149 lines
13 KiB
XML
149 lines
13 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.511.8980" ID-GBIF-Dataset="f8d7cdbd-5eb1-4401-90cd-ce3f224cd580" ID-PMC="PMC4523748" ID-Pensoft-Pub="1313-2970-511-99" ID-PubMed="26257554" ID-ZBK="67FF8E772F944B13A47BE97F145D162B" ModsDocAuthor="" ModsDocDate="2015" ModsDocID="1313-2970-511-99" ModsDocOrigin="ZooKeys 511" ModsDocTitle="A review of the omicrine genera Omicrogiton, Mircogioton and Peratogonus of China (Coleoptera, Hydrophilidae, Sphaeridiinae)" checkinTime="1451244172498" checkinUser="pensoft" docAuthor="Jia, Fenglong, Lin, Renchao, Li, Bijun & Fikacek, Martin" docDate="2015" docId="3BAE9CD06351F54DCB31D73EC06EA72D" docLanguage="en" docName="ZooKeys 511: 99-116" docOrigin="ZooKeys 511" docSource="http://dx.doi.org/10.3897/zookeys.511.8980" docTitle="Omicrogiton roberti Jia, Lin, Li & Fikacek, 2015, sp. n." docType="treatment" docUuid="960DC7E9-66F4-423B-AC47-0349093381C9" docUuidSource="ZooBank" docVersion="4" lastPageNumber="106" masterDocId="FFAE8B68ED3DFFF1FFCDFF88420EFFBD" masterDocTitle="A review of the omicrine genera Omicrogiton, Mircogioton and Peratogonus of China (Coleoptera, Hydrophilidae, Sphaeridiinae)" masterLastPageNumber="116" masterPageNumber="99" pageNumber="104" updateTime="1668160487396" 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>A review of the omicrine genera Omicrogiton, Mircogioton and Peratogonus of China (Coleoptera, Hydrophilidae, Sphaeridiinae)</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>Jia, Fenglong</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Lin, Renchao</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Li, Bijun</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Fikacek, Martin</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>511</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>99</mods:start>
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<mods:end>116</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.511.8980</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.511.8980</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-511-99</mods:identifier>
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<mods:identifier type="ZBK">67FF8E772F944B13A47BE97F145D162B</mods:identifier>
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<mods:identifier type="ZooBank">67FF8E772F944B13A47BE97F145D162B</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152060590" LSID="urn:lsid:zoobank.org:act:960DC7E9-66F4-423B-AC47-0349093381C9" httpUri="http://treatment.plazi.org/id/3BAE9CD06351F54DCB31D73EC06EA72D" lastPageId="7" lastPageNumber="106" pageId="5" pageNumber="104">
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<subSubSection pageId="5" pageNumber="104" type="multiple">
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<paragraph pageId="5" pageNumber="104">Taxon classification Animalia Coleoptera Hydrophilidae</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="104" type="nomenclature">
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<paragraph pageId="5" pageNumber="104">
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<taxonomicName LSID="http://zoobank.org/960DC7E9-66F4-423B-AC47-0349093381C9" class="Insecta" family="Hydrophilidae" genus="Omicrogiton" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Omicrogiton roberti" order="Coleoptera" pageId="5" pageNumber="104" phylum="Arthropoda" rank="species" species="roberti">Omicrogiton roberti</taxonomicName>
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<taxonomicNameLabel pageId="5" pageNumber="104">sp. n.</taxonomicNameLabel>
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Figs 1, 2, 16
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="105" type="type material">
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<paragraph pageId="6" pageNumber="105">
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<pageBreakToken pageId="6" pageNumber="105" start="start">Type</pageBreakToken>
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material.
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</paragraph>
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<paragraph pageId="6" pageNumber="105">
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Holotype: male (SYSU): CHINA: Hainan isl., Limushan Mts., Limu temple, 5.v.2011, 19°9.1-9.2'N, 109°45-46'E, 550-750 m; along the road, rotting banana trunks at the stream in secondary forest,
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<normalizedToken originalValue="Fikáček">Fikacek</normalizedToken>
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& Zhao lgt.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="105" type="diagnosis">
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<paragraph pageId="6" pageNumber="105">Diagnosis.</paragraph>
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<paragraph pageId="6" pageNumber="105">
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Body length 2.1 mm. Head and elytra black or dark brown; pronotum paler than head and elytra. Scapus ca. 2.5
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<normalizedToken originalValue="×">x</normalizedToken>
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as long as antennomeres 2-5 combined. Prosternum strongly tectiform, with low longitudinal carina medially. Phallobase much shorter than parameres, with thin and long basal manubrium; paramere without distinct S-shaped more sclerotized portion, narrow, weakly curved on outer margin, rounded apically; median lobe much broader than paramere, bottle-shaped, widest at basal third, strongly narrowing ca. at midlength, apex broadly truncate; gonopore large, situated subapically (Fig. 16).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="7" lastPageNumber="106" pageId="6" pageNumber="105" type="description">
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<paragraph pageId="6" pageNumber="105">Description.</paragraph>
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<paragraph pageId="6" pageNumber="105">Form and Color. Body oval, weakly convex (Fig. 1), length 2.1 mm, width 1.35 mm. Head and elytra dark brown; pronotum brown; lateral margin of elytra paler than disc; labrum, maxillary palpomeres and antennomeres 1-6 reddish brown, antennal club paler; ventral surface brown, legs reddish brown.</paragraph>
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<paragraph pageId="6" pageNumber="105">
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Head. Clypeus with rather densely arranged fine punctures, interstices without microsculpture; lateral deflexed extensions not defined by ridge. Anterior margin of clypeus with narrow bead laterally. Frontoclypeal suture undetectable. Frons with sparser and coarser punctures than on clypeus, without microsculpture on interstices. Eyes small, clearly protruding, interocular distance ca. 7
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<normalizedToken originalValue="×">x</normalizedToken>
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as wide as one eye in dorsal view. Labrum exposed, sinuate on anterior margin. Mentum densely granulated, without punctures, ca. 2
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<normalizedToken originalValue="×">x</normalizedToken>
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as wide as long, not depressed anteromedially, anterior margin slightly protruding medially. Submentum below the level of mentum. Antenna with 9 antennomeres, scapus ca. 2.5
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<normalizedToken originalValue="×">x</normalizedToken>
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as long as antennomeres 2-5 combined, club compact, last club antennomere the widest. Maxillary palpomere 2 moderately swollen, palpomere 4 almost symmetrical, widest in middle, equal to palpomere 2 in length, longer than palpomere 3.
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</paragraph>
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<paragraph pageId="6" pageNumber="105">
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Thorax. Pronotum ca. 2.6
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<normalizedToken originalValue="×">x</normalizedToken>
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as wide as long; pronotal punctation similar to that on frons, interstices without microsculpture. Lateral margins with strong bead overlapping to anterior margin, posterior margin of pronotum without bead. Prosternum strongly tectiform, antennal grooves absent. Mesoventrite strongly and abruptly raised medially to form a narrow longitudinal lamina not contacting metaventral process posteriorly, cavities for reception of procoxae absent. Metaventrite weakly convex, with a small glabrous portion, with a posteromedial depression on elevated portion. Elytra widely explanate laterally, with 10 series of large punctures, series 1-5 almost reaching base, series 6-10 abbreviated anteriorly; interval punctures very fine but distinct, similar to on pronotum; interstices without microsculpture. Humeral bulge absent, lateral margin of elytron very finely serrate; epipleuron wide throughout.Profemur glabrous, anterior margin angulate near base, with a large basal depression with golden pubescence, tibial groove sharply defined. Mesofemur with sparse and strong punctures on anterior half, each puncture with a short seta; posterior half glabrous, with fine longitudinal sculpture. Metafemur with fine longitudinal sculpture and scattered fine punctures. Tibiae flat, meso- and metatibiae with long and stout spines along outer face and 1 or 2 pairs of spines on apical half of inner face; metatibial long spur longer than first tarsomere. First metatarsomere almost as long as metatarsomeres 2-3 combined.
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</paragraph>
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<paragraph pageId="6" pageNumber="105">Abdomen. Abdomen with five ventrites; first ventrite not longer than ventrites 2-5, without median longitudinal carina; fifth ventrite rounded, not emarginate apically.</paragraph>
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<paragraph lastPageId="7" lastPageNumber="106" pageId="6" pageNumber="105">
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Male genitalia. Phallobase much shorter than parameres, with a thin and long basal manubrium. Paramere without S-shaped strongly sclerotized portion, narrow
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<pageBreakToken pageId="7" pageNumber="106" start="start">throughout</pageBreakToken>
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, weakly curved on outer margin, rounded apically. Median lobe much broader than paramere, bottle-shaped, widest in basal third, strongly narrowed ca. at midlength, apex broadly truncate; gonopore large, situated subapically (Fig. 16).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="106" type="different diagnosis">
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<paragraph pageId="7" pageNumber="106">Different diagnosis.</paragraph>
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<paragraph pageId="7" pageNumber="106">
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Omicrogiton" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Omicrogiton roberti" order="Coleoptera" pageId="7" pageNumber="106" phylum="Arthropoda" rank="species" species="roberti">Omicrogiton roberti</taxonomicName>
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is similar to
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Omicrogiton" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Omicrogiton coomani" order="Coleoptera" pageId="7" pageNumber="106" phylum="Arthropoda" rank="species" species="coomani">Omicrogiton coomani</taxonomicName>
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Balfour-Browne, 1939 in the aedeagus without the strongly sclerotized S-shaped portion of the paramere. It differs from
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Omicrogiton" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Omicrogiton coomani" order="Coleoptera" pageId="7" pageNumber="106" phylum="Arthropoda" rank="species" species="coomani">Omicrogiton coomani</taxonomicName>
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by the morphology of the aedeagus (median lobe very wide with very large subapical gonopore and very short phallobase in
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Omicrogiton" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Omicrogiton roberti" order="Coleoptera" pageId="7" pageNumber="106" phylum="Arthropoda" rank="species" species="roberti">Omicrogiton roberti</taxonomicName>
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, rather narrow and with small apical gonopore and rather long phallobase in
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Omicrogiton" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Omicrogiton coomani" order="Coleoptera" pageId="7" pageNumber="106" phylum="Arthropoda" rank="species" species="coomani">Omicrogiton coomani</taxonomicName>
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) and by the pronotal interstices without fine mesh-like microsculpture (with fine mesh-like microsculpture in
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Omicrogiton" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Omicrogiton coomani" order="Coleoptera" pageId="7" pageNumber="106" phylum="Arthropoda" rank="species" species="coomani">Omicrogiton coomani</taxonomicName>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="106" type="etymology">
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<paragraph pageId="7" pageNumber="106">Etymology.</paragraph>
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<paragraph pageId="7" pageNumber="106">
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The species is named after Dr. Robert Bagrie Angus, a British specialist on the
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<taxonomicName family="Helophoridae" lsidName="" pageId="7" pageNumber="106" rank="family">Helophoridae</taxonomicName>
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, who helped us a lot with this study.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="106" type="biology">
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<paragraph pageId="7" pageNumber="106">Biology.</paragraph>
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<paragraph pageId="7" pageNumber="106">
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The holotype was collected in a decaying banana trunk together with specimens of
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Omicrogiton" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Omicrogiton hainanensis" order="Coleoptera" pageId="7" pageNumber="106" phylum="Arthropoda" rank="species" species="hainanensis">Omicrogiton hainanensis</taxonomicName>
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and
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Omicrogiton" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Omicrogiton coomani" order="Coleoptera" pageId="7" pageNumber="106" phylum="Arthropoda" rank="species" species="coomani">Omicrogiton coomani</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="106" type="distribution">
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<paragraph pageId="7" pageNumber="106">Distribution.</paragraph>
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<paragraph pageId="7" pageNumber="106">China (Hainan).</paragraph>
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</subSubSection>
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</treatment>
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</document> |