145 lines
16 KiB
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145 lines
16 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="1AAF713F3353808B14129C8140668802" docLanguage="en" docName="ZooKeys 544: 1-407" docOrigin="ZooKeys 544" docSource="http://dx.doi.org/10.3897/zookeys.544.6074" docTitle="Mecyclothorax gracilicollis Liebherr, 2015, sp. n." docType="treatment" docUuid="8CEA662E-D125-4419-8718-F95FCFDA454D" docUuidSource="ZooBank" docVersion="5" lastPageNumber="201" masterDocId="FF92FFC2FF9FFFC7191EFFB8FF91AF5D" masterDocTitle="The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Haleakala-, Maui: Keystone of a hyperdiverse Hawaiian radiation" masterLastPageNumber="407" masterPageNumber="1" pageNumber="199" 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="127853604" LSID="urn:lsid:zoobank.org:act:8CEA662E-D125-4419-8718-F95FCFDA454D" httpUri="http://treatment.plazi.org/id/1AAF713F3353808B14129C8140668802" lastPageId="200" lastPageNumber="201" pageId="198" pageNumber="199">
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<subSubSection pageId="198" pageNumber="199" type="multiple">
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<paragraph pageId="198" pageNumber="199">Taxon classification Animalia Coleoptera Carabidae</paragraph>
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</subSubSection>
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<subSubSection pageId="198" pageNumber="199" type="nomenclature">
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<paragraph pageId="198" pageNumber="199">
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(083)
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<taxonomicName LSID="http://zoobank.org/8CEA662E-D125-4419-8718-F95FCFDA454D" class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax gracilicollis" order="Coleoptera" pageId="198" pageNumber="199" phylum="Arthropoda" rank="species" species="gracilicollis">Mecyclothorax gracilicollis</taxonomicName>
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<taxonomicNameLabel pageId="198" pageNumber="199">sp. n.</taxonomicNameLabel>
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Figs 100D, 101
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</paragraph>
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</subSubSection>
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<subSubSection pageId="199" pageNumber="200" type="diagnosis">
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<paragraph pageId="199" pageNumber="200">
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<pageBreakToken pageId="199" pageNumber="200" start="start">Diagnosis</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="199" pageNumber="200">
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This is by far the smallest-bodied
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<normalizedToken originalValue="Haleakalā">Haleakala</normalizedToken>
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species in the
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax scaritoides" order="Coleoptera" pageId="199" pageNumber="200" phylum="Arthropoda" rank="species" species="scaritoides">Mecyclothorax scaritoides</taxonomicName>
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group; standardized body length 3.8 mm. The pronotum is basally constricted (Fig. 100D), MEW/BPW = 1.59, and the elytra are ellipsoid. These body proportions and size are similar to those of the
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<normalizedToken originalValue="O‘ahu">O'ahu</normalizedToken>
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax scaritoides" order="Coleoptera" pageId="199" pageNumber="200" phylum="Arthropoda" rank="species" species="scaritoides">Mecyclothorax scaritoides</taxonomicName>
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group species,
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax simiolus" order="Coleoptera" pageId="199" pageNumber="200" phylum="Arthropoda" rank="species" species="simiolus">Mecyclothorax simiolus</taxonomicName>
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(Blackburn) and
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax pelops" order="Coleoptera" pageId="199" pageNumber="200" phylum="Arthropoda" rank="species" species="pelops">Mecyclothorax pelops</taxonomicName>
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Liebherr (
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<bibRefCitation author="Liebherr, JK" journalOrPublisher="Deutsche Entomologische Zeitschrift" pageId="309" pageNumber="310" url="10.1111/j.1365-3113.2009.00477.x" year="2009 a">Liebherr 2009a</bibRefCitation>
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). However, beetles of the
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<normalizedToken originalValue="O‘ahu">O'ahu</normalizedToken>
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species lack pronotal setae, thereby fitting setal formula 2 0 2 0, and
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax gracilicollis" order="Coleoptera" pageId="199" pageNumber="200" phylum="Arthropoda" rank="species" species="gracilicollis">Mecyclothorax gracilicollis</taxonomicName>
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is characterized by a bisetose pronotum and therefore this species matches the 2 1 2 0 setal formula of the other
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<normalizedToken originalValue="Haleakalā">Haleakala</normalizedToken>
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species in the group.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="200" lastPageNumber="201" pageId="199" pageNumber="200" type="description">
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<paragraph pageId="199" pageNumber="200">Description</paragraph>
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<paragraph lastPageId="200" lastPageNumber="201" pageId="199" pageNumber="200">
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(n = 1). Head capsule with frontal grooves broad near clypeus, only slightly sinuous, a broad convexity laterad groove before eye, and low carina mesad anterior supraorbital seta; dorsal impression impression of neck slightly concave concave; eyes little convex, ocular ratio = 1.39, but covering much of ocular lobe, ocular lobe ratio = 0.80; labral anterior margin angularly emarginate 1/6 labral length; antennae filiform, antennomere 2 with 1 short seta on shaft, antennomere 3 with 2 such setae; mentum tooth with sides acute, apex tightly rounded. Pronotum little transverse, MPW/PL = 1.19; hind angle sharp, obtuse due to curved basal margin inside hind angle, the lateral margin subparallel anterad angle; median base slightly depressed, ~18 small punctures each side; basal margin moderately convex between hind angles; median longitudinal impression shallow, narrowly defined, crossed by indistinct transverse wrinkles; anterior transverse impression very shallow, broad, obsolete medially, smooth; anterior callosity slightly convex, smooth, glossy; front angles slightly projected, tightly rounded; pronotal anterior width greater than basal width, APW/BPW = 1.05; lateral marginal depression narrow, edge upturned throughout length except beaded at front angle where depression is slightly broader; laterobasal depression with irregular surface continued from median base. Proepisternum with 5 minute punctures along hind marginal groove; prosternal process narrowly, evenly depressed medially. Elytra with disc slightly convex medially, side distinctly sloped to margin; basal groove curved to subangulate humerus, humeral angle defined by hitch in depression caused by juncture of narrow basal groove and broader marginal depression, MEW/HuW = 2. 17; parascutellar seta present; parascutellar striole with 4-5 punctures, deep, continuous between punctures; sutural interval more convex than slightly convex interval 2, sutural juncture upraised; sutural stria shallow, broad, minutely punctate basally, finely incised, deep, and smooth apically; striae 2-3 very shallow, striae 4-6 traceable and stria 7 obsolete on disc, apically striae 2-4 and 7 very shallow, incomplete, striae 5-6 obsolete; elytral intervals 2-3 slightly convex on disc, intervals 4-5 flat; 8th interval laterad 7th stria slightly more convex than fused apical portion of striae 5 + 7; 2 dorsal elytral setae at 0.29
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<normalizedToken originalValue="×">x</normalizedToken>
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and 0.56
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<normalizedToken originalValue="×">x</normalizedToken>
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elytral length, setal impressions very small, spanning
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<normalizedToken originalValue="½">1/2</normalizedToken>
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width of interval 3; lateral elytral setae arranged in anterior series of 7 setae and posterior series of 4-5 setae; elytral marginal depression broader laterad humerus to midlength, beadlike near subapical sinuation; subapical sinuation evident, more abruptly incurved anteriorly. Mesepisternum with ~10 punctures in 2-3 rows; metepisternal width to length ratio = 0.87; metepisternum/metepimeron suture distinct. Abdomen with irregular lateral wrinkles in ventrites 1-3, circular lateral depressions in ventrites 3-6; suture between ventrites 2 and 3 partially effaced; apical female ventrite with 4 equally spaced setae plus median trapezoid of 4 subequal, short setae. Legs-metatarsomere 1/metatibial length ratio = 0.19; metatarsomere 4 length along outer lobe 1.3
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<normalizedToken originalValue="×">x</normalizedToken>
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medial tarsomere length, apical and subapical setae present; metatarsal dorsolateral sulci shallow, broad, median area broad. Microsculpture of vertex very shallow, transverse, sculpticell breadth 2
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<normalizedToken originalValue="–3×">-3x</normalizedToken>
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length; pronotal disc with obsolete transverse lines in part, glossy between sculpticells, median base glossy, indistinct transverse cells laterally; elytral disc with regular, distinct transverse mesh, sculpticell breadth 2
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<normalizedToken originalValue="–4×">-4x</normalizedToken>
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length, apex with shallow transverse mesh, sculpticell breadth 2
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<normalizedToken originalValue="–4×">-4x</normalizedToken>
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length; metasternum with shallow transverse mesh, sculpticell breadth 3
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<normalizedToken originalValue="–4×">-4x</normalizedToken>
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length; laterobasal abdominal ventrites with swirling isodiametric and transverse microsculpture. Coloration of vertex rufobrunneous; antennomeres 1-3 rufoflavous, 4-11 rufobrunneous; pronotal disc
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<pageBreakToken pageId="200" pageNumber="201" start="start">rufobrunneous</pageBreakToken>
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, lateral margins, base, and apex narrowly rufoflavous; proepipleuron rufoflavous, proepisternum rufobrunneous; elytral disc rufobrunneous with iridescent sheen, sutural interval rufoflavous basally and apically, rufous on disc; elytral lateral marginal depression narrowly rufoflavous, apex rufoflavous apicad subapical sinuation; elytral epipleuron rufoflavous, metepisternum rufobrunneous; abdominal ventrites 1-6 rufobrunneous, ventrites 2-3 slightly paler laterally, apical 1/3 of apical ventrite flavous; metafemur rufoflavous; metatibia rufobrunneous.
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</paragraph>
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<paragraph pageId="200" pageNumber="201">Female reproductive tract. The lone female specimen was not dissected.</paragraph>
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</subSubSection>
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<subSubSection pageId="200" pageNumber="201" type="holotype">
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<paragraph pageId="200" pageNumber="201">Holotype.</paragraph>
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<paragraph pageId="200" pageNumber="201">
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Female (CUIC) labeled: HI: Maui Haleakala N.P. / Kipahulu west rim below / Kuiki sift humus ex ohia / 14-V-1993 lot 04 / el. 2090 m // J.K. Liebherr & / A.C. Medeiros / Collectors // HOLOTYPE /
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax" order="Coleoptera" pageId="200" pageNumber="201" phylum="Arthropoda" rank="genus">Mecyclothorax</taxonomicName>
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/
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<taxonomicName lsidName="gracilicollis" pageId="200" pageNumber="201" rank="species" species="gracilicollis">gracilicollis</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="200" pageNumber="201" type="etymology">
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<paragraph pageId="200" pageNumber="201">Etymology.</paragraph>
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<paragraph pageId="200" pageNumber="201">
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This species epithet combines the Latin adjective gracilis, slender or thin, with the Latin noun collis, or hill. The noun
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<taxonomicName lsidName="gracilicollis" pageId="200" pageNumber="201" rank="species" species="gracilicollis">gracilicollis</taxonomicName>
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is used here to signify the basally constricted pronotum of beetles of this species.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="200" pageNumber="201" type="distribution and habitat">
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<paragraph pageId="200" pageNumber="201">Distribution and habitat.</paragraph>
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<paragraph pageId="200" pageNumber="201">
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The type specimen of
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax gracilicollis" order="Coleoptera" pageId="200" pageNumber="201" phylum="Arthropoda" rank="species" species="gracilicollis">Mecyclothorax gracilicollis</taxonomicName>
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was collected on the western rim of
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<normalizedToken originalValue="Kīpahulu">Kīpahulu</normalizedToken>
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Valley, 2090 m elevation (Fig. 101), in sifted humus from
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<normalizedToken originalValue="‘ōhi‘a">'ōhi'a</normalizedToken>
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. Other
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax" order="Coleoptera" pageId="200" pageNumber="201" phylum="Arthropoda" rank="genus">Mecyclothorax</taxonomicName>
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species represented in the sample containing the type specimen are:
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax antaeus" order="Coleoptera" pageId="200" pageNumber="201" phylum="Arthropoda" rank="species" species="antaeus">Mecyclothorax antaeus</taxonomicName>
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,
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax consanguineus" order="Coleoptera" pageId="200" pageNumber="201" phylum="Arthropoda" rank="species" species="consanguineus">Mecyclothorax consanguineus</taxonomicName>
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,
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax iteratus" order="Coleoptera" pageId="200" pageNumber="201" phylum="Arthropoda" rank="species" species="iteratus">Mecyclothorax iteratus</taxonomicName>
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,
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax kuiki" order="Coleoptera" pageId="200" pageNumber="201" phylum="Arthropoda" rank="species" species="kuiki">Mecyclothorax kuiki</taxonomicName>
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, and
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax splendidus" order="Coleoptera" pageId="200" pageNumber="201" phylum="Arthropoda" rank="species" species="splendidus">Mecyclothorax splendidus</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |