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<document ID-DOI="10.11646/zootaxa.5284.1.9" ID-ISSN="1175-5326" ID-Zenodo-Dep="7919121" ID-ZooBank="4E83F2A5-D363-456D-B684-042053BDA8DA" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1683704208038" checkinUser="plazi" docAuthor="Cao, Yufeng, Yu, Guangyu, Petrov, Alexander V., Li, You, Li, Ting, Tarno, Hagus, Cao, Guanghong, Xu, Ye &amp; Wang, Jianguo" docDate="2023" docId="0391878CFFA2FFF962CE9AAB7FB85F46" docLanguage="en" docName="zootaxa.5284.1.9.pdf" docOrigin="Zootaxa 5284 (1)" docSource="http://dx.doi.org/10.11646/zootaxa.5284.1.9" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Scolytus unicornis Cao, Petrov &amp; Wang 2023, sp. nov." docType="treatment" docVersion="2" lastPageNumber="189" masterDocId="FFA8FFF4FFA3FFFC62599E307D745E07" masterDocTitle="A new species of Scolytus Geoffroy (Coleoptera, Curculionidae, Scolytinae) from Yunnan, China" masterLastPageNumber="191" masterPageNumber="185" pageNumber="186" updateTime="1683704601666" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:titleInfo>
<mods:title>A new species of Scolytus Geoffroy (Coleoptera, Curculionidae, Scolytinae) from Yunnan, China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Cao, Yufeng</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0002-9617-6259</mods:nameIdentifier>
<mods:affiliation>School of Agricultural Sciences, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045, P. R. China. cao 1627857134 @ 163. com; https: // orcid. org / 0000 - 0002 - 9617 - 6259.</mods:affiliation>
</mods:name>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Yu, Guangyu</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0002-9617-6259</mods:nameIdentifier>
<mods:affiliation>School of Agricultural Sciences, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045, P. R. China. cao 1627857134 @ 163. com; https: // orcid. org / 0000 - 0002 - 9617 - 6259. &amp; guangyuyu @ stu. jxau. edu. cn; https: // orcid. org / 0000 - 0003 - 0529 - 8531</mods:affiliation>
<mods:nameIdentifier type="email">guangyuyu@stu.jxau.edu.cn</mods:nameIdentifier>
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<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Petrov, Alexander V.</mods:namePart>
<mods:affiliation>Institute of Forest Science, Russian Academy of Sciences, Uspenskoe, 143030, Moscow oblast, Russia.</mods:affiliation>
</mods:name>
<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Li, You</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0001-9952-9542</mods:nameIdentifier>
<mods:affiliation>Fujian Province Key Laboratory of Plant Virology, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, P. R. China. yourreason @ hotmail. com; http: // orcid. org / 0000 - 0001 - 9952 - 9542</mods:affiliation>
<mods:nameIdentifier type="email">yourreason@hotmail.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Li, Ting</mods:namePart>
<mods:affiliation>Ganzhou Vocational and Technical College, Ganzhou, 341008, P. R. China.</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Tarno, Hagus</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0002-9617-6259</mods:nameIdentifier>
<mods:affiliation>School of Agricultural Sciences, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045, P. R. China. cao 1627857134 @ 163. com; https: // orcid. org / 0000 - 0002 - 9617 - 6259. &amp; Department of Plant Pests and Diseases, Faculty of Agriculture, Universitas Brawijaya, Jl. Veteran, Malang, 65145, Indonesia. h _ gustarno @ ub. ac. id; https: // orcid. org / 0000 - 0003 - 0997 - 5843</mods:affiliation>
<mods:nameIdentifier type="email">h_gustarno@ub.ac.id</mods:nameIdentifier>
</mods:name>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Cao, Guanghong</mods:namePart>
<mods:nameIdentifier type="ORCID">0009-0005-1888-6174</mods:nameIdentifier>
<mods:affiliation>Administration of Nabanhe National Nature reserve, Xishuangbanna Dai Autonomous Prefecture, Yunnan, 666100, P. R. China. nabanhe @ 163. com; https: // orcid. org / 0009 - 0005 - 1888 - 6174</mods:affiliation>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Xu, Ye</mods:namePart>
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<mods:affiliation>School of Agricultural Sciences, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045, P. R. China. cao 1627857134 @ 163. com; https: // orcid. org / 0000 - 0002 - 9617 - 6259.</mods:affiliation>
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<mods:namePart>Wang, Jianguo</mods:namePart>
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<mods:affiliation>School of Agricultural Sciences, Jiangxi Agricultural University, Nanchang, Jiangxi, 330045, P. R. China. cao 1627857134 @ 163. com; https: // orcid. org / 0000 - 0002 - 9617 - 6259.</mods:affiliation>
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<mods:date>2023</mods:date>
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<mods:number>2023-05-10</mods:number>
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<taxonomicName authority="Cao, Petrov&amp;Wang" authorityName="Cao, Petrov &amp; Wang" authorityYear="2023" box="[151,628,1179,1206]" class="Insecta" family="Curculionidae" genus="Scolytus" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="186" phylum="Arthropoda" rank="species" species="unicornis" status="sp. nov.">
<emphasis bold="true" box="[151,376,1179,1206]" italics="true" pageId="1" pageNumber="186">Scolytus unicornis</emphasis>
Cao, Petrov&amp;Wang
</taxonomicName>
<taxonomicNameLabel box="[636,729,1179,1205]" pageId="1" pageNumber="186" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
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http://zoobank.org/
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urn:lsid:zoobank.org:act:
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<subSubSection pageId="1" pageNumber="186" type="materials_examined">
<paragraph blockId="1.[151,1437,1287,2034]" pageId="1" pageNumber="186">
<emphasis bold="true" box="[151,328,1287,1313]" pageId="1" pageNumber="186">Type material.</emphasis>
<materialsCitation collectingDate="2022-06-28" collectorName="Y. F. Cao" country="China" county="Menghai County" elevation="1000" latitude="22.25" location="Naban River Nature Reserve" longLatPrecision="756" longitude="100.61" municipality="Jinghong City" pageId="1" pageNumber="186" specimenCount="1" stateProvince="Yunnan" typeStatus="holotype">
<typeStatus box="[337,444,1287,1313]" pageId="1" pageNumber="186">Holotype</typeStatus>
, male,
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.
<collectingRegion box="[612,809,1287,1314]" country="China" name="Yunnan" pageId="1" pageNumber="186">Yunnan Province</collectingRegion>
,
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,
<collectingCounty box="[999,1192,1287,1313]" pageId="1" pageNumber="186">Menghai County</collectingCounty>
,
<location LSID="urn:lsid:plazi:treatment:0391878CFFA2FFF962CE9AAB7FB85F46:8EE76041FFA2FFFD66EC9B377D805B41" country="China" county="Menghai County" latitude="22.25" longLatPrecision="756" longitude="100.61" municipality="Jinghong City" name="Naban River Nature Reserve" pageId="1" pageNumber="186" stateProvince="Yunnan">Naban River Nature Reserve</location>
,
<location LSID="urn:lsid:plazi:treatment:0391878CFFA2FFF962CE9AAB7FB85F46:8EE76041FFA2FFFD62A69B1B7CA35B42" box="[255,471,1323,1349]" country="China" county="Menghai County" latitude="22.25" longLatPrecision="756" longitude="100.61" municipality="Jinghong City" name="Guomen Mountain" pageId="1" pageNumber="186" stateProvince="Yunnan">Guomen Mountain</location>
, alt.
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<elevation box="[524,611,1323,1350]" metricMagnitude="3" metricUnit="m" metricValue="1.0" pageId="1" pageNumber="186" unit="m" value="1000.0">1000 m</elevation>
</quantity>
,
<geoCoordinate box="[623,727,1323,1350]" degrees="22.25" direction="north" orientation="latitude" pageId="1" pageNumber="186" precision="555" value="22.25">N 22.25°</geoCoordinate>
,
<geoCoordinate box="[738,853,1323,1350]" degrees="100.61" direction="east" orientation="longitude" pageId="1" pageNumber="186" precision="555" value="100.61">E 100.61°</geoCoordinate>
, from
<taxonomicName box="[926,1040,1323,1350]" class="Insecta" family="Tingidae" genus="Ulmus" kingdom="Animalia" order="Hemiptera" pageId="1" pageNumber="186" phylum="Arthropoda" rank="species" species="undetermined">
<emphasis box="[926,999,1323,1349]" italics="true" pageId="1" pageNumber="186">Ulmus</emphasis>
sp.
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,
<date box="[1052,1205,1323,1350]" pageId="1" pageNumber="186" value="2022-06-28">
<collectingDate box="[1052,1205,1323,1350]" pageId="1" pageNumber="186" value="2022-06-28">28 June 2022</collectingDate>
</date>
;
<collectorName box="[1215,1322,1323,1350]" pageId="1" pageNumber="186">Y. F. Cao</collectorName>
</materialsCitation>
.
<materialsCitation country="China" location="Institute of Zoology" municipality="National Zoological Museum" pageId="1" pageNumber="186" specimenCount="1" stateProvince="Beijing" typeStatus="holotype">
<typeStatus box="[1332,1436,1323,1349]" pageId="1" pageNumber="186">Holotype</typeStatus>
deposited in the
<collectingMunicipality box="[336,665,1359,1386]" pageId="1" pageNumber="186">National Zoological Museum</collectingMunicipality>
of
<collectingCountry box="[703,773,1359,1385]" name="China" pageId="1" pageNumber="186">China</collectingCountry>
,
<location LSID="urn:lsid:plazi:treatment:0391878CFFA2FFF962CE9AAB7FB85F46:8EE76041FFA2FFFD61569B7F7E855B6E" box="[783,1009,1359,1385]" country="China" municipality="National Zoological Museum" name="Institute of Zoology" pageId="1" pageNumber="186" stateProvince="Beijing">Institute of Zoology</location>
,
<collectingRegion box="[1020,1105,1359,1385]" country="China" name="Beijing" pageId="1" pageNumber="186">Beijing</collectingRegion>
,
<collectingCountry box="[1116,1187,1359,1385]" name="China" pageId="1" pageNumber="186">China</collectingCountry>
</materialsCitation>
.
</paragraph>
<paragraph blockId="1.[151,1437,1287,2034]" pageId="1" pageNumber="186">
<materialsCitation country="China" county="Deposited" location="Institute of Zoology" municipality="National Zoological Museum" pageId="1" pageNumber="186" specimenCount="1" stateProvince="Beijing" typeStatus="allotype">
<typeStatus box="[199,301,1395,1421]" pageId="1" pageNumber="186">Allotype</typeStatus>
: female, the same data as the holotype.
<collectingCounty box="[742,856,1395,1421]" pageId="1" pageNumber="186">Deposited</collectingCounty>
in the
<collectingMunicipality box="[931,1260,1395,1422]" pageId="1" pageNumber="186">National Zoological Museum</collectingMunicipality>
of
<collectingCountry box="[1297,1367,1395,1421]" name="China" pageId="1" pageNumber="186">China</collectingCountry>
,
<location LSID="urn:lsid:plazi:treatment:0391878CFFA2FFF962CE9AAB7FB85F46:8EE76041FFA2FFFD67389B437C335BB6" country="China" county="Deposited" municipality="National Zoological Museum" name="Institute of Zoology" pageId="1" pageNumber="186" stateProvince="Beijing">Institute of Zoology</location>
,
<location LSID="urn:lsid:plazi:treatment:0391878CFFA2FFF962CE9AAB7FB85F46:8EE76041FFA2FFFD630B9BA77FD35BB6" box="[338,679,1431,1457]" country="China" county="Deposited" municipality="National Zoological Museum" name="Chinese Academy of Sciences" pageId="1" pageNumber="186" stateProvince="Beijing">Chinese Academy of Sciences</location>
,
<collectingRegion box="[690,775,1431,1457]" country="China" name="Beijing" pageId="1" pageNumber="186">Beijing</collectingRegion>
,
<collectingCountry box="[786,857,1431,1457]" name="China" pageId="1" pageNumber="186">China</collectingCountry>
.
</materialsCitation>
</paragraph>
<paragraph blockId="1.[151,1437,1287,2034]" pageId="1" pageNumber="186">
<materialsCitation box="[199,902,1467,1495]" country="China" location="Institute of Zoology" municipality="National Zoological Museum" pageId="1" pageNumber="186" specimenCount="3" specimenCount-female="3" stateProvince="Beijing" typeStatus="paratype">
<typeStatus box="[199,308,1468,1494]" pageId="1" pageNumber="186">Paratypes</typeStatus>
(2 ♁,
<specimenCount box="[384,420,1467,1493]" pageId="1" pageNumber="186" type="female">3♀</specimenCount>
): the same collection data as the holotype
</materialsCitation>
.
<materialsCitation country="China" county="Kunming" location="Laboratory of Biologic Invasive" municipality="Chinese Academy of Sciences" pageId="1" pageNumber="186" specimenCount="3" specimenCount-female="3" stateProvince="Jiangxi" typeStatus="paratype">
<typeStatus box="[913,1022,1468,1494]" pageId="1" pageNumber="186">Paratypes</typeStatus>
were deposited in the
<location LSID="urn:lsid:plazi:treatment:0391878CFFA2FFF962CE9AAB7FB85F46:8EE76041FFA2FFFD67599B8B7C2B5BFE" country="China" county="Kunming" municipality="Chinese Academy of Sciences" name="Laboratory of Biologic Invasive" pageId="1" pageNumber="186" stateProvince="Jiangxi">Laboratory of Biologic Invasive</location>
of
<collectingRegion box="[390,471,1503,1529]" country="China" name="Jiangxi" pageId="1" pageNumber="186">Jiangxi</collectingRegion>
<location LSID="urn:lsid:plazi:treatment:0391878CFFA2FFF962CE9AAB7FB85F46:8EE76041FFA2FFFD63849BEF7F905BFE" box="[477,740,1503,1529]" country="China" county="Kunming" municipality="Chinese Academy of Sciences" name="Agricultural University" pageId="1" pageNumber="186" stateProvince="Jiangxi">Agricultural University</location>
,
<location LSID="urn:lsid:plazi:treatment:0391878CFFA2FFF962CE9AAB7FB85F46:8EE76041FFA2FFFD60A89BEF7E175BFE" box="[753,867,1503,1529]" country="China" county="Kunming" municipality="Chinese Academy of Sciences" name="Nanchang" pageId="1" pageNumber="186" stateProvince="Jiangxi">Nanchang</location>
(1♁,
<specimenCount box="[933,970,1503,1529]" pageId="1" pageNumber="186" type="female">2♀</specimenCount>
);
<location LSID="urn:lsid:plazi:treatment:0391878CFFA2FFF962CE9AAB7FB85F46:8EE76041FFA2FFFD61B89BEF78425BFE" box="[993,1334,1503,1529]" country="China" county="Kunming" municipality="Chinese Academy of Sciences" name="Kunming Institute of Zoology" pageId="1" pageNumber="186" stateProvince="Jiangxi">Kunming Institute of Zoology</location>
,
<collectingMunicipality pageId="1" pageNumber="186">Chinese Academy of Sciences</collectingMunicipality>
,
<collectingCounty box="[408,517,1539,1565]" pageId="1" pageNumber="186">Kunming</collectingCounty>
,
<collectingCountry box="[528,595,1539,1565]" name="China" pageId="1" pageNumber="186">China</collectingCountry>
(1♁,
<specimenCount box="[660,693,1539,1565]" pageId="1" pageNumber="186" type="female">1♀</specimenCount>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="1" pageNumber="186" type="diagnosis">
<paragraph blockId="1.[151,1437,1287,2034]" pageId="1" pageNumber="186">
<emphasis bold="true" box="[199,322,1575,1601]" pageId="1" pageNumber="186">Diagnosis.</emphasis>
(
<figureCitation box="[338,467,1575,1601]" captionStart="FIGURE 1" captionStartId="2.[151,250,1915,1939]" captionTargetBox="[151,1435,412,1891]" captionTargetId="figure-118@2.[151,1435,411,1891]" captionTargetPageId="2" captionText="FIGURE 1 Scolytus unicornis. A) dorsal male habitus; B) lateral male habitus; C) male frons; D) male frons oblique; E) male venter; F: male venter oblique; G) dorsal female habitus; H) lateral female habitus; I) female frons; J) female frons oblique; K) female venter; L) female venter oblique." figureDoi="http://doi.org/10.5281/zenodo.7919123" httpUri="https://zenodo.org/record/7919123/files/figure.png" pageId="1" pageNumber="186">Fig. 1 AF</figureCitation>
). The new species is closely related to
<taxonomicName authority="Yin &amp; Huang" authorityName="Yin &amp; Huang" authorityYear="1980" box="[910,1226,1575,1602]" class="Insecta" family="Curculionidae" genus="Scolytus" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="186" phylum="Arthropoda" rank="species" species="squamosus">
<emphasis box="[910,1062,1575,1601]" italics="true" pageId="1" pageNumber="186">S. squamosus</emphasis>
Yin &amp; Huang
</taxonomicName>
, but can be distinguished by its larger body size and the frontal tubercle of female. In previous records, the females of only two Palearctic species,
<taxonomicName authority="Stebbing" authorityName="Stebbing" box="[315,517,1647,1673]" class="Insecta" family="Curculionidae" genus="Scolytus" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="186" phylum="Arthropoda" rank="species" species="major">
<emphasis box="[315,410,1647,1673]" italics="true" pageId="1" pageNumber="186">S. major</emphasis>
Stebbing
</taxonomicName>
and
<taxonomicName authority="Sokanovskiy" authorityName="Sokanovskiy" box="[571,875,1647,1673]" class="Insecta" family="Curculionidae" genus="Scolytus" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="186" phylum="Arthropoda" rank="species" species="gretschkini">
<emphasis box="[571,722,1647,1673]" italics="true" pageId="1" pageNumber="186">S. gretschkini</emphasis>
Sokanovskiy
</taxonomicName>
, had a median frontal tubercle above the epistoma (
<bibRefCitation author="Mandelshtam, M. Y. &amp; Petrov, A. V." box="[159,492,1683,1710]" pageId="1" pageNumber="186" pagination="171 - 178" refId="ref3363" refString="Mandelshtam, M. Y. &amp; Petrov, A. V. (2010) Scolytus stepheni sp. n. - a new species of bark-beetle (Coleoptera, Curculionidae, Scolytinae) from Northern India with a key to Indian Scolytus Geoffroy, 1762 species. ZooKeys, 56, 171 - 178. https: // doi. org / 10.3897 / zookeys. 56.524" type="journal article" year="2010">Mandelshtam &amp; Petrov 2010</bibRefCitation>
;
<bibRefCitation author="Petrov, A. V. &amp; Mandelshtam, M. Y. &amp; Beaver, R. A." box="[504,647,1683,1710]" pageId="1" pageNumber="186" pagination="286 - 302" refId="ref3777" refString="Petrov, A. V., Mandelshtam, M. Y. &amp; Beaver, R. A. (2019) A key to species of the tribe Scolytini Latreille, 1804 (Coleoptera: Curculionidae: Scolytinae) from Russia and adjacent countries. Russian Entomological Journal, 28 (3), 286 - 302. https: // doi. org / 10.15298 / rusentj. 28.3.08" type="journal article" year="2019">Petrov 2019</bibRefCitation>
). However, the ventrite 2 of
<taxonomicName authorityName="Cao, Petrov &amp; Wang" authorityYear="2023" box="[972,1108,1683,1709]" class="Insecta" family="Curculionidae" genus="Scolytus" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="186" phylum="Arthropoda" rank="species" species="unicornis">
<emphasis box="[972,1108,1683,1709]" italics="true" pageId="1" pageNumber="186">S. unicornis</emphasis>
</taxonomicName>
has a large spine that can be clearly distinguished from the first two (
<bibRefCitation author="Mandelshtam, M. Y. &amp; Petrov, A. V." box="[602,933,1719,1745]" pageId="1" pageNumber="186" pagination="171 - 178" refId="ref3363" refString="Mandelshtam, M. Y. &amp; Petrov, A. V. (2010) Scolytus stepheni sp. n. - a new species of bark-beetle (Coleoptera, Curculionidae, Scolytinae) from Northern India with a key to Indian Scolytus Geoffroy, 1762 species. ZooKeys, 56, 171 - 178. https: // doi. org / 10.3897 / zookeys. 56.524" type="journal article" year="2010">Petrov &amp; Mandelshtam 2010</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection lastPageId="4" lastPageNumber="189" pageId="1" pageNumber="186" type="description">
<paragraph blockId="1.[151,1437,1287,2034]" pageId="1" pageNumber="186">
<emphasis bold="true" box="[199,345,1755,1781]" pageId="1" pageNumber="186">Description.</emphasis>
(
<figureCitation box="[360,487,1755,1781]" captionStart="FIGURE 1" captionStartId="2.[151,250,1915,1939]" captionTargetBox="[151,1435,412,1891]" captionTargetId="figure-118@2.[151,1435,411,1891]" captionTargetPageId="2" captionText="FIGURE 1 Scolytus unicornis. A) dorsal male habitus; B) lateral male habitus; C) male frons; D) male frons oblique; E) male venter; F: male venter oblique; G) dorsal female habitus; H) lateral female habitus; I) female frons; J) female frons oblique; K) female venter; L) female venter oblique." figureDoi="http://doi.org/10.5281/zenodo.7919123" httpUri="https://zenodo.org/record/7919123/files/figure.png" pageId="1" pageNumber="186">Fig. 1 AF</figureCitation>
). Male, total length
<quantity box="[711,846,1755,1782]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" metricValueMax="4.2" metricValueMin="3.8" pageId="1" pageNumber="186" unit="mm" value="4.0" valueMax="4.2" valueMin="3.8">3.84.2 mm</quantity>
long (mean = 4.0; n = 3), 2.12 times as long as wide (
<typeStatus box="[159,268,1791,1817]" pageId="1" pageNumber="186">paratypes</typeStatus>
2.13). Head and pronotum black; antennae reddish brown; legs, elytra, and abdomen reddish brown to dark brown.
</paragraph>
<paragraph blockId="1.[151,1437,1287,2034]" lastBlockId="2.[151,1436,151,393]" lastPageId="2" lastPageNumber="187" pageId="1" pageNumber="186">Head. Frons flat, surface shiny. Vertex fine, moderately dense punctures with a narrow, shallow, longitudinal gutter in the middle. Frons surface with smooth middle part having shallow punctures; space between punctures equal to four times that of the puncture diameter; lateral areas under the eyes with long bristle-like setae, apices of bristles incurved and directed towards middle of frons. Epistoma with deep longitudinally aciculate lines covered by sparse short yellow hairs; epistomal margin above mandibles strongly incurved towards central portion of the frons, with a pair of erect pointed brushes of dense setae. Antennal scape flattened, elongate, club irregularly ovoid, setose with partial septum, two sharply arcuate sutures visible.</paragraph>
<paragraph blockId="2.[151,1436,151,393]" pageId="2" pageNumber="187">Pronotum. Pronotum 0.95 times as long as wide, strongly constricted toward apex, widest at base, forming weak transverse impression near apical margin, base weakly bisinuate. Surface smooth, shining, punctures on central portion of disc fine, shallow, moderately dense, space between punctures equal to four times that of point diameters, punctures larger and dense laterally and on apical constriction. Apical and anterolateral margins bearing sparse, erect, yellow, hairlike setae.</paragraph>
<caption ID-DOI="http://doi.org/10.5281/zenodo.7919123" ID-Zenodo-Dep="7919123" httpUri="https://zenodo.org/record/7919123/files/figure.png" pageId="2" pageNumber="187" startId="2.[151,250,1915,1939]" targetBox="[151,1435,412,1891]" targetPageId="2" targetType="figure">
<paragraph blockId="2.[151,1436,1915,2012]" pageId="2" pageNumber="187">
<emphasis bold="true" box="[151,269,1915,1939]" pageId="2" pageNumber="187">FIGURE 1</emphasis>
<taxonomicName authorityName="Cao, Petrov &amp; Wang" authorityYear="2023" box="[275,462,1915,1939]" class="Insecta" family="Curculionidae" genus="Scolytus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="187" phylum="Arthropoda" rank="species" species="unicornis">
<emphasis box="[275,462,1915,1939]" italics="true" pageId="2" pageNumber="187">Scolytus unicornis</emphasis>
</taxonomicName>
.
<emphasis bold="true" box="[475,501,1915,1939]" pageId="2" pageNumber="187">A)</emphasis>
dorsal male habitus;
<emphasis bold="true" box="[719,736,1916,1940]" pageId="2" pageNumber="187">B</emphasis>
) lateral male habitus;
<emphasis bold="true" box="[963,981,1915,1939]" pageId="2" pageNumber="187">C</emphasis>
) male frons;
<emphasis bold="true" box="[1118,1136,1916,1940]" pageId="2" pageNumber="187">D</emphasis>
) male frons oblique;
<emphasis bold="true" box="[1355,1372,1916,1940]" pageId="2" pageNumber="187">E</emphasis>
) male venter;
<emphasis bold="true" box="[227,242,1952,1976]" pageId="2" pageNumber="187">F</emphasis>
: male venter oblique;
<emphasis bold="true" box="[469,489,1951,1975]" pageId="2" pageNumber="187">G</emphasis>
) dorsal female habitus;
<emphasis bold="true" box="[732,752,1952,1976]" pageId="2" pageNumber="187">H</emphasis>
) lateral female habitus;
<emphasis bold="true" box="[996,1006,1952,1976]" pageId="2" pageNumber="187">I</emphasis>
) female frons;
<emphasis bold="true" box="[1160,1173,1952,1976]" pageId="2" pageNumber="187">J</emphasis>
) female frons oblique;
<emphasis bold="true" box="[1408,1428,1952,1976]" pageId="2" pageNumber="187">K</emphasis>
) female venter;
<emphasis bold="true" box="[303,320,1988,2012]" pageId="2" pageNumber="187">L</emphasis>
) female venter oblique.
</paragraph>
</caption>
<caption ID-DOI="http://doi.org/10.5281/zenodo.7919125" ID-Zenodo-Dep="7919125" box="[151,1306,978,1003]" httpUri="https://zenodo.org/record/7919125/files/figure.png" pageId="3" pageNumber="188" startId="3.[151,250,978,1002]" targetBox="[212,1385,182,953]" targetPageId="3" targetType="figure">
<paragraph blockId="3.[151,1306,978,1003]" box="[151,1306,978,1003]" pageId="3" pageNumber="188">
<emphasis bold="true" box="[151,269,978,1002]" pageId="3" pageNumber="188">FIGURE 2</emphasis>
<taxonomicName authorityName="Cao, Petrov &amp; Wang" authorityYear="2023" box="[275,462,978,1002]" class="Insecta" family="Curculionidae" genus="Scolytus" kingdom="Animalia" order="Coleoptera" pageId="3" pageNumber="188" phylum="Arthropoda" rank="species" species="unicornis">
<emphasis box="[275,462,978,1002]" italics="true" pageId="3" pageNumber="188">Scolytus unicornis</emphasis>
</taxonomicName>
, male genitalia.
<emphasis bold="true" box="[630,648,978,1002]" pageId="3" pageNumber="188">A</emphasis>
) gastric spiculum;
<emphasis bold="true" box="[843,860,978,1002]" pageId="3" pageNumber="188">B</emphasis>
) tegmen from ventral view;
<emphasis bold="true" box="[1150,1168,978,1002]" pageId="3" pageNumber="188">C</emphasis>
) dorsal view.
</paragraph>
</caption>
<caption ID-DOI="http://doi.org/10.5281/zenodo.7919127" ID-Zenodo-Dep="7919127" box="[151,602,2014,2038]" httpUri="https://zenodo.org/record/7919127/files/figure.png" pageId="3" pageNumber="188" startId="3.[151,250,2014,2038]" targetBox="[151,1436,1026,1990]" targetPageId="3" targetType="figure">
<paragraph blockId="3.[151,602,2014,2038]" box="[151,602,2014,2038]" pageId="3" pageNumber="188">
<emphasis bold="true" box="[151,269,2014,2038]" pageId="3" pageNumber="188">FIGURE 3</emphasis>
<taxonomicName authorityName="Cao, Petrov &amp; Wang" authorityYear="2023" box="[275,462,2014,2038]" class="Insecta" family="Curculionidae" genus="Scolytus" kingdom="Animalia" order="Coleoptera" pageId="3" pageNumber="188" phylum="Arthropoda" rank="species" species="unicornis">
<emphasis box="[275,462,2014,2038]" italics="true" pageId="3" pageNumber="188">Scolytus unicornis</emphasis>
</taxonomicName>
female frons.
</paragraph>
</caption>
<paragraph blockId="4.[151,1437,151,861]" pageId="4" pageNumber="189">
Elytra. 1.13 times as long as wide (
<typeStatus box="[587,696,151,177]" pageId="4" pageNumber="189">paratypes</typeStatus>
1.11), 1.30 times as long as pronotum (
<typeStatus box="[1134,1243,151,177]" pageId="4" pageNumber="189">paratypes</typeStatus>
1.32). Sides subparallel on apical half, evenly rounded on apex. Disc punctured by straight rows of deep punctures, distance between punctures equal to double that of point diameters. Interstriae greater than twice width of striae, weakly impressed, with straight rows of small points, distance between punctures equal to four times that of points diameters. Declivity bearing sparse, short, erect yellow scaly setae, elytra apex slit along both sides with few, long, erect yellow setae.
</paragraph>
<paragraph blockId="4.[151,1437,151,861]" box="[199,873,331,357]" pageId="4" pageNumber="189">Metepimeron greater than half-length of the metepisternum.</paragraph>
<paragraph blockId="4.[151,1437,151,861]" pageId="4" pageNumber="189">Abdomen. Suture on the posterior margin of ventrite 1 slightly thickened. Ventrite 2 nearly perpendicular to ventrite 1, surface shining with slightly large punctures; setae moderately dense, scaly, short, erect. Large median spine is situated in the middle of ventrite 2 base, its length is almost the same length as ventrite 1, apex of the spine is pointed and bent up; suture on the posterior margin of ventrite 2 not thickened, but only weakly elevated relative to the base of the next ventrite. Sutures on the posterior margin of ventrites 3 and 4 weakly elevated relative to the base of the next ventrite. Ventrite 5 is black colored and is a half-elliptical shape; length of ventrite 5 greater than the combined lengths of ventrites 3 and 4.</paragraph>
<paragraph blockId="4.[151,1437,151,861]" pageId="4" pageNumber="189">
Genitalia. (
<figureCitation box="[324,464,619,645]" captionStart="FIGURE 2" captionStartId="3.[151,250,978,1002]" captionTargetBox="[212,1385,182,953]" captionTargetId="figure-20@3.[201,1386,181,954]" captionTargetPageId="3" captionText="FIGURE 2 Scolytus unicornis, male genitalia. A) gastric spiculum; B) tegmen from ventral view; C) dorsal view." figureDoi="http://doi.org/10.5281/zenodo.7919125" httpUri="https://zenodo.org/record/7919125/files/figure.png" pageId="4" pageNumber="189">Figs. 2 AC</figureCitation>
). Aedeagus
<quantity box="[600,700,618,645]" metricMagnitude="-4" metricUnit="m" metricValue="8.5" pageId="4" pageNumber="189" unit="mm" value="0.85">0.85 mm</quantity>
long, moderately stout, weakly sclerotized. Penis apodemes are a little longer than penis body. Small grains concentrated in the middle of penis apodemes. The apical part of penis is narrow and elongate. Gastric spiculum about
<quantity box="[661,761,691,717]" metricMagnitude="-4" metricUnit="m" metricValue="6.7" pageId="4" pageNumber="189" unit="mm" value="0.67">0.67 mm</quantity>
long, curving with two forks. Tegmen is short Y-shape.
</paragraph>
<paragraph blockId="4.[151,1437,151,861]" pageId="4" pageNumber="189">
<emphasis bold="true" box="[199,293,727,753]" pageId="4" pageNumber="189">Female.</emphasis>
(
<figureCitation box="[309,450,727,753]" captionStart="FIGURE 1" captionStartId="2.[151,250,1915,1939]" captionTargetBox="[151,1435,412,1891]" captionTargetId="figure-118@2.[151,1435,411,1891]" captionTargetPageId="2" captionText="FIGURE 1 Scolytus unicornis. A) dorsal male habitus; B) lateral male habitus; C) male frons; D) male frons oblique; E) male venter; F: male venter oblique; G) dorsal female habitus; H) lateral female habitus; I) female frons; J) female frons oblique; K) female venter; L) female venter oblique." figureDoi="http://doi.org/10.5281/zenodo.7919123" httpUri="https://zenodo.org/record/7919123/files/figure.png" pageId="4" pageNumber="189">Figs. 1 GL</figureCitation>
).
<quantity box="[469,604,727,753]" metricMagnitude="-3" metricUnit="m" metricValue="4.35" metricValueMax="4.4" metricValueMin="4.3" pageId="4" pageNumber="189" unit="mm" value="4.35" valueMax="4.4" valueMin="4.3">4.34.4 mm</quantity>
long (mean = 4.37; n = 4); 2.22.4 times as long as wide. Similar to male except that the frons is convex, the slightly raised blunt tubercle above epistoma, central portion of frons punctured by deep points, long bristle-like setae under the eye lateral areas sparser than male (
<figureCitation box="[1103,1182,799,825]" captionStart="FIGURE 3" captionStartId="3.[151,250,2014,2038]" captionTargetBox="[151,1436,1026,1990]" captionTargetId="figure-44@3.[151,1436,1026,1990]" captionTargetPageId="3" captionText="FIGURE 3 Scolytus unicornis female frons." figureDoi="http://doi.org/10.5281/zenodo.7919127" httpUri="https://zenodo.org/record/7919127/files/figure.png" pageId="4" pageNumber="189">Figs. 3</figureCitation>
); pronotum as long as wide; apex of spine on ventrite 2 is situated at the same horizontal level as its base.
</paragraph>
</subSubSection>
<caption ID-DOI="http://doi.org/10.5281/zenodo.7919129" ID-Zenodo-Dep="7919129" box="[151,1383,1808,1833]" httpUri="https://zenodo.org/record/7919129/files/figure.png" pageId="4" pageNumber="189" startId="4.[151,250,1808,1832]" targetBox="[151,1435,885,1785]" targetPageId="4" targetType="figure">
<paragraph blockId="4.[151,1383,1808,1833]" box="[151,1383,1808,1833]" pageId="4" pageNumber="189">
<emphasis bold="true" box="[151,269,1808,1832]" pageId="4" pageNumber="189">FIGURE 4</emphasis>
Galleries of
<taxonomicName authorityName="Cao, Petrov &amp; Wang" authorityYear="2023" box="[400,587,1809,1833]" class="Insecta" family="Curculionidae" genus="Scolytus" kingdom="Animalia" order="Coleoptera" pageId="4" pageNumber="189" phylum="Arthropoda" rank="species" species="unicornis">
<emphasis box="[400,587,1809,1833]" italics="true" pageId="4" pageNumber="189">Scolytus unicornis</emphasis>
</taxonomicName>
on
<taxonomicName box="[625,727,1809,1833]" class="Insecta" family="Tingidae" genus="Ulmus" kingdom="Animalia" order="Hemiptera" pageId="4" pageNumber="189" phylum="Arthropoda" rank="species" species="undetermined">
<emphasis box="[625,691,1809,1833]" italics="true" pageId="4" pageNumber="189">Ulmus</emphasis>
sp.
</taxonomicName>
found at the type locality Guomen Mountain (August 20, 2022).
</paragraph>
</caption>
<subSubSection pageId="4" pageNumber="189" type="etymology">
<paragraph blockId="4.[151,1437,1879,2013]" box="[199,1221,1879,1905]" pageId="4" pageNumber="189">
<emphasis bold="true" box="[199,334,1879,1905]" pageId="4" pageNumber="189">Etymology.</emphasis>
The species name makes reference to the tubercle of the
<typeStatus box="[975,1065,1879,1905]" pageId="4" pageNumber="189">allotype</typeStatus>
female frons.
</paragraph>
<paragraph blockId="4.[151,1437,1879,2013]" pageId="4" pageNumber="189">
<emphasis bold="true" box="[199,385,1914,1941]" pageId="4" pageNumber="189">Sequence Data.</emphasis>
<materialsCitation collectorName="Accession No. LC" country="Chad" location="CAD" pageId="4" pageNumber="189" specimenCount="1" typeStatus="paratype">
The DNA was extracted from a
<typeStatus box="[764,860,1915,1941]" pageId="4" pageNumber="189">paratype</typeStatus>
specimen collected from the same elm tree (Gen- Bank: COI,
<collectorName box="[286,493,1951,1977]" pageId="4" pageNumber="189">Accession No. LC</collectorName>
739369; 28S,
<collectorName box="[647,854,1951,1977]" pageId="4" pageNumber="189">Accession No. LC</collectorName>
739367;
<collectingCountry box="[952,1014,1951,1977]" name="Chad" pageId="4" pageNumber="189">CAD</collectingCountry>
,
<collectorName box="[1023,1230,1951,1977]" pageId="4" pageNumber="189">Accession No. LC</collectorName>
739368)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection lastPageId="5" lastPageNumber="190" pageId="4" pageNumber="189" type="biology_ecology">
<paragraph blockId="4.[151,1437,1879,2013]" lastBlockId="5.[151,1436,150,321]" lastPageId="5" lastPageNumber="190" pageId="4" pageNumber="189">
<emphasis bold="true" box="[199,295,1987,2013]" pageId="4" pageNumber="189">Biology.</emphasis>
<taxonomicName authorityName="Cao, Petrov &amp; Wang" authorityYear="2023" box="[303,438,1987,2013]" class="Insecta" family="Curculionidae" genus="Scolytus" kingdom="Animalia" order="Coleoptera" pageId="4" pageNumber="189" phylum="Arthropoda" rank="species" species="unicornis">
<emphasis box="[303,438,1987,2013]" italics="true" pageId="4" pageNumber="189">S. unicornis</emphasis>
</taxonomicName>
is a typical bark beetle, this species is monogamous. On
<date box="[1091,1252,1987,2013]" pageId="4" pageNumber="189" value="2022-06-28">June 28, 2022</date>
, the adults were found on the tree trunks of
<taxonomicName box="[456,568,150,177]" class="Insecta" family="Tingidae" genus="Ulmus" kingdom="Animalia" order="Hemiptera" pageId="5" pageNumber="190" phylum="Arthropoda" rank="species" species="undetermined">
<emphasis box="[456,529,150,176]" italics="true" pageId="5" pageNumber="190">Ulmus</emphasis>
sp.
</taxonomicName>
that were between 5 and
<quantity box="[853,908,150,177]" metricMagnitude="-2" metricUnit="m" metricValue="9.0" pageId="5" pageNumber="190" unit="cm" value="9.0">9 cm</quantity>
in diameter. A small series, consisting of a few adults, was collected by bark dissection. The galleries (
<figureCitation box="[770,838,186,212]" captionStart="FIGURE 2" captionStartId="3.[151,250,978,1002]" captionTargetBox="[212,1385,182,953]" captionTargetId="figure-20@3.[201,1386,181,954]" captionTargetPageId="3" captionText="FIGURE 2 Scolytus unicornis, male genitalia. A) gastric spiculum; B) tegmen from ventral view; C) dorsal view." figureDoi="http://doi.org/10.5281/zenodo.7919125" httpUri="https://zenodo.org/record/7919125/files/figure.png" pageId="5" pageNumber="190">Fig. 2</figureCitation>
) consisted of a single longitudinal egg gallery (about 4.0 cm long) with a large nuptial chamber. The egg gallery strongly scored the sapwood; the larval mine (about
<quantity box="[1382,1436,222,249]" metricMagnitude="-2" metricUnit="m" metricValue="5.0" pageId="5" pageNumber="190" unit="cm" value="5.0">5 cm</quantity>
long) lightly scored the sapwood and extended radially to both sides. It is noteworthy that the
<typeStatus box="[1200,1248,259,285]" pageId="5" pageNumber="190">type</typeStatus>
of
<taxonomicName authorityName="Yin &amp; Huang" authorityYear="1980" box="[1285,1436,259,285]" class="Insecta" family="Curculionidae" genus="Scolytus" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="190" phylum="Arthropoda" rank="species" species="squamosus">
<emphasis box="[1285,1436,259,285]" italics="true" pageId="5" pageNumber="190">S. squamosus</emphasis>
</taxonomicName>
was also found in the sampled individual elm tree.
</paragraph>
</subSubSection>
</treatment>
</document>