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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.252.3588" ID-GBIF-Dataset="a4366e50-a271-44c0-bdef-b52c8cad0b85" ID-PMC="PMC3560839" ID-Pensoft-Pub="1313-2970-252-1" ID-PubMed="23378811" ModsDocAuthor="" ModsDocDate="2012" ModsDocID="1313-2970-252-1" ModsDocOrigin="ZooKeys 252" ModsDocTitle="Phylogenetic treatment and taxonomic revision of the trapdoor spider genus Aptostichus Simon (Araneae, Mygalomorphae, Euctenizidae)" checkinTime="1451247847790" checkinUser="pensoft" docAuthor="Bond, Jason E." docDate="2012" docId="099A1773B2E2FC65D04EC6231DAE7BF3" docLanguage="en" docName="ZooKeys 252: 1-209" docOrigin="ZooKeys 252" docSource="http://dx.doi.org/10.3897/zookeys.252.3588" docTitle="Aptostichus lucerne Bond, 2012, sp. n." docType="treatment" docVersion="4" lastPageNumber="143" masterDocId="FFAD871BFFD4FF8CFFED1A5CFFE7FFA0" masterDocTitle="Phylogenetic treatment and taxonomic revision of the trapdoor spider genus Aptostichus Simon (Araneae, Mygalomorphae, Euctenizidae)" masterLastPageNumber="209" masterPageNumber="1" pageNumber="142" updateTime="1668155039594" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Phylogenetic treatment and taxonomic revision of the trapdoor spider genus Aptostichus Simon (Araneae, Mygalomorphae, Euctenizidae)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Bond, Jason E.</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>2012</mods:date>
<mods:detail type="volume">
<mods:number>252</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1</mods:start>
<mods:end>209</mods:end>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.252.3588</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.252.3588</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-252-1</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="152039305" LSID="urn:lsid:zoobank.org:act:3A7C3DDF-6B7D-4EB9-B24B-A85760FB8EEE" httpUri="http://treatment.plazi.org/id/099A1773B2E2FC65D04EC6231DAE7BF3" lastPageId="142" lastPageNumber="143" pageId="141" pageNumber="142">
<subSubSection pageId="141" pageNumber="142" type="nomenclature">
<paragraph pageId="141" pageNumber="142">
<taxonomicName LSID="Deadmans Trapdoor Spider" class="Arachnida" family="Euctenizidae" genus="Aptostichus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aptostichus lucerne" order="Araneae" pageId="141" pageNumber="142" phylum="Arthropoda" rank="species" species="lucerne">Aptostichus lucerne</taxonomicName>
<taxonomicNameLabel pageId="141" pageNumber="142">sp. n.</taxonomicNameLabel>
Figures 304-310Map 33
</paragraph>
</subSubSection>
<subSubSection pageId="141" pageNumber="142" type="types">
<paragraph pageId="141" pageNumber="142">Types.</paragraph>
<paragraph pageId="141" pageNumber="142">
Male holotype (AP434) and paratype (AP433) from California, San Bernardino County,
<normalizedToken originalValue="Deadmans">Deadman's</normalizedToken>
Point, locality presumed to be point E of Apple Valley, jnct.
<normalizedToken originalValue="HWYs">HWY's</normalizedToken>
18 and 247, 34.47221, -117.122 3, 922m, coll. E. Sleeper 25.x.1957; deposited in AMNH.
</paragraph>
</subSubSection>
<subSubSection pageId="141" pageNumber="142" type="etymology">
<paragraph pageId="141" pageNumber="142">Etymology.</paragraph>
<paragraph pageId="141" pageNumber="142">
The specific epithet is a noun in apposition taken from the presumed type locality of
<normalizedToken originalValue="Deadmans">Deadman's</normalizedToken>
Point in the Lucerne Valley.
</paragraph>
</subSubSection>
<subSubSection pageId="141" pageNumber="142" type="diagnosis">
<paragraph pageId="141" pageNumber="142">Diagnosis.</paragraph>
<paragraph pageId="141" pageNumber="142">
Males can be distinguished by having long ventral spines on tibia I like those of
<taxonomicName class="Arachnida" family="Euctenizidae" genus="Aptostichus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aptostichus elisabethae" order="Araneae" pageId="141" pageNumber="142" phylum="Arthropoda" rank="species" species="elisabethae">Aptostichus elisabethae</taxonomicName>
(Figs 304, 305, 308, 309, 310). However, the tibia I prolateral spination is denser (TSp 17-19 vs. 8-16 in
<taxonomicName class="Arachnida" family="Euctenizidae" genus="Aptostichus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aptostichus elisabethae" order="Araneae" pageId="141" pageNumber="142" phylum="Arthropoda" rank="species" species="elisabethae">Aptostichus elisabethae</taxonomicName>
) and the embolus of
<taxonomicName class="Arachnida" family="Euctenizidae" genus="Aptostichus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aptostichus lucerne" order="Araneae" pageId="141" pageNumber="142" phylum="Arthropoda" rank="species" species="lucerne">Aptostichus lucerne</taxonomicName>
is serrated (Fig. 306), whereas that of
<taxonomicName class="Arachnida" family="Euctenizidae" genus="Aptostichus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aptostichus elisabethae" order="Araneae" pageId="141" pageNumber="142" phylum="Arthropoda" rank="species" species="elisabethae">Aptostichus elisabethae</taxonomicName>
is not.
</paragraph>
</subSubSection>
<subSubSection lastPageId="142" lastPageNumber="143" pageId="141" pageNumber="142" type="description">
<paragraph pageId="141" pageNumber="142">Description of male holotype.</paragraph>
<paragraph lastPageId="142" lastPageNumber="143" pageId="141" pageNumber="142">
Specimen preparation and condition. Specimen collected from pitfall trap, preserved in 70% EtOH. Coloration faded. Pedipalp, leg I left side, other legs, removed, stored in vial with specimen. General coloration. Carapace, chelicerae, legs yellowish red 5YR 4/6. Abdomen uniform light brown 7.5YR 6/4 dorsally, light dorsal chevron markings. Cephalothorax. Carapace 5.15 long, 4.40 wide, glabrous, stout black
<pageBreakToken pageId="142" pageNumber="143" start="start">bristles</pageBreakToken>
along fringe; surface smooth, pars cephalica elevated. Fringe, posterior margin with black bristles. Foveal groove deep, strongly recurved. Eyes on low mound. AER slightly procurved, PER slightly recurved.
<normalizedToken originalValue="PMEs">PME's</normalizedToken>
smaller in diameter than AME. Sternum moderately setose, STRl 2.95, STRw 2.45. Posterior sternal sigilla medium in size, elongate, positioned posteriorly, not contiguous, anterior sigilla pairs small, elongate, marginal. Chelicerae with distinct anterior tooth row comprising 4 teeth, posterior margin with single row of small denticles. Palpal endites, labium lacks cuspules, LBw 0.77, LBl 0.43. Rastellum consists of 14 stout spines arranged across anterior margin of chelicerae. Abdomen. Setose, heavy black setae intermingled with fine black setae. Legs. Leg I: 5.44, 4.48, 3.68, 2.26, 1.55; leg IV: 4.55, 3.00. Light tarsal scopulae on legs I, II; light scopulate on metatarsus I. Tarsus I with single, slightly staggered row of 15 trichobothria. Leg I spination pattern illustrated in Figures 304, 305, 308, 309, 310; TSp 19, TSr 15, TSrd 0. Pedipalp. Articles stout, tibia short, width more than half length, with a distinct patch of medial/distal retrolateral spines (Fig. 307); PTw 1.04, PTl 1.84, Bl 0.82. Embolus stout dorsal - ventrally flattened with slight curvature at midpoint, and serrated distally (Fig. 306).
</paragraph>
<paragraph pageId="142" pageNumber="143">Variation (2). Cl 4.8-5.15, Cw 3.96-4.40, STRl 2.50-2.95, STRw 2.18-2.45, LBw 0.71-0.77, LBl 0.43-0.46, leg I: 4.65-5.44, 3.80-4.48, 3.01-3.68, 2.25-2.26, 1.40-1.55, leg IV: 4.52-5.20, 2.9-3.04, PTl 1.62-1.84, PTw 0.90-1.04, Bl 0.71-0.82, TSp 18-19, TSr 15-15, TSrd 0-0.</paragraph>
<caption pageId="142" pageNumber="143">
<paragraph pageId="142" pageNumber="143">
Figures 304-310.
<taxonomicName class="Arachnida" family="Euctenizidae" genus="Aptostichus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aptostichus lucerne" order="Araneae" pageId="142" pageNumber="143" phylum="Arthropoda" rank="species" species="lucerne">Aptostichus lucerne</taxonomicName>
sp. n. from San Bernardino County. 304-307 male holotype (AP434); scale bars = 1.0mm and 0.5mm (306) 304 retrolateral aspect, of right leg, leg I [806479] 305 prolateral aspect, of right leg, leg I [806483] 306 oblique, ventral/retrolateral aspect of palpal bulb [806485] 307 retrolateral aspect, pedipalp [806487] 308, 309 male paratype 308 retrolateral aspect, leg I [806489] 309 prolateral aspect, leg I [806493] 310 line drawings of leg I spination pattern; retrolateral aspect tibia and metatarsus; prolateral aspect of tibia.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="142" pageNumber="143" type="description">
<paragraph pageId="142" pageNumber="143">Description of female.</paragraph>
<paragraph pageId="142" pageNumber="143">Known only from male specimens.</paragraph>
</subSubSection>
<subSubSection pageId="142" pageNumber="143" type="material examined">
<paragraph pageId="142" pageNumber="143">Material examined.</paragraph>
<paragraph pageId="142" pageNumber="143">Known only from the type material.</paragraph>
</subSubSection>
<subSubSection pageId="142" pageNumber="143" type="distribution">
<paragraph pageId="142" pageNumber="143">Distribution and natural history.</paragraph>
<paragraph pageId="142" pageNumber="143">
<taxonomicName class="Arachnida" family="Euctenizidae" genus="Aptostichus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aptostichus lucerne" order="Araneae" pageId="142" pageNumber="143" phylum="Arthropoda" rank="species" species="lucerne">Aptostichus lucerne</taxonomicName>
is known from only the two male type specimens collected from the type locality in San Bernardino, characterized as Mojave Desert habitat.
</paragraph>
</subSubSection>
<subSubSection pageId="142" pageNumber="143" type="conservation status">
<paragraph pageId="142" pageNumber="143">Conservation status.</paragraph>
<paragraph pageId="142" pageNumber="143">
The conservation status of
<taxonomicName class="Arachnida" family="Euctenizidae" genus="Aptostichus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aptostichus lucerne" order="Araneae" pageId="142" pageNumber="143" phylum="Arthropoda" rank="species" species="lucerne">Aptostichus lucerne</taxonomicName>
is likely to be critically imperiled or presumed extinct. The species has not been seen since the type specimens were collected in 1957. Efforts to collect
<taxonomicName class="Arachnida" family="Euctenizidae" genus="Aptostichus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aptostichus lucerne" order="Araneae" pageId="142" pageNumber="143" phylum="Arthropoda" rank="species" species="lucerne">Aptostichus lucerne</taxonomicName>
over the past decade, from the putative type locality, have proved unsuccessful; the area has been highly impacted by development.
</paragraph>
</subSubSection>
<subSubSection pageId="142" pageNumber="143" type="species concept applied">
<paragraph pageId="142" pageNumber="143">Species concept applied.</paragraph>
<paragraph pageId="142" pageNumber="143">Morphological.</paragraph>
</subSubSection>
<subSubSection pageId="142" pageNumber="143" type="remarks">
<paragraph pageId="142" pageNumber="143">Remarks.</paragraph>
<paragraph pageId="142" pageNumber="143">The locality label of the type specimens is somewhat dubious, labeled only as &quot;Deadman Point, San Bernardino&quot;, and thus requires collecting of more specimens to confirm that the Apple Valley junction determination as the type locality is correct.</paragraph>
</subSubSection>
</treatment>
</document>