172 lines
18 KiB
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172 lines
18 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.741.21814" ID-GBIF-Dataset="3d8439b6-b46d-4c68-8a61-b8a668e500ff" ID-PMC="PMC5904426" ID-Pensoft-Pub="1313-2970-741-133" ID-PubMed="29706774" ID-ZBK="A3B9317A69D94803A2DFD07736193677" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1313-2970-741-133" ModsDocOrigin="ZooKeys 741" ModsDocTitle="Two new Lophoturus species (Diplopoda, Polyxenida, Lophoproctidae) from Queensland, Australia" checkinTime="1520489662411" checkinUser="pensoft" docAuthor="Huynh, Cuong & Veenstra, Anneke A." docDate="2018" docId="A398C4A88474A31B24F07403942E40F5" docLanguage="en" docName="ZooKeys 741: 133-154" docOrigin="ZooKeys 741" docSource="http://dx.doi.org/10.3897/zookeys.741.21814" docTitle="Lophoturus molloyensis Huynh & Veenstra, 2018, sp. n." docType="treatment" docUuid="79421543-DA49-454F-AA29-904170B24D9B" docUuidSource="ZooBank" docVersion="5" lastPageNumber="144" masterDocId="FF9CFFA0EA6FAB63FE5FFFC1F3068004" masterDocTitle="Two new Lophoturus species (Diplopoda, Polyxenida, Lophoproctidae) from Queensland, Australia" masterLastPageNumber="154" masterPageNumber="133" pageNumber="140" updateTime="1668165497484" 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 Lophoturus species (Diplopoda, Polyxenida, Lophoproctidae) from Queensland, Australia</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>Huynh, Cuong</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>Veenstra, Anneke A.</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>741</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>133</mods:start>
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<mods:end>154</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.741.21814</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.741.21814</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-741-133</mods:identifier>
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<mods:identifier type="ZBK">A3B9317A69D94803A2DFD07736193677</mods:identifier>
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<mods:identifier type="ZooBank">A3B9317A69D94803A2DFD07736193677</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="141400968" LSID="urn:lsid:zoobank.org:act:79421543-DA49-454F-AA29-904170B24D9B" httpUri="http://treatment.plazi.org/id/A398C4A88474A31B24F07403942E40F5" lastPageId="11" lastPageNumber="144" pageId="7" pageNumber="140">
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<subSubSection pageId="7" pageNumber="140" type="nomenclature">
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<paragraph pageId="7" pageNumber="140">
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<taxonomicName LSID="http://zoobank.org/79421543-DA49-454F-AA29-904170B24D9B" class="Diplopoda" family="Lophoproctidae" genus="Lophoturus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lophoturus molloyensis" order="Polyxenida" pageId="7" pageNumber="140" phylum="Arthropoda" rank="species" species="molloyensis">Lophoturus molloyensis</taxonomicName>
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<taxonomicNameLabel pageId="7" pageNumber="140">sp. n.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="140" type="holotype">
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<paragraph pageId="7" pageNumber="140">Holotype.</paragraph>
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<paragraph pageId="7" pageNumber="140">
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Adult male, stadium VIII - stage 13 leg pairs, was collected from Mount Molloy, Cairns region, Queensland;
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<geoCoordinate direction="south" orientation="latitude" precision="1" value="-16.686249">16°41'10.50"S</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="1" value="145.3304">145°19'49.43"E</geoCoordinate>
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, elevation 396 m, 8 December 2016.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="140" type="paratypes">
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<paragraph pageId="7" pageNumber="140">Paratypes.</paragraph>
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<paragraph pageId="7" pageNumber="140">1 male, 4 females and one 12 leg pairs (subadult), collected with holotype.</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="140" type="etymology">
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<paragraph pageId="7" pageNumber="140">Etymology.</paragraph>
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<paragraph pageId="7" pageNumber="140">
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<taxonomicName class="Diplopoda" family="Lophoproctidae" genus="Lophoturus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lophoturus molloyensis" order="Polyxenida" pageId="7" pageNumber="140" phylum="Arthropoda" rank="species" species="molloyensis">Lophoturus molloyensis</taxonomicName>
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sp. n. is named after the collection location, Mount Molloy in the Cairns region of far north Queensland, Australia.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="140" type="diagnosis">
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<paragraph pageId="7" pageNumber="140">Diagnosis.</paragraph>
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<paragraph pageId="7" pageNumber="140">
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<taxonomicName lsidName="L. molloyensis" pageId="7" pageNumber="140" rank="species" species="molloyensis">L. molloyensis</taxonomicName>
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, has 3 sensilla on the 6th antennal article, and labrum has two linguiform processes. These features are typical of
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<taxonomicName class="Diplopoda" family="Lophoproctidae" genus="Lophoturus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lophoturus" order="Polyxenida" pageId="7" pageNumber="140" phylum="Arthropoda" rank="genus">Lophoturus</taxonomicName>
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. In live, this species is white in colour with rounded body shape, covered with shorter trichomes. Body length of adults ranges from 1.4-1.8 mm, which distinguishes it from the longer
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<taxonomicName class="Diplopoda" family="Lophoproctidae" genus="Lophoturus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lophoturus" order="Polyxenida" pageId="7" pageNumber="140" phylum="Arthropoda" rank="genus">Lophoturus</taxonomicName>
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species.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="10" lastPageNumber="143" pageId="7" pageNumber="140" type="description">
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<paragraph pageId="7" pageNumber="140">Description.</paragraph>
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<paragraph pageId="7" pageNumber="140">
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Measurements: Holotype male body length 1.4 mm; females (paratypes) (n = 4) range from 1.6-1.8 mm. Caudal bundle of male is slightly narrower in width and 0.2 mm in length than that of the female with 0.3 mm (Fig. 11
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<normalizedToken originalValue="A–B">A-B</normalizedToken>
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).
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</paragraph>
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<paragraph pageId="8" pageNumber="141">
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<pageBreakToken pageId="8" pageNumber="141" start="start">Colouration</pageBreakToken>
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. Head white and dark reddish brown in eye area; body yellowish-white with dull white pleural trichomes and bright white in caudal bundle (Fig. 2C).
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</paragraph>
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<paragraph pageId="8" pageNumber="141">
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Head. Ommatidia absent. Vertex with two posterior trichome groups, a large gap presents between them. Each group consists of 2 rows, the anterior, oblique row has similar sized trichomes. Posterior row has fewer trichome sockets with a narrow space between the anterior and posterior rows (Figs 8A, 11C). Holotype male has 10 + 10 trichome sockets in anterior rows and 4 + 4 trichome sockets in posterior rows; paratypes indicate that variation is common in this species, ranging from 9-11 (anterior rows) and 3-6 (posterior rows). Trichobothria: This species has the same structure and arrangement of trichobothria as seen all
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<taxonomicName class="Diplopoda" family="Lophoproctidae" genus="Lophoturus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lophoturus" order="Polyxenida" pageId="8" pageNumber="141" phylum="Arthropoda" rank="genus">Lophoturus</taxonomicName>
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species: Trichobothria a and b are typically thin sensory hairs with narrow cylindrical funicles compared to trichobothrium c, with a claviform funicle. (Figs 8F, 11D).
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</paragraph>
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<caption pageId="8" pageNumber="141">
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<paragraph pageId="8" pageNumber="141">
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Figure 8. Holotype of
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<taxonomicName class="Diplopoda" family="Lophoproctidae" genus="Lophoturus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lophoturus molloyensis" order="Polyxenida" pageId="8" pageNumber="141" phylum="Arthropoda" rank="species" species="molloyensis">Lophoturus molloyensis</taxonomicName>
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sp. n. A Head capsule, absence of ommatidia indicated, two posterior vertex trichome sockets (pv) and trichobothria a, b and c with the sockets only B the collum (col) and two lateral protuberances (Lp) C Tergite 2 (t2) and D The last tergite 10 (t10), showing the arrangement of trichome sockets F Trichobothria: a (the medium base socket located posteriorly) and b (the largest base socket located laterally) are typical thin sensory hairs, c with with a claviform funicle (the smallest base socket located anteriorly) G The male, right gnathochilarium showing numerous sensilla (ranged 56 - 58 sensilla in male) E Labrum showing a pair of linguiform processes (lp) and setose surface.
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</paragraph>
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</caption>
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<paragraph pageId="8" pageNumber="141">Antennae. 8 articles, 7th and 8th antennal articles are equal in length (Fig. 9C). The 6th antennal article has 3 thick bacilliform sensilla (T): Medium sensillum posteriorly (Tp), the longest, thicker intermediate sensillum (Ti), a short sensillum anteriorly (Ta) with its socket distal to other, and a conical sensillum posteriorly (c) (Figs 9B, 11E). The 7th antennal article has 2 thick bacilliform sensilla (T), the anterior one (Ta) shorter than (Tp) located posteriorly, with one setiform sensillum (s) between them and a conical sensillum (c) in the posterior position (Figs 9A, 11E).</paragraph>
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<caption pageId="8" pageNumber="141">
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<paragraph pageId="8" pageNumber="141">
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Figure 9. Holotype of
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<taxonomicName class="Diplopoda" family="Lophoproctidae" genus="Lophoturus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lophoturus molloyensis" order="Polyxenida" pageId="8" pageNumber="141" phylum="Arthropoda" rank="species" species="molloyensis">Lophoturus molloyensis</taxonomicName>
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sp. n. A The arrangement of sensilla on the 7th antennal article: A conical sensillum (c), a long thick sensillum located posteriorly (Tp) and a short thick sensillum located anteriorly (Ta) with a setiform sensillum (s) located between these sensilla B Sensilla on the 6th antennal article: a conical sensillum (c), a medium length thick sensillum located posteriorly (Tp) and a long thick sensillum located intermediately (Ti) followed the short thick sensillum (Ta) C The left antenna with eight articles and the arrangement of sensilla on the 6th and 7th articles.
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</paragraph>
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</caption>
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<paragraph pageId="8" pageNumber="141">Clypeo-labrum. Holotype has 10 setae, all shorter than half the width of the labrum. Setae on the paratypes ranged from 10-12. Labrum surface setose, with tiny, backward facing hairs. Anterior margin of labrum has two whole lamellae, and a linguiform process present on each side of median cleft of labrum (Figs 8E, 11F).</paragraph>
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<paragraph pageId="8" pageNumber="141">Gnathochilaria. Medial palps only, 58 sensilla on the palp of holotype (male) and 18-22 sensilla on paratypes (females) (Fig. 8G).</paragraph>
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<paragraph pageId="8" pageNumber="141">Trunk. Comprised of 10 segments, 9 pleural projections, excluding the telson and caudal bundle; 13 pairs of legs. Collum with trichome sockets arranged in 2 oval shapes laterally, connected by a posterior row of trichome sockets forming a line with a large gap in the middle. Lateral protuberances have a small number of trichome sockets. In holotype, the collum has 26 trichome sockets on both sides and the lateral protuberances have 7 trichome sockets on each side (Figs 8B, 11C). Numbers varied in paratype females within a range of 26-29 trichome sockets in the collum and the number of lateral protuberances trichome sockets range 4-6. All other tergites, from tergites 2 to 10, have a pair of pleural projections located antero-laterally. The arrangement of tergal trichome sockets from tergites 2 to 9 typically have 2 latero-posterior oval groups with a few sockets extending on both ends with these groups separated by a large gap. Trichome sockets of tergite 2 in the holotype have 33 on each side (Figs 8C, 11C), tergite 10 has two groups of 18 sockets both sides without any extended sockets, (Fig. 8D). In contrast, the trichome sockets of tergite 2 in paratypes ranged 30-34 and tergite 10 range was 16-19 trichome sockets.</paragraph>
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<paragraph lastPageId="9" lastPageNumber="142" pageId="8" pageNumber="141">
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Legs. Leg segments are named following
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<bibRefCitation author="Manton, SM" journalOrPublisher="Journal of the Linnean Society London" pageId="13" pageNumber="146" pagination="153 - 187" title="The Evolution of Arthropodan Locomotory Mechanisms Part 5: The Structure, Habits and Evolution of the Pselaphognatha (Diplopoda)." url="https://doi.org/10.1111/j.1096-3642.1957.tb02516.x" volume="43" year="1956">Manton (1956)</bibRefCitation>
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. Legs 1 and 2 are without trochanter, leg 1 also lacks tarsus 1. Chaetotaxy as follows: coxa 1: 2 pubescent oval setae, coxa 2: 3 pubescent oval setae, coxae 3-13: 0-4 pubescent oval setae; pre-femur, femur
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<pageBreakToken pageId="9" pageNumber="142" start="start">and</pageBreakToken>
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post-femur with 1 pubescent oval seta (Fig. 10
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<normalizedToken originalValue="A–B">A-B</normalizedToken>
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), tarsus 2 with a spine (Fig. 10C). Posterior edge of last sternite has 0-4 pubescent oval setae, similar those present on the coxa and the number of these pubescent oval setae varies: 4 on the holotype and 0-4 on the paratypes. Sex organs in male: A pair of penes on the 2nd coxa and coxal glands absent.
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</paragraph>
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<paragraph pageId="10" pageNumber="143">
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<pageBreakToken pageId="10" pageNumber="143" start="start">Telotarsus</pageBreakToken>
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- Claw: robust with two latero-dorsal denticles (ldd) equal length, a basal denticle (bd) and a small denticle (smd) present near the middle of the claw (Fig. 10D).
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</paragraph>
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<paragraph pageId="10" pageNumber="143">Telson. Dorsal ornamental trichome sockets symmetrically arranged on each side, with 6 sockets of trichome a in the holotype; paratype females have 4-6 sockets of trichome a, a single trichome b and two large protruding base sockets of trichome c: c1 and c3 (Fig. 10E).</paragraph>
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<caption pageId="10" pageNumber="143">
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<paragraph pageId="10" pageNumber="143">
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Figure 10. Holotype of
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<taxonomicName class="Diplopoda" family="Lophoproctidae" genus="Lophoturus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lophoturus molloyensis" order="Polyxenida" pageId="10" pageNumber="143" phylum="Arthropoda" rank="species" species="molloyensis">Lophoturus molloyensis</taxonomicName>
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sp. n. A The second right leg with a penis (p), seven leg segments (c coxa, pf pre-femur, f femur, pof post-femur, ti tibia, T1 tarsus 1, T2 tarsus 2 and a spine), a claw and its chaetotaxy (setae on the leg segments) B A pubescent oval seta C A spine on tarsus 2 D A simple claw structure showing two latero-dorsal denticles (ldd), claw (c), a basal denticle (bd) and a small denticle (smd) E The ornamental trichome sockets, which located dorsally above the caudal bundle structure, with six trichomes a, one trichome b and two trichomes c (c1 and c3).
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</paragraph>
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</caption>
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<paragraph pageId="10" pageNumber="143">
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Caudal bundles. These caudal structures similar in both sexes and like those of
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<taxonomicName lsidName="L. boondallus" pageId="10" pageNumber="143" rank="species" species="boondallus">L. boondallus</taxonomicName>
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described above.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="11" lastPageNumber="144" pageId="10" pageNumber="143" type="remarks">
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<paragraph pageId="10" pageNumber="143">Remark.</paragraph>
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<paragraph lastPageId="11" lastPageNumber="144" pageId="10" pageNumber="143">
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<taxonomicName lsidName="L. molloyensis" pageId="10" pageNumber="143" rank="species" species="molloyensis">L. molloyensis</taxonomicName>
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differs from both
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<taxonomicName lsidName="L. queenslandicus" pageId="10" pageNumber="143" rank="species" species="queenslandicus">L. queenslandicus</taxonomicName>
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and
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<taxonomicName lsidName="L. boondallus" pageId="10" pageNumber="143" rank="species" species="boondallus">L. boondallus</taxonomicName>
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in size, body length (about 1.6 mm), form and colouration. Body trichomes are short. The 12
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<pageBreakToken pageId="11" pageNumber="144" start="start">leg</pageBreakToken>
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pairs stage of this species may initially be confused with
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<taxonomicName lsidName="L. madecassus" pageId="11" pageNumber="144" rank="species" species="madecassus">L. madecassus</taxonomicName>
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Marquet &
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<normalizedToken originalValue="Condé">Conde</normalizedToken>
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, 1950 as they have the same body length and appearance. Both have 8 pleural projections, but
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<taxonomicName lsidName="L. molloyensis" pageId="11" pageNumber="144" rank="species" species="molloyensis">L. molloyensis</taxonomicName>
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has 12 leg pairs in subadult stage compared to
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<taxonomicName lsidName="L. madecassus" pageId="11" pageNumber="144" rank="species" species="madecassus">L. madecassus</taxonomicName>
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which has 11 leg pairs in the adult stage.
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</paragraph>
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<caption pageId="11" pageNumber="144">
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<paragraph pageId="11" pageNumber="144">
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Figure 11. SEM images of
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<taxonomicName class="Diplopoda" family="Lophoproctidae" genus="Lophoturus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lophoturus molloyensis" order="Polyxenida" pageId="11" pageNumber="144" phylum="Arthropoda" rank="species" species="molloyensis">Lophoturus molloyensis</taxonomicName>
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sp. n. A A dorsal view of whole body showing the body trichome arrangements and the caudal bundle B A ventral view of whole body showing 13 pairs of legs C A head capsule displaying two posterior vertex trichome groups (pv), a collum (col) and tergite 2 (T2) D The trichobothria: a, b and c, showing different sizes in trichobothrium sockets E Antennal articles 6 and 7 with their sensilla (Ta: thick sensillum located anteriorly, Ti: intermediate thick sensillum, Tp: posterior thick sensillum, setiform sensillum (s) and a conical sensillum (c) F Mouth parts with setose labrum (l) with typical two linguiform processes (lp) and the gnathochilarium (g).
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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> |