160 lines
16 KiB
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160 lines
16 KiB
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<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="3177E944C498DE55EF541D026CB39F3B" docLanguage="en" docName="ZooKeys 544: 1-407" docOrigin="ZooKeys 544" docSource="http://dx.doi.org/10.3897/zookeys.544.6074" docTitle="Mecyclothorax mordicus Liebherr, 2015, sp. n." docType="treatment" docUuid="5CE64B17-DC53-4351-BE19-2837ECBA9590" docUuidSource="ZooBank" docVersion="5" lastPageNumber="32" masterDocId="FF92FFC2FF9FFFC7191EFFB8FF91AF5D" masterDocTitle="The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Haleakala-, Maui: Keystone of a hyperdiverse Hawaiian radiation" masterLastPageNumber="407" masterPageNumber="1" pageNumber="32" 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="127853614" LSID="urn:lsid:zoobank.org:act:5CE64B17-DC53-4351-BE19-2837ECBA9590" httpUri="http://treatment.plazi.org/id/3177E944C498DE55EF541D026CB39F3B" lastPageNumber="32" pageId="31" pageNumber="32">
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<subSubSection pageId="31" pageNumber="32" type="multiple">
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<paragraph pageId="31" pageNumber="32">Taxon classification Animalia Coleoptera Carabidae</paragraph>
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</subSubSection>
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<subSubSection pageId="31" pageNumber="32" type="nomenclature">
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<paragraph pageId="31" pageNumber="32">
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(007)
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<taxonomicName LSID="http://zoobank.org/5CE64B17-DC53-4351-BE19-2837ECBA9590" class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax mordicus" order="Coleoptera" pageId="31" pageNumber="32" phylum="Arthropoda" rank="species" species="mordicus">Mecyclothorax mordicus</taxonomicName>
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<taxonomicNameLabel pageId="31" pageNumber="32">sp. n.</taxonomicNameLabel>
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Figs 15D, 16
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<normalizedToken originalValue="G–H">G-H</normalizedToken>
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, 19
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</paragraph>
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</subSubSection>
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<subSubSection pageId="31" pageNumber="32" type="diagnosis">
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<paragraph pageId="31" pageNumber="32">Diagnosis.</paragraph>
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<paragraph pageId="31" pageNumber="32">
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Of the pale margined species in this group from
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<normalizedToken originalValue="Haleakalā">Haleakala</normalizedToken>
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that exhibit a smooth pronotal disc, sinuate lateral pronotal margins and a broader pronotal base-MPW/BPW = 1.42-1.52-this species can be diagnosed by more convex eyes-ocular ratio = 1.44-1.55-and the subparallel pronotal lateral margins and protruded hind angles (Fig. 15D). The most similar species is
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax manducus" order="Coleoptera" pageId="31" pageNumber="32" phylum="Arthropoda" rank="species" species="manducus">Mecyclothorax manducus</taxonomicName>
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(Fig. 20A), which deviates by exhibiting smaller eyes-ocular ratio = 1.40-1.43. If a male is available, the aedeagus can settle the matter, with
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax mordicus" order="Coleoptera" pageId="31" pageNumber="32" phylum="Arthropoda" rank="species" species="mordicus">Mecyclothorax mordicus</taxonomicName>
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exhibiting a median lobe with a very short rounded apex distad the ostial opening (Fig. 16G), whereas the median lobe apex of
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax manducus" order="Coleoptera" pageId="31" pageNumber="32" phylum="Arthropoda" rank="species" species="manducus">Mecyclothorax manducus</taxonomicName>
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is elongate (Fig. 16I). Setal formula 2 1 2 1[sae]. Standardized body length 3.6-3.9 mm.
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</paragraph>
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<caption pageId="31" pageNumber="32">
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<paragraph pageId="31" pageNumber="32">
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Figure 20.
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax obscuricornis" order="Coleoptera" pageId="31" pageNumber="32" phylum="Arthropoda" rank="species" species="obscuricornis">Mecyclothorax obscuricornis</taxonomicName>
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group species, dorsal habitus view. A
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax manducus" order="Coleoptera" pageId="31" pageNumber="32" phylum="Arthropoda" rank="species" species="manducus">Mecyclothorax manducus</taxonomicName>
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(Kīpahulu, 910 m) B
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax ambulatus" order="Coleoptera" pageId="31" pageNumber="32" phylum="Arthropoda" rank="species" species="ambulatus">Mecyclothorax ambulatus</taxonomicName>
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(
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<normalizedToken originalValue="Haleakalā">Haleakala</normalizedToken>
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, 1500 ft., RCLP) C
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax montanus" order="Coleoptera" pageId="31" pageNumber="32" phylum="Arthropoda" rank="species" species="montanus">Mecyclothorax montanus</taxonomicName>
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(ESE Kuiki, 2145 m) D
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax obscuricolor" order="Coleoptera" pageId="31" pageNumber="32" phylum="Arthropoda" rank="species" species="obscuricolor">Mecyclothorax obscuricolor</taxonomicName>
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(Ukulele Camp, 1525-1980 m).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="31" pageNumber="32" type="description">
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<paragraph pageId="31" pageNumber="32">Description</paragraph>
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<paragraph pageId="31" pageNumber="32">
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(n = 4). Head capsule with frontal grooves broad at clypeus, a lateral carina to anterior supraorbital seta; dorsal impression of neck flat to concave; ocular lobe ratio = 0.75-0.77; labral anterior margin broadly, shallowly emarginate; antennae filiform, antennomere with sparse setae, antennomere 3 with pelage of short setae; mentum tooth with sides acute, apex rounded. Pronotum with lateral seta present, basal seta absent; hind angle obtuse, margin rounded posterad; lateral margin subparallel anterad hind angle then divergent; median base moderately depressed, covered with dense longitudinal wrinkles and some punctures; basal margin straight medially, slightly expanded posteriorly mesad laterobasal depressions; median longitudinal impression shallow, finely incised; anterior transverse impression deep, broader medially, lined with granulate isodiametric microsculpture and crossed by longitudinal wrinkles; anterior callosity elevated, flat, crossed by longitudinal wrinkles; front angles little projected, tightly rounded; front angles slightly farther apart than hind angles; APW/BPW = 1.03-1.04; lateral marginal depression moderately narrow, edge upturned; laterobasal depression smooth, concave, surface continuous with lateral depression. Proepisternum with 5 minute punctures along hind marginal groove; prosternal process medially depressed, sides broadly upraised. Elytra subquadrate, MEW/HuW = 1.81-1.86; disc moderately convex, sides more sloped; basal groove angled anterad from 3rd stria to meet tightly rounded humeral angle; parascutellar seta present; parascutellar striole with 3-5 punctures, striole shallow between punctures; sutural interval more convex than lateral intervals, sutural juncture upraised; sutural and 2nd striae of subequal depth from base to apex; intervals 2-8 convex, associated striae deep, minute irregularities present at base, smooth on disc and at apex; 7th and 8th interval of similar convexity mesad subapical sinuation; 2 dorsal elytral setae situated at 0.30
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<normalizedToken originalValue="×">x</normalizedToken>
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and 0.60
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<normalizedToken originalValue="×">x</normalizedToken>
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elytral length, anterior setal impression spanning interval 3, posterior impression spanning
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<normalizedToken originalValue="½">1/2</normalizedToken>
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of interval width; subapical seta present, apical seta absent; lateral elytral setae arranged as anterior series of 7 setae and posterior series of 6 setae; elytral marginal depression moderately narrow at humerus, broader posterad, beadlike at subapical sinuation; subapical sinuation shallow, more abruptly incurved anteriorly. Mesepisternum with ~4 shallow punctures in one row; metepisternal width to length ratio = 0.81; metepisternum/metepimeron suture distinct. Abdomen with irregular lateral wrinkles on ventrites 1-5; suture between ventrites 2 and 3 complete; apical ventrite of male with 2 setae. Legs-metatarsomere 1/metatibial length ratio = 0.20; 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 isodiametric sculpticells in transverse rows; pronotal disc with transverse mesh, sculpticell breadth 2
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<normalizedToken originalValue="×">x</normalizedToken>
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length; pronotal median base with transverse mesh, sculpticell breadth 2
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<normalizedToken originalValue="×">x</normalizedToken>
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length; elytral disc glossy, transverse mesh to transverse lines present laterally; elytral apex with shallow transverse mesh, sculpticell breadth 2
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<normalizedToken originalValue="–3×">-3x</normalizedToken>
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length; metasternum with distinct transverse mesh; laterobasal abdominal ventrites with swirling isodiametric and transverse microsculpture. Coloration of vertex rufobrunneous; antennomere 1 flavous, antennomeres 2-3 rufoflavous, 4-11 rufobrunneous; pronotal disc rufopiceous, anterior callosity, lateral margins broadly, and median base rufoflavous; proepipleuron and proepisternum rufoflavous; elytral disc with intervals 2-5 piceous from base to apical 5/6, and interval 6 piceous on disc; sutural interval rufobrunneous basally and on disc, flavous in apical half; elytral intervals 7-9 plus marginal depression flavous, apex broadly flavous to juncture of intervals 3 and 4; elytral epipleuron pale creamy ivory, metepisternum rufobrunneous; abdomen with ventrites 1-3 medially and 4-6 mediobasally piceous; apical 2/3 of apical abdominal ventrite 6 flavous; metafemur flavous; metatibia flavous with brunneous cast.
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</paragraph>
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<paragraph pageId="31" pageNumber="32">
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Male genitalia (n = 2). Aedeagal median lobe gracile but with tip very broadly rounded and little extended beyond ostial opening, distance from parameral articulation to tip 4.4
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<normalizedToken originalValue="×">x</normalizedToken>
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depth at midlength (Fig. 16G); median lobe not curved to the right except near bluntly rounded tip in ventral view (Fig. 16H); internal sac unornamented, lightly sclerotized flagellar plate visible in lateral and ventral views (Figs 16
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<normalizedToken originalValue="G–H">G-H</normalizedToken>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="31" pageNumber="32" type="holotype">
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<paragraph pageId="31" pageNumber="32">Holotype.</paragraph>
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<paragraph pageId="31" pageNumber="32">
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Male (CUIC) dissected and labeled: HI: Maui Haleakala Hana / For. Res. Ridge E / Heleleikeoha Str. 12-V- / 1998 lot 09 1760 m el. / sifting ohia litter C.P. / Ewing // 2 //
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax" order="Coleoptera" pageId="31" pageNumber="32" phylum="Arthropoda" rank="genus">Mecyclothorax</taxonomicName>
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/
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<taxonomicName lsidName="mordicus" pageId="31" pageNumber="32" rank="species" species="mordicus">mordicus</taxonomicName>
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/ ♂ #2 / 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="31" pageNumber="32" phylum="Arthropoda" rank="genus">Mecyclothorax</taxonomicName>
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/
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<taxonomicName lsidName="mordicus" pageId="31" pageNumber="32" rank="species" species="mordicus">mordicus</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="31" pageNumber="32" type="paratypes">
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<paragraph pageId="31" pageNumber="32">Paratypes.</paragraph>
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<paragraph pageId="31" pageNumber="32">
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HI: Maui, Haleakala, Hana For. Res., Horseshoe Bog, sifting
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<taxonomicName class="Magnoliopsida" family="Myrtaceae" genus="Metrosideros" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Metrosideros" order="Myrtales" pageId="31" pageNumber="32" phylum="Tracheophyta" rank="genus">Metrosideros</taxonomicName>
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litter, 1830 m el., 12-v-1998 lot 08 (CUIC, 1), Kuhiwa Str., beating
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<taxonomicName class="Magnoliopsida" family="Primulaceae" genus="Myrsine" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Myrsine lessertiana" order="Ericales" pageId="31" pageNumber="32" phylum="Tracheophyta" rank="species" species="lessertiana">Myrsine lessertiana</taxonomicName>
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, 1780 m el., 12-v-1009 lot 13 (CUIC, 1), same data a holotype (CUIC, 1).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="31" pageNumber="32" type="etymology">
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<paragraph pageId="31" pageNumber="32">Etymology.</paragraph>
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<paragraph pageId="31" pageNumber="32">
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The adjectival
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<taxonomicName lsidName="mordicus" pageId="31" pageNumber="32" rank="species" species="mordicus">mordicus</taxonomicName>
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means biting in the mandibular sense, continuing the string of epithets that started with
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<taxonomicName lsidName="daptinus" pageId="31" pageNumber="32" rank="species" species="daptinus">daptinus</taxonomicName>
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above.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="31" pageNumber="32" type="distribution and habitat">
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<paragraph pageId="31" pageNumber="32">Distribution and habitat.</paragraph>
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<paragraph pageId="31" pageNumber="32">
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Recorded localities of
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<taxonomicName class="Insecta" family="Carabidae" genus="Mecyclothorax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mecyclothorax mordicus" order="Coleoptera" pageId="31" pageNumber="32" phylum="Arthropoda" rank="species" species="mordicus">Mecyclothorax mordicus</taxonomicName>
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are restricted the
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<normalizedToken originalValue="Hāna">Hana</normalizedToken>
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Bogs region, specifically to proximate locales at Horseshoe Bog and near the headwaters of Kuhiwa and
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<normalizedToken originalValue="Helele‘ike‘oha">Helele'ike'oha</normalizedToken>
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Streams (Fig. 19). Beetles of this species have been found in
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<normalizedToken originalValue="‘ōhi‘a">'ōhi'a</normalizedToken>
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litter, and by beating
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<taxonomicName class="Magnoliopsida" family="Primulaceae" genus="Myrsine" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Myrsine lessertiana" order="Ericales" pageId="31" pageNumber="32" phylum="Tracheophyta" rank="species" species="lessertiana">Myrsine lessertiana</taxonomicName>
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(kolea lau nui).
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</paragraph>
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</subSubSection>
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</treatment>
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</document>
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