132 lines
15 KiB
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132 lines
15 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.544.6074" ID-GBIF-Dataset="0e5e47a0-f8f3-4039-b0e1-c159fef0b9f6" ID-PMC="PMC4714384" ID-Pensoft-Pub="1313-2970-544-1" ID-PubMed="26798289" ID-ZBK="C5978BD0145B40F8ACDEB27371B7B9A4" ModsDocAuthor="" ModsDocDate="2015" ModsDocID="1313-2970-544-1" ModsDocOrigin="ZooKeys 544" ModsDocTitle="The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Haleakala-, Maui: Keystone of a hyperdiverse Hawaiian radiation" checkinTime="1451243640953" checkinUser="pensoft" docAuthor="Liebherr, James K." docDate="2015" docId="BAD02644D7C728D485E515D8FB6BD3A9" docLanguage="en" docName="ZooKeys 544: 1-407" docOrigin="ZooKeys 544" docSource="http://dx.doi.org/10.3897/zookeys.544.6074" docTitle="Mecyclothorax takumiae Liebherr, 2015, sp. n." docType="treatment" docUuid="A9866865-1B53-4DC7-AD1C-AD08858BD0D8" docUuidSource="ZooBank" docVersion="5" lastPageNumber="126" masterDocId="FF92FFC2FF9FFFC7191EFFB8FF91AF5D" masterDocTitle="The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Haleakala-, Maui: Keystone of a hyperdiverse Hawaiian radiation" masterLastPageNumber="407" masterPageNumber="1" pageNumber="124" updateTime="1668162300918" 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>The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Haleakala-, Maui: Keystone of a hyperdiverse Hawaiian radiation</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>Liebherr, James K.</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>2015</mods:date>
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<mods:detail type="volume">
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<mods:number>544</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>407</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.544.6074</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.544.6074</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-544-1</mods:identifier>
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<mods:identifier type="ZBK">C5978BD0145B40F8ACDEB27371B7B9A4</mods:identifier>
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<mods:identifier type="ZooBank">C5978BD0145B40F8ACDEB27371B7B9A4</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="127853563" LSID="urn:lsid:zoobank.org:act:A9866865-1B53-4DC7-AD1C-AD08858BD0D8" httpUri="http://treatment.plazi.org/id/BAD02644D7C728D485E515D8FB6BD3A9" lastPageId="125" lastPageNumber="126" pageId="123" pageNumber="124">
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<subSubSection pageId="123" pageNumber="124" type="multiple">
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<paragraph pageId="123" pageNumber="124">Taxon classification Animalia Coleoptera Carabidae</paragraph>
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</subSubSection>
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<subSubSection pageId="123" pageNumber="124" type="nomenclature">
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<paragraph pageId="123" pageNumber="124">
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(048)
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<taxonomicName LSID="http://zoobank.org/A9866865-1B53-4DC7-AD1C-AD08858BD0D8" class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax takumiae" order="Coleoptera" pageId="123" pageNumber="124" phylum="Arthropoda" rank="species" species="takumiae">Mecyclothorax takumiae</taxonomicName>
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<taxonomicNameLabel pageId="123" pageNumber="124">sp. n.</taxonomicNameLabel>
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Figs 65B, 67
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="124" lastPageNumber="125" pageId="123" pageNumber="124" type="diagnosis">
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<paragraph pageId="123" pageNumber="124">Diagnosis.</paragraph>
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<paragraph lastPageId="124" lastPageNumber="125" pageId="123" pageNumber="124">
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Within the
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax ovipennis" order="Coleoptera" pageId="123" pageNumber="124" phylum="Arthropoda" rank="species" species="ovipennis">Mecyclothorax ovipennis</taxonomicName>
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group, this species (Fig. 65B) forms part of a triplet of species also including
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax apicalis" order="Coleoptera" pageId="123" pageNumber="124" phylum="Arthropoda" rank="species" species="apicalis">Mecyclothorax apicalis</taxonomicName>
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(Fig. 65C) and
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax parapicalis" order="Coleoptera" pageId="123" pageNumber="124" phylum="Arthropoda" rank="species" species="parapicalis">Mecyclothorax parapicalis</taxonomicName>
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(Fig. 65D) that are collectively diagnosed by glabrous, obtuse pronotal hind angles, shallow impunctate discal elytral striae, and concolorous elytral disc and margins. Of these,
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax takumiae" order="Coleoptera" pageId="123" pageNumber="124" phylum="Arthropoda" rank="species" species="takumiae">Mecyclothorax takumiae</taxonomicName>
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is characterized by the smallest body size, standardized body length 3.6 mm, and least developed microsculpture. The pronotal disc and median base are glossy with obsolete transverse-mesh microsculpture and parallel lines over portions of the cuticle, whereas the elytral disc has a shallow mesh of isodiametric and transverse sculpticells, breadth 2
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<normalizedToken originalValue="–3×">-3x</normalizedToken>
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length. Both
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax apicalis" order="Coleoptera" pageId="123" pageNumber="124" phylum="Arthropoda" rank="species" species="apicalis">Mecyclothorax apicalis</taxonomicName>
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and
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax parapicalis" order="Coleoptera" pageId="123" pageNumber="124" phylum="Arthropoda" rank="species" species="parapicalis">Mecyclothorax parapicalis</taxonomicName>
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have well-developed sculpticells covering those areas. Setal formula 2 1 2(1) 0; the right elytron has both dorsal
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<pageBreakToken pageId="124" pageNumber="125" start="start">elytral</pageBreakToken>
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setae, whereas the left has only a seta at the anterior position of the right elytron. As the bisetose condition is shared with
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax apicalis" order="Coleoptera" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="apicalis">Mecyclothorax apicalis</taxonomicName>
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and
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax parapicalis" order="Coleoptera" pageId="124" pageNumber="125" phylum="Arthropoda" rank="species" species="parapicalis">Mecyclothorax parapicalis</taxonomicName>
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, the unisetose elytron is considered a variant.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="125" lastPageNumber="126" pageId="124" pageNumber="125" type="description">
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<paragraph pageId="124" pageNumber="125">Description</paragraph>
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<paragraph lastPageId="125" lastPageNumber="126" pageId="124" pageNumber="125">
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(n = 1). Head capsule with frontal grooves broad near clypeus, lateral carina to anterior supraorbital seta; dorsal surface of neck flat; eyes moderately developed, ocular ratio = 1.45, ocular lobe ratio = 0.80; labral anterior margin medially emarginate, medially excavated 1/6 of length; antennae filiform, antennomeres 2-3 with only 1 or 2 short setae on shafts; mentum tooth with sides acute, apex rounded. Pronotum slightly transverse, MPW/PL = 1.21, moderately constricted basally, MPW/BPW = 1.53; hind angle obtuse, margin behind rounded; median base markedly depressed versus disc, ~9 punctures each side, surface glossy between; basal margin convexly expanded between laterobasal depressions; median longitudinal impression shallow, finely incised, crossed by fine transverse wrinkles; anterior transverse impression narrow, shallowly incised laterally, obsolete medially; anterior callosity slightly convex, smooth, glossy; front angles not to slightly projected, tightly rounded; pronotal apical and basal width equal, APW/BPW = 1.0; lateral marginal depression narrow through apical 1/3 of length, edge upturned, widened in basal 1/3; laterobasal depression narrow, surface irregular, continuous with lateral depression. Proepisternum with 5 minute punctures along hind margin; prosternal process with narrow median impression, lateral margins broadly beaded between coxae. Elytra subquadrate, disc flat, sides distinctly sloped; basal groove evenly recurved to subangulate (left) to tightly rounded (right)
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<pageBreakToken pageId="125" pageNumber="126" start="start">humerus</pageBreakToken>
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, MEW/HuW = 2.04; parascutellar seta present; parascutellar striole with 4 punctures, shallow between punctures; sutural interval slightly more convex than lateral intervals, upraised at sutural juncture; sutural stria shallow, continuous basally, punctate on disc, smooth and deep apically; striae 2-6 progressively shallower, smooth, stria 7 obsolete; stria 1 subequal to slightly deeper than stria 2 at elytral apex; elytral interval 2 slightly convex, intervals 3-7 progressively flatter; 8th interval subcarinate laterad fused apical portion of striae 5 + 7; 2 dorsal elytral setae at 0.31
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<normalizedToken originalValue="×">x</normalizedToken>
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and 0.63
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<normalizedToken originalValue="×">x</normalizedToken>
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elytral length (right elytron), setal impressions moderate, spanning 2/3 of interval 3; apical and subapical setae absent; lateral elytral setae arranged in anterior series of 6 setae and posterior series of 6 setae; elytral marginal depression slightly broader at humerus, narrowed laterally, beadlike at subapical sinuation; subapical sinuation shallow, more abruptly incurved anteriorly. Mesepisternum with ~8 punctures in 1-2 rows; metepisternal width to length ratio = 0.65; metepisternum/metepimeron suture distinct. Abdomen with irregular lateral wrinkles on ventrites 1-6; suture between ventrites 2 and 3 complete; apical female ventrite with 4 equally spaced setae plus a median trapezoid of 4 subequal, short setae. Legs-metatarsomere 1/metatibial length ratio = 0.18; metatarsomere 4 length along outer lobe 1.33
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<normalizedToken originalValue="×">x</normalizedToken>
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medial tarsomere length, apical and subapical setae present; metatarsal dorsolateral sulci narrow, shallow, median area broad. Microsculpture of vertex a shallow transverse mesh, sculpticell breadth 2
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<normalizedToken originalValue="–3×">-3x</normalizedToken>
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length; elytral apex with transverse mesh, sculpticell breadth 2
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<normalizedToken originalValue="–3×">-3x</normalizedToken>
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length; metasternum with transverse mesh; laterobasal abdominal ventrites with swirling isodiametric and transverse microsculpture. Coloration of vertex rufobrunneous with piceous cast; antennomeres 1-3 flavous, 4-11 darker, more brunneous; pronotal disc rufopiceous, lateral margins concolorous, base and apex paler, rufoflavous; proepipleuron rufoflavous, proepisternum rufobrunneous with piceous cast; elytral disc rufopiceous, sutural interval rufous in basal half, flavous in apical half; 9th elytral interval and lateral marginal depression rufous, apex of intervals 8 and 9 flavous; elytral epipleuron dorsally flavous, ventrally rufoflavous, metepisternum rufopiceous; abdomen with ventrites 1-5 and the base of 6 rufopiceous, apical 1/3 of apical ventrite 6 flavous; metafemur flavous; metatibia flavous with brunneous cast.
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</paragraph>
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<paragraph pageId="125" pageNumber="126">Female reproductive tract. The lone female holotype was not dissected.</paragraph>
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</subSubSection>
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<subSubSection pageId="125" pageNumber="126" type="holotype">
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<paragraph pageId="125" pageNumber="126">Holotype.</paragraph>
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<paragraph pageId="125" pageNumber="126">
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Female (BPBM) labeled: HAWAII: Maui I. / Haleakala Crater / Paliku, 1950 m / 1 JUL 1998 // R. Takumi, coll. / HALE-RM / ex. pitfall trap // HOLOTYPE /
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax" order="Coleoptera" pageId="125" pageNumber="126" phylum="Arthropoda" rank="genus">Mecyclothorax</taxonomicName>
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/
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<taxonomicName lsidName="takumiae" pageId="125" pageNumber="126" rank="species" species="takumiae">takumiae</taxonomicName>
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/ Liebherr / det. J.K. Liebherr 2015 (black-margined red label).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="125" pageNumber="126" type="etymology">
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<paragraph pageId="125" pageNumber="126">Etymology.</paragraph>
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<paragraph pageId="125" pageNumber="126">
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Raina Takumi
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<normalizedToken originalValue="Kahaloa‘a">Kahaloa'a</normalizedToken>
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has provided numerous specimens for this revision, most often from difficult to access natural areas, and from months of the year with very few other records. Thus it is a pleasure to honor her contributions to
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax" order="Coleoptera" pageId="125" pageNumber="126" phylum="Arthropoda" rank="genus">Mecyclothorax</taxonomicName>
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diversity by naming this species in her honor.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="125" pageNumber="126" type="distribution and habitat">
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<paragraph pageId="125" pageNumber="126">Distribution and habitat.</paragraph>
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<paragraph pageId="125" pageNumber="126">
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The type specimen was collected at 1950 m elevation in a pitfall trap near Paliku Cabin. The site lies in the mesic eastern end of
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<normalizedToken originalValue="Haleakalā">Haleakala</normalizedToken>
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Crater, and it receives windward moisture wafting over the highest elevations of
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<normalizedToken originalValue="Kīpahulu">Kīpahulu</normalizedToken>
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Valley to the east (Fig. 67).
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</paragraph>
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<caption pageId="125" pageNumber="126">
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<paragraph pageId="125" pageNumber="126">
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Figure 67. Recorded geographic distributions of
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax ovipennis" order="Coleoptera" pageId="125" pageNumber="126" phylum="Arthropoda" rank="species" species="ovipennis">Mecyclothorax ovipennis</taxonomicName>
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group species.
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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> |