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<document id="EE94D4778290C4A5D1D8ECA16FF79A8A" ID-DOI="10.5281/zenodo.188626" ID-GBIF-Dataset="1f393cf3-d1a3-4063-9d0c-87c163a90389" ID-ISSN="1175-5326" ID-Zenodo-Dep="188626" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461095581600" checkinUser="plazi" docAuthor="Slowik, Jozef" docDate="2009" docId="5F3F87D3FFD8FFA7FF04FB5147F3196D" docLanguage="en" docName="zt02144p053.pdf" docOrigin="Zootaxa 2144" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Psilochorus hesperus Gertsch &amp; Ivie 1936" docType="treatment" docVersion="10" lastPageNumber="21" masterDocId="A306FFABFFCAFFB3FF93FFE1430B1F1E" masterDocTitle="A review of the cellar spider genus Psilochorus Simon 1893 in America north of Mexico (Araneae: Pholcidae)" masterLastPageNumber="53" masterPageNumber="1" pageNumber="19" updateTime="1698589128812" updateUser="plazi">
<mods:mods id="DA5943755AA29DEE458191010E1081B7" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="94C0A2D8619D8B7500124BCE6B16CA19">
<mods:title id="858BE167DFCE1C6D86130344BC741C44">A review of the cellar spider genus Psilochorus Simon 1893 in America north of Mexico (Araneae: Pholcidae)</mods:title>
</mods:titleInfo>
<mods:name id="60360E65630D55906CCF004BBA8BE4AD" type="personal">
<mods:role id="D12F17A93A37C08CE6E6FEFF7D21AD55">
<mods:roleTerm id="5580343824D775CE2D7C0487AF94765B">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="5936508C02935FB2FF273F80E605096A">Slowik, Jozef</mods:namePart>
</mods:name>
<mods:typeOfResource id="1C4893E183082234C4E9DE7625C6F470">text</mods:typeOfResource>
<mods:relatedItem id="68D5E02D741386A6ECA4F639E4AA5022" type="host">
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<mods:title id="457E150A283E1951CD73F59C0DBADAB2">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="FA52A9C0AE0725BEB177F87241F5F2D9">
<mods:date id="7858D7FCB85CAA812B4C7D8E1759DE8B">2009</mods:date>
<mods:detail id="E009BA3CD331E7921237204E76512AAC" type="volume">
<mods:number id="9B267C93D17994BE2D945A8BDB525D59">2144</mods:number>
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<mods:classification id="38424B6FF7A228D35494C9A09793941C">journal article</mods:classification>
<mods:identifier id="DE09EBB38D098CBCCD3CA6F57FEC49FF" type="DOI">10.5281/zenodo.188626</mods:identifier>
<mods:identifier id="C1937F267D9F4F9BE0BCE49B7AD8A9C3" type="GBIF-Dataset">1f393cf3-d1a3-4063-9d0c-87c163a90389</mods:identifier>
<mods:identifier id="C2DB66924AD0AB308CF47C16725A6E43" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="5ADA2ADE188352018335771AF99B0286" type="Zenodo-Dep">188626</mods:identifier>
</mods:mods>
<treatment id="5F3F87D3FFD8FFA7FF04FB5147F3196D" ID-DOI="http://doi.org/10.5281/zenodo.6224842" ID-GBIF-Taxon="119620341" ID-Zenodo-Dep="6224842" LSID="urn:lsid:plazi:treatment:5F3F87D3FFD8FFA7FF04FB5147F3196D" httpUri="http://treatment.plazi.org/id/5F3F87D3FFD8FFA7FF04FB5147F3196D" lastPageId="20" lastPageNumber="21" pageId="18" pageNumber="19">
<subSubSection id="9F8C654EFFD8FFA1FF04FB5142571BF3" pageId="18" pageNumber="19" type="nomenclature">
<paragraph id="D72936C5FFD8FFA1FF04FB5141A81BD4" blockId="18.[151,675,1200,1261]" box="[151,675,1200,1226]" pageId="18" pageNumber="19">
<heading id="8C6181A9FFD8FFA1FF04FB5141A81BD4" bold="true" box="[151,675,1200,1226]" fontSize="11" level="1" pageId="18" pageNumber="19" reason="1">
<taxonomicName id="10964D46FFD8FFA1FF04FB5141A81BD4" ID-CoL="4PGVQ" authority="Gertsch &amp; Ivie, 1936" authorityName="Gertsch &amp; Ivie" authorityYear="1936" box="[151,675,1200,1226]" class="Arachnida" family="Pholcidae" genus="Psilochorus" kingdom="Animalia" order="Araneae" pageId="18" pageNumber="19" phylum="Arthropoda" rank="species" species="hesperus">
<emphasis id="E5E2EAD7FFD8FFA1FF04FB5141A81BD4" bold="true" box="[151,675,1200,1226]" pageId="18" pageNumber="19">
<emphasis id="E5E2EAD7FFD8FFA1FF04FB5142931BD4" bold="true" box="[151,408,1200,1226]" italics="true" pageId="18" pageNumber="19">Psilochorus hesperus</emphasis>
<bibRefCitation id="B3074B34FFD8FFA1FE33FB5141A81BD4" author="Gertsch" box="[416,675,1200,1226]" pageId="18" pageNumber="53" refString="Gertsch, W. J. &amp; Ivie, W. (1936) Descriptions of new American spiders. American Museum Novitates, 858, 1 - 25." type="journal article" year="1936">Gertsch &amp; Ivie, 1936</bibRefCitation>
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="D72936C5FFD8FFA1FF04FB3242571BF3" blockId="18.[151,675,1200,1261]" box="[151,348,1235,1261]" pageId="18" pageNumber="19">Figs. 67–76, 191</paragraph>
</subSubSection>
<subSubSection id="9F8C654EFFD8FFA1FF04FAC147F21846" pageId="18" pageNumber="19" type="description">
<paragraph id="D72936C5FFD8FFA1FF04FAC141231A96" blockId="18.[151,1437,1312,2034]" pageId="18" pageNumber="19">
<emphasis id="E5E2EAD7FFD8FFA1FF04FAC143E31A24" bold="true" box="[151,232,1312,1338]" pageId="18" pageNumber="19">
<typeStatus id="082D8867FFD8FFA1FF04FAC143EB1A24" box="[151,224,1312,1338]" pageId="18" pageNumber="19">Types</typeStatus>
.
</emphasis>
Ψ
<typeStatus id="082D8867FFD8FFA1FE9CFAC142761A24" box="[271,381,1312,1338]" pageId="18" pageNumber="19" type="holotype">holotype</typeStatus>
, two Ψ
<typeStatus id="082D8867FFD8FFA1FE4EFAC141591A24" box="[477,594,1312,1338]" pageId="18" pageNumber="19" type="paratype">paratypes</typeStatus>
from Pullman (
<geoCoordinate id="B2A25002FFD8FFA1FC87FAC140771A24" box="[788,892,1312,1338]" direction="north" orientation="latitude" pageId="18" pageNumber="19" precision="555" value="46.73">46.73 N</geoCoordinate>
,
<geoCoordinate id="B2A25002FFD8FFA1FC19FAC1471F1A24" box="[906,1044,1312,1338]" direction="west" orientation="longitude" pageId="18" pageNumber="19" precision="55" value="-117.179">117.179 W</geoCoordinate>
), Whitman County, Washington
<collectingCountry id="AF817655FFD8FFA1FF04FAA643DE1A7F" box="[151,213,1351,1377]" name="United States of America" pageId="18" pageNumber="19">USA</collectingCountry>
; ɗ allotype, Ψ
<typeStatus id="082D8867FFD8FFA1FE10FAA642E31A7F" box="[387,488,1351,1377]" pageId="18" pageNumber="19" type="paratype">paratype</typeStatus>
from Notus (
<geoCoordinate id="B2A25002FFD8FFA1FD10FAA641ED1A7F" box="[643,742,1351,1377]" direction="north" orientation="latitude" pageId="18" pageNumber="19" precision="555" value="43.72">43.72 N</geoCoordinate>
,
<geoCoordinate id="B2A25002FFD8FFA1FD61FAA6406C1A7F" box="[754,871,1351,1377]" direction="west" orientation="longitude" pageId="18" pageNumber="19" precision="555" value="-116.8">116.80 W</geoCoordinate>
), Canyon County, Idaho,
<collectingCountry id="AF817655FFD8FFA1FB00FAA647DA1A7F" box="[1171,1233,1351,1377]" name="United States of America" pageId="18" pageNumber="19">USA</collectingCountry>
; coll: W Ivie,
<date id="A3281005FFD8FFA1FAE5FAA642031A96" pageId="18" pageNumber="19" value="1931-06-11">11- Jun-1931</date>
. AMNH. Not examined.
</paragraph>
<paragraph id="D72936C5FFD8FFA1FF55FA75417C1814" blockId="18.[151,1437,1312,2034]" pageId="18" pageNumber="19">
<emphasis id="E5E2EAD7FFD8FFA1FF55FA7542DC1AB0" bold="true" box="[198,471,1428,1454]" pageId="18" pageNumber="19">Specimens examined.</emphasis>
11 ɗ, 29 Ψ;
<collectingCountry id="AF817655FFD8FFA1FD14FA7541CE1AB0" box="[647,709,1428,1454]" name="United States of America" pageId="18" pageNumber="19">USA</collectingCountry>
,
<emphasis id="E5E2EAD7FFD8FFA1FD45FA75405C1AB3" box="[726,855,1428,1453]" italics="true" pageId="18" pageNumber="19">California,</emphasis>
<taxonomicName id="10964D46FFD8FFA1FCF6FA7540901AB0" box="[869,923,1428,1454]" class="Arachnida" family="Pholcidae" genus="Psilochorus" kingdom="Animalia" order="Araneae" pageId="18" pageNumber="29" phylum="Arthropoda" rank="species" species="inyo" status="sp. nov.">Inyo</taxonomicName>
County, 1 Ψ, nr Cartago,
<date id="A3281005FFD8FFA1FB64FA75469C1AB0" box="[1271,1431,1428,1454]" pageId="18" pageNumber="19" value="1931-08-06">06-Aug-1931</date>
, AMNH; 1 ɗ, nr Big Pine, W Ivie,
<date id="A3281005FFD8FFA1FDA8FA5A41D41ACB" box="[571,735,1467,1493]" pageId="18" pageNumber="19" value="1931-08-09">09-Aug-1931</date>
, AMNH; 1 Ψ,
<taxonomicName id="10964D46FFD8FFA1FC00FA5A40C11ACB" box="[915,970,1467,1493]" class="Arachnida" family="Pholcidae" genus="Psilochorus" kingdom="Animalia" order="Araneae" pageId="18" pageNumber="29" phylum="Arthropoda" rank="species" species="inyo" status="sp. nov.">Inyo</taxonomicName>
County,
<date id="A3281005FFD8FFA1FBABFA5A47D71ACB" box="[1080,1244,1467,1493]" pageId="18" pageNumber="19" value="1931-08-06">06-Aug-1931</date>
, AMNH; Mono County, 1 ɗ, 3 Ψ, Benton,
<date id="A3281005FFD8FFA1FE45FA0341711AE2" box="[470,634,1506,1532]" pageId="18" pageNumber="19" value="1942-08-04">04-Aug-1942</date>
, AMNH; 1 ɗ, 3 Ψ, Mono County,
<date id="A3281005FFD8FFA1FB89FA0347B61AE2" box="[1050,1213,1506,1532]" pageId="18" pageNumber="19" value="1942-08-04">04-Aug-1942</date>
, AMNH; Siskiyou County, 1 Ψ, Mt Shasta City, W Ivie,
<date id="A3281005FFD8FFA1FDDCF9E941FB193C" box="[591,752,1544,1570]" pageId="18" pageNumber="19" value="1931-08-25">25-Aug-1931</date>
, AMNH;
<emphasis id="E5E2EAD7FFD8FFA1FCF6F9E840BA193C" box="[869,945,1545,1570]" italics="true" pageId="18" pageNumber="19">Idaho,</emphasis>
Elmore County, 1 ɗ, 1 Ψ, Bosie River, nr entrance of North Fork, W Ivie,
<date id="A3281005FFD8FFA1FD8DF9CE41BC1957" box="[542,695,1583,1609]" pageId="18" pageNumber="19" value="1931-06-12">12-Jun-1931</date>
, AMNH; Payette County, 2 Ψ, NE Fruitland, W I 116.44,
<date id="A3281005FFD8FFA1FAE7F9CE4202196E" pageId="18" pageNumber="19" value="1941-09-07">07- Sep-1941</date>
, AMNH;
<emphasis id="E5E2EAD7FFD8FFA1FE13F9B7411A1971" box="[384,529,1622,1647]" italics="true" pageId="18" pageNumber="19">Washington,</emphasis>
Adams County, 4 ɗ, 5 Ψ, Herman Lake,
<quantity id="106E9B20FFD8FFA1FC6FF9B74721196E" box="[1020,1066,1622,1648]" metricMagnitude="3" metricUnit="m" metricValue="8.04672" pageId="18" pageNumber="19" unit="mi" value="5.0">5mi</quantity>
NW Othello, Vogel B,
<date id="A3281005FFD8FFA1FAD3F9B743DE1988" pageId="18" pageNumber="19" value="1972-05-27">27 May 1972</date>
, DMNS ZA.9087; 1 ɗ, 4 Ψ,
<collectingCountry id="AF817655FFD8FFA1FDBDF99D41A81988" box="[558,675,1660,1686]" name="United States of America" pageId="18" pageNumber="19">Columbia</collectingCountry>
National Wildlife Refuge, Vogel B &amp; W,
<date id="A3281005FFD8FFA1FB0BF99D46311988" box="[1176,1338,1660,1686]" pageId="18" pageNumber="19" value="1972-05-21">21 May 1972</date>
, DMNS ZA.9088; 2 ɗ, 1 Ψ, Crab Creek,
<quantity id="106E9B20FFD8FFA1FD8EF942415819A3" box="[541,595,1699,1725]" metricMagnitude="4" metricUnit="m" metricValue="1.2874752" pageId="18" pageNumber="19" unit="mi" value="8.0">8 mi</quantity>
NW Othello, Vogel B,
<date id="A3281005FFD8FFA1FCFFF942470219A3" box="[876,1033,1699,1725]" pageId="18" pageNumber="19" value="1978-03-12">12 Mar 1978</date>
, DMNS ZA.8072; 1 Ψ,
<collectingCountry id="AF817655FFD8FFA1FABBF942469719A3" box="[1320,1436,1699,1725]" name="United States of America" pageId="18" pageNumber="19">Columbia</collectingCountry>
National Wildlife Refuge, Vogel B,
<date id="A3281005FFD8FFA1FDDFF92B41FA19FA" box="[588,753,1738,1764]" pageId="18" pageNumber="19" value="1977-05-21">21 May 1977</date>
, DMNS ZA.8074; Grant County, 4 Ψ,
<quantity id="106E9B20FFD8FFA1FB5AF92B47FC19FA" box="[1225,1271,1738,1764]" metricMagnitude="3" metricUnit="m" metricValue="8.04672" pageId="18" pageNumber="19" unit="mi" value="5.0">5mi</quantity>
NW Othello, Vogel B,
<date id="A3281005FFD8FFA1FE97F91142951814" box="[260,414,1776,1802]" pageId="18" pageNumber="19" value="1977-03-20">20 Mar 1977</date>
, DMNS ZA.8073.
</paragraph>
<paragraph id="D72936C5FFD8FFA1FF56F8F647F21846" blockId="18.[151,1437,1312,2034]" pageId="18" pageNumber="19">Additionally 40 ɗ and 113 Ψ were examined from throughout Washington by Rod Crawford and are deposited at the Burke Museum at the University of Washington campus in Seattle Washington.</paragraph>
</subSubSection>
<subSubSection id="9F8C654EFFD8FFA0FF56F885471719FA" lastPageId="19" lastPageNumber="20" pageId="18" pageNumber="19" type="diagnosis">
<paragraph id="D72936C5FFD8FFA1FF56F885401E18EC" blockId="18.[151,1437,1312,2034]" pageId="18" pageNumber="19">
<emphasis id="E5E2EAD7FFD8FFA1FF56F885424C1860" bold="true" box="[197,327,1892,1918]" pageId="18" pageNumber="19">Diagnosis.</emphasis>
Specimens may be distinguished by: male spur sharply pointed, tip turn sharply inward and ventrally (Figs. 67, 68), procursus with dorsal step (Fig. 71), epigynum with four ridges on the MEP, in a single line with the interior two being twice the size of the outer (Fig. 74). The outer two may lay flat, directed towards the posterior when viewed ventrally (Fig. 73).
</paragraph>
<paragraph id="D72936C5FFD9FFA0FF04F969471719FA" blockId="19.[151,1436,1672,1764]" pageId="19" pageNumber="20">
<emphasis id="E5E2EAD7FFD9FFA0FF04F969420C19BE" bold="true" box="[151,263,1672,1696]" pageId="19" pageNumber="20">PLATE 9.</emphasis>
Figures 67–76.
<taxonomicName id="10964D46FFD9FFA0FE20F969405F1981" authority="Gertsch and Ivie." authorityName="Gertsch and Ivie." box="[435,852,1672,1695]" class="Arachnida" family="Pholcidae" genus="Psilochorus" kingdom="Animalia" order="Araneae" pageId="19" pageNumber="20" phylum="Arthropoda" rank="species" species="hesperus">
<emphasis id="E5E2EAD7FFD9FFA0FE20F96941931981" box="[435,664,1672,1695]" italics="true" pageId="19" pageNumber="20">Psilochorus hesperus</emphasis>
Gertsch and Ivie.
</taxonomicName>
67–
<specimenCount id="C190FD4CFFD9FFA0FC11F96940901981" box="[898,923,1672,1695]" pageId="19" pageNumber="20" type="male">71</specimenCount>
Male. 67. Dorsal view of chelicerae. 68. Lateral view of chelicera. 69–70. Dorsal view of bulb apophysis. 71. Lateral view of procursus. 72–76. Epigynum. 72. Anterior view. 73. Ventral view. 74. Posterior view. 75. Cleared dorsal view. 76. Lateral view.
</paragraph>
</subSubSection>
<subSubSection id="9F8C654EFFD9FFA7FF56F8F2402D1EDE" lastPageId="20" lastPageNumber="21" pageId="19" pageNumber="20" type="description">
<paragraph id="D72936C5FFD9FFA7FF56F8F240691FC6" blockId="19.[151,1437,1810,2030]" lastBlockId="20.[151,1437,152,758]" lastPageId="20" lastPageNumber="21" pageId="19" pageNumber="20">
<emphasis id="E5E2EAD7FFD9FFA0FF56F8F242071832" box="[197,268,1811,1836]" italics="true" pageId="19" pageNumber="20">Male:</emphasis>
(N=3) Total length: 2.45 ± 0.63; carapace length: 1.08 ± 0.18; carapace width: 1.03 ± 0.10; leg 1: 20.07 ± 0.91 (5.54 ± 0.18 + 0.39 ± 0.01 + 5.88 ± 0.29 + 7.16 ± 0.48 + 1.11 ± 0.11); tibia 2: 4.12± 0.19; tibia 3: 3.36 ± 0.32; tibia 4: 3.99 ± 0.35. 18 leg I tarsal segments; femur1/carapace length: 5.24 ± 0.82; RT at 12.8–14.3%; DT at 7.5–10.0%. Color typical for the genus. Spur large, originating from the proximal portion of the chelicerae (Fig. 68). Spur curved mesally in dorsal view to sharp point (Fig. 67). Procursus long, distal area occasionally split, with a dorsal tab, end squared, ventral end longer (Fig. 71). The bulb apophysis extends across the bulb end, tapering to a ventrally directed curve just before a pointed tip. Retrolateral tab large, extending to curve in bulb apophysis tip (Figs. 69, 70).
</paragraph>
<paragraph id="D72936C5FFDEFFA7FF56FF04402D1EDE" blockId="20.[151,1437,152,758]" pageId="20" pageNumber="21">
<emphasis id="E5E2EAD7FFDEFFA7FF56FF04422C1FE0" box="[197,295,229,254]" italics="true" pageId="20" pageNumber="21">Female:</emphasis>
(N=5) Total length: 3.29 ± 0.61; carapace length: 1.22 ± 0.08; carapace width: 1.22± 0.13; leg 1: 17.3 ± 1.92 (4.62 ± 0.56 + 0.38 ± 0.04 + 4.82 ± 0.47 + 5.73 ± 0.49 + 1.17± 0.10); tibia 2: 3.43 ± 0.21; tibia 3: 2.71± 0.26; tibia 4: 3.44 ± 0.28. 18–20 leg I tarsal segments; femur1/carapace length: 3.81 ± 0.57; RT at 12.0–17.5%; DT at 7.3–10.4%. Color typical for genus. No AEP. MEP with two large cylindrical ridges mesally and two smaller ridges on each lateral side (Fig. 74). Lateral ridges may not be visible in posterior view. PEP rounded with small PEP projection (Fig. 74).
</paragraph>
</subSubSection>
<subSubSection id="9F8C654EFFDEFFA7FF56FE2C41F61DD1" pageId="20" pageNumber="21" type="discussion">
<paragraph id="D72936C5FFDEFFA7FF56FE2C41F61DD1" blockId="20.[151,1437,152,758]" pageId="20" pageNumber="21">
<emphasis id="E5E2EAD7FFDEFFA7FF56FE2C42351EF9" bold="true" box="[197,318,461,487]" pageId="20" pageNumber="21">Remarks.</emphasis>
Males of this species are very similar to
<taxonomicName id="10964D46FFDEFFA7FCB0FE2C40A41EF8" box="[803,943,461,486]" class="Arachnida" family="Pholcidae" genus="Psilochorus" kingdom="Animalia" order="Araneae" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="utahensis">
<emphasis id="E5E2EAD7FFDEFFA7FCB0FE2C40A41EF8" box="[803,943,461,486]" italics="true" pageId="20" pageNumber="21">P. utahensis</emphasis>
</taxonomicName>
, so much so that in areas of convergence, i.e. central California, females should be used as well for positive identification. The male spur of
<emphasis id="E5E2EAD7FFDEFFA7FA84FE1546921D13" box="[1303,1433,500,525]" italics="true" pageId="20" pageNumber="21">P. h e s p e r u s</emphasis>
appears to be longer and have a longer pointed region then
<emphasis id="E5E2EAD7FFDEFFA7FCC1FDFB40EE1D2D" box="[850,997,538,563]" italics="true" pageId="20" pageNumber="21">
<taxonomicName id="10964D46FFDEFFA7FCC1FDFB40E91D2D" box="[850,994,538,563]" class="Arachnida" family="Pholcidae" genus="Psilochorus" kingdom="Animalia" order="Araneae" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="utahensis">P. utahensis</taxonomicName>
.
</emphasis>
The bulb apophysis of
<taxonomicName id="10964D46FFDEFFA7FB68FDFB468B1D2D" box="[1275,1408,538,563]" class="Arachnida" family="Pholcidae" genus="Psilochorus" kingdom="Animalia" order="Araneae" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="hesperus">
<emphasis id="E5E2EAD7FFDEFFA7FB68FDFB468B1D2D" box="[1275,1408,538,563]" italics="true" pageId="20" pageNumber="21">P. hesperus</emphasis>
</taxonomicName>
is generally thinner than
<emphasis id="E5E2EAD7FFDEFFA7FE32FDA0413F1D44" box="[417,564,577,602]" italics="true" pageId="20" pageNumber="21">
<taxonomicName id="10964D46FFDEFFA7FE32FDA0413A1D44" box="[417,561,577,602]" class="Arachnida" family="Pholcidae" genus="Psilochorus" kingdom="Animalia" order="Araneae" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="utahensis">P. utahensis</taxonomicName>
,
</emphasis>
the procursi are similar. Females of the two species differ in the presence of MEP ridges in
<taxonomicName id="10964D46FFDEFFA7FEF6FD8942E11D9F" box="[357,490,616,641]" class="Arachnida" family="Pholcidae" genus="Psilochorus" kingdom="Animalia" order="Araneae" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="hesperus">
<emphasis id="E5E2EAD7FFDEFFA7FEF6FD8942E11D9F" box="[357,490,616,641]" italics="true" pageId="20" pageNumber="21">P. hesperus</emphasis>
</taxonomicName>
. Specimens of
<taxonomicName id="10964D46FFDEFFA7FD0EFD8940291D9F" box="[669,802,616,641]" class="Arachnida" family="Pholcidae" genus="Psilochorus" kingdom="Animalia" order="Araneae" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="hesperus">
<emphasis id="E5E2EAD7FFDEFFA7FD0EFD8940291D9F" box="[669,802,616,641]" italics="true" pageId="20" pageNumber="21">P. hesperus</emphasis>
</taxonomicName>
also appear to be more moisture tolerant than those of
<emphasis id="E5E2EAD7FFDEFFA7FF04FD6E42141DB6" box="[151,287,655,680]" italics="true" pageId="20" pageNumber="21">P. u t a h e n s i s</emphasis>
. Although
<taxonomicName id="10964D46FFDEFFA7FE35FD6E41211DB6" box="[422,554,655,680]" class="Arachnida" family="Pholcidae" genus="Psilochorus" kingdom="Animalia" order="Araneae" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="cornutus">
<emphasis id="E5E2EAD7FFDEFFA7FE35FD6E41211DB6" box="[422,554,655,680]" italics="true" pageId="20" pageNumber="21">P. cornutus</emphasis>
</taxonomicName>
was described by Keyserling as being from &quot;Washington&quot;, it is assumed he was referring to Washington, D.C. (
<bibRefCitation id="B3074B34FFDEFFA7FDABFD5441FA1DD1" author="Crawford" box="[568,753,693,719]" pageId="20" pageNumber="53" refString="Crawford, R. (1988) An annotated checklist of the spiders of Washington. Burke Museum Contributions in Anthropology and Natural History, 5, 1 - 49." type="journal article" year="1988">Crawford 1988</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="9F8C654EFFDEFFA7FF56FD3A47F3196D" pageId="20" pageNumber="21" type="distribution">
<paragraph id="D72936C5FFDEFFA7FF56FD3A402B1DE8" blockId="20.[151,1437,152,758]" box="[197,800,731,758]" pageId="20" pageNumber="21">
<emphasis id="E5E2EAD7FFDEFFA7FF56FD3A42651DEB" bold="true" box="[197,366,731,757]" pageId="20" pageNumber="21">Distribution.-</emphasis>
Pacific Northwest inland into Idaho.
</paragraph>
<paragraph id="D72936C5FFDEFFA7FF04F9D847F3196D" blockId="20.[151,1437,1593,1651]" pageId="20" pageNumber="21">
<emphasis id="E5E2EAD7FFDEFFA7FF04F9D84212194F" bold="true" box="[151,281,1593,1617]" pageId="20" pageNumber="21">PLATE 10.</emphasis>
Figures 77–81.
<taxonomicName id="10964D46FFDEFFA7FE5EF9DB419F194F" box="[461,660,1594,1617]" class="Arachnida" family="Pholcidae" genus="Psilochorus" kingdom="Animalia" order="Araneae" pageId="20" pageNumber="21" phylum="Arthropoda" rank="species" species="hooki" status="sp. nov.">
<emphasis id="E5E2EAD7FFDEFFA7FE5EF9DB419F194F" box="[461,660,1594,1617]" italics="true" pageId="20" pageNumber="21">Psilochorus hooki</emphasis>
</taxonomicName>
<taxonomicNameLabel id="FED157ACFFDEFFA7FD08F9DB4028194F" box="[667,803,1594,1617]" pageId="20" pageNumber="21" rank="species">new species</taxonomicNameLabel>
. 77–81. Male
<typeStatus id="082D8867FFDEFFA7FC53F9DB472B194F" box="[960,1056,1594,1617]" pageId="20" pageNumber="21" type="holotype">holotype</typeStatus>
77. Dorsal view of chelicerae. 78. Lateral view of chelicera. 79. Dorsal view of bulb apophysis. 80. Lateral view of procursus. 81. Sternum.
</paragraph>
</subSubSection>
</treatment>
</document>
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