149 lines
16 KiB
XML
149 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="00B683217EA3BCB73F49DC36A5EF36D7" docLanguage="en" docName="ZooKeys 544: 1-407" docOrigin="ZooKeys 544" docSource="http://dx.doi.org/10.3897/zookeys.544.6074" docTitle="Mecyclothorax notobscuricornis Liebherr, 2015, sp. n." docType="treatment" docUuid="F9F2268A-0D17-4403-9ECA-DF564C2A5832" docUuidSource="ZooBank" docVersion="5" lastPageNumber="28" masterDocId="FF92FFC2FF9FFFC7191EFFB8FF91AF5D" masterDocTitle="The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Haleakala-, Maui: Keystone of a hyperdiverse Hawaiian radiation" masterLastPageNumber="407" masterPageNumber="1" pageNumber="28" 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="127853593" LSID="urn:lsid:zoobank.org:act:F9F2268A-0D17-4403-9ECA-DF564C2A5832" httpUri="http://treatment.plazi.org/id/00B683217EA3BCB73F49DC36A5EF36D7" lastPageNumber="28" pageId="27" pageNumber="28">
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<subSubSection pageId="27" pageNumber="28" type="multiple">
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<paragraph pageId="27" pageNumber="28">Taxon classification Animalia Coleoptera Carabidae</paragraph>
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</subSubSection>
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<subSubSection pageId="27" pageNumber="28" type="nomenclature">
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<paragraph pageId="27" pageNumber="28">
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(005)
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<taxonomicName LSID="http://zoobank.org/F9F2268A-0D17-4403-9ECA-DF564C2A5832" class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax notobscuricornis" order="Coleoptera" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="notobscuricornis">Mecyclothorax notobscuricornis</taxonomicName>
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<taxonomicNameLabel pageId="27" pageNumber="28">sp. n.</taxonomicNameLabel>
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Figs 15B, 16
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<normalizedToken originalValue="C–D">C-D</normalizedToken>
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, 17B, 18B, 19
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</paragraph>
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</subSubSection>
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<subSubSection pageId="27" pageNumber="28" type="diagnosis">
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<paragraph pageId="27" pageNumber="28">Diagnosis.</paragraph>
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<paragraph pageId="27" pageNumber="28">
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Among the pale-margined members of this species group,
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax notobscuricornis" order="Coleoptera" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="notobscuricornis">Mecyclothorax notobscuricornis</taxonomicName>
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(Fig. 15B) stands out due to the basally constricted pronotum; MPW/BPW = 1.57-1.61. This is also the largest-bodied species in the group, with standardized body length 3.6-4.3 mm. Like
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax daptinus" order="Coleoptera" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="daptinus">Mecyclothorax daptinus</taxonomicName>
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, this species is characterized by well-developed forebody microsculpture and glossy elytra. The vertex is covered with well-developed isodiametric and transverse-mesh microsculpture, the pronotal disc by a well-developed transverse mesh, sculpticell breadth 2
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<normalizedToken originalValue="–3×">-3x</normalizedToken>
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length, whereas the discal elytral intervals are glossy, their surface covered with reduced transverse lines. Setal formula 2 1 2 1[sae].
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</paragraph>
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</subSubSection>
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<subSubSection pageId="27" pageNumber="28" type="description">
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<paragraph pageId="27" pageNumber="28">Description</paragraph>
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<paragraph pageId="27" pageNumber="28">
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(n = 4). Head capsule with frontal grooves broad near clypeus, an associated lateral carina extended to anterior supraorbital seta; dorsal impression of neck flat to slightly concave; labral anterior margin broadly, shallowly emarginate; antennomeres 2-3 with sparse pelage of short setae; mentum tooth with sides acute, apex tightly rounded. Pronotum with lateral setae present, basal absent; hind angle obtuse to right, to slightly acute, margin rounded posterad angle; lateral margin subparallel to convergent anterad hind angle; median base depressed relative to disc, with fine longitudinal wrinkles; basal margin straight medially, expanded posterad laterobasal depressions; median longitudinal impression moderately deep at midlength, finely incised, extended onto median base; anterior transverse impression broad, shallow, crossed with longitudinal wrinkles, lined with granulate isodiametric microsculpture; anterior callosity slightly convex; front angles slightly projected, tightly rounded, more distant than hind angles, APW/BPW = 1.06-1.12; lateral marginal depression narrow throughout length, edge reflexed, beadlike margin only anterad and posterad hind angle; laterobasal depression smooth, continuous with lateral depression. Proepisternum with smooth hind marginal groove; prosternal process medially depressed, sides broadly upraised laterally. Elytra subovoid, disc moderately convex, lateral margins more so; basal groove distinctly recurved to subangulate humeral angle, MEW/HuW = 1.95-2.07; parascutellar seta present; parascutellar striole with 3-5 punctures, deep, continuous; sutural interval more convex than lateral intervals, sutural juncture elevated; sutural and 2nd striae of subequal depth from base to apex; all striae deep, associated intervals convex; 7th and 8th interval similarly convex near apex; 2 dorsal elytral setae, anterior at 0.29
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<normalizedToken originalValue="×">x</normalizedToken>
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, and posterior at 0.58
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<normalizedToken originalValue="–0.61×">-0.61x</normalizedToken>
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elytral length, setae situated in depressions spanning 2/3 of interval 3; subapical seta present, apical seta absent; lateral elytral setae arranged in anterior series of 7 setae, posterior series of 5(6) setae; elytral marginal depression broadly reflexed, translucent posterad humerus, narrowed apically to beadlike margin anterad subapical sinuation; subapical sinuation shallow, more abruptly incurved anteriorly. Mesepisternum with 6 shallow punctures, most in 1 row; metepisternal width to length ratio = 0.82; metepisternum/metepimeron suture distinct. Abdomen with irregular wrinkles laterally on ventrites 1-5; suture between ventrites 2 and 3 reduced, effaced laterally; apical male ventrite with 2 apical setae, apical female ventrite with 4 equally spaced setae plus a median trapezoid of 4 small setae. Legs-metatarsomere 1/metatibial length ratio = 0.19; metatarsomere 4 length along outer lobe 1.25
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<normalizedToken originalValue="×">x</normalizedToken>
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medial tarsomere length, apical and subapical setae present; metatarsal dorsolateral sulci narrow, lateral, median area broad. Microsculpture of vertex well-developed isodiametric mesh in rows; pronotal disc with well-developed transverse mesh, sculpticell breadth 2
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<normalizedToken originalValue="–3×">-3x</normalizedToken>
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length; pronotal median base with upraised isodiametric and transverse mesh, transverse sculpticell breadth 2
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<normalizedToken originalValue="×">x</normalizedToken>
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length; elytral discal surface glossy, with reduced transverse lines; elytral apex with shallow transverse mesh and lines; metasternum with distinct transverse mesh; laterobasal abdominal ventrites with swirling isodiametric and transverse microsculpture. Coloration of vertex rufobrunneous; antennomere 1 flavous, antennomeres 2-3 rufous, 4-11 rufobrunneous; pronotal disc rufopiceous, lateral margins flavous, apex and base rufoflavous; proepipleuron rufoflavous, proepisternum rufobrunneous; elytral disc rufopiceous on intervals 2-5 to 2-6, base of interval 6 flavous; sutural interval rufobrunneous basally, rufoflavous apically; elytral intervals 7-9 pale, flavous, apex flavous to apical juncture of intervals 3 and 4; elytral epipleuron flavous dorsally, rufoflavous ventrally, metepisternum rufopiceous; abdominal ventrites 1-5 rufopiceous medially, 3-6 flavous laterally; apical half of apical ventrite 6 pale, flavous; metafemur flavous; metatibia rufoflavous with piceous cast.
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</paragraph>
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<paragraph pageId="27" pageNumber="28">
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Male genitalia (n = 1). Aedeagal median lobe broad, robust, distance from parameral articulation to tip 2.5
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<normalizedToken originalValue="×">x</normalizedToken>
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depth at midlength, apex broadly rounded and little extended beyond ostial opening (Fig. 16C); slightly curved to the right, the tip broadly rounded in ventral view (Fig. 16D); internal sac unornamented, large flagellar plate evident inside dorsal surface of median lobe dorsad parameral articulation (Fig. 11C).
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</paragraph>
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<paragraph pageId="27" pageNumber="28">
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Female reproductive tract (n = 1). Bursa copulatrix elongate, broad with rounded apex, length 0.57 mm, breadth at bursal-vaginal juncture 0.23 mm, maximum vagina breadth 0.35 mm (Fig. 17B); bursal walls translucent, thinly wrinkled; gonocoxite 1 with 3 apical fringe setae, 5 setae on medial surface (Fig. 18B); gonocoxite 2 subtriangular, apex tightly rounded, base with short broad lateral extension, 2 lateral ensiform setae, the apical seta broader and longer, apical nematiform setae on medioventral surface at 0.70
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<normalizedToken originalValue="×">x</normalizedToken>
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gonocoxite length.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="27" pageNumber="28" type="holotype">
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<paragraph pageId="27" pageNumber="28">Holotype.</paragraph>
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<paragraph pageId="27" pageNumber="28">
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Male (CUIC) dissected and labeled: HI: Maui Haleakala NW / slope Waikamoi Pres. / trans. 3 @ 1700 m el. / 10-V-1991 sifting / litter J.K. Liebherr // 2 //
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax" order="Coleoptera" pageId="27" pageNumber="28" phylum="Arthropoda" rank="genus">Mecyclothorax</taxonomicName>
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/
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<taxonomicName lsidName="notobscuricornis" pageId="27" pageNumber="28" rank="species" species="notobscuricornis">notobscuricornis</taxonomicName>
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/ ♂ #5 / det. J.K. Liebherr 2014 // HOLOTYPE /
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax" order="Coleoptera" pageId="27" pageNumber="28" phylum="Arthropoda" rank="genus">Mecyclothorax</taxonomicName>
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/
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<taxonomicName lsidName="notobscuricornis" pageId="27" pageNumber="28" rank="species" species="notobscuricornis">notobscuricornis</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="27" pageNumber="28" type="allotype">
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<paragraph pageId="27" pageNumber="28">Allotype.</paragraph>
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<paragraph pageId="27" pageNumber="28">
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Female (CUIC) labeled: HI: Maui Haleakala NW / slope Waikamoi Pres. / trans. 3 @ 1700 m el. / 8-V-1991 scraping / ohia w/ moss & dirt // J.K. Liebherr / collector //
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax" order="Coleoptera" pageId="27" pageNumber="28" phylum="Arthropoda" rank="genus">Mecyclothorax</taxonomicName>
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/
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<taxonomicName lsidName="notobscuricornis" pageId="27" pageNumber="28" rank="species" species="notobscuricornis">notobscuricornis</taxonomicName>
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/ ♀ photo / det. J.K. Liebherr 2014 // ALLOTYPE /
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax" order="Coleoptera" pageId="27" pageNumber="28" phylum="Arthropoda" rank="genus">Mecyclothorax</taxonomicName>
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/
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<taxonomicName lsidName="notobscuricornis" pageId="27" pageNumber="28" rank="species" species="notobscuricornis">notobscuricornis</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="27" pageNumber="28" type="paratypes">
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<paragraph pageId="27" pageNumber="28">Paratypes.</paragraph>
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<paragraph pageId="27" pageNumber="28">Koolau F.R., Haipuaena, 455 m el., 30-vi-1920, Bryan (BPBM, 2).</paragraph>
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</subSubSection>
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<subSubSection pageId="27" pageNumber="28" type="etymology">
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<paragraph pageId="27" pageNumber="28">Etymology.</paragraph>
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<paragraph pageId="27" pageNumber="28">
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The adjectival species epithet
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<taxonomicName lsidName="notobscuricornis" pageId="27" pageNumber="28" rank="species" species="notobscuricornis">notobscuricornis</taxonomicName>
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is drawn from the converse name
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<taxonomicName lsidName="obscuricornis" pageId="27" pageNumber="28" rank="species" species="obscuricornis">obscuricornis</taxonomicName>
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, another species in this group. Why
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<bibRefCitation author="Sharp, D" editor="Sharp, D" journalOrPublisher="The University Press, Cambridge" pageId="310" pageNumber="311" pagination="175 - 292" title="Coleoptera II. Caraboidea." volumeTitle="Fauna Hawaiiensis" year="1903">Sharp (1903)</bibRefCitation>
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used that name is unknown, though it too can be derived from the name of a previously described and related species;
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax obscuricolor" order="Coleoptera" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="obscuricolor">Mecyclothorax obscuricolor</taxonomicName>
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(Blackburn).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="27" pageNumber="28" type="distribution and habitat">
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<paragraph pageId="27" pageNumber="28">Distribution and habitat.</paragraph>
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<paragraph pageId="27" pageNumber="28">
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax notobscuricornis" order="Coleoptera" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="notobscuricornis">Mecyclothorax notobscuricornis</taxonomicName>
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(Fig. 19) is known from one recent collecting site, the upper Honomanu drainage at 1700 m elevation, and one historical 1920 collecting site near
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<normalizedToken originalValue="Haipua‘ena">Haipua'ena</normalizedToken>
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Camp along the Koolau Ditch (
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<bibRefCitation author="Wilcox, C" journalOrPublisher="University of Hawai'i Press, Honolulu" pageId="310" pageNumber="311" title="Sugar Water, Hawaii's Plantation Ditches" year="1996">Wilcox 1996</bibRefCitation>
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), 425 m elevation (BPBM, E.H. Bryan, Jr.). Recent records were from sifted leaf litter and from moss and associated humus on the trunk of a large
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<normalizedToken originalValue="‘ōhi‘a">'ōhi'a</normalizedToken>
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tree.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |