId="A51B51CF1558C032467E0E2DB0491700" docLanguage="en" docName="ZooKeys 983: 1-442" docOrigin="ZooKeys 983" docSource="http://dx.doi.org/10.3897/zookeys.983.52630" docTitle="Arixyleborus silvanus Smith & Beaver & Cognato 2020, sp. nov." docType="treatment" docUuid="54BBFA0F-B23E-436A-91B7-319A91607AB7" docUuidSource="ZooBank" docVersion="4" id="C890C7FD4B2D57A8B1A062305ED42D53" lastPageNumber="1" masterDocId="C890C7FD4B2D57A8B1A062305ED42D53" masterDocTitle="A monograph of the Xyleborini (Coleoptera, Curculionidae, Scolytinae) of the Indochinese Peninsula (except Malaysia) and China" masterLastPageNumber="442" masterPageNumber="1" pageNumber="1" updateTime="1668169715782" 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 monograph of the Xyleborini (Coleoptera, Curculionidae, Scolytinae) of the Indochinese Peninsula (except Malaysia) and China</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>Smith, Sarah M.</mods:namePart>
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<mods:affiliation>Department of Entomology, Michigan State University, 288 Farm Lane, East Lansing, Michigan 48824, USA</mods:affiliation>
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<mods:nameIdentifier type="orcid">https://orcid.org/0000-0002-5173-3736</mods:nameIdentifier>
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<mods:nameIdentifier type="email">camptocerus@gmail.com</mods:nameIdentifier>
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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>Beaver, Roger A.</mods:namePart>
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<mods:affiliation>161 / 2 Mu 5, Soi Wat Pranon, T. Donkaew, A. Maerim, Chiangmai 50180, Thailand</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>Cognato, Anthony I.</mods:namePart>
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<mods:affiliation>Department of Entomology, Michigan State University, 288 Farm Lane, East Lansing, Michigan 48824, USA</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>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2020</mods:date>
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<mods:detail type="volume">
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<mods:number>983</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>442</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.983.52630</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.983.52630</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-983-1</mods:identifier>
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<mods:identifier type="ZooBank">7DED4CE2934C4539945F758930C927F9</mods:identifier>
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<mods:identifier type="Pensoft-UUID">C890C7FD4B2D57A8B1A062305ED42D53</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="168754705" LSID="urn:lsid:zoobank.org:act:54BBFA0F-B23E-436A-91B7-319A91607AB7" httpUri="http://treatment.plazi.org/id/A51B51CF1558C032467E0E2DB0491700" lastPageNumber="1" pageId="0" pageNumber="1">
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<subSubSection pageId="0" pageNumber="1" type="nomenclature">
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName LSID="http://zoobank.org/54BBFA0F-B23E-436A-91B7-319A91607AB7" authority="Smith & Beaver & Cognato, 2020" authorityName="Smith & Beaver & Cognato" authorityYear="2020" class="Insecta" family="Curculionidae" genus="Arixyleborus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Arixyleborus silvanus" order="Coleoptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="silvanus" status="sp. nov.">Arixyleborus silvanus</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 29" captionStartId="F29" captionText="Figure 29. Dorsal, lateral and declivital view of Arixyleborus setosus holotype, 2.5 mm (A, B, I), A. silvanus holotype, 1.65 - 1.8 mm (C, D, J), A. sittichayai holotype, 2.3 mm (E, F, K), and A. suturalis, 1.5 - 1.7 mm (G, H, L)." figureDoi="10.3897/zookeys.983.52630.figure29" httpUri="https://binary.pensoft.net/fig/470829" pageId="0" pageNumber="1">Fig. 29C, D, J</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="type material">
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<paragraph pageId="0" pageNumber="1">Type material.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Holotype</emphasis>
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, female, Thailand: Chiang Mai, Doi Pui, 1400 m, 20.xii.2004-10.i.2005, W. Puranasakul, ex EtOH trap (NHMUK).
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Paratypes</emphasis>
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, female, as holotype (MSUC, 1); as previous except: 8-10.xi.2004 (QSBG, 1); as previous except: 10-31.i.2005 (RABC, 2); China: Guangxi, Shangsi, Shiwandashan, 27.iii.20017, Y. Li, ex
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<taxonomicName authorityName="Hance" authorityYear="1866" class="Magnoliopsida" family="Altingiaceae" genus="Liquidambar" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Liquidambar formosana" order="Saxifragales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="formosana">
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<emphasis italics="true" pageId="0" pageNumber="1">Liquidambar formosana</emphasis>
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</taxonomicName>
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(IZAS, 1); Hainan, Wu-zhi-shan Town,
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<geoCoordinate degrees="18.902" direction="north" orientation="latitude" precision="55" value="18.902">18.902N</geoCoordinate>
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,
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<geoCoordinate degrees="109.663" direction="east" orientation="longitude" precision="55" value="109.663">109.663E</geoCoordinate>
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, 703 m, 2.xii.2016, Tian-Shang & Lv-Jia (RABC, 1).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="diagnosis">
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<paragraph pageId="0" pageNumber="1">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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1.65-1.8 mm long (mean = 1.72, n = 5); 2.6-2.7
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<normalizedToken originalValue="×">x</normalizedToken>
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as long as wide. This species is distinguished by its elongate form and steeply sloping declivity; posterolateral margin with a series of granules; pronotal summit distinctly anterior to middle; elytral disc with striae impressed on posterior part; and interstriae 1-3 extending to apex of declivity, armed with uniseriate granules.
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</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName authorityName="Smith & Beaver & Cognato" authorityYear="2020" class="Insecta" family="Curculionidae" genus="Arixyleborus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Arixyleborus silvanus" order="Coleoptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="silvanus">
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<emphasis italics="true" pageId="0" pageNumber="1">Arixyleborus silvanus</emphasis>
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</taxonomicName>
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is distinguished from
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<taxonomicName lsidName="A. mediosectus" pageId="0" pageNumber="1" rank="species" species="mediosectus">
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<emphasis italics="true" pageId="0" pageNumber="1">A. mediosectus</emphasis>
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</taxonomicName>
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by its less elongate form (2.9-3.3
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<normalizedToken originalValue="×">x</normalizedToken>
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as long as wide in
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<taxonomicName lsidName="mediosectus" pageId="0" pageNumber="1" rank="species" species="mediosectus">
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<emphasis italics="true" pageId="0" pageNumber="1">mediosectus</emphasis>
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</taxonomicName>
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), and less elongate pronotum (1.1-1.2
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<normalizedToken originalValue="×">x</normalizedToken>
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longer than wide vs. 1.3
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<normalizedToken originalValue="×">x</normalizedToken>
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in
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<taxonomicName lsidName="mediosectus" pageId="0" pageNumber="1" rank="species" species="mediosectus">
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<emphasis italics="true" pageId="0" pageNumber="1">mediosectus</emphasis>
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</taxonomicName>
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), the more coarsely granulate interstriae, and more deeply impressed striae at the apex of the elytral disc, and the presence of fine hair-like setae on the declivity rather than coarse setae. It can be further distinguished from the closely related
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<taxonomicName lsidName="A. crassior" pageId="0" pageNumber="1" rank="species" species="crassior">
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<emphasis italics="true" pageId="0" pageNumber="1">A. crassior</emphasis>
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</taxonomicName>
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by the more elongate form (2.5
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<normalizedToken originalValue="×">x</normalizedToken>
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as long as wide in
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<taxonomicName lsidName="A. crassior" pageId="0" pageNumber="1" rank="species" species="crassior">
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<emphasis italics="true" pageId="0" pageNumber="1">A. crassior</emphasis>
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</taxonomicName>
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), more stout pronotum (1.1-1.2
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<normalizedToken originalValue="×">x</normalizedToken>
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longer than wide vs. 1.3
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<normalizedToken originalValue="×">x</normalizedToken>
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in
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<taxonomicName lsidName="A. crassior" pageId="0" pageNumber="1" rank="species" species="crassior">
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<emphasis italics="true" pageId="0" pageNumber="1">A. crassior</emphasis>
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</taxonomicName>
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), the more coarsely granulate interstriae, and weakly impressed striae at the apex of the elytral disc, and the presence of fine hair-like setae on the declivity rather than coarse setae.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="similar species">
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<paragraph pageId="0" pageNumber="1">Similar species.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName authorityName="Smith & Beaver & Cognato" authorityYear="2020" class="Insecta" family="Curculionidae" genus="Arixyleborus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Arixyleborus crassior" order="Coleoptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="crassior">
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<emphasis italics="true" pageId="0" pageNumber="1">Arixyleborus crassior</emphasis>
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</taxonomicName>
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,
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<taxonomicName lsidName="A. mediosectus" pageId="0" pageNumber="1" rank="species" species="mediosectus">
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<emphasis italics="true" pageId="0" pageNumber="1">A. mediosectus</emphasis>
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</taxonomicName>
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,
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<taxonomicName lsidName="A. phiaoacensis" pageId="0" pageNumber="1" rank="species" species="phiaoacensis">
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<emphasis italics="true" pageId="0" pageNumber="1">A. phiaoacensis</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">Description</paragraph>
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">(female).</emphasis>
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1.65-1.8 mm long (n = 5); 2.6-2.7
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<normalizedToken originalValue="×">x</normalizedToken>
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as long as wide. Body uniformly red-brown. Legs and antennae yellow-brown.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Head</emphasis>
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: epistoma entire, transverse, lined with a row of hair-like setae. Frons slightly convex from epistoma to upper level of eyes; surface alutaceous, shiny, sparsely punctate; punctures above epistoma large, coarse, shallow; punctures decreasing in size, coarseness, and depth from epistoma to upper level of eyes. Eyes deeply emarginate above level of antennal insertion, upper portion of eyes smaller than lower part. Submentum deeply impressed, very narrow, triangular. Scape short and thick, approximately 3/4 length of club. Pedicle as long as funicle. Antennal funicle 4-segmented, segment 1 shorter than pedicel. Club wider than long and asymmetrical, club type 1; obliquely truncate, segment 2 not visible on posterior face; segment 1 covering posterior face, its margin completely costate; segment 2 narrow, pubescent with corneous part, visible on anterior face only.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Pronotum</emphasis>
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: 1.33
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<normalizedToken originalValue="×">x</normalizedToken>
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as long as wide. In dorsal view long and rounded frontally, type 7, sides parallel in basal 2/3, rounded anteriorly; anterior margin without serrations. Pronotum with disc much longer than anterior slope, type 7, summit low. Surface shagreened, anterior 1/2 finely asperate, asperities close, arranged in concentric rings from midpoint of pronotum to anterior margin; anterolateral areas unarmed; disc minutely and sparsely punctate; glabrous. Lateral margins obliquely costate. Base weakly bisinuate; setal tuft absent.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Elytra</emphasis>
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: 1.53
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<normalizedToken originalValue="×">x</normalizedToken>
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as long as wide, 1.32
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<normalizedToken originalValue="×">x</normalizedToken>
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longer than pronotum. Scutellum moderately sized, linguiform, flush with elytra, flat. Elytral base weakly bisinuate, edge oblique, humeral angles rounded, sides straight from base to apical 1/2 of declivity, then rounded to apex. Disc longer than declivity, distinctly separated, shiny; striae impressed, punctures on basal 1/2 larger and deeper than those on apical 1/2; interstriae minutely, finely uniseriate punctate from base to midpoint, moderately setose, basal 1/2 of interstriae shagreened, dull, becoming sharply carinate, denticulate. Declivity obliquely truncate, strongly shagreened, dull; striae punctate, punctures large, shallow, glabrous; interstriae tuberculate, tubercles small, each bearing a fine hair-like seta, less than the distance between tubercles in length; interstriae 1-3 extending to apex of declivity, armed with uniseriate granules. Posterolateral declivital margin carinate, tuberculate to interstriae 7.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="1">Legs</emphasis>
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: Protibiae slender, broadest at apical 1/3; posterior face inflated, tuberculate; outer margin of apical 1/2 with five small socketed denticles. Meso- and metatibiae flattened, outer margin evenly rounded with seven socketed denticles; posterior face unarmed.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="etymology">
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<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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L.
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<emphasis italics="true" pageId="0" pageNumber="1">silvanus</emphasis>
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= associated with forests. An adjective.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="distribution">
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<paragraph pageId="0" pageNumber="1">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="1">China (Guangxi, Hainan), Thailand.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="host">
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<paragraph pageId="0" pageNumber="1">Host plants.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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This species is only recorded from
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<taxonomicName authorityName="Hance" authorityYear="1866" class="Magnoliopsida" family="Altingiaceae" genus="Liquidambar" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Liquidambar formosana" order="Saxifragales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="species" species="formosana">
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<emphasis italics="true" pageId="0" pageNumber="1">Liquidambar formosana</emphasis>
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</taxonomicName>
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(
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<taxonomicName authorityName="Linnaeus" authorityYear="1753" family="Altingiaceae" lsidName="" pageId="0" pageNumber="1" rank="family">Altingiaceae</taxonomicName>
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).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |