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<document id="3863154069C5298BB4613E303B88B176" ID-CLB-Dataset="54139" ID-DOI="10.11646/zootaxa.5243.1.1" ID-GBIF-Dataset="1476f0e1-3886-401f-bf56-c294a0a99962" ID-ISSN="1175-5326" ID-Zenodo-Dep="7642400" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1676448183279" checkinUser="plazi" docAuthor="Tian, Mingyi, Huang, Sunbin &amp; Jia, Xinyang" docDate="2023" docId="039587ADBF20FFB1FF7F41F22006FAA5" docLanguage="en" docName="zootaxa.5243.1.1.pdf" docOrigin="Zootaxa 5243 (1)" docSource="http://dx.doi.org/10.11646/zootaxa.5243.1.1" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Ecotrechus Tian &amp; Huang &amp; Jia 2023, n. gen." docType="treatment" docVersion="7" lastPageNumber="25" masterDocId="FFACFFD5BF38FFA9FFE841652260FFF5" masterDocTitle="A contribution to cavernicolous beetle diversity of South China Karst: eight new genera and fourteen new species (Coleoptera: Carabidae: Trechini)" masterLastPageNumber="66" masterPageNumber="1" pageNumber="25" updateTime="1699475196432" updateUser="ExternalLinkService">
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<mods:title id="E81A798FBD26900AB225F65F69E227C4">A contribution to cavernicolous beetle diversity of South China Karst: eight new genera and fourteen new species (Coleoptera: Carabidae: Trechini)</mods:title>
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<mods:namePart id="27BE8592F8017CB9DDA4E1954B34B144">Tian, Mingyi</mods:namePart>
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<mods:namePart id="B06F2557A02BD2027E72FDDDF28BCD03">Huang, Sunbin</mods:namePart>
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<mods:namePart id="784F0A4203349C120A223E9B7B98A627">Jia, Xinyang</mods:namePart>
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<paragraph id="8B8336BBBF20FFB1FF7F41F22319FF44" blockId="24.[151,377,151,178]" box="[151,377,151,178]" pageId="24" pageNumber="25">
<heading id="D0CB81D7BF20FFB1FF7F41F22319FF44" bold="true" box="[151,377,151,178]" fontSize="11" level="2" pageId="24" pageNumber="25" reason="4">
<emphasis id="B948EAA9BF20FFB1FF7F41F22319FF44" bold="true" box="[151,377,151,178]" pageId="24" pageNumber="25">
<taxonomicName id="4C3C4D38BF20FFB1FF7F41F22340FF47" authority="Tian &amp; Huang &amp; Jia, 2023" authorityName="Tian &amp; Huang &amp; Jia" authorityYear="2023" box="[151,288,151,178]" class="Insecta" family="Carabidae" genus="Ecotrechus" kingdom="Animalia" order="Coleoptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B948EAA9BF20FFB1FF7F41F22340FF47" bold="true" box="[151,288,151,178]" italics="true" pageId="24" pageNumber="25">Ecotrechus</emphasis>
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<subSubSection id="C3266530BF20FFB1FF7F41B92194FC89" pageId="24" pageNumber="25" type="materials_examined">
<paragraph id="8B8336BBBF20FFB1FF7F41B9213FFF01" blockId="24.[151,863,220,244]" box="[151,863,220,244]" pageId="24" pageNumber="25">
<materialsCitation id="3B543CE6BF20FFB1FF7F41B9213FFF01" ID-GBIF-Occurrence="4030741319" box="[151,863,220,244]" location="Ziyun" municipality="Laba Dong" pageId="24" pageNumber="25" specimenCount="1" stateProvince="Guizhou" typeStatus="holotype">
<typeStatus id="54878819BF20FFB1FF7F41B922A9FF01" box="[151,201,220,244]" pageId="24" pageNumber="25">Type</typeStatus>
species:
<taxonomicName id="4C3C4D38BF20FFB1FECE41B9238AFF06" authority="Tian &amp; Huang &amp; Jia, 2023" authorityName="Tian &amp; Huang &amp; Jia" authorityYear="2023" box="[294,490,220,244]" class="Insecta" family="Carabidae" genus="Ecotrechus" kingdom="Animalia" order="Coleoptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="species" species="ruruiae" status="sp. nov.">
<emphasis id="B948EAA9BF20FFB1FECE41B9238AFF06" box="[294,490,220,244]" italics="true" pageId="24" pageNumber="25">Ecotrechus ruruiae</emphasis>
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<emphasis id="B948EAA9BF20FFB1FE1841B92049FF01" bold="true" box="[496,553,220,244]" pageId="24" pageNumber="25">
<taxonomicNameLabel id="A27B57D2BF20FFB1FE1841B92049FF01" box="[496,553,220,244]" pageId="24" pageNumber="25" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
(
<collectingMunicipality id="6BE7ACC1BF20FFB1FDDE41B920CCFF01" box="[566,684,220,244]" pageId="24" pageNumber="25">Laba Dong</collectingMunicipality>
,
<location id="8EE36060BF20FFB1FD5E41B92095FF01" LSID="urn:lsid:plazi:treatment:039587ADBF20FFB1FF7F41F22006FAA5:8EE36060BF20FFB1FD5E41B92095FF01" box="[694,757,220,244]" municipality="Laba Dong" name="Ziyun" pageId="24" pageNumber="25" stateProvince="Guizhou">Ziyun</location>
,
<collectingRegion id="49F8F859BF20FFB1FD1741B92138FF01" box="[767,856,220,244]" country="China" name="Guizhou" pageId="24" pageNumber="25">Guizhou</collectingRegion>
)
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<emphasis id="B948EAA9BF20FFB1FF7F404423D5FECE" bold="true" box="[151,437,289,315]" pageId="24" pageNumber="25">Generic characteristics.</emphasis>
Medium-sized for cave trechines, anophthalmic though head with uncompleted frontal furrows; body stout, brown, elytra much longer than fore body including mandibles; surface smooth and glabrous. Head elongate, much longer than wide, nearly parallel-sided; neck narrow, constriction well-marked; absence of supraorbital setiferous pores; frontal furrows parallel-sided in most part, divergent and superficial posteriorly; frons slightly but vertex strongly convex; right mandibular tooth bidentate; labium completely fused; mentum bisetose, tooth short, and bifid at tip, base largely concaved; submentum 8 or 9-setose; antennae rather short, extending at about 3/5 of elytra from base, scape slightly widened, shorter than pedicel. Propleura invisible from above; pronotum almost rounded, widest at about middle; lateral margins narrowly and evenly reflexed in most part, wider before hind angles, without latero-marginal setae; both fore and hind angles rounded; base slightly narrower than front, both unbordered; disc moderately convex, both anterior and posterior transversal impressions superficial, median line well marked; basal foveae small and shallow. Elytra ovate, strongly convex; humeral angles widely rounded, whereafter slightly contracted and sinuate; lateral margins finely beaded, smooth but sub-serrate and ciliate from humeral angle and ended before the widest point; widest at about middle; surface depressed near base; striae deep, comprised of large, isolated punctures; intervals convex; absence of dorsal and preapical pores; the marginal umbilicate pores not aggregated, only the 2
<superScript id="7C499BF3BF20FFB1FD96427C20EEFCD2" attach="left" box="[638,654,793,807]" fontSize="6" pageId="24" pageNumber="25">nd</superScript>
pore close to marginal gutter, 4
<superScript id="7C499BF3BF20FFB1FC1B427C2660FCD2" attach="left" box="[1011,1024,793,807]" fontSize="6" pageId="24" pageNumber="25">th</superScript>
distant from 3
<superScript id="7C499BF3BF20FFB1FB4D427C26D3FCD2" attach="none" box="[1189,1203,793,807]" fontSize="6" pageId="24" pageNumber="25">rd</superScript>
; the 5
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and 6
<superScript id="7C499BF3BF20FFB1FAA4427C2739FCD2" attach="left" box="[1356,1369,793,807]" fontSize="6" pageId="24" pageNumber="25">th</superScript>
pores closed to each other. Legs moderate elongate for cave trechines; protibiae longitudinally sulcated. Ventrites IV
<collectionCode id="ED2DAE7EBF20FFB1FA97425B27FDFCAD" box="[1407,1437,830,856]" country="Norway" name="Mykotektet, National Veterinary Institute" pageId="24" pageNumber="25">VI</collectionCode>
each with two pairs of paramedian setae, ventrite VII quadrisetose in female.
</paragraph>
</subSubSection>
<subSubSection id="C3266530BF20FFB1FF2F42E32669FB11" pageId="24" pageNumber="25" type="discussion">
<paragraph id="8B8336BBBF20FFB1FF2F42E32669FB11" blockId="24.[151,1437,289,1360]" pageId="24" pageNumber="25">
<emphasis id="B948EAA9BF20FFB1FF2F42E3235BFC55" bold="true" box="[199,315,902,928]" pageId="24" pageNumber="25">Remarks.</emphasis>
<taxonomicName id="4C3C4D38BF20FFB1FEA942E323DEFC55" authority="Tian &amp; Huang &amp; Jia, 2023" authorityName="Tian &amp; Huang &amp; Jia" authorityYear="2023" box="[321,446,902,928]" class="Insecta" family="Carabidae" genus="Ecotrechus" kingdom="Animalia" order="Coleoptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B948EAA9BF20FFB1FEA942E323DEFC55" box="[321,446,902,928]" italics="true" pageId="24" pageNumber="25">Ecotrechus</emphasis>
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<taxonomicNameLabel id="A27B57D2BF20FFB1FE2B42E3206EFC55" box="[451,526,902,928]" pageId="24" pageNumber="25" rank="genus">n. gen.</taxonomicNameLabel>
is a peculiar genus with no evident relative within Chinese cave trechines. Lack of supraorbital setiferous pore on head, absence of latero-marginal setae on pronotum and of dorsal and preapical pores on elytra are the striking unique generic characters of this new genus. At the first sight,
<taxonomicName id="4C3C4D38BF20FFB1FB9942AB268EFC1D" authority="Tian &amp; Huang &amp; Jia, 2023" authorityName="Tian &amp; Huang &amp; Jia" authorityYear="2023" box="[1137,1262,974,1000]" class="Insecta" family="Carabidae" genus="Ecotrechus" kingdom="Animalia" order="Coleoptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B948EAA9BF20FFB1FB9942AB268EFC1D" box="[1137,1262,974,1000]" italics="true" pageId="24" pageNumber="25">Ecotrechus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27B57D2BF20FFB1FB1D42AB2722FC1D" box="[1269,1346,974,1000]" pageId="24" pageNumber="25" rank="genus">n. gen.</taxonomicNameLabel>
is more or less similar to
<taxonomicName id="4C3C4D38BF20FFB1FEBC42972003FBF9" authority="Ueno, 1998" authorityName="Ueno" authorityYear="1998" box="[340,611,1010,1036]" class="Insecta" family="Carabidae" genus="Libotrechus" kingdom="Animalia" order="Coleoptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="genus">
<emphasis id="B948EAA9BF20FFB1FEBC429723B9FBF9" box="[340,473,1010,1036]" italics="true" pageId="24" pageNumber="25">Libotrechus</emphasis>
<bibRefCitation id="EFAD4B4ABF20FFB1FE3642972003FBF9" author="Ueno, S. I. &amp; Ran, J. C." box="[478,611,1010,1036]" pageId="24" pageNumber="25" pagination="51 - 59" refId="ref29100" refString="Ueno, S. I. &amp; Ran, J. C. (1998) Notes on Sinaphaenops (Coleoptera, Trechinae), with descriptions of two new species. Elytra, 26, 51 - 59." type="journal article" year="1998">Uéno, 1998</bibRefCitation>
</taxonomicName>
, which is ranging from southern
<collectingRegion id="49F8F859BF20FFB1FC254297264DFBF9" box="[973,1069,1010,1036]" country="China" name="Guizhou" pageId="24" pageNumber="25">Guizhou</collectingRegion>
(Libo County), through northern (Huanjiang Maonan Autonomous County) to central (Duan Yao Autonomous County)
<collectingRegion id="49F8F859BF20FFB1FBB5457326DDFBC5" box="[1117,1213,1046,1072]" country="China" name="Guangxi" pageId="24" pageNumber="25">Guangxi</collectingRegion>
(
<bibRefCitation id="EFAD4B4ABF20FFB1FB23457327F8FBC5" author="Ueno, S. I. &amp; Ran, J. C." box="[1227,1432,1046,1072]" pageId="24" pageNumber="25" pagination="51 - 59" refId="ref29100" refString="Ueno, S. I. &amp; Ran, J. C. (1998) Notes on Sinaphaenops (Coleoptera, Trechinae), with descriptions of two new species. Elytra, 26, 51 - 59." type="journal article" year="1998">Uéno &amp; Ran 1998</bibRefCitation>
,
<bibRefCitation id="EFAD4B4ABF20FFB1FF7F455F2300FBA1" author="Lin, W. &amp; Tian, MY" box="[151,352,1082,1108]" pageId="24" pageNumber="25" pagination="429 - 433" refId="ref28300" refString="Lin, W. &amp; Tian, MY. (2014) Supplemental notes on the genus Libotrechus Ueno, with description of a new species from Guangxi, southern China (Coleoptera: Carabidae: Trechinae). The Coleopterists Bulletin, 68 (3), 429 - 433. https: // doi. org / 10.1649 / 072.068.0314" type="journal article" year="2014">Lin &amp; Tian 2014</bibRefCitation>
), in body shape in particular the pronotum. However, it is very different from
<taxonomicName id="4C3C4D38BF20FFB1FB1F455F271CFBA1" authorityName="Ueno" authorityYear="1998" box="[1271,1404,1082,1108]" class="Insecta" family="Carabidae" genus="Libotrechus" kingdom="Animalia" order="Coleoptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="genus">
<emphasis id="B948EAA9BF20FFB1FB1F455F271CFBA1" box="[1271,1404,1082,1108]" italics="true" pageId="24" pageNumber="25">Libotrechus</emphasis>
</taxonomicName>
in many aspects, for example: (1) head more elongated in
<taxonomicName id="4C3C4D38BF20FFB1FCCA453B21FFFB8D" authority="Tian &amp; Huang &amp; Jia, 2023" authorityName="Tian &amp; Huang &amp; Jia" authorityYear="2023" box="[802,927,1118,1144]" class="Insecta" family="Carabidae" genus="Ecotrechus" kingdom="Animalia" order="Coleoptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B948EAA9BF20FFB1FCCA453B21FFFB8D" box="[802,927,1118,1144]" italics="true" pageId="24" pageNumber="25">Ecotrechus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27B57D2BF20FFB1FC41453B219AFB8D" box="[937,1018,1118,1144]" pageId="24" pageNumber="25" rank="genus">n. gen.</taxonomicNameLabel>
, whereas stouter in
<taxonomicName id="4C3C4D38BF20FFB1FB0D453B270AFB8D" authorityName="Ueno" authorityYear="1998" box="[1253,1386,1118,1144]" class="Insecta" family="Carabidae" genus="Libotrechus" kingdom="Animalia" order="Coleoptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="genus">
<emphasis id="B948EAA9BF20FFB1FB0D453B270AFB8D" box="[1253,1386,1118,1144]" italics="true" pageId="24" pageNumber="25">Libotrechus</emphasis>
</taxonomicName>
; (2) labium completely fused in
<taxonomicName id="4C3C4D38BF20FFB1FE3945E7202EFB69" authority="Tian &amp; Huang &amp; Jia, 2023" authorityName="Tian &amp; Huang &amp; Jia" authorityYear="2023" box="[465,590,1154,1180]" class="Insecta" family="Carabidae" genus="Ecotrechus" kingdom="Animalia" order="Coleoptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B948EAA9BF20FFB1FE3945E7202EFB69" box="[465,590,1154,1180]" italics="true" pageId="24" pageNumber="25">Ecotrechus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27B57D2BF20FFB1FDBE45E720C4FB69" box="[598,676,1154,1180]" pageId="24" pageNumber="25" rank="genus">n. gen.</taxonomicNameLabel>
, vs. mentum and submentum well separated by a clear labial suture in
<taxonomicName id="4C3C4D38BF20FFB1FF5E45C3235BFB35" authorityName="Ueno" authorityYear="1998" box="[182,315,1190,1216]" class="Insecta" family="Carabidae" genus="Libotrechus" kingdom="Animalia" order="Coleoptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="genus">
<emphasis id="B948EAA9BF20FFB1FF5E45C3235BFB35" box="[182,315,1190,1216]" italics="true" pageId="24" pageNumber="25">Libotrechus</emphasis>
</taxonomicName>
; (3) scape of antennae shorter than pedicel in
<taxonomicName id="4C3C4D38BF20FFB1FCB845C321ADFB35" authority="Tian &amp; Huang &amp; Jia, 2023" authorityName="Tian &amp; Huang &amp; Jia" authorityYear="2023" box="[848,973,1190,1216]" class="Insecta" family="Carabidae" genus="Ecotrechus" kingdom="Animalia" order="Coleoptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B948EAA9BF20FFB1FCB845C321ADFB35" box="[848,973,1190,1216]" italics="true" pageId="24" pageNumber="25">Ecotrechus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27B57D2BF20FFB1FC3E45C32645FB35" box="[982,1061,1190,1216]" pageId="24" pageNumber="25" rank="genus">n. gen.</taxonomicNameLabel>
, vs. subequal in
<taxonomicName id="4C3C4D38BF20FFB1FB0E45C3270BFB35" authorityName="Ueno" authorityYear="1998" box="[1254,1387,1190,1216]" class="Insecta" family="Carabidae" genus="Libotrechus" kingdom="Animalia" order="Coleoptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="genus">
<emphasis id="B948EAA9BF20FFB1FB0E45C3270BFB35" box="[1254,1387,1190,1216]" italics="true" pageId="24" pageNumber="25">Libotrechus</emphasis>
</taxonomicName>
; (4) pronotum almost rounded in
<taxonomicName id="4C3C4D38BF20FFB1FE3445AF2039FB11" authority="Tian &amp; Huang &amp; Jia, 2023" authorityName="Tian &amp; Huang &amp; Jia" authorityYear="2023" box="[476,601,1226,1252]" class="Insecta" family="Carabidae" genus="Ecotrechus" kingdom="Animalia" order="Coleoptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B948EAA9BF20FFB1FE3445AF2039FB11" box="[476,601,1226,1252]" italics="true" pageId="24" pageNumber="25">Ecotrechus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27B57D2BF20FFB1FD8845AF20CEFB11" box="[608,686,1226,1252]" pageId="24" pageNumber="25" rank="genus">n. gen.</taxonomicNameLabel>
, vs. subcordate in
<taxonomicName id="4C3C4D38BF20FFB1FC9645AF2663FB11" authorityName="Ueno" authorityYear="1998" box="[894,1027,1226,1252]" class="Insecta" family="Carabidae" genus="Libotrechus" kingdom="Animalia" order="Coleoptera" pageId="24" pageNumber="25" phylum="Arthropoda" rank="genus">
<emphasis id="B948EAA9BF20FFB1FC9645AF2663FB11" box="[894,1027,1226,1252]" italics="true" pageId="24" pageNumber="25">Libotrechus</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C3266530BF20FFB1FF2F458B2006FAA5" pageId="24" pageNumber="25" type="etymology">
<paragraph id="8B8336BBBF20FFB1FF2F458B2370FAD9" blockId="24.[151,1437,289,1360]" pageId="24" pageNumber="25">
<emphasis id="B948EAA9BF20FFB1FF2F458B232EFAFD" bold="true" box="[199,334,1262,1288]" pageId="24" pageNumber="25">Etymology.</emphasis>
“Ec-” +
<emphasis id="B948EAA9BF20FFB1FE5F458B2068FAFD" box="[439,520,1262,1288]" italics="true" pageId="24" pageNumber="25">trechus</emphasis>
. “Ec” is abbreviated for Explore
<collectingCountry id="F32B762BBF20FFB1FC6F458B21ADFAFD" box="[903,973,1262,1288]" name="China" pageId="24" pageNumber="25">China</collectingCountry>
, an active caving team in
<collectingCountry id="F32B762BBF20FFB1FB1F458B275EFAFD" box="[1271,1342,1262,1288]" name="China" pageId="24" pageNumber="25">China</collectingCountry>
. Gender masculine.
</paragraph>
<paragraph id="8B8336BBBF20FFB1FF2F44532006FAA5" blockId="24.[151,1437,289,1360]" box="[199,614,1334,1360]" pageId="24" pageNumber="25">
<emphasis id="B948EAA9BF20FFB1FF2F4453237AFAA5" bold="true" box="[199,282,1334,1360]" pageId="24" pageNumber="25">Range.</emphasis>
<collectingCountry id="F32B762BBF20FFB1FEC944532304FAA5" box="[289,356,1334,1360]" name="China" pageId="24" pageNumber="25">China</collectingCountry>
(
<collectingRegion id="49F8F859BF20FFB1FE9B445323B7FAA5" box="[371,471,1334,1360]" country="China" name="Guizhou" pageId="24" pageNumber="25">Guizhou</collectingRegion>
) (
<figureCitation id="13072A3EBF20FFB1FE0544532038FAA5" box="[493,600,1334,1360]" captionStart="FIGURE 1" captionStartId="3.[152,255,1900,1924]" captionTargetBox="[151,1432,955,1874]" captionTargetId="figure-296@3.[151,1436,955,1874]" captionTargetPageId="3" captionText="FIGURE 1. Map indicating the locality caves of the new genera and species. a. Xianren Dong; b. Shisanya Dong; c. Da Dong, Tuoluo; d. Da Dong, Bali; e. Weixiao Tiankeng; f. Laba Dong; g. Gui Dong; h. Suolue Cave I; i. Xiannü Dong; j. Jiudu Cave I; k. Xiannü Dong; l. Yunxian Dong; m. Zhongguo Dong; n. Feixian Dong." figureDoi="http://doi.org/10.5281/zenodo.7642402" httpUri="https://zenodo.org/record/7642402/files/figure.png" pageId="24" pageNumber="25">Figure 1f</figureCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>