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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.762.23786" ID-GBIF-Dataset="e2e4f2e4-d306-4787-9eed-b7b69a5480a8" ID-PMC="PMC5990546" ID-Pensoft-Pub="1313-2970-762-33" ID-PubMed="29887736" ID-ZBK="35D37CBF6F9143CB9CDA210B7D0C7CD5" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1313-2970-762-33" ModsDocOrigin="ZooKeys 762" ModsDocTitle="Four species of spider genus Cheiracanthium C. L. Koch, 1839 (Araneae, Eutichuridae) from Jinggang Mountains, Jiangxi Province, China" checkinTime="1527698154521" checkinUser="pensoft" docAuthor="Zhang, Jianshuang, Zhang, Guren &amp; Yu, Hao" docDate="2018" docId="2671A33BF659BB56484CB9A57ACA3787" docLanguage="en" docName="ZooKeys 762: 33-45" docOrigin="ZooKeys 762" docSource="http://dx.doi.org/10.3897/zookeys.762.23786" docTitle="Cheiracanthium echinulatum Zhang, Zhang &amp; Yu, 2018, sp. n." docType="treatment" docUuid="A1935AC9-A0A9-45F2-8BFA-22E0F3172401" docUuidSource="ZooBank" docVersion="5" lastPageNumber="33" masterDocId="FF96FFEA061E0C41FFB5AF763A79FFAC" masterDocTitle="Four species of spider genus Cheiracanthium C. L. Koch, 1839 (Araneae, Eutichuridae) from Jinggang Mountains, Jiangxi Province, China" masterLastPageNumber="45" masterPageNumber="33" pageNumber="33" updateTime="1668165852233" updateUser="ExternalLinkService">
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<mods:titleInfo>
<mods:title>Four species of spider genus Cheiracanthium C. L. Koch, 1839 (Araneae, Eutichuridae) from Jinggang Mountains, Jiangxi Province, China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zhang, Jianshuang</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zhang, Guren</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Yu, Hao</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2018</mods:date>
<mods:detail type="volume">
<mods:number>762</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>33</mods:start>
<mods:end>45</mods:end>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.762.23786</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.762.23786</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-762-33</mods:identifier>
<mods:identifier type="ZBK">35D37CBF6F9143CB9CDA210B7D0C7CD5</mods:identifier>
<mods:identifier type="ZooBank">35D37CBF6F9143CB9CDA210B7D0C7CD5</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="144192097" LSID="urn:lsid:zoobank.org:act:A1935AC9-A0A9-45F2-8BFA-22E0F3172401" httpUri="http://treatment.plazi.org/id/2671A33BF659BB56484CB9A57ACA3787" lastPageNumber="33" pageId="0" pageNumber="33">
<subSubSection pageId="0" pageNumber="33" type="nomenclature">
<paragraph pageId="0" pageNumber="33">
<taxonomicName LSID="http://zoobank.org/A1935AC9-A0A9-45F2-8BFA-22E0F3172401" class="Arachnida" family="Eutichuridae" genus="Cheiracanthium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiracanthium echinulatum" order="Araneae" pageId="0" pageNumber="33" phylum="Arthropoda" rank="species" species="echinulatum">Cheiracanthium echinulatum</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="33">sp. n.</taxonomicNameLabel>
Figs 2, 5
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="33" type="type material">
<paragraph pageId="0" pageNumber="33">Type material.</paragraph>
<paragraph pageId="0" pageNumber="33">
Holotype ♂ (SYSU-JX-11-182): China, Jiangxi Province, Jinggang Mountains Nature Reserve, Xiangzhou village (380 m;
<geoCoordinate direction="north" orientation="latitude" precision="1" value="26.591732">26°35'30.23&quot;N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="1" value="114.26665">114°15'59.93&quot;E</geoCoordinate>
), 26 April 2011, Hao Yu and Zhenyu Jin leg. Paratypes: 1♂, same data as holotype.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="33" type="etymology">
<paragraph pageId="0" pageNumber="33">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="33">The species epithet is taken from the Latin adjective echinulatus and refers to the spinule-shaped tegular apophysis.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="33" type="diagnosis">
<paragraph pageId="0" pageNumber="33">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="33">
This new species resembles
<taxonomicName lsidName="C. taegense" pageId="0" pageNumber="33" rank="species" species="taegense">C. taegense</taxonomicName>
Paik, 1990 (Paik, 1990: 11, f. 39-47; Baba &amp; Yoshitake, 2016: 39, f. 1-4) in having the similar beak-shaped cymbial spur, and stalk-like dorsal tibial apophysis, but can be distinguished by: (1) the embolus originated at 3
<normalizedToken originalValue="oclock">o'clock</normalizedToken>
position (Fig. 2
<normalizedToken originalValue="BC">B-C</normalizedToken>
), vs. originated at 1-2
<normalizedToken originalValue="oclock">o'clock</normalizedToken>
position in
<taxonomicName lsidName="C. taegense" pageId="0" pageNumber="33" rank="species" species="taegense">C. taegense</taxonomicName>
(Paik, 1990: 11, f. 41; Baba &amp; Yoshitake, 2016: 39, f. 3-4); (2) tegular apophysis smaller, straight and acicular (Fig. 2
<normalizedToken originalValue="AC">A-C</normalizedToken>
), instead of bigger and slightly curved in
<taxonomicName lsidName="C. taegense" pageId="0" pageNumber="33" rank="species" species="taegense">C. taegense</taxonomicName>
(Paik, 1990: 11, f. 41, 43; Baba &amp; Yoshitake, 2016: 39, f. 3-4); (3) RTA straight and digitiform (Fig. 2
<normalizedToken originalValue="AC">A-C</normalizedToken>
), but with a curved and hook-shaped apex in
<taxonomicName lsidName="C. taegense" pageId="0" pageNumber="33" rank="species" species="taegense">C. taegense</taxonomicName>
(Baba &amp; Yoshitake, 2016: 39, f. 3-4).
</paragraph>
<caption pageId="0" pageNumber="33">
<paragraph pageId="0" pageNumber="33">
Figures 2.
<taxonomicName class="Arachnida" family="Cheiracanthiidae" genus="Cheiracanthium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiracanthium echinulatum" order="Araneae" pageId="0" pageNumber="33" phylum="Arthropoda" rank="species" species="echinulatum">Cheiracanthium echinulatum</taxonomicName>
sp. n., male holotype. A left palp, prolateral view B same, ventral view C same, retrolateral view D male habitus, dorsal view E same, ventral view F same, lateral view. Scale bars: 0.5 mm (
<normalizedToken originalValue="AC">A-C</normalizedToken>
); 2 mm (
<normalizedToken originalValue="DF">D-F</normalizedToken>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="33" type="description">
<paragraph pageId="0" pageNumber="33">Description.</paragraph>
<paragraph pageId="0" pageNumber="33">
Male. Total length 9.06-9.12. Holotype (Fig. 2): TL 9.06; CL 3.58, CW 2.34, CI (CL/CW) 1.53; AL 4.99, AW 2.27. Carapace (Fig. 2D, F) yellow except reddish ocular area, without distinct colour pattern. Eye sizes and inter-distances: OAL 0.34, OAW 1.26; AME 0.15, ALE 0.15, PME 0.14, PLE 0.13;
<normalizedToken originalValue="AMEAME">AME-AME</normalizedToken>
0.46,
<normalizedToken originalValue="AMEALE">AME-ALE</normalizedToken>
0.25,
<normalizedToken originalValue="PMEPME">PME-PME</normalizedToken>
0.54,
<normalizedToken originalValue="PMEPLE">PME-PLE</normalizedToken>
0.22; MOQA 0.43, MOQP 0.55, CLL 0.13. Chelicerae light brown and robust, with long and wine-coloured fangs, with 3 teeth on promargin and 3 on retromargin respectively. Sternum (Fig. 2E) yellowish, STL 1.79, STW 1.32. Labium and endites brown. Legs yellowish, without distinct colour markings. Leg measurements: I 23.70 (5.90, 1.05, 7.31, 7.99, 1.46), II 14.92 (3.41, 0.82, 4.14, 5.26, 1.29), III 11.10 (2.53, 1.43, 2.16, 3.94, 1.03), IV 16.42 (4.18, 1.21, 4.13, 5.66, 1.24); LL:CL 6.62. Leg spines: I 0-1p1r-1p1r, 3v-3v-1v1p, 2v-0-1v; II 0-1p1r-1p1r, 3v-2v-1v1p, 2v1p-2v1p-1v; III 0-1p1r-1p1r, 2v1p1r-1p1r-0, 2v1p1r-2v1p1r-2v1p2r; IV 0-1p1r-1p1r, 1v1p1r-1v2r-1v1r, 2v1p1r-2v1p1r-1v1p3r. Abdomen (Fig. 2
<normalizedToken originalValue="DF">D-F</normalizedToken>
) lanceolate, dorsally yellowish white, scattered numerous indistinct pigmented spots; venter yellowish without distinct pattern.
</paragraph>
<paragraph pageId="0" pageNumber="33">
Palp (Fig. 2
<normalizedToken originalValue="AC">A-C</normalizedToken>
). Tibia twice shorter than cymbium, with three apophyses; retrolateral tibial apophysis (RTA) about 50% of tibia length, heavily sclerotised and with a fingerlike apex; prolateral tibial apophysis (PTA) distinctly elevated and relatively short, about 30% of tibia length, coniform in prolateral view and digitiform in ventral view; dorsal tibial apophysis (DTA) thin and stalk-shaped, about as long as RTA; cymbial spur (CS) beak-shaped, twice shorter than tibia; cymbial fold (CF) strongly developed and well visible in ventral and retrolateral view, for approximately 2/3 the length of cymbium; tip of cymbium long, about 1/3 of cymbium length. Tegulum 1.3 longer than wide, membranous and semitransparent except its margin in ventral view; tegular apophysis (TA) short and thin, spiculate; embolus (E) starts on the retrolateral flank (approximately 3
<normalizedToken originalValue="oclock">o'clock</normalizedToken>
of tegulum), surrounds the base and ends at conductor (C) apex, its tip filiform and curved behind conductor; conductor large and membranous.
</paragraph>
<paragraph pageId="0" pageNumber="33">Female. Unknown.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="33" type="comments">
<paragraph pageId="0" pageNumber="33">Comments.</paragraph>
<paragraph pageId="0" pageNumber="33">
According to the
<bibRefCitation author="Wang, YN" journalOrPublisher="Acta Zootaxonomica Sinica" pageId="0" pageNumber="33" url="http://wsc.nmbe.ch" year="2018">World Spider Catalogue 2018</bibRefCitation>
, a total of 11
<taxonomicName class="Arachnida" family="Cheiracanthiidae" genus="Cheiracanthium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiracanthium" order="Araneae" pageId="0" pageNumber="33" phylum="Arthropoda" rank="genus">Cheiracanthium</taxonomicName>
species are known from females only in China:
<taxonomicName lsidName="C. approximatum" pageId="0" pageNumber="33" rank="species" species="approximatum">C. approximatum</taxonomicName>
O. P.-Cambridge, 1885,
<taxonomicName lsidName="C. escaladae" pageId="0" pageNumber="33" rank="species" species="escaladae">C. escaladae</taxonomicName>
Barrion et al., 2013,
<taxonomicName lsidName="C. fujianense" pageId="0" pageNumber="33" rank="species" species="fujianense">C. fujianense</taxonomicName>
Gong, 1983,
<taxonomicName lsidName="C. hypocyrtum" pageId="0" pageNumber="33" rank="species" species="hypocyrtum">C. hypocyrtum</taxonomicName>
Zhang &amp; Zhu, 1993,
<taxonomicName lsidName="C. liuyangense" pageId="0" pageNumber="33" rank="species" species="liuyangense">C. liuyangense</taxonomicName>
Xie et al., 1996,
<taxonomicName lsidName="C. olliforme" pageId="0" pageNumber="33" rank="species" species="olliforme">C. olliforme</taxonomicName>
Zhang &amp; Zhu, 1993,
<taxonomicName lsidName="C. potanini" pageId="0" pageNumber="33" rank="species" species="potanini">C. potanini</taxonomicName>
Schenkel, 1963,
<taxonomicName lsidName="C. rupicola" pageId="0" pageNumber="33" rank="species" species="rupicola">C. rupicola</taxonomicName>
(Thorell, 1897),
<taxonomicName lsidName="C. solidum" pageId="0" pageNumber="33" rank="species" species="solidum">C. solidum</taxonomicName>
Zhang et al., 1993,
<taxonomicName lsidName="C. sphaericum" pageId="0" pageNumber="33" rank="species" species="sphaericum">C. sphaericum</taxonomicName>
Zhang et al., 1993,
<taxonomicName lsidName="C. longtailen" pageId="0" pageNumber="33" rank="species" species="longtailen">C. longtailen</taxonomicName>
Xu, 1993. Among them,
<taxonomicName lsidName="C. escaladae" pageId="0" pageNumber="33" rank="species" species="escaladae">C. escaladae</taxonomicName>
is supposedly a
<taxonomicName class="Arachnida" family="Clubionidae" genus="Clubiona" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Clubiona" order="Araneae" pageId="0" pageNumber="33" phylum="Arthropoda" rank="genus">Clubiona</taxonomicName>
species based on epigyne morphology, while
<taxonomicName lsidName="C. potanini" pageId="0" pageNumber="33" rank="species" species="potanini">C. potanini</taxonomicName>
is supposededly doubtful because of the poor original illustrations and description. The other nine can be considered tentatively as valid
<taxonomicName class="Arachnida" family="Cheiracanthiidae" genus="Cheiracanthium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cheiracanthium" order="Araneae" pageId="0" pageNumber="33" phylum="Arthropoda" rank="genus">Cheiracanthium</taxonomicName>
species. However, none of them could be matched with
<taxonomicName lsidName="C. echinulatum" pageId="0" pageNumber="33" rank="species" species="echinulatum">C. echinulatum</taxonomicName>
sp. n. due to their different habitus (abdomen without distinct colour pattern in
<taxonomicName lsidName="C. echinulatum" pageId="0" pageNumber="33" rank="species" species="echinulatum">C. echinulatum</taxonomicName>
sp. n., but with a median heart-shaped mark in
<taxonomicName lsidName="C. approximatum" pageId="0" pageNumber="33" rank="species" species="approximatum">C. approximatum</taxonomicName>
,
<taxonomicName lsidName="C. fujianense" pageId="0" pageNumber="33" rank="species" species="fujianense">C. fujianense</taxonomicName>
and
<taxonomicName lsidName="C. rupicola" pageId="0" pageNumber="33" rank="species" species="rupicola">C. rupicola</taxonomicName>
, with two pairs of muscular depressions in
<taxonomicName lsidName="C. hypocyrtum" pageId="0" pageNumber="33" rank="species" species="hypocyrtum">C. hypocyrtum</taxonomicName>
,
<taxonomicName lsidName="C. liuyangense" pageId="0" pageNumber="33" rank="species" species="liuyangense">C. liuyangense</taxonomicName>
and
<taxonomicName lsidName="C. sphaericum" pageId="0" pageNumber="33" rank="species" species="sphaericum">C. sphaericum</taxonomicName>
) and different number of cheliceral teeth (chelicerae with 3 promarginal and 3 retromarginal teeth in
<taxonomicName lsidName="C. echinulatum" pageId="0" pageNumber="33" rank="species" species="echinulatum">C. echinulatum</taxonomicName>
sp. n., but with 3 promarginal and 2 retromarginal teeth in
<taxonomicName lsidName="C. hypocyrtum" pageId="0" pageNumber="33" rank="species" species="hypocyrtum">C. hypocyrtum</taxonomicName>
,
<taxonomicName lsidName="C. olliforme" pageId="0" pageNumber="33" rank="species" species="olliforme">C. olliforme</taxonomicName>
and
<taxonomicName lsidName="C. sphaericum" pageId="0" pageNumber="33" rank="species" species="sphaericum">C. sphaericum</taxonomicName>
, with 3 promarginal and 1 retromarginal teeth in
<taxonomicName lsidName="C. liuyangense" pageId="0" pageNumber="33" rank="species" species="liuyangense">C. liuyangense</taxonomicName>
, with 2 promarginal and 1 retromarginal teeth in
<taxonomicName lsidName="C. solidum" pageId="0" pageNumber="33" rank="species" species="solidum">C. solidum</taxonomicName>
, with 2 promarginal and 3 retromarginal teeth in
<taxonomicName lsidName="C. longtailen" pageId="0" pageNumber="33" rank="species" species="longtailen">C. longtailen</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="33" type="distribution">
<paragraph pageId="0" pageNumber="33">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="33">Presently known only from the type locality, Jinggang Mountains, Jiangxi, China (Fig. 5).</paragraph>
</subSubSection>
</treatment>
</document>