204 lines
18 KiB
XML
204 lines
18 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.785.28580" ID-GBIF-Dataset="066382b7-d3d2-49f6-8fc2-557e78e81c47" ID-PMC="PMC6160805" ID-Pensoft-Pub="1313-2970-785-11" ID-PubMed="30271241" ID-ZBK="CD9CA8866212420BA19B795F65AFB000" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1313-2970-785-11" ModsDocOrigin="ZooKeys 785" ModsDocTitle="Two new species of Lithobius on Qinghai-Tibetan plateau identified from morphology and COI sequences (Lithobiomorpha: Lithobiidae)" checkinTime="1536860566046" checkinUser="pensoft" docAuthor="Qiao, Penghai, Qin, Wen, Ma, Huiqin, Zhang, Tongzuo, Su, Jianping & Lin, Gonghua" docDate="2018" docId="B1003767A5222AE270B2CE00C16BE260" docLanguage="en" docName="ZooKeys 785: 11-28" docOrigin="ZooKeys 785" docSource="http://dx.doi.org/10.3897/zookeys.785.28580" docTitle="Lithobius (Ezembius) longibasitarsus Qiao, Qin, Ma, Zhang, Su & Lin, 2018, sp. n." docType="treatment" docVersion="4" lastPageNumber="12" masterDocId="FFC2FFA6FFA96478023CFFE6322F8F75" masterDocTitle="Two new species of Lithobius on Qinghai-Tibetan plateau identified from morphology and COI sequences (Lithobiomorpha: Lithobiidae)" masterLastPageNumber="28" masterPageNumber="11" pageNumber="12" updateTime="1668166212754" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Two new species of Lithobius on Qinghai-Tibetan plateau identified from morphology and COI sequences (Lithobiomorpha: Lithobiidae)</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Qiao, Penghai</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Qin, Wen</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Ma, Huiqin</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Zhang, Tongzuo</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Su, Jianping</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Lin, Gonghua</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2018</mods:date>
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<mods:detail type="volume">
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<mods:number>785</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>11</mods:start>
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<mods:end>28</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.785.28580</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.785.28580</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-785-11</mods:identifier>
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<mods:identifier type="ZBK">CD9CA8866212420BA19B795F65AFB000</mods:identifier>
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<mods:identifier type="ZooBank">CD9CA8866212420BA19B795F65AFB000</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="147598559" LSID="urn:lsid:plazi:treatment:B1003767A5222AE270B2CE00C16BE260" httpUri="http://treatment.plazi.org/id/B1003767A5222AE270B2CE00C16BE260" lastPageNumber="12" pageId="1" pageNumber="12">
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<subSubSection pageId="1" pageNumber="12" type="nomenclature">
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<paragraph pageId="1" pageNumber="12">
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<taxonomicName class="Chilopoda" family="Lithobiidae" genus="Lithobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lithobius (Ezembius) longibasitarsus" order="Lithobiomorpha" pageId="1" pageNumber="12" phylum="Arthropoda" rank="species" species="longibasitarsus" subGenus="Ezembius">Lithobius (Ezembius) longibasitarsus</taxonomicName>
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<taxonomicNameLabel pageId="1" pageNumber="12">sp. n.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="12" type="type material">
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<paragraph pageId="1" pageNumber="12">Type material.</paragraph>
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<paragraph pageId="1" pageNumber="12">
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Holotype: female labelled GH3 (Figure 1 A,
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<normalizedToken originalValue="D–E">D-E</normalizedToken>
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,
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<normalizedToken originalValue="H–G">H-G</normalizedToken>
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), body length 17.0 mm, from Gonghe County, Qinghai province, China,
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="36.64508">36.64508° N</geoCoordinate>
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<geoCoordinate direction="east" orientation="longitude" precision="1" value="100.80747">100.80747° E</geoCoordinate>
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, 14 July 2011, 3287 meters above sea level, collected by Gonghua Lin. Paratypes: one female, one male, same data as holotype.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="12" type="habitat">
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<paragraph pageId="1" pageNumber="12">Habitat.</paragraph>
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<paragraph pageId="1" pageNumber="12">
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Specimens were collected under stones on steppes covered with legume shrubs and grass composed mainly of
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<taxonomicName family="Poaceae" lsidName="" pageId="1" pageNumber="12" rank="family">Poaceae</taxonomicName>
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. The sampling point belongs to the Gonghe Basin region of the Tibet plateau severely affected by desertification.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="12" type="etymology">
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<paragraph pageId="1" pageNumber="12">Etymology.</paragraph>
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<paragraph pageId="1" pageNumber="12">The specific name refers to the new species with a long tarsus I of leg XV, tarsus I approx. 1.7 times longer than tarsus II.</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="12" type="diagnosis">
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<paragraph pageId="1" pageNumber="12">Diagnosis.</paragraph>
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<paragraph pageId="1" pageNumber="12">Body length 17.0-18.0 mm; head slightly widened; antennae of 20 articles; 10-14 ocelli arranged in three irregular rows; To oval to round, slightly smaller in size to neighbouring ocelli; lateral margins of forcipular coxosternite slanting; anterior margin with 2+2, 3+2 or 2+3 blunt teeth and with strong setiform porodonts; tergites without triangular posterolateral process; legs XIV and XV thicker and longer than anterior ones in both sexes; coxal pores 4-6, round to ovate arranged in one row; female gonopods with two moderately long, bullet-shaped spurs; terminal claw of the third article simple, with a small triangular protuberance on basal ventral side; male gonopods short and small.</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="12" type="description">
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<paragraph pageId="1" pageNumber="12">Description.</paragraph>
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<paragraph pageId="1" pageNumber="12">Holotype (♀), body 17.0 mm long, cephalic plate width 2.1 mm, length 2.0 mm.</paragraph>
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<paragraph pageId="1" pageNumber="12">Colour: antennae light yellow; tergites pale yellow-brown; cephalic plate and terminal tergite yellow-brown; pleural region and sternites pale yellow; distal part of forcipules dark brown, maxillipede coxosternum and SXV yellow; legs pale yellow with grey hue, pretarsal claw brown.</paragraph>
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<paragraph pageId="1" pageNumber="12">Antennae composed of 20+20 articles (Figure 1 A), length 3.31 mm, basal article slightly wider than long, second article with equal length and width, the following articles longer than wide, distal article 2.6 times as long as wide; abundant setae on antennal surface.</paragraph>
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<paragraph pageId="1" pageNumber="12">Ocelli area translucent with dark pigment, 1+5, 3, 2 ocelli on each side of cephalic plate, arranged in three irregular rows. The posterior ocellus is the biggest. To oval, smaller than the adjacent ocelli, situated ventrally on anterolateral margin of cephalic plate.</paragraph>
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<paragraph pageId="1" pageNumber="12">Cephalic plate smooth, slightly broader than long; as broad as TIII or slightly broader. Frontal marginal of head with clear transverse suture. Posterior margin slightly concave; projection of lateral marginal conspicuously discontinuous; posterior marginal ridge slightly concave with median thickening.</paragraph>
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<paragraph pageId="1" pageNumber="12">Coxosternite subtrapezoidal, anterior margin narrow, lateral margins of the coxosternite slightly longer than medial margins. Median diastema shallow, U-shaped; anterior margin with 3+2 blunt nipple-like teeth (Figure 1E). Porodonts thick and strong separated from the lateral tooth ventrolaterally. Scattered short setae on the ventral side of coxosternite, longer setae near the dental margin and the porodonts.</paragraph>
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<paragraph pageId="1" pageNumber="12">
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Tergites all smooth, without wrinkles, TI narrower posterolaterally than anterolaterally, generally trapezoidal, narrower than the cephalic plate and TIII, the cephalic plate almost the same width as TIII. Posterior marginal ridge of TI straight; of TT III, V shallow concave; of TT VIII, X, XII slightly concave; of TXIV deeply concave; TT
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<normalizedToken originalValue="VI–">VI-</normalizedToken>
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XIV bordered laterally only (Figure 1A). Posterior angles of all tergites rounded without triangular projections. Only one or two pairs of setae on anterior angles of each tergite.
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</paragraph>
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<paragraph pageId="1" pageNumber="12">Sternites: posterior part of sternites narrower than anterior, generally trapezoidal, smooth; 2-8 setae on anterior angle, anterior lateral side, posterior angle and posterior lateral side; some minute setae on SS XIV and XV, most of which distributed on posterior lateral margins and posterior borders.</paragraph>
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<paragraph pageId="1" pageNumber="12">
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Legs: tarsal articulation well defined on legs I-XV. All legs with fairly long curved claws. Legs
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<normalizedToken originalValue="I–XIV">I-XIV</normalizedToken>
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with anterior and posterior accessory spurs, anterior accessory spur moderately long and slender ca. 33%-50% the length of principle claw, the posterior one stouter forming slightly larger angles with tarsal claws, ca. 0.25 the length of principal claw. Legs XV lacking anterior and posterior accessory spurs. Dense glandular pores on the surface of prefemur, femur, tibia, and tarsi of legs XIV and XV. Short to long setae sparsely scattered over the surface of prefemur, femur, tibia, and tarsi of legs I-XIII, more setae on the tarsal surface, with two rows of comb-like setae along ventral side, fewer setae on legs XIV and XV. Legs XIV and XV moderately thicker and longer than anterior legs, tarsus I ca. 6.6 times as long as wide, tarsus II ca. 37% length of the whole tarsus on leg XV. Leg plectrotaxy as presented in Table 1.
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</paragraph>
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<paragraph pageId="1" pageNumber="12">
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Coxal pores circular on legs
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<normalizedToken originalValue="XII–XV">XII-XV</normalizedToken>
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, separated by a distance 1-2 times larger than diameter of pore; inner pores smaller; formula 6, 5, 5, 5. Coxal pores set in a shallow groove arranged in a row with short to long setae scattered over the surface of apophysis (Figure 1J).
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</paragraph>
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<paragraph pageId="1" pageNumber="12">Female posterior segment: S XV generally trapeziform, straight posteromedially; sternite of genital segment wider than long with posterior margin moderately concave between condyles of gonopods, except for a small, median bulge; distal part lightly sclerotised; short to long setae scattered over the surface of genital segment and lateral margins. The first article of gonopod moderately broad bearing 22-24 short to moderately long setae arranged in three rows with 2+2 moderately long, bullet-shaped spurs, inner spur slightly smaller and more anterior than the outer (Figure 1J), four short setae, and three long setae on dorsolateral ridge (Figure 1H). The second article of gonopod with 8-10 setae, three long setae along the dorsolateral ridge (Figure 1H). Third article of gonopod with six moderately long setae. Terminal claw simple, slender and sharp, having small triangular protuberance on ventral side (Figure 1I).</paragraph>
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<paragraph pageId="1" pageNumber="12">Male posterior segment: S XV subtrapeziform, long setae scattered sparsely over its surface and posterior margins. Male genital sternite slightly wider than long; posterior margin quite deeply concave between the gonopods, no bulge medially; ca. 69 short to medium setae scattered sparsely over its surface and at lateral margins; gonopods of a single small semicircular article with 3-5 seta on its surface (Figure 1K). Male leg XV not modified.</paragraph>
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<caption ID-Table-UUID="B64A30894CEABE9B01B393B17CBCF4C9" httpUri="http://table.plazi.org/id/B64A30894CEABE9B01B393B17CBCF4C9" pageId="1" pageNumber="12">
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<paragraph pageId="1" pageNumber="12">
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Table 1.
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<taxonomicName class="Chilopoda" family="Lithobiidae" genus="Lithobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lithobius (Ezembius) longibasitarsus" order="Lithobiomorpha" pageId="1" pageNumber="12" phylum="Arthropoda" rank="species" species="longibasitarsus" subGenus="Ezembius">Lithobius (Ezembius) longibasitarsus</taxonomicName>
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sp. n.: leg plectrotaxy; letters in brackets indicate variable spines.
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</paragraph>
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</caption>
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<paragraph pageId="1" pageNumber="12">
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<table pageId="1" pageNumber="12">
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<tr pageId="1" pageNumber="12">
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<th colspan="1" pageId="1" pageNumber="12" rowspan="2">legs</th>
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<th colspan="5" pageId="1" pageNumber="12" rowspan="1">ventral</th>
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<th colspan="5" pageId="1" pageNumber="12" rowspan="1">dorsal</th>
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</tr>
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<tr pageId="1" pageNumber="12">
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<th colspan="1" pageId="1" pageNumber="12" rowspan="1">C</th>
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<th colspan="1" pageId="1" pageNumber="12" rowspan="1">
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<abbrev id="ABBRID0EMHAE" pageId="1" pageNumber="12">Tr</abbrev>
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</th>
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<th colspan="1" pageId="1" pageNumber="12" rowspan="1">P</th>
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<th colspan="1" pageId="1" pageNumber="12" rowspan="1">F</th>
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<th colspan="1" pageId="1" pageNumber="12" rowspan="1">
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<abbrev id="ABBRID0E1HAE" pageId="1" pageNumber="12">Ti</abbrev>
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</th>
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<th colspan="1" pageId="1" pageNumber="12" rowspan="1">C</th>
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<th colspan="1" pageId="1" pageNumber="12" rowspan="1">
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<abbrev id="ABBRID0EFIAE" pageId="1" pageNumber="12">Tr</abbrev>
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</th>
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<th colspan="1" pageId="1" pageNumber="12" rowspan="1">P</th>
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<th colspan="1" pageId="1" pageNumber="12" rowspan="1">F</th>
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<th colspan="1" pageId="1" pageNumber="12" rowspan="1">
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<abbrev id="ABBRID0ETIAE" pageId="1" pageNumber="12">Ti</abbrev>
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</th>
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</tr>
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</table>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="12" type="variation">
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<paragraph pageId="1" pageNumber="12">Variations.</paragraph>
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<paragraph pageId="1" pageNumber="12">
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Body length 17.0-18.0 mm; ocelli 1+5, 4, 4 or 1+5, 3, 2 or 1+4, 3, 2 (Figure 1
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<normalizedToken originalValue="B–D">B-D</normalizedToken>
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); coxal pores 5544, 5554 or 6555; coxosternal teeth 2+2, 3+2 or 2+3 (Figure 1
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<normalizedToken originalValue="E–G">E-G</normalizedToken>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="12" type="remarks">
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<paragraph pageId="1" pageNumber="12">Remarks.</paragraph>
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<paragraph pageId="1" pageNumber="12">
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<taxonomicName class="Chilopoda" family="Lithobiidae" genus="Lithobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lithobius (E.) longibasitarsus" order="Lithobiomorpha" pageId="1" pageNumber="12" phylum="Arthropoda" rank="species" species="longibasitarsus" subGenus="E.">Lithobius (E.) longibasitarsus</taxonomicName>
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sp. n. can be distinguished from all the other known Chinese species of subgenus
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<taxonomicName lsidName="(Ezembius)" pageId="1" pageNumber="12" rank="subGenus" subGenus="Ezembius">Ezembius</taxonomicName>
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Chamberlin, 1919 by 2+2, 2+3 or 3+2 moderately blunt teeth on the forcipular coxosternite and the terminal claw of the female gonopod simple, slender and sharp, having a small triangular protuberance on its ventral side. It has a larger body (17.7-18.0 mm), more ocelli (10-14), more coxal pores (5544, 5554 or 6555), and DaC spine on legs XII and XV.
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</paragraph>
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<paragraph pageId="1" pageNumber="12">
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Morphologically it resembles
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<taxonomicName lsidName="L. (E.) tetraspinus" pageId="1" pageNumber="12" rank="species" species="tetraspinus" subGenus="E.">L. (E.) tetraspinus</taxonomicName>
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but can be readily distinguished by the following characters: more ocelli (10-14 vs. 9-10), more coxosternal teeth (2+3, 3+2 vs. 2+2), more coxal pores (4-6 vs. 2-5), and less spurs on female gonopods (2+2 contrary to 2+3 or 3+2).
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</paragraph>
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<caption pageId="1" pageNumber="12">
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<paragraph pageId="1" pageNumber="12">
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Figure 1.
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<taxonomicName class="Chilopoda" family="Lithobiidae" genus="Lithobius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lithobius (Ezembius) longibasitarsus" order="Lithobiomorpha" pageId="1" pageNumber="12" phylum="Arthropoda" rank="species" species="longibasitarsus" subGenus="Ezembius">Lithobius (Ezembius) longibasitarsus</taxonomicName>
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sp. n., A, D, E,
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<normalizedToken originalValue="H–J">H-J</normalizedToken>
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holotype, female: A dorsal view D ocelli and To, lateral view E forcipular coxosternite, ventral view H posterior segments and gonopods, dorsal view I claw of female gonopod, inboard view J female posterior segments and gonopods, ventral view B, F paratype, female, labelled GH4: B ocelli and To, lateral view F forcipular coxosternite, ventral view C, G, K paratype, male, labelled GH8: C ocelli and To, lateral view G forcipular coxosternite, ventral view K posterior segments and gonopods, ventral view. Scale bars 1 mm A, E, F, G; 300
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<normalizedToken originalValue="μm">μm</normalizedToken>
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B, C, D, H, I; 500
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<normalizedToken originalValue="μm">μm</normalizedToken>
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J.
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |