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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.703.13641" ID-GBIF-Dataset="61bf9687-2295-4c7a-aa17-bb97736a12df" ID-PMC="PMC5674017" ID-Pensoft-Pub="1313-2970-703-109" ID-PubMed="29118606" ID-ZBK="0FF3A9EB0AC145A889576D3AA945B5C8" ModsDocAuthor="" ModsDocDate="2017" ModsDocID="1313-2970-703-109" ModsDocOrigin="ZooKeys 703" ModsDocTitle="Callosa gen. n., a new troglobitic genus from southwest China (Araneae, Linyphiidae)" checkinTime="1506663136800" checkinUser="pensoft" docAuthor="Zhao, Qingyuan &amp; Li, Shuqiang" docDate="2017" docId="0EA026E1EB6AE6D8407BAB7067B8DA64" docLanguage="en" docName="ZooKeys 703: 109-128" docOrigin="ZooKeys 703" docSource="http://dx.doi.org/10.3897/zookeys.703.13641" docTitle="Callosa Zhao &amp; Li, 2017, gen. n." docType="treatment" docUuid="4EC11D86-CC7A-4467-8AB6-83356A928616" docUuidSource="ZooBank" docVersion="5" lastPageNumber="109" masterDocId="FF8FB4751A6C4E1EFFE5C3140610FFFB" masterDocTitle="Callosa gen. n., a new troglobitic genus from southwest China (Araneae, Linyphiidae)" masterLastPageNumber="128" masterPageNumber="109" pageNumber="109" updateTime="1668164851082" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Callosa gen. n., a new troglobitic genus from southwest China (Araneae, Linyphiidae)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zhao, Qingyuan</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Li, Shuqiang</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>2017</mods:date>
<mods:detail type="volume">
<mods:number>703</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>109</mods:start>
<mods:end>128</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.703.13641</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.703.13641</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-703-109</mods:identifier>
<mods:identifier type="ZBK">0FF3A9EB0AC145A889576D3AA945B5C8</mods:identifier>
<mods:identifier type="ZooBank">0FF3A9EB0AC145A889576D3AA945B5C8</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="134873751" LSID="urn:lsid:zoobank.org:act:4EC11D86-CC7A-4467-8AB6-83356A928616" httpUri="http://treatment.plazi.org/id/0EA026E1EB6AE6D8407BAB7067B8DA64" lastPageNumber="109" pageId="0" pageNumber="109">
<subSubSection pageId="0" pageNumber="109" type="nomenclature">
<paragraph pageId="0" pageNumber="109">
Genus
<taxonomicName LSID="http://zoobank.org/4EC11D86-CC7A-4467-8AB6-83356A928616" class="Arachnida" family="Linyphiidae" genus="Callosa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Callosa" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="genus">Callosa</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="109">gen. n.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="type species">
<paragraph pageId="0" pageNumber="109">Type species.</paragraph>
<paragraph pageId="0" pageNumber="109">
<taxonomicName class="Arachnida" family="Linyphiidae" genus="Callosa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Callosa ciliata" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="ciliata">Callosa ciliata</taxonomicName>
sp. n.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="etymology">
<paragraph pageId="0" pageNumber="109">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="109">The generic name is an arbitrary combination of letters. Gender is feminine.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="diagnosis">
<paragraph pageId="0" pageNumber="109">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="109">
The copulatory organs in this genus clearly resemble those in
<taxonomicName lsidName="" pageId="0" pageNumber="109" rank="tribe" tribe="Porrhommini">Porrhommini</taxonomicName>
, but differ from the similar genera by: embolus in
<taxonomicName class="Arachnida" family="Linyphiidae" genus="Callosa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Callosa" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="genus">Callosa</taxonomicName>
gen. n. is long and forms one big loop (Figs 1A, 5A), neither a short and curved one as in
<taxonomicName class="Arachnida" family="Linyphiidae" genus="Porrhomma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Porrhomma" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="genus">Porrhomma</taxonomicName>
Simon, 1884,
<taxonomicName class="Arachnida" family="Linyphiidae" genus="Diplostyla" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Diplostyla" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="genus">Diplostyla</taxonomicName>
Emerton, 1882,
<taxonomicName class="Arachnida" family="Linyphiidae" genus="Pacifiphantes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pacifiphantes" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="genus">Pacifiphantes</taxonomicName>
Eskov &amp; Marusik, 1994 (
<bibRefCitation author="Roberts, MJ" journalOrPublisher="Harley Books, England" pageId="0" pageNumber="109" title="The spiders of great Britain and Ireland. Volume 2." year="1987">Roberts 1987</bibRefCitation>
: figs 58
<normalizedToken originalValue="a–e">a-e</normalizedToken>
, 59
<normalizedToken originalValue="a–e">a-e</normalizedToken>
;
<bibRefCitation author="Eskov, KY" journalOrPublisher="Arthropoda Selecta" pageId="0" pageNumber="109" pagination="41 - 79" title="New data on the taxonomy and faunistics of North Asian linyphiid spiders (AraneiLinyphiidae)." volume="2" year="1994">Eskov and Marusik 1994</bibRefCitation>
: fig. 42), nor an apically coiled one as in most
<taxonomicName class="Arachnida" family="Linyphiidae" genus="Bathyphantes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bathyphantes" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="genus">Bathyphantes</taxonomicName>
Menge, 1866 (
<bibRefCitation author="Roberts, MJ" journalOrPublisher="Harley Books, England" pageId="0" pageNumber="109" title="The spiders of great Britain and Ireland. Volume 2." year="1987">Roberts 1987</bibRefCitation>
: fig. 70
<normalizedToken originalValue="a–e">a-e</normalizedToken>
); the embolus in
<taxonomicName class="Arachnida" family="Linyphiidae" genus="Bathyphantes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bathyphantes approximatus" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="approximatus">Bathyphantes approximatus</taxonomicName>
(O. Pickard-Cambridge, 1871) is longer and slimmer, forming more than 2 loops (
<bibRefCitation author="Ivie, W" journalOrPublisher="American Museum Novitates" pageId="0" pageNumber="109" pagination="1 - 70" title="North American spiders of the genus Bathyphantes (Araneae, Linyphiidae)." volume="2364" year="1969">Ivie 1969</bibRefCitation>
: fig. 102);
<taxonomicName class="Arachnida" family="Linyphiidae" genus="Microbathyphantes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Microbathyphantes" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="genus">Microbathyphantes</taxonomicName>
Helsdingen, 1985 has coiled, whip-like, and fully exposed embolus (
<bibRefCitation author="Tu, LH" journalOrPublisher="The Raffles Bulletin of Zoology" pageId="1" pageNumber="110" pagination="103 - 117" title="Three new and four newly recorded species of Linyphiinae and Micronetinae spiders (Araneae: Linyphiidae) from northern Vietnam." volume="54" year="2006">Tu and Li 2006</bibRefCitation>
: fig. 2C), unlike the one enveloped in a membranous plate of the convector in
<taxonomicName class="Arachnida" family="Linyphiidae" genus="Callosa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Callosa" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="genus">Callosa</taxonomicName>
gen. n. The epigyne in
<taxonomicName class="Arachnida" family="Linyphiidae" genus="Callosa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Callosa" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="genus">Callosa</taxonomicName>
gen. n. is distinguished by its long, spiraling copulatory furrows and the presence of a septum (Figs 3C, 7C); the receptacles are situated farther from atrium in most
<taxonomicName class="Arachnida" family="Linyphiidae" genus="Bathyphantes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bathyphantes" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="genus">Bathyphantes</taxonomicName>
species, furrows are not in double-helix;
<taxonomicName class="Arachnida" family="Linyphiidae" genus="Kaestneria" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Kaestneria" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="genus">Kaestneria</taxonomicName>
Wiehle, 1956 and
<taxonomicName class="Arachnida" family="Linyphiidae" genus="Pacifiphantes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pacifiphantes" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="genus">Pacifiphantes</taxonomicName>
have shorter copulatory furrows, which fold or curve (
<bibRefCitation author="Slowik, J" journalOrPublisher="Zootaxa" pageId="0" pageNumber="109" pagination="73 - 81" title="First description of the male spider Pacifiphantesmagnificus (Chamberlin &amp; Ivie) (Araneae: Linyphiidae)." volume="3481" year="2012">Slowik and Blagoev 2012</bibRefCitation>
: fig. 6); the copulatory furrows in
<taxonomicName class="Arachnida" family="Linyphiidae" genus="Microbathyphantes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Microbathyphantes" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="genus">Microbathyphantes</taxonomicName>
make only half a turn.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="description">
<paragraph pageId="0" pageNumber="109">Description.</paragraph>
<paragraph pageId="0" pageNumber="109">Median size, 2.5‒2.8. Chelicerae with three promarginal, and four retromarginal teeth. AME completely lost, PME reduced to small unpigmented spots, ALE and PLE highly reduced (Figs 2C, 2E, 3D, 3F, 6C, 6E, 7D, 7F); ocular area with several rows of short setae (Figs 2C, 6C). Carapace length/leg I 0.13- 0.15. Coxae IV separated by their diameter. Chaetotaxy: 2-2-2-2. TmI 0.15-0.20, TmIV absent. Leg formula I-II-IV-III. Legs yellow without obvious patterns.</paragraph>
<paragraph pageId="0" pageNumber="109">
Male palp: femur about four times longer than patella; tibia with two trichobothria, one ventral and one retrolateral (Fig. 5B). Cymbium spindle-shaped at dorsal view (Figs 2A, 6A); Paracymbium
<normalizedToken originalValue="‘J’">'J'</normalizedToken>
-shaped, stout at base, attenuated and curved at apex (Figs 1B, 5B). Bulb with an oblate subtegulum and a protruding protegulum (Figs 1B, 5B). Convector with a membranous plate enveloping the prolateral side of embolic division (Figs 1A, 5A), and a ribbon-like ventral process (Figs 1B, 2B, 5B, 6B); dorsal projection of convector situated near the base of cymbium in prolateral view (Figs 1A, 5A); distal suprategular apophysis pick-like, broad at base, hooked at apex (Figs 1D, 5D); median membrane with dense membranous short cilia (Figs 4B, 8B); embolus long and belt-like, with a tapering tip, making 1.5 loops along the exterior margin of convector plate (Figs 1A, 5A).
</paragraph>
<paragraph pageId="0" pageNumber="109">
<taxonomicName genus="Epigyne" lsidName="Epigyne" pageId="0" pageNumber="109" rank="genus">Epigyne</taxonomicName>
: dome-shaped in lateral view, with atrium fully exposed in ventral view (Figs 3A, 4
<normalizedToken originalValue="C–D">C-D</normalizedToken>
, 7A, 8
<normalizedToken originalValue="C–D">C-D</normalizedToken>
); septum stretched along the axis of atrium; parmula short with a shallow socket near tip (Figs 4D, 8C); copulatory furrows making a spiral course (Figs 3C, 7C); receptacles oval, with short, tube-like processes (Figs 3C, 7C).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="species composition">
<paragraph pageId="0" pageNumber="109">Species composition.</paragraph>
<paragraph pageId="0" pageNumber="109">
Two species,
<taxonomicName class="Arachnida" family="Linyphiidae" genus="Callosa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Callosa ciliata" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="ciliata">Callosa ciliata</taxonomicName>
sp. n. (type species) and
<taxonomicName class="Arachnida" family="Linyphiidae" genus="Callosa" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Callosa baiseensis" order="Araneae" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="baiseensis">Callosa baiseensis</taxonomicName>
sp. n.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="distribution">
<paragraph pageId="0" pageNumber="109">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="109">Yunnan Province and Guangxi Zhuang Autonomous Region, China (Fig. 9).</paragraph>
</subSubSection>
</treatment>
</document>
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