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<document id="65623C8554E6B83E206E4694859AD940" ID-DOI="10.1206/0003-0090(2000)254&lt;0001:NWPSAP&gt;2.0.CO;2" ID-ISSN="0003-0090" ID-Zenodo-Dep="5350821" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630205523904" checkinUser="felipe" docAuthor="HUBER, BERNHARD A." docDate="2000" docId="03ACD2768F2FFF95FC85FBB4429E3BFA" docLanguage="en" docName="B254.pdf" docOrigin="Bulletin of the American Museum of Natural History 2000 (254)" docSource="http://www.bioone.org/perlserv/?request=get-abstract&amp;doi=10.1206%2F0003-0090(2000)254%3C0001%3ANWPSAP%3E2.0.CO%3B2" docStyle="DocumentStyle:2B34016C1EBFE58B07368F9517618743.3:BulAmeMusNatHis.2000-2010.journal_article.0cover.type1" docStyleId="2B34016C1EBFE58B07368F9517618743" docStyleName="BulAmeMusNatHis.2000-2010.journal_article.0cover.type1" docStyleVersion="3" docTitle="Chisosa HUBER 2000, NEW GENUS" docType="treatment" docVersion="3" lastPageNumber="125" masterDocId="FF95AA0E8F54FFE9FFAEFFB840163F6E" masterDocTitle="New World Pholcid Spiders (Araneae: Pholcidae): A Revision At Generic Level" masterLastPageNumber="348" masterPageNumber="1" pageNumber="124" updateTime="1699184877201" updateUser="plazi" zenodo-license-document="CC-BY-4.0">
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<mods:title id="77E6453F11A129C125E7B8EE2F7F7773">New World Pholcid Spiders (Araneae: Pholcidae): A Revision At Generic Level</mods:title>
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<treatment id="03ACD2768F2FFF95FC85FBB4429E3BFA" LSID="urn:lsid:plazi:treatment:03ACD2768F2FFF95FC85FBB4429E3BFA" httpUri="http://treatment.plazi.org/id/03ACD2768F2FFF95FC85FBB4429E3BFA" lastPageId="124" lastPageNumber="125" pageId="123" pageNumber="124">
<subSubSection id="C31F30EB8F2FFF92FC85FBB444713B4D" box="[811,1127,1036,1060]" pageId="123" pageNumber="124" type="nomenclature">
<paragraph id="8BBA63608F2FFF92FC85FBB444713B4D" blockId="123.[811,1127,1036,1060]" box="[811,1127,1036,1060]" pageId="123" pageNumber="124">
<heading id="D0F2D40C8F2FFF92FC85FBB444713B4D" box="[811,1127,1036,1060]" centered="true" fontSize="10" level="2" pageId="123" pageNumber="124" reason="4">
<taxonomicName id="4C0518E38F2FFF92FC85FBB443BF3B4A" ID-CoL="3NDL" ID-ENA="2069044" authority="HUBER, 2000" authorityName="HUBER" authorityYear="2000" box="[811,937,1036,1060]" class="Arachnida" family="Pholcidae" genus="Chisosa" kingdom="Animalia" order="Araneae" pageId="123" pageNumber="124" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B971BF728F2FFF92FC85FBB443BF3B4A" bold="true" box="[811,937,1036,1060]" italics="true" pageId="123" pageNumber="124">CHISOSA</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="A24202098F2FFF92FC14FBB444713B4D" box="[954,1127,1036,1059]" pageId="123" pageNumber="124" rank="genus">NEW GENUS</taxonomicNameLabel>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C31F30EB8F2FFF92FD70FBF8438D3B1A" pageId="123" pageNumber="124" type="materials_examined">
<paragraph id="8BBA63608F2FFF92FD70FBF8438D3B1A" blockId="123.[705,1234,1088,1756]" pageId="123" pageNumber="124">
<typeStatus id="54BEDDC28F2FFF92FD70FBF8430E3B38" box="[734,792,1088,1111]" pageId="123" pageNumber="124">TYPE</typeStatus>
SPECIES:
<taxonomicName id="4C0518E38F2FFF92FC24FBF8438E3B1A" authority="Gertsch and Mulaik, 1941" authorityName="Gertsch and Mulaik" authorityYear="1941" class="Arachnida" family="Pholcidae" genus="Pholcophora" kingdom="Animalia" order="Araneae" pageId="123" pageNumber="124" phylum="Arthropoda" rank="species" species="diluta">
<emphasis id="B971BF728F2FFF92FC24FBF844783B39" box="[906,1134,1088,1111]" italics="true" pageId="123" pageNumber="124">Pholcophora diluta</emphasis>
Gertsch and Mulaik, 1941
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C31F30EB8F2FFF92FD70FBC344603BA2" pageId="123" pageNumber="124" type="etymology">
<paragraph id="8BBA63608F2FFF92FD70FBC344603BA2" blockId="123.[705,1234,1088,1756]" pageId="123" pageNumber="124">
ETYMOLOGY: The generic name is derived from the Chisos Mountains in Big Bend National Park,
<collectingRegion id="49C1AD828F2FFF92FCFDFB0D438C3BA2" box="[851,922,1205,1228]" country="United States of America" name="Texas" pageId="123" pageNumber="124">Texas</collectingRegion>
. Gender feminine.
</paragraph>
</subSubSection>
<subSubSection id="C31F30EB8F2FFF92FD70FB6B44973AD9" pageId="123" pageNumber="124" type="diagnosis">
<paragraph id="8BBA63608F2FFF92FD70FB6B44973AD9" blockId="123.[705,1234,1088,1756]" pageId="123" pageNumber="124">
DIAGNOSIS: Tiny pholcids (total length ~
<quantity id="4CFDCE858F2FFF92FD6FFB4843523A69" box="[705,836,1264,1287]" metricMagnitude="-3" metricUnit="m" metricValue="1.2999999999999998" metricValueMax="1.4" metricValueMin="1.2" pageId="123" pageNumber="124" unit="mm" value="1.2999999999999998" valueMax="1.4" valueMin="1.2">1.21.4 mm</quantity>
) with short legs, globular opisthosoma, without thoracic groove, with eight eyes, stridulatory ridges on male chelicerae; distinguished from other North American short-legged genera (
<taxonomicName id="4C0518E38F2FFF92FC6AFADE444A3A13" box="[964,1116,1382,1405]" class="Arachnida" family="Pholcidae" genus="Pholcophora" kingdom="Animalia" order="Araneae" pageId="123" pageNumber="124" phylum="Arthropoda" rank="genus">
<emphasis id="B971BF728F2FFF92FC6AFADE444A3A13" box="[964,1116,1382,1405]" italics="true" pageId="123" pageNumber="124">Pholcophora</emphasis>
</taxonomicName>
,
<taxonomicName id="4C0518E38F2FFF92FBDEFADE44D13A13" authorityName="HUBER" authorityYear="2000" box="[1136,1223,1382,1405]" class="Arachnida" family="Pholcidae" genus="Tolteca" kingdom="Animalia" order="Araneae" pageId="123" pageNumber="124" phylum="Arthropoda" rank="genus">
<emphasis id="B971BF728F2FFF92FBDEFADE44D13A13" box="[1136,1223,1382,1405]" italics="true" pageId="123" pageNumber="124">Tolteca</emphasis>
</taxonomicName>
) by the distally enlarged male palpal femur and the large and complex procursus.
</paragraph>
</subSubSection>
<subSubSection id="C31F30EB8F2FFF95FD70FA0541DB3C91" lastPageId="124" lastPageNumber="125" pageId="123" pageNumber="124" type="description">
<paragraph id="8BBA63608F2FFF92FD70FA0544D53ABA" blockId="123.[705,1234,1088,1756]" box="[734,1219,1469,1492]" pageId="123" pageNumber="124">
DESCRIPTION: Total length ~
<quantity id="4CFDCE858F2FFF92FB95FA0544A93ABA" box="[1083,1215,1469,1492]" metricMagnitude="-3" metricUnit="m" metricValue="1.2999999999999998" metricValueMax="1.4" metricValueMin="1.2" pageId="123" pageNumber="124" unit="mm" value="1.2999999999999998" valueMax="1.4" valueMin="1.2">1.21.4 mm</quantity>
.
</paragraph>
<paragraph id="8BBA63608F2FFF95FD6FFA63424C3DD2" blockId="123.[705,1234,1088,1756]" lastBlockId="124.[125,654,208,1111]" lastPageId="124" lastPageNumber="125" pageId="123" pageNumber="124">
Carapace light ochre, without thoracic groove; ocular area hardly elevated (fig. 478), with eight eyes, AME only slightly smaller than others (fig. 481); distance PME- ALE small (~ 25% of PME diameter). Male clypeus unmodified. Male chelicerae with one (
<taxonomicName id="4C0518E38F2FFF92FD52F933437539CC" authorityName="Gertsch and Mulaik" authorityYear="1941" box="[764,867,1675,1698]" class="Arachnida" family="Pholcidae" genus="Pholcophora" kingdom="Animalia" order="Araneae" pageId="123" pageNumber="124" phylum="Arthropoda" rank="species" species="diluta">
<emphasis id="B971BF728F2FFF92FD52F933437539CC" box="[764,867,1675,1698]" italics="true" pageId="123" pageNumber="124">C. diluta</emphasis>
</taxonomicName>
) or two (
<taxonomicName id="4C0518E38F2FFF92FC7FF933443139CC" authorityName="HUBER" authorityYear="2000" baseAuthorityName="Gertsch" baseAuthorityYear="1982" box="[977,1063,1675,1698]" class="Arachnida" family="Pholcidae" genus="Chisosa" kingdom="Animalia" order="Araneae" pageId="123" pageNumber="124" phylum="Arthropoda" rank="species" species="baja">
<emphasis id="B971BF728F2FFF92FC7FF933443139CC" box="[977,1063,1675,1698]" italics="true" pageId="123" pageNumber="124">C. baja</emphasis>
</taxonomicName>
) pairs of frontal apophyses, with stridulatory ridges laterally. Sternum without anterior humps. Male palpal coxa without retrolateral apophysis, femur relatively large, conspicuously widened distally; procursus relatively large and complicated. Tarsal organ exposed (examined:
<taxonomicName id="4C0518E38F28FF95FF6CFEFE413D3E33" authorityName="Gertsch and Mulaik" authorityYear="1941" box="[194,299,326,349]" class="Arachnida" family="Pholcidae" genus="Pholcophora" kingdom="Animalia" order="Araneae" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="diluta">
<emphasis id="B971BF728F28FF95FF6CFEFE413D3E33" box="[194,299,326,349]" italics="true" pageId="124" pageNumber="125">C. diluta</emphasis>
</taxonomicName>
). Bulb with relatively simple embolar division. Legs short (leg 1 about 3 3.5 × body length; tibia 1 l/d: 14 21), leg formula
<quantity id="4CFDCE858F28FF95FF4AFE2541563EDA" box="[228,320,413,436]" metricMagnitude="1" metricUnit="m" metricValue="3.61442" pageId="124" pageNumber="125" unit="in" value="1423.0">1423 in</quantity>
<taxonomicName id="4C0518E38F28FF95FEE4FE2641A53EDB" authorityName="Gertsch and Mulaik" authorityYear="1941" box="[330,435,414,437]" class="Arachnida" family="Pholcidae" genus="Pholcophora" kingdom="Animalia" order="Araneae" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="diluta">
<emphasis id="B971BF728F28FF95FEE4FE2641A53EDB" box="[330,435,414,437]" italics="true" pageId="124" pageNumber="125">C. diluta</emphasis>
</taxonomicName>
,
<quantity id="4CFDCE858F28FF95FE6BFE2542373EDA" box="[453,545,413,436]" metricMagnitude="2" metricUnit="m" metricValue="1.047242" pageId="124" pageNumber="125" unit="in" value="4123.0">4123 in</quantity>
<taxonomicName id="4C0518E38F28FF95FD82FE2642933EDB" authorityName="HUBER" authorityYear="2000" baseAuthorityName="Gertsch" baseAuthorityYear="1982" box="[556,645,414,437]" class="Arachnida" family="Pholcidae" genus="Chisosa" kingdom="Animalia" order="Araneae" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="baja">
<emphasis id="B971BF728F28FF95FD82FE2642933EDB" box="[556,645,414,437]" italics="true" pageId="124" pageNumber="125">C. baja</emphasis>
</taxonomicName>
; legs without spines, without curved and vertical hairs; retrolateral trichobothrium on tibia 1 very distal (at 63% in
<taxonomicName id="4C0518E38F28FF95FE19FE4E42083D63" authorityName="Gertsch and Mulaik" authorityYear="1941" box="[439,542,502,525]" class="Arachnida" family="Pholcidae" genus="Pholcophora" kingdom="Animalia" order="Araneae" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="diluta">
<emphasis id="B971BF728F28FF95FE19FE4E42083D63" box="[439,542,502,525]" italics="true" pageId="124" pageNumber="125">C. diluta</emphasis>
</taxonomicName>
, not seen in
<taxonomicName id="4C0518E38F28FF95FF0FFDAB40EB3D44" authorityName="HUBER" authorityYear="2000" baseAuthorityName="Gertsch" baseAuthorityYear="1982" box="[161,253,531,554]" class="Arachnida" family="Pholcidae" genus="Chisosa" kingdom="Animalia" order="Araneae" pageId="124" pageNumber="127" phylum="Arthropoda" rank="species" species="baja">
C.
<emphasis id="B971BF728F28FF95FF67FDAB40EB3D44" box="[201,253,531,554]" italics="true" pageId="124" pageNumber="125">baja</emphasis>
</taxonomicName>
); tarsus 1 with ~ 5 pseudosegments. Opisthosoma globular, monochromous; male epigastric system not examined; ALS with piriform gland spigots (examined:
<taxonomicName id="4C0518E38F28FF95FFD3FD3040FD3DF1" authorityName="Gertsch and Mulaik" authorityYear="1941" box="[125,235,648,671]" class="Arachnida" family="Pholcidae" genus="Pholcophora" kingdom="Animalia" order="Araneae" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="diluta">
<emphasis id="B971BF728F28FF95FFD3FD3040FD3DF1" box="[125,235,648,671]" italics="true" pageId="124" pageNumber="125">C. diluta</emphasis>
</taxonomicName>
female: fig. 151). Sexual dimorphism slight (
<taxonomicName id="4C0518E38F28FF95FE8CFD1E416C3DD3" authorityName="HUBER" authorityYear="2000" baseAuthorityName="Gertsch" baseAuthorityYear="1982" box="[290,378,678,701]" class="Arachnida" family="Pholcidae" genus="Chisosa" kingdom="Animalia" order="Araneae" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="baja">
<emphasis id="B971BF728F28FF95FE8CFD1E416C3DD3" box="[290,378,678,701]" italics="true" pageId="124" pageNumber="125">C. baja</emphasis>
</taxonomicName>
female unknown).
</paragraph>
<paragraph id="8BBA63608F28FF95FF34FD7B42303C7A" blockId="124.[125,654,208,1111]" pageId="124" pageNumber="125">MONOPHYLY: The two species included share the complex, large procursus and the distally widened male palpal femur.</paragraph>
<paragraph id="8BBA63608F28FF95FF34FCA341DB3C91" blockId="124.[125,654,208,1111]" pageId="124" pageNumber="125">
GENERIC RELATIONSHIPS: The genus may be close to several other genera of short-legged pholcids with globular opisthosoma, especially with
<taxonomicName id="4C0518E38F28FF95FEB2FCCB41653CE4" authorityName="HUBER" authorityYear="2000" box="[284,371,883,906]" class="Arachnida" family="Pholcidae" genus="Tolteca" kingdom="Animalia" order="Araneae" pageId="124" pageNumber="125" phylum="Arthropoda" rank="genus">
<emphasis id="B971BF728F28FF95FEB2FCCB41653CE4" box="[284,371,883,906]" italics="true" pageId="124" pageNumber="125">Tolteca</emphasis>
</taxonomicName>
which is similar in habitus and geographically close, and with
<taxonomicName id="4C0518E38F28FF95FDCDFC2840AF3CAB" authorityName="HUBER" authorityYear="2000" class="Arachnida" family="Pholcidae" genus="Aucana" kingdom="Animalia" order="Araneae" pageId="124" pageNumber="125" phylum="Arthropoda" rank="genus">
<emphasis id="B971BF728F28FF95FDCDFC2840AF3CAB" italics="true" pageId="124" pageNumber="125">Aucana</emphasis>
</taxonomicName>
(a mainly Chilean genus!), which shares the exposed tarsal organ and the absence of epiandrous spigots.
</paragraph>
</subSubSection>
<subSubSection id="C31F30EB8F28FF95FF34FBBD429E3BFA" pageId="124" pageNumber="125" type="distribution">
<paragraph id="8BBA63608F28FF95FF34FBBD41AA3B39" blockId="124.[125,654,208,1111]" pageId="124" pageNumber="125">
DISTRIBUTION/COMPOSITION: Only two species described, from
<collectingRegion id="49C1AD828F28FF95FED6FB9B41AD3B54" box="[376,443,1059,1082]" country="United States of America" name="Texas" pageId="124" pageNumber="125">Texas</collectingRegion>
(
<collectingCountry id="F31223F08F28FF95FE63FB9B421A3B54" box="[461,524,1059,1082]" name="United States of America" pageId="124" pageNumber="125">USA</collectingCountry>
), and
<collectingRegion id="49C1AD828F28FF95FDF6FB9B40E53B39" country="Mexico" name="Baja California" pageId="124" pageNumber="125">Baja California</collectingRegion>
Norte (
<collectingCountry id="F31223F08F28FF95FEFEFBF841B93B39" box="[336,431,1088,1111]" name="Mexico" pageId="124" pageNumber="125">Mexico</collectingCountry>
).
</paragraph>
<paragraph id="8BBA63608F28FF95FF2FFBC6429E3BFA" blockId="124.[129,648,1149,1230]" box="[129,648,1149,1173]" pageId="124" pageNumber="125">
<taxonomicName id="4C0518E38F28FF95FF2FFBC642923BFA" authority="(Gertsch and Mulaik, 1941)" authorityName="HUBER" authorityYear="2000" baseAuthorityName="Gertsch and Mulaik" baseAuthorityYear="2000" box="[129,644,1149,1173]" class="Arachnida" family="Pholcidae" genus="Chisosa" kingdom="Animalia" order="Araneae" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="diluta" status="comb. nov.">
<emphasis id="B971BF728F28FF95FF2FFBC6413B3BFB" box="[129,301,1150,1173]" italics="true" pageId="124" pageNumber="125">Chisosa diluta</emphasis>
(Gertsch and Mulaik, 1941)
</taxonomicName>
,
</paragraph>
</subSubSection>
</treatment>
</document>