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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.278.4765" ID-GBIF-Dataset="0bb444f4-9e33-4218-9cf5-eac838c6c10c" ID-PMC="PMC3677348" ID-Pensoft-Pub="1313-2970-278-75" ID-PubMed="23794829" ModsDocAuthor="" ModsDocDate="2013" ModsDocID="1313-2970-278-75" ModsDocOrigin="ZooKeys 278" ModsDocTitle="Four new species of Unixenus Jones, 1944 (Diplopoda, Penicillata, Polyxenida) from Australia" checkinTime="1451247550242" checkinUser="pensoft" docAuthor="Short, Megan &amp; Huynh, Cuong" docDate="2013" docId="81C2A9440EF4CE9A78855EF646E8BDE4" docLanguage="en" docName="ZooKeys 278: 75-90" docOrigin="ZooKeys 278" docSource="http://dx.doi.org/10.3897/zookeys.278.4765" docTitle="Unixenus myallensis Short &amp; Huynh, sp. n." docType="treatment" docVersion="4" lastPageNumber="86" masterDocId="E843FC055A2EFF8FB45CFF850F08C85F" masterDocTitle="Four new species of Unixenus Jones, 1944 (Diplopoda, Penicillata, Polyxenida) from Australia" masterLastPageNumber="90" masterPageNumber="75" pageNumber="83" updateTime="1668155508324" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Four new species of Unixenus Jones, 1944 (Diplopoda, Penicillata, Polyxenida) from Australia</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Short, Megan</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Huynh, Cuong</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2013</mods:date>
<mods:detail type="volume">
<mods:number>278</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>75</mods:start>
<mods:end>90</mods:end>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.278.4765</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.278.4765</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-278-75</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="152041769" LSID="urn:lsid:zoobank.org:act:1DB55177-48AA-48A3-AF88-4820D4706C7E" httpUri="http://treatment.plazi.org/id/81C2A9440EF4CE9A78855EF646E8BDE4" lastPageId="11" lastPageNumber="86" pageId="8" pageNumber="83">
<subSubSection pageId="8" pageNumber="83" type="nomenclature">
<paragraph pageId="8" pageNumber="83">
<taxonomicName LSID="urn:lsid:zoobank.org:act:1DB55177-48AA-48A3-AF88-4820D4706C7E" authority="Short &amp; Huynh" class="Diplopoda" family="Polyxenidae" genus="Unixenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unixenus myallensis" order="Polyxenida" pageId="8" pageNumber="83" phylum="Arthropoda" rank="species" species="myallensis">Unixenus myallensis Short &amp; Huynh</taxonomicName>
<taxonomicNameLabel pageId="8" pageNumber="83">sp. n.</taxonomicNameLabel>
Fig. 4
<normalizedToken originalValue="AK">A-K</normalizedToken>
</paragraph>
</subSubSection>
<subSubSection pageId="8" pageNumber="83" type="holotype">
<paragraph pageId="8" pageNumber="83">Holotype.</paragraph>
<paragraph pageId="8" pageNumber="83">
Female, Myall Lakes National Park, 3.8 km South of Mungo Brush campsite, NSW,
<geoCoordinate direction="south" orientation="latitude" precision="15" value="-32.579445">32°34'46&quot;S</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="15" value="152.29085">152°17'27&quot;E</geoCoordinate>
, ca 300-500 m, wet pitfall traps 14-24 May 1998, collected by L. Wilkie, AM KS.93670. Specimen mounted on slide, deposited in AM.
</paragraph>
</subSubSection>
<subSubSection lastPageId="9" lastPageNumber="84" pageId="8" pageNumber="83" type="paratypes">
<paragraph pageId="8" pageNumber="83">Paratypes.</paragraph>
<paragraph pageId="8" pageNumber="83">Male subadult stadium VII, same collection as holotype, AM KS.94096.</paragraph>
<paragraph pageId="9" pageNumber="84">
<pageBreakToken pageId="9" pageNumber="84" start="start">Female</pageBreakToken>
, same site as holotype, wet pitfall traps 26 November 1997, collected by L. Wilkie, AM KS.93660. Male adult, Male subadult stadium VII, Female subadult stadium VII, Wyrrabalong National Park, NSW,
<geoCoordinate direction="south" orientation="latitude" precision="15" value="-33.27972">33°16'47&quot;S</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="15" value="151.54445">151°32'40&quot;E</geoCoordinate>
, wet pitfall traps 27 November 1997, collected by L. Wilkie, AM KS.93662, KS.119556, AM KS.93663. All paratypes mounted on slides, deposited in AM.
</paragraph>
</subSubSection>
<subSubSection lastPageId="10" lastPageNumber="85" pageId="9" pageNumber="84" type="other material">
<paragraph pageId="9" pageNumber="84">Other material:</paragraph>
<paragraph lastPageId="10" lastPageNumber="85" pageId="9" pageNumber="84">
1 immature stadium IV (6 pairs legs), same site as holotype, wet pitfall traps 14 May 1998 collected by L. Wilkie, KS.93665. 1 stadium VI, 10 pl, sex
<pageBreakToken pageId="10" pageNumber="85" start="start">unknown</pageBreakToken>
, Wyrrabalong National Park, NSW,
<geoCoordinate direction="south" orientation="latitude" precision="15" value="-33.28">33°16'48&quot;S</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="15" value="151.54584">151°32'45&quot;E</geoCoordinate>
, wet pitfall traps 27 November 1997, collected by L. Wilkie, AM KS.93659. 1 stadium V, 8 pl, 1 stadium IV, 6 pl, Wyrrabalong National Park, NSW,
<geoCoordinate direction="south" orientation="latitude" precision="15" value="-33.27972">33°16'47&quot;S</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="15" value="151.54445">151°32'40&quot;E</geoCoordinate>
, wet pitfall traps 27 November 1997, collected by L. Wilkie, AM KS.93661, AM KS.93666. Preserved in ethanol in AM.
</paragraph>
</subSubSection>
<subSubSection pageId="10" pageNumber="85" type="etymology">
<paragraph pageId="10" pageNumber="85">Etymology.</paragraph>
<paragraph pageId="10" pageNumber="85">For Myall Lakes National Park, the type locality; adjective.</paragraph>
</subSubSection>
<subSubSection pageId="10" pageNumber="85" type="diagnosis">
<paragraph pageId="10" pageNumber="85">Diagnosis.</paragraph>
<paragraph pageId="10" pageNumber="85">
Similar chaetotaxy to
<taxonomicName class="Diplopoda" family="Polyxenidae" genus="Unixenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unixenus attemsi" order="Polyxenida" pageId="10" pageNumber="85" phylum="Arthropoda" rank="species" species="attemsi">Unixenus attemsi</taxonomicName>
with 1 seta on femur and none on tibia, setae smooth biarticulate; differs from
<taxonomicName class="Diplopoda" family="Polyxenidae" genus="Unixenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unixenus attemsi" order="Polyxenida" pageId="10" pageNumber="85" phylum="Arthropoda" rank="species" species="attemsi">Unixenus attemsi</taxonomicName>
in having a gap between anterior and posterior vertex groups of trichomes, 4 basiconic sensilla on antennal article VI, gnathochilarium with short lateral palps (1.5
<normalizedToken originalValue="×">x</normalizedToken>
diameter of medial palp) bearing 12-13 short rounded sensilla, ornamental trichome insertions c in row.
</paragraph>
</subSubSection>
<subSubSection lastPageId="11" lastPageNumber="86" pageId="10" pageNumber="85" type="description">
<paragraph pageId="10" pageNumber="85">Description.</paragraph>
<paragraph pageId="10" pageNumber="85">
As for
<taxonomicName class="Diplopoda" family="Polyxenidae" genus="Unixenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unixenus carnarvonensis" order="Polyxenida" pageId="10" pageNumber="85" phylum="Arthropoda" rank="species" species="carnarvonensis">Unixenus carnarvonensis</taxonomicName>
, differing in the following details:
</paragraph>
<paragraph pageId="10" pageNumber="85">Measurements: Body length 2.2-2.4 mm (n=3) with no differences between sexes. Caudal bundle 0.5 mm.</paragraph>
<paragraph pageId="10" pageNumber="85">Colouration: No freshly collected specimens available. Specimens had been preserved in 70% ethanol. Body yellow brown in colour with black trichomes including caudal bundle dark brown - black.</paragraph>
<paragraph pageId="10" pageNumber="85">Two rows of trichomes either side of posterior vertex of head with number of trichomes in rows varying from 7-11 trichomes each side anteriorly, 4-6 each side in posterior rows. (Fig. 4A). Antennal article VI with 4 thick basiconic sensilla, coeloconic sensillum posterior to the basiconic sensilla, setiform sensillum between basiconic sensilla 1 and 2 (Fig. 4C). Clypeo-labrum with 6-9 setae along the posterior margin; anterior margin of labrum with 3-5 square shaped lamellar teeth each side of median cleft; tiny granular structures over labrum (Fig. 4E).</paragraph>
<paragraph pageId="10" pageNumber="85">
Gnathochilarium with lateral palp 1.5 times length of medial palp. Lateral palp with 12-13 sensilla, medial palp 22 sensilla (Fig. 4B), sensilla fat, cylindrical and short (2/3 length of
<taxonomicName class="Diplopoda" family="Polyxenidae" genus="Unixenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unixenus attemsi" order="Polyxenida" pageId="10" pageNumber="85" phylum="Arthropoda" rank="species" species="attemsi">Unixenus attemsi</taxonomicName>
sensilla) (Fig. 4D).
</paragraph>
<paragraph pageId="10" pageNumber="85">Collum with two rows of trichomes sparsely arranged each side of a medial gap, rows merge laterally to form rosettes of trichomes, and with a small number (2 each side in holotype) of trichomes between the two rows. Lateral protuberances of collum with 3-4 trichomes each. Tergites 2-10 with trichomes arranged most commonly in 2 rows on posterior half of the tergite each side of a medial gap. Anterior row sinuous with small gap to lateral cluster. In posterior tergites the two rows are closer together and straighter (Fig. 4F). In some specimens tergites 2 and 3 have scattered trichomes between the anterior and posterior rows forming an intermediate 3rd row. Conical pleural projections along each side associated with tergites 2-10, each with dense cluster of short dark trichomes. Tergal trichomes of posterior tergites longer than those of anterior tergites.</paragraph>
<paragraph pageId="10" pageNumber="85">Leg chaetotaxy as follows: coxa 1, one seta, coxa 2, 2 setae, coxae 3-13, 2-3 setae; prefemur, femur, 1 seta (Fig. 4G); setae biarticulate with glabrous funicle showing longitudinal ridging (Fig. 4I), tarsus 2 with small setiform seta (Fig. 4J), trochanter, postfemur, tibia and tarsus 1 lack setae, claw of telotarsus bearing posterior and anterior processes (Fig. 4H). Male with 2 pairs coxal glands on leg pairs 8 and 9.</paragraph>
<paragraph pageId="11" pageNumber="86">
<pageBreakToken pageId="11" pageNumber="86" start="start">Telson</pageBreakToken>
with ornamental trichome insertions numbering 5-6a, 1b and 3c each side of the midline, with c trichome insertions in straight line (Fig. 4K). Trichomes b and c black in colour. Hooked caudal trichomes with 1-6 hooks on barbed stems, majority with distal facing barbs only along stem proximal to hooks, with occasional double barbs with both distal and proximal facing projections (Fig. 4L).
</paragraph>
<caption pageId="11" pageNumber="86">
<paragraph pageId="11" pageNumber="86">
Figure 4.
<taxonomicName class="Diplopoda" family="Polyxenidae" genus="Unixenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unixenus myallensis" order="Polyxenida" pageId="11" pageNumber="86" phylum="Arthropoda" rank="species" species="myallensis">Unixenus myallensis</taxonomicName>
sp. n., adult female A Head, dorsal view showing arrangement of ocelli, position of trichobothria and trichome insertions B Left palp of gnathochilarium C Details of sensilla on antennal article VI, sensillum type indicated as follows: coeloconic (c), setiform (s), thick basiconic (T) D Details of gnathochilarial sensillum E Clypeo-labrum F Collum, tergite 2 and tergite 10 showing pattern of trichome insertions G Left leg 3 showing chaetotaxy on leg segments H Anterior view of left telotarsus showing anterior spinous projection (s), claw (c) with anterior (a) and posterior (p) processes and lamella (l) I Details of seta on coxa, prefemur and femur J Details of seta on tarsus 2 K Pattern of ornamental trichome insertions L Hooked caudal trichome, distal section only. Scale bars: A and F (shared bar), G = 50
<normalizedToken originalValue="µm">µm</normalizedToken>
; B and K = 20
<normalizedToken originalValue="µm">µm</normalizedToken>
; E = 10
<normalizedToken originalValue="µm">µm</normalizedToken>
; I and J (shared bar) and L = 5
<normalizedToken originalValue="µm">µm</normalizedToken>
C,D and H = 2
<normalizedToken originalValue="µm">µm</normalizedToken>
.
</paragraph>
</caption>
<paragraph pageId="11" pageNumber="86">Distribution. So far known only from two treed coastal sites in mid NSW, with a north-south range of ca 150 km (Fig. 5).</paragraph>
<caption pageId="11" pageNumber="86">
<paragraph pageId="11" pageNumber="86">
Figure 5. Map of Australia with states New South Wales and Western Australia expanded to show distribution of five
<taxonomicName class="Diplopoda" family="Polyxenidae" genus="Unixenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unixenus" order="Polyxenida" pageId="11" pageNumber="86" phylum="Arthropoda" rank="genus">Unixenus</taxonomicName>
species In Western Australia:
<taxonomicName class="Diplopoda" family="Polyxenidae" genus="Unixenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unixenus carnarvonensis" order="Polyxenida" pageId="11" pageNumber="86" phylum="Arthropoda" rank="species" species="carnarvonensis">Unixenus carnarvonensis</taxonomicName>
sp. n.: diamonds, type region shown as open diamond
<taxonomicName class="Diplopoda" family="Polyxenidae" genus="Unixenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unixenus karajinensis" order="Polyxenida" pageId="11" pageNumber="86" phylum="Arthropoda" rank="species" species="karajinensis">Unixenus karajinensis</taxonomicName>
<bibRefCitation author="Short, M" journalOrPublisher="Zookeys" pageId="14" pageNumber="89" pagination="105 - 122" title="The genus Unixenus Jones, 1944 (Diplopoda, Penicillata, Polyxenida) in Australia." url="10.3897/zookeys.156.2168" volume="156" year="2011">Short and Huynh 2011</bibRefCitation>
: stars, type locality shown as open star. In New South Wales:
<taxonomicName class="Diplopoda" family="Polyxenidae" genus="Unixenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unixenus corringlensis" order="Polyxenida" pageId="11" pageNumber="86" phylum="Arthropoda" rank="species" species="corringlensis">Unixenus corringlensis</taxonomicName>
sp. n.: squares,squares, type locality shown as open square
<taxonomicName class="Diplopoda" family="Polyxenidae" genus="Unixenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unixenus barrabaensis" order="Polyxenida" pageId="11" pageNumber="86" phylum="Arthropoda" rank="species" species="barrabaensis">Unixenus barrabaensis</taxonomicName>
sp. n.: circles, type locality shown as open circle
<taxonomicName class="Diplopoda" family="Polyxenidae" genus="Unixenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unixenus myallensis" order="Polyxenida" pageId="11" pageNumber="86" phylum="Arthropoda" rank="species" species="myallensis">Unixenus myallensis</taxonomicName>
sp. n.: triangles, type locality shown as open triangle. Scale bar =1000 km.
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>