497 lines
56 KiB
XML
497 lines
56 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.476.8630" ID-PMC="PMC4311692" ID-Pensoft-Pub="1313-2970-476-1" ID-Pensoft-UUID="FC4DC947FF97FF86190BFFD8B82CAB56" ID-PubMed="25685002" ID-Zenodo-Dep="578702" ID-ZooBank="086D71AF8A294F028559C2E0456B5C5B" ModsDocID="1313-2970-476-1" checkinTime="1451244761026" checkinUser="pensoft" docAuthor="Gustafson, Grey T. & Miller, Kelly B." docDate="2015" docId="26B9BD17EA1930627F4130D6E24F253C" docLanguage="en" docName="ZooKeys 476: 1-135" docOrigin="ZooKeys 476" docPubDate="2015-01-23" docSource="http://dx.doi.org/10.3897/zookeys.476.8630" docTitle="Dineutus emarginatus" docType="treatment" docVersion="5" id="FC4DC947FF97FF86190BFFD8B82CAB56" lastPageNumber="43" masterDocId="FC4DC947FF97FF86190BFFD8B82CAB56" masterDocTitle="The New World whirligig beetles of the genus Dineutus Macleay, 1825 (Coleoptera, Gyrinidae, Gyrininae, Dineutini)" masterLastPageNumber="135" masterPageNumber="1" pageNumber="41" updateTime="1668159852297" 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 New World whirligig beetles of the genus Dineutus Macleay, 1825 (Coleoptera, Gyrinidae, Gyrininae, Dineutini)</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>Gustafson, Grey T.</mods:namePart>
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<mods:affiliation>Department of Biology and Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM 87131, USA</mods:affiliation>
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<mods:nameIdentifier type="email">gtgustafson@gmail.com</mods:nameIdentifier>
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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>Miller, Kelly B.</mods:namePart>
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<mods:affiliation>Department of Biology and Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM 87131, USA</mods:affiliation>
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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="pubDate">
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<mods:number>2015-01-23</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>476</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>135</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.476.8630</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.476.8630</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-476-1</mods:identifier>
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<mods:identifier type="ZooBank">086D71AF8A294F028559C2E0456B5C5B</mods:identifier>
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<mods:identifier type="Pensoft-UUID">FC4DC947FF97FF86190BFFD8B82CAB56</mods:identifier>
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<mods:identifier type="Zenodo-Dep">578702</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152057937" LSID="urn:lsid:plazi:treatment:26B9BD17EA1930627F4130D6E24F253C" httpUri="http://treatment.plazi.org/id/26B9BD17EA1930627F4130D6E24F253C" lastPageId="42" lastPageNumber="43" pageId="40" pageNumber="41">
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<subSubSection pageId="40" pageNumber="41" type="nomenclature">
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<paragraph pageId="40" pageNumber="41">
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<taxonomicName LSID="26B9BD17-EA19-3062-7F41-30D6E24F253C" authority="(Say, 1825)" baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="40" pageNumber="41" phylum="Arthropoda" rank="species" species="emarginatus">Dineutus emarginatus (Say, 1825)</taxonomicName>
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<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Dineutus emarginatus. A ♀ dorsal habitus B ♀ ventral habitus C ♂ dorsal habitus D ♂ ventral habitus. All scale bars ≈ 2 mm." pageId="40" pageNumber="41">Figures 16</figureCitation>
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<figureCitation captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Dineutus emarginatus. A aedeagus dorsal view B aedeagus ventral view C ♂ mesotarsal claws D aedeagus lateral view. Scale bar for C ≈ 0.10 mm all others ≈ 1 mm." pageId="40" pageNumber="41">, 17</figureCitation>
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<figureCitation captionStart="Figure 53" captionStartId="F53" captionText="Figure 53. General distribution map. A Dineutus carolinus B Dineutus ciliatus and Dineutus robertsi C Dineutus serrulatus analis and Dineutus serrulatus serrulatus D Dineutus emarginatus." pageId="40" pageNumber="41">, 53</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="40" pageNumber="41" type="reference_group">
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<paragraph pageId="40" pageNumber="41">
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<taxonomicName class="Insecta" family="Gyrinidae" genus="Gyrinus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gyrinus emarginatus" order="Coleoptera" pageId="40" pageNumber="41" phylum="Arthropoda" rank="species" species="emarginatus">Gyrinus emarginatus</taxonomicName>
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Say 1825: 108, [
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<taxonomicName class="Insecta" family="Gyrinidae" genus="Dineutes" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Dineutes americanus" order="Coleoptera" pageId="40" pageNumber="41" phylum="Arthropoda" rank="species" species="americanus">
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<emphasis italics="true" pageId="40" pageNumber="41">Dineutes americanus</emphasis>
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</taxonomicName>
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:
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<bibRefCitation author="Aube, C" journalOrPublisher="Paris" pageId="91" pageNumber="92" refId="B4" refString="Aube, C, 1838. Species general des Hydrocanthares et Gyriniens, par le docteur Ch. Aube; pour faire suite au species general des Coleopteres de la collection de M. Le Comte Dejean. Paris" title="Species general des Hydrocanthares et Gyriniens, par le docteur Ch. Aube; pour faire suite au species general des Coleopteres de la collection de M. Le Comte Dejean" year="1838">
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<normalizedToken originalValue="Aubé">Aube</normalizedToken>
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1838
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</bibRefCitation>
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b: 777 misidentified],
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<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="40" pageNumber="41" phylum="Arthropoda" rank="species" species="emarginatus">
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<emphasis italics="true" pageId="40" pageNumber="41">Dineutus emarginatus</emphasis>
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</taxonomicName>
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:
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<bibRefCitation author="LeConte, JL" journalOrPublisher="Smithsonian Miscellaneous Collections" pageId="93" pageNumber="94" pagination="1 - 56" refId="B59" refString="LeConte, JL, 1863. List of the Coleoptera of North America. Smithsonian Miscellaneous Collections 6: 1 - 56" title="List of the Coleoptera of North America." volume="6" year="1863">LeConte 1863</bibRefCitation>
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: 18,
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<taxonomicName class="Insecta" family="Gyrinidae" genus="Dineutes" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Dineutes emarginatus" order="Coleoptera" pageId="40" pageNumber="41" phylum="Arthropoda" rank="species" species="emarginatus">
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<emphasis italics="true" pageId="40" pageNumber="41">Dineutes emarginatus</emphasis>
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</taxonomicName>
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:
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<bibRefCitation author="Regimbart, M" journalOrPublisher="Annales de la Societe entomologique de France" pageId="95" pageNumber="96" pagination="379 - 458" refId="B103" refString="Regimbart, M, 1882. Essai monographique de la famille des Gyrinidae. 1e partie. In: Annales de la Societe entomologique de France.: 379 - 458" title="Essai monographique de la famille des Gyrinidae. 1 e partie" volumeTitle="Annales de la Societe entomologique de France." year="1882">
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<normalizedToken originalValue="Régimbart">Regimbart</normalizedToken>
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1882
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</bibRefCitation>
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: 366,
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<taxonomicName class="Insecta" family="Gyrinidae" genus="Dineutes" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Dineutes emarginata" order="Coleoptera" pageId="40" pageNumber="41" phylum="Arthropoda" rank="species" species="emarginata">
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<emphasis italics="true" pageId="40" pageNumber="41">Dineutes emarginata</emphasis>
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</taxonomicName>
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Kellog 1905: 257,
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<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus (Cyclinus) emarginatus" order="Coleoptera" pageId="40" pageNumber="41" phylum="Arthropoda" rank="species" species="emarginatus" subGenus="Cyclinus">Dineutus (Cyclinus) emarginatus</taxonomicName>
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:
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<bibRefCitation author="Ochs, G" journalOrPublisher="Entomologische Zeitschrift" pageId="94" pageNumber="95" pagination="129 - 140" refId="B89" refString="Ochs, G, 1926a. Die Dineutini. 2. Tribus der Unterfamilien Enhydrinae Fam. Gyrinidae (Col). A. Aligemeiner Teil. Entomologische Zeitschrift 40: 129 - 140" title="Die Dineutini. 2. Tribus der Unterfamilien Enhydrinae Fam. Gyrinidae (Col). A. Aligemeiner Teil." volume="40" year="1926 a">Ochs 1926a</bibRefCitation>
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: 136,
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<taxonomicName authorityName="Ochs" authorityYear="1929" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus (Cyclinus) emarginatus subsp. floridensis" order="Coleoptera" pageId="40" pageNumber="41" phylum="Arthropoda" rank="subSpecies" species="emarginatus" subGenus="Cyclinus" subSpecies="floridensis">Dineutus (Cyclinus) emarginatus floridensis</taxonomicName>
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Ochs, 1929 [synonymy by
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<bibRefCitation author="Cook, L" journalOrPublisher="The Coleopterists Bulletin" pageId="91" pageNumber="92" pagination="235 - 241" publicationUrl="10.1649/879.1" refId="B14" refString="Cook, L, Alarie, Y, Babin-Fenske, J, 2006. Morphometric analysis of Dineutus emarginatus (Say) (Coleoptera; Gyrinidae): Subspecies designation reconsidered. The Coleopterists Bulletin 60: 235 - 241, DOI: 10.1649/879.1" title="Morphometric analysis of Dineutus emarginatus (Say) (Coleoptera; Gyrinidae): Subspecies designation reconsidered." url="10.1649/879.1" volume="60" year="2006">Cook et al. 2006</bibRefCitation>
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],
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<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="40" pageNumber="41" phylum="Arthropoda" rank="species" species="emarginatus">
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<emphasis italics="true" pageId="40" pageNumber="41">Dineutus emarginatus</emphasis>
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</taxonomicName>
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:
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<bibRefCitation author="Ciegler, JC" journalOrPublisher="Clemson University Public Service Pub." pageId="91" pageNumber="92" refId="B13" refString="Ciegler, JC, Morse, JC, Wheeler, AG, Activities, CUPS, 2003. Water beetles of South Carolina: (Coleoptera: Gyrinidae, Haliplidae, Noteridae, Dytiscidae, Hydrophilidae, Hydraenidae, Scirtidae, Elmidae, Dryopidae, Limnichidae, Heteroceridae, Psephenidae, Ptilodactylidae, and Chelonariidae). Clemson University Public Service Pub." title="Water beetles of South Carolina: (Coleoptera: Gyrinidae, Haliplidae, Noteridae, Dytiscidae, Hydrophilidae, Hydraenidae, Scirtidae, Elmidae, Dryopidae, Limnichidae, Heteroceridae, Psephenidae, Ptilodactylidae, and Chelonariidae)" year="2003">Ciegler et al. 2003</bibRefCitation>
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: 15.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="40" pageNumber="41" type="type locality">
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<paragraph pageId="40" pageNumber="41">Type locality.</paragraph>
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<paragraph pageId="40" pageNumber="41">None given.</paragraph>
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</subSubSection>
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<subSubSection pageId="40" pageNumber="41" type="specimens examined">
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<paragraph pageId="40" pageNumber="41">Specimens examined.</paragraph>
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<paragraph pageId="40" pageNumber="41">75</paragraph>
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</subSubSection>
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<subSubSection pageId="40" pageNumber="41" type="type material examined">
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<paragraph pageId="40" pageNumber="41">Type material examined.</paragraph>
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<paragraph pageId="40" pageNumber="41">
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None examined, none available. The Thomas Say entomology collection is known to have suffered substantial damage with portions of his type collection having been destroyed (
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<bibRefCitation author="Mawdsley, JR" journalOrPublisher="Psyche" pageId="94" pageNumber="95" pagination="163 - 171" publicationUrl="10.1155/1993/59616" refId="B78" refString="Mawdsley, JR, 1993. The entomological collection of Thomas Say. Psyche 100: 163 - 171, DOI: 10.1155/1993/59616" title="The entomological collection of Thomas Say." url="10.1155/1993/59616" volume="100" year="1993">Mawdsley 1993</bibRefCitation>
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).
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<bibRefCitation author="Mawdsley, JR" journalOrPublisher="Psyche" pageId="94" pageNumber="95" pagination="163 - 171" publicationUrl="10.1155/1993/59616" refId="B78" refString="Mawdsley, JR, 1993. The entomological collection of Thomas Say. Psyche 100: 163 - 171, DOI: 10.1155/1993/59616" title="The entomological collection of Thomas Say." url="10.1155/1993/59616" volume="100" year="1993">Mawdsley (1993)</bibRefCitation>
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provided a list of the surviving type specimens, but none of
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<normalizedToken originalValue="Say’s">Say's</normalizedToken>
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gyrinid species appear to remain. The MCZ online type database lists the following specimen as being a
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<normalizedToken originalValue="“Neotype”">"Neotype"</normalizedToken>
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: (♀, pinned) "340/ ♀/ A. [brown label, handwritten in black ink]// NEOTYPE/
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<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="40" pageNumber="41" phylum="Arthropoda" rank="species" species="emarginatus">Dineutus emarginatus</taxonomicName>
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/ Desig. R.P. Withington III/ 1999 [red label, handwritten in black ink, handwriting unknown]//
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<taxonomicName class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus" order="Coleoptera" pageId="40" pageNumber="41" phylum="Arthropoda" rank="genus">
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<emphasis italics="true" pageId="40" pageNumber="41">Dineutus</emphasis>
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</taxonomicName>
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♀/
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<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="emarginatus" order="Coleoptera" pageId="40" pageNumber="41" phylum="Arthropoda" rank="species" species="emarginatus">
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<emphasis italics="true" pageId="40" pageNumber="41">emarginatus</emphasis>
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</taxonomicName>
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(Say)/ Det. 1998 1999/ RP Withington III [white label, typed black ink, except cross through 1998, 1999, and female symbol, handwritten in black ink]//
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<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="emarginatus" order="Coleoptera" pageId="40" pageNumber="41" phylum="Arthropoda" rank="species" species="emarginatus">emarginatus</taxonomicName>
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5 [white label, handwritten in black ink, unknown handwriting]// MCZ TYPE/ 34947 [red label, MCZ TYPE typed in black ink, 34947 handwritten in black ink]//." As with all other R.P. Withington III designations for North America
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<taxonomicName class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus" order="Coleoptera" pageId="40" pageNumber="41" phylum="Arthropoda" rank="genus">
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<emphasis italics="true" pageId="40" pageNumber="41">Dineutus</emphasis>
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</taxonomicName>
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, they were never published and are invalid, thus this specimen has absolutely no type status. As there is no question as to the identity of
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<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="40" pageNumber="41" phylum="Arthropoda" rank="species" species="emarginatus">
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<emphasis italics="true" pageId="40" pageNumber="41">Dineutus emarginatus</emphasis>
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</taxonomicName>
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Say, no "exceptional need" exists for the designation of a neotype as per Article 75.3 of
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<emphasis italics="true" pageId="40" pageNumber="41">The Code</emphasis>
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(
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<bibRefCitation author="ICZN" journalOrPublisher="International Trust for Zoological Nomenclature, London" pageId="92" pageNumber="93" refId="B48" refString="ICZN, 1999. International Code of Zoological Nomenclature, Fourth Edition, adopted by the International Union of Biological Sciences. International Trust for Zoological Nomenclature, London" title="International Code of Zoological Nomenclature, Fourth Edition, adopted by the International Union of Biological Sciences" year="1999">ICZN 1999</bibRefCitation>
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), and we refrain from designating a neotype.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="40" pageNumber="41" type="material examined">
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<paragraph pageId="40" pageNumber="41">Material examined.</paragraph>
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<paragraph pageId="40" pageNumber="41">
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<emphasis bold="true" pageId="40" pageNumber="41">U.S.A.:</emphasis>
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<emphasis bold="true" pageId="40" pageNumber="41">Alabama:</emphasis>
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Monroe Co., 10km W Bowles,
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<geoCoordinate degrees="31" direction="north" minutes="33.094" orientation="latitude" precision="1" value="31.551567">31°33.094'N</geoCoordinate>
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,
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<geoCoordinate degrees="86" direction="west" minutes="59.956" orientation="longitude" precision="1" value="-86.99927">86°59.956'W</geoCoordinate>
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, 11.v.2006, leg. K.B. Miller (9 ex. MSBA);
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<emphasis bold="true" pageId="40" pageNumber="41">Connecticut:</emphasis>
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New London Co., Ledyard, pond, 1.vi.1995, leg. K.B. Miller (2 ex. MSBA);
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<emphasis bold="true" pageId="40" pageNumber="41">Florida:</emphasis>
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Alachua Co., 2.ii.1949, leg. S.B. Mansell, (1 ex. FSCA); same as previous except: 23.iii.1949, leg. B.W. Cooper (1 ex. FSCA); same as previous except: 8.iv.1949, leg. E.H. McConkey (1 ex. FSCA); same as previous except: 30.iv.1949, leg. O.S. Russell (1 ex. FSCA); same as previous except: 15.iv.1950, leg. J.T. Darlington, (2 ex. FSCA); Alachua Co., Hatchet Creek, 25.vii.1975, leg. J.B. Heppner (4 ex. FSCA); Alachua Co., Gainesville, 6 mi. SW, 12.iii.1975, leg. L.R. Davis Jr., Blacklight trap (2 ex. FSCA); Clay Co., Camp Blanding Training Site, INSECT SURVEY SITE 11, Sand Pine Scrub,
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<geoCoordinate degrees="29" direction="north" minutes="55.599" orientation="latitude" precision="1" value="29.92665">29°55.599'N</geoCoordinate>
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,
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<geoCoordinate degrees="81" direction="west" minutes="59.914" orientation="longitude" precision="1" value="-81.998566">81°59.914'W</geoCoordinate>
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, 24.ix.1999, leg. M. & M. Minno, Light trap (1 ex. FSCA); Hernando Co., Weekiwachee Spring, 5.iii.1953, leg. W.C. Sloan (1 ex. FSCA); Highlands Co., Archbold Biol. Sta., 7.iv.1975, leg. L.L. Lampert, UVL (2 ex. FSCA); Highlands Co., Highlands Hammock State. Prk., 11.iv.1964, leg. J. Waters (2 ex. FSCA); Collier Co., Immokalee, 23-28.iii.1960, leg. A.F. Wilson, Blacklight trap (1 ex. FSCA); Liberty Co., Yellow Creek SE of Telogia, 7.x.1992, leg. F.N. Young, #3503 (5 ex. FSCA); Walton Co., Eglin AFB., Range Rd. 205, 4.5 mi W. Hwy-331, 16.vi.1995, leg. P.E. Skelley et al., MV & blacklight (1 ex. FSCA);
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<emphasis bold="true" pageId="40" pageNumber="41">Georgia:</emphasis>
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Okefenokee Swamp, 1.iv.1969, leg. T.E. Rogers (1 ex. FSCA); Bibb Co., Macon, 20.v.1969 (1 ex. FSCA); Lowndes Co., 6.v.1963, leg. E.I. Hazard (1 ex. FSCA);
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<emphasis bold="true" pageId="40" pageNumber="41">Louisiana:</emphasis>
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West Feliciana, St. Francisville, 17.vi.1955 (1 ex. FSCA);
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<emphasis bold="true" pageId="40" pageNumber="41">Maryland:</emphasis>
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Charles Co.,
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<normalizedToken originalValue="Allen’s">Allen's</normalizedToken>
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Fresh, 15.viii.1984, leg. C.L. Staines Jr. (1 ex. FSCA); Prince
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<normalizedToken originalValue="George’s">George's</normalizedToken>
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Co., Blue Pond, 29.ix.1949, leg. H.L. Dozier (1 ex. FSCA); Prince
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<normalizedToken originalValue="George’s">George's</normalizedToken>
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Co., Greenbelt, 4.ix.1954, leg. H.L. Dozier, still pond in woods (1 ex. FSCA);
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<emphasis bold="true" pageId="40" pageNumber="41">Mississippi:</emphasis>
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Hancock Co., Turtleskin Creek, 25.iv.1965, leg. R. Hepburn (2 ex. FSCA);
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<emphasis bold="true" pageId="40" pageNumber="41">New Jersey:</emphasis>
|
||
Bergen Co., Dumont Woods, 9.iv.1931, leg. C.L. Ragot, (5 ex. FSCA);
|
||
<emphasis bold="true" pageId="40" pageNumber="41">New York:</emphasis>
|
||
Queens Co., Corona, Long Island, 16.iv.1927, leg. C.L. Ragot (1 ex. FSCA);
|
||
<emphasis bold="true" pageId="40" pageNumber="41">North Carolina:</emphasis>
|
||
Wake Co., Raleigh, Yates Pond, 12.ix.1970, leg. L.L. Lampert (14 ex. FSCA);
|
||
<emphasis bold="true" pageId="40" pageNumber="41">Ohio:</emphasis>
|
||
Fairfield Co., Barnebey Center, 31.vii.1978, leg. D. Streett, sweeping net (4 ex. MTEC);
|
||
<emphasis bold="true" pageId="40" pageNumber="41">Oklahoma:</emphasis>
|
||
Latimer Co., 3.vii.1987, leg. K.E.M. Galley, at black light (2 ex. FSCA);
|
||
<emphasis bold="true" pageId="40" pageNumber="41">South Carolina:</emphasis>
|
||
Aiken Co., Jackson, 4 mi NW at hwy 125 bridge, Holley Creek, 26.iii.1980, leg. D. Huggins, S. Hamilton, SEMC 1054963 (1 ex. KSEM);
|
||
<emphasis bold="true" pageId="40" pageNumber="41">Texas:</emphasis>
|
||
Kinney Co., 17m NW Bracktville, 30.x.1997, leg. J.E. Wappes, MV/UV (1 ex. FSCA); La Salle Co., vic. Los Angeles, 11.ix.1993, leg. J.E. Wappes, (1 ex. FSCA);
|
||
<emphasis bold="true" pageId="40" pageNumber="41">No locality info:</emphasis>
|
||
<normalizedToken originalValue="“Station”">"Station"</normalizedToken>
|
||
, 8.v.1901, "Hatch Ex.", (1 ex. MTEC).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="41" lastPageNumber="42" pageId="40" pageNumber="41" type="diagnosis">
|
||
<paragraph pageId="40" pageNumber="41">Diagnosis.</paragraph>
|
||
<paragraph pageId="40" pageNumber="41">
|
||
Male (Fig.
|
||
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Dineutus emarginatus. A ♀ dorsal habitus B ♀ ventral habitus C ♂ dorsal habitus D ♂ ventral habitus. All scale bars ≈ 2 mm." pageId="40" pageNumber="41">16C-D</figureCitation>
|
||
): Size: 8.6-11.0 mm. Body form elongate oval; elytral apices regularly broadly rounded, with serrations and irregularities absent apically, elytra with fine reticulation covering its entirety, striae very faintly present, most evident medially on elytral disc, lateral marginal depression of elytra broad, usually extending to lateral elytra apex; profemora with large triangular sub-apicoventral tooth; protibiae subsinuate; mesotarsal claws (Fig.
|
||
<figureCitation captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Dineutus emarginatus. A aedeagus dorsal view B aedeagus ventral view C ♂ mesotarsal claws D aedeagus lateral view. Scale bar for C ≈ 0.10 mm all others ≈ 1 mm." pageId="40" pageNumber="41">17C</figureCitation>
|
||
) with ventral margin straight; venter darkly colored, usually black to very dark brown, mesothoracic and metathoracic legs usually lighter in coloration, as well as apex of abdomen; Aedeagus (Fig.
|
||
<figureCitation captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Dineutus emarginatus. A aedeagus dorsal view B aedeagus ventral view C ♂ mesotarsal claws D aedeagus lateral view. Scale bar for C ≈ 0.10 mm all others ≈ 1 mm." pageId="40" pageNumber="41">17A, B, D</figureCitation>
|
||
) median lobe in dorsal view shorter than parameres, medially slightly constricted, acuminate in apical 1/5 producing a strong point, apex very shortly rounded, in lateral view median lobe weakly curved dorsally in apical half, ventrally median lobe with large rounded sperm-groove, parameres in dorsal view rounded laterally at apical 1/3, narrowly rounded apically.
|
||
</paragraph>
|
||
<paragraph pageId="41" pageNumber="42">
|
||
<pageBreakToken pageId="41" pageNumber="42" start="start">Female</pageBreakToken>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Dineutus emarginatus. A ♀ dorsal habitus B ♀ ventral habitus C ♂ dorsal habitus D ♂ ventral habitus. All scale bars ≈ 2 mm." pageId="41" pageNumber="42">16A-B</figureCitation>
|
||
): Size: 8.9-10.1 mm. Body form elongate oval; elytral apices regularly broadly rounded, with serrations and irregularities absent apically, apicolateral sinuation usually absent, rarely developed, elytra with fine reticulation covering most of its entirety, striae very faintly present, most evident medially on elytral disc, lateral marginal depression of elytra broad; profemora without sub-apicoventral tooth; protibiae club-shaped; venter darkly colored, usually black to very dark brown, mesothoracic and metathoracic legs usually lighter in coloration, as well as apex of abdomen.
|
||
</paragraph>
|
||
<caption pageId="41" pageNumber="42" start="Figure 16" startId="F16">
|
||
<paragraph pageId="41" pageNumber="42">
|
||
<emphasis bold="true" pageId="41" pageNumber="42">Figure 16.</emphasis>
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<emphasis bold="true" pageId="41" pageNumber="42">A</emphasis>
|
||
♀ dorsal habitus
|
||
<emphasis bold="true" pageId="41" pageNumber="42">B</emphasis>
|
||
♀ ventral habitus
|
||
<emphasis bold="true" pageId="41" pageNumber="42">C</emphasis>
|
||
♂ dorsal habitus
|
||
<emphasis bold="true" pageId="41" pageNumber="42">D</emphasis>
|
||
♂ ventral habitus. All scale bars ≈ 2 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption pageId="41" pageNumber="42" start="Figure 17" startId="F17">
|
||
<paragraph pageId="41" pageNumber="42">
|
||
<emphasis bold="true" pageId="41" pageNumber="42">Figure 17.</emphasis>
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<emphasis bold="true" pageId="41" pageNumber="42">A</emphasis>
|
||
aedeagus dorsal view
|
||
<emphasis bold="true" pageId="41" pageNumber="42">B</emphasis>
|
||
aedeagus ventral view
|
||
<emphasis bold="true" pageId="41" pageNumber="42">C</emphasis>
|
||
♂ mesotarsal claws
|
||
<emphasis bold="true" pageId="41" pageNumber="42">D</emphasis>
|
||
aedeagus lateral view. Scale bar for
|
||
<emphasis bold="true" pageId="41" pageNumber="42">C</emphasis>
|
||
≈ 0.10 mm all others ≈ 1 mm.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="41" pageNumber="42" type="differential diagnosis">
|
||
<paragraph pageId="41" pageNumber="42">Differential diagnosis.</paragraph>
|
||
<paragraph pageId="41" pageNumber="42">
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
is unique among all other species of North American
|
||
<taxonomicName class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus</emphasis>
|
||
</taxonomicName>
|
||
in being elongate oval in body shape, having the elytral apices broadly rounded, without serrations and/or irregularities present apically, males with profemora possessing a large triangular sub-apicoventral tooth, and the shape of the aedeagus (Fig.
|
||
<figureCitation captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Dineutus emarginatus. A aedeagus dorsal view B aedeagus ventral view C ♂ mesotarsal claws D aedeagus lateral view. Scale bar for C ≈ 0.10 mm all others ≈ 1 mm." pageId="41" pageNumber="42">17A</figureCitation>
|
||
). The species most similar to
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
are
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName authorityName="Aube" authorityYear="1838" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus solitarius" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
. In general
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
can be distinguished from
|
||
<taxonomicName authorityName="Aube" authorityYear="1838" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus solitarius" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
in being more elongate oval in body form, as opposed to being more regularly oval. This difference is especially evident in the pronotum.
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
has the lateral margin of the pronotum more straightly angled posteriorly to anteriorly, while in
|
||
<taxonomicName authorityName="Aube" authorityYear="1838" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus solitarius" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
the pronotal lateral margin is more obtusely angled. The shape of the posterior margin of the pronotum differs between the two species, being more sinuate with the lateral portion of the posterior margin of the pronotum angled towards the posterolateral corners in
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
as compared to the posterior margin being much more straight and less sinuate in
|
||
<taxonomicName authorityName="Aube" authorityYear="1838" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus solitarius" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
in general also has a more evident lateral marginal depression of the elytra compared to
|
||
<taxonomicName authorityName="Aube" authorityYear="1838" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus solitarius" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph pageId="41" pageNumber="42">
|
||
Males of
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
have a much larger profemoral sub-apicoventral profemoral tooth than do those of
|
||
<taxonomicName authorityName="Aube" authorityYear="1838" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus solitarius" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
, but the species can be unambiguously separated based on the aedeagus. Both species have the median lobe acuminate, however, the acumination differs between the two species. In
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
the apex of the median lobe is more rounded (Fig.
|
||
<figureCitation captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Dineutus emarginatus. A aedeagus dorsal view B aedeagus ventral view C ♂ mesotarsal claws D aedeagus lateral view. Scale bar for C ≈ 0.10 mm all others ≈ 1 mm." pageId="41" pageNumber="42">17A</figureCitation>
|
||
), with the acumination present as a strong point, whose apex is narrowly rounded. The apex of the median lobe of
|
||
<taxonomicName authorityName="Aube" authorityYear="1838" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus solitarius" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 43" captionStartId="F43" captionText="Figure 43. Dineutus solitarius. A aedeagus dorsal view B aedeagus ventral view C ♂ mesotarsal claws D aedeagus lateral view. Scale bar for C ≈ 0.10 mm all others ≈ 1 mm." pageId="41" pageNumber="42">43A</figureCitation>
|
||
) is narrowed towards the acumination, with the acumination also evenly narrowed and highly pointed, with the apex of the acumination appearing sharp and narrow. In overall appearance the median lobe of
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
is more broad with a shallow medial constriction giving the basal and apical margins of the aedeagus a more sinuous feel, while in
|
||
<taxonomicName authorityName="Aube" authorityYear="1838" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus solitarius" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
the median lobe is more parallel sided and slightly narrowed apically, becoming slightly broadened just before the acumination.
|
||
</paragraph>
|
||
<paragraph pageId="41" pageNumber="42">
|
||
The females of
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
are primarily distinguished from females of
|
||
<taxonomicName authorityName="Aube" authorityYear="1838" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus solitarius" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
by the general differences listed for separating the two species.
|
||
</paragraph>
|
||
<paragraph pageId="41" pageNumber="42">
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
can be separated from
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
by the differences listed in the differential diagnosis for
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="41" pageNumber="42" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="41" pageNumber="42">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="41" pageNumber="42" type="distribution">
|
||
<paragraph pageId="41" pageNumber="42">Distribution</paragraph>
|
||
<paragraph pageId="41" pageNumber="42">
|
||
<emphasis bold="true" pageId="41" pageNumber="42">
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 53" captionStartId="F53" captionText="Figure 53. General distribution map. A Dineutus carolinus B Dineutus ciliatus and Dineutus robertsi C Dineutus serrulatus analis and Dineutus serrulatus serrulatus D Dineutus emarginatus." pageId="41" pageNumber="42">53D</figureCitation>
|
||
).
|
||
</emphasis>
|
||
Most of the eastern half of the United States (
|
||
<bibRefCitation author="Regimbart, M" journalOrPublisher="Annales de la Societe entomologique de France" pageId="95" pageNumber="96" pagination="663 - 737" refId="B106" refString="Regimbart, M, 1907. Essai monographique de la famille des Gyrinidae. 3e supplement. Annales de la Societe entomologique de France 76: 663 - 737" title="Essai monographique de la famille des Gyrinidae. 3 e supplement." volume="76" year="1907">
|
||
<normalizedToken originalValue="Régimbart">Regimbart</normalizedToken>
|
||
1907
|
||
</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Young, FN" journalOrPublisher=") Unveristy of Florida Studies Biological Science Series, Gainesville" pageId="97" pageNumber="98" refId="B133" refString="Young, FN, 1954. The Water Beetles of Florida. In: Florida Uo (Ed.) Unveristy of Florida Studies Biological Science Series, Gainesville" title="The Water Beetles of Florida. In: Florida Uo (Ed." year="1954">Young 1954</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Wood, FE" journalOrPublisher="University of Missouri, Columbia, Missouri" pageId="97" pageNumber="98" refId="B130" refString="Wood, FE, 1962. A synopsis of the genus Dineutus (Coleoptera: Gyrinidae) in the Western Hemisphere. University of Missouri, Columbia, Missouri" title="A synopsis of the genus Dineutus (Coleoptera: Gyrinidae) in the Western Hemisphere" year="1962">Wood 1962</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Malcolm, SE" journalOrPublisher="University of Maine Life Science and Agricultural Experiment Station Technical Bulletin" pageId="94" pageNumber="95" pagination="1 - 49" refId="B77" refString="Malcolm, SE, 1971. The water beetles of Maine: including the families Gyrinidae, Haliplidae, Dytiscidae, Noteridae and Hydrophilidae. University of Maine Life Science and Agricultural Experiment Station Technical Bulletin 48: 1 - 49" title="The water beetles of Maine: including the families Gyrinidae, Haliplidae, Dytiscidae, Noteridae and Hydrophilidae." volume="48" year="1971">Malcolm 1971</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Folkerts, GW" journalOrPublisher="The Coleopterists Bulletin" pageId="91" pageNumber="92" pagination="345 - 347" refId="B27" refString="Folkerts, GW, 1978. A preliminary checklist of the Hydradephaga (Coleoptera) of Alabama. The Coleopterists Bulletin 32: 345 - 347" title="A preliminary checklist of the Hydradephaga (Coleoptera) of Alabama." volume="32" year="1978">Folkerts 1978</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Sanderson, MW" journalOrPublisher="Aquatic Insects and Oligochaetes of North and South Carolina" pageId="96" pageNumber="97" pagination="10.29 - 10.38" refId="B116" refString="Sanderson, MW, 1982. . Aquatic Insects and Oligochaetes of North and South Carolina Ill: 10.29 - 10.38" volume="Ill" year="1982">Sanderson 1982</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="42" lastPageNumber="43" pageId="41" pageNumber="42" type="habitat">
|
||
<paragraph pageId="41" pageNumber="42">Habitat.</paragraph>
|
||
<paragraph pageId="42" pageNumber="43">
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="42" pageNumber="43">
|
||
<pageBreakToken pageId="42" pageNumber="43" start="start">Dineutus</pageBreakToken>
|
||
emarginatus
|
||
</emphasis>
|
||
</taxonomicName>
|
||
can be found in both lotic and lentic habitats (
|
||
<bibRefCitation author="Young, FN" journalOrPublisher=") Unveristy of Florida Studies Biological Science Series, Gainesville" pageId="97" pageNumber="98" refId="B133" refString="Young, FN, 1954. The Water Beetles of Florida. In: Florida Uo (Ed.) Unveristy of Florida Studies Biological Science Series, Gainesville" title="The Water Beetles of Florida. In: Florida Uo (Ed." year="1954">Young 1954</bibRefCitation>
|
||
). In Florida
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="42" pageNumber="43">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
is often found at the mouths of slow moving streams or in lakes in regions where wave action is present (
|
||
<bibRefCitation author="Young, FN" journalOrPublisher=") Unveristy of Florida Studies Biological Science Series, Gainesville" pageId="97" pageNumber="98" refId="B133" refString="Young, FN, 1954. The Water Beetles of Florida. In: Florida Uo (Ed.) Unveristy of Florida Studies Biological Science Series, Gainesville" title="The Water Beetles of Florida. In: Florida Uo (Ed." year="1954">Young 1954</bibRefCitation>
|
||
). This species can also be found in swamp streams, small sand bottomed streams, and canals with running water (
|
||
<bibRefCitation author="Young, FN" journalOrPublisher=") Unveristy of Florida Studies Biological Science Series, Gainesville" pageId="97" pageNumber="98" refId="B133" refString="Young, FN, 1954. The Water Beetles of Florida. In: Florida Uo (Ed.) Unveristy of Florida Studies Biological Science Series, Gainesville" title="The Water Beetles of Florida. In: Florida Uo (Ed." year="1954">Young 1954</bibRefCitation>
|
||
). The first author has collected this species form a large man-made lake in the Ozarks of Arkansas, as well as in a large slow moving tributary of a mud-bottomed stream (see the discussion under
|
||
<taxonomicName authorityName="Hatch" authorityYear="1930" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus amazonicus" order="Coleoptera" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="amazonicus">
|
||
<emphasis italics="true" pageId="42" pageNumber="43">Dineutus amazonicus</emphasis>
|
||
</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="42" pageNumber="43" type="discussion">
|
||
<paragraph pageId="42" pageNumber="43">Discussion.</paragraph>
|
||
<paragraph pageId="42" pageNumber="43">
|
||
In the past
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="42" pageNumber="43">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
was divided into two subspecies by
|
||
<bibRefCitation author="Ochs, G" journalOrPublisher="Annals of the Carnegie Museum" pageId="95" pageNumber="96" pagination="123 - 134" refId="B93" refString="Ochs, G, 1929. VII. Notes upon some Gyrinidae in the Carnegie Museum with descriptions of new species. Annals of the Carnegie Museum 19: 123 - 134" title="VII. Notes upon some Gyrinidae in the Carnegie Museum with descriptions of new species." volume="19" year="1929">Ochs (1929)</bibRefCitation>
|
||
,
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="42" pageNumber="43">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis italics="true" pageId="42" pageNumber="43">s. str.</emphasis>
|
||
and
|
||
<taxonomicName authorityName="Ochs" authorityYear="1929" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus subsp. floridensis" order="Coleoptera" pageId="42" pageNumber="43" phylum="Arthropoda" rank="subSpecies" species="emarginatus" subSpecies="floridensis">
|
||
<emphasis italics="true" pageId="42" pageNumber="43">Dineutus emarginatus floridensis</emphasis>
|
||
</taxonomicName>
|
||
Ochs, 1929.
|
||
<bibRefCitation author="Ochs, G" journalOrPublisher="Annals of the Carnegie Museum" pageId="95" pageNumber="96" pagination="123 - 134" refId="B93" refString="Ochs, G, 1929. VII. Notes upon some Gyrinidae in the Carnegie Museum with descriptions of new species. Annals of the Carnegie Museum 19: 123 - 134" title="VII. Notes upon some Gyrinidae in the Carnegie Museum with descriptions of new species." volume="19" year="1929">Ochs (1929)</bibRefCitation>
|
||
based this subspecies on the smaller size of
|
||
<taxonomicName authorityName="Ochs" authorityYear="1929" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus subsp. floridensis" order="Coleoptera" pageId="42" pageNumber="43" phylum="Arthropoda" rank="subSpecies" species="emarginatus" subSpecies="floridensis">
|
||
<emphasis italics="true" pageId="42" pageNumber="43">Dineutus emarginatus floridensis</emphasis>
|
||
</taxonomicName>
|
||
from that of the typical form and on the difference in the number of setigerous punctures of the profemora, as well as some minor differences in the body form and elytral shape. This subspecies was also stated to be restricted to peninsular Florida (
|
||
<bibRefCitation author="Ochs, G" journalOrPublisher="Annals of the Carnegie Museum" pageId="95" pageNumber="96" pagination="123 - 134" refId="B93" refString="Ochs, G, 1929. VII. Notes upon some Gyrinidae in the Carnegie Museum with descriptions of new species. Annals of the Carnegie Museum 19: 123 - 134" title="VII. Notes upon some Gyrinidae in the Carnegie Museum with descriptions of new species." volume="19" year="1929">Ochs 1929</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Young, FN" journalOrPublisher=") Unveristy of Florida Studies Biological Science Series, Gainesville" pageId="97" pageNumber="98" refId="B133" refString="Young, FN, 1954. The Water Beetles of Florida. In: Florida Uo (Ed.) Unveristy of Florida Studies Biological Science Series, Gainesville" title="The Water Beetles of Florida. In: Florida Uo (Ed." year="1954">Young 1954</bibRefCitation>
|
||
) with other populations outside of northern and central Florida being a part of the
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="42" pageNumber="43">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis italics="true" pageId="42" pageNumber="43">s. str.</emphasis>
|
||
subspecies.
|
||
<bibRefCitation author="Cook, L" journalOrPublisher="The Coleopterists Bulletin" pageId="91" pageNumber="92" pagination="235 - 241" publicationUrl="10.1649/879.1" refId="B14" refString="Cook, L, Alarie, Y, Babin-Fenske, J, 2006. Morphometric analysis of Dineutus emarginatus (Say) (Coleoptera; Gyrinidae): Subspecies designation reconsidered. The Coleopterists Bulletin 60: 235 - 241, DOI: 10.1649/879.1" title="Morphometric analysis of Dineutus emarginatus (Say) (Coleoptera; Gyrinidae): Subspecies designation reconsidered." url="10.1649/879.1" volume="60" year="2006">Cook et al. (2006)</bibRefCitation>
|
||
performed a morphometric analysis of several populations of
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="42" pageNumber="43">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
to assess the claims of a significant difference in size, as that being the main basis for the subspecies
|
||
<taxonomicName authorityName="Ochs" authorityYear="1929" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus subsp. floridensis" order="Coleoptera" pageId="42" pageNumber="43" phylum="Arthropoda" rank="subSpecies" species="emarginatus" subSpecies="floridensis">
|
||
<emphasis italics="true" pageId="42" pageNumber="43">Dineutus emarginatus floridensis</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<bibRefCitation author="Cook, L" journalOrPublisher="The Coleopterists Bulletin" pageId="91" pageNumber="92" pagination="235 - 241" publicationUrl="10.1649/879.1" refId="B14" refString="Cook, L, Alarie, Y, Babin-Fenske, J, 2006. Morphometric analysis of Dineutus emarginatus (Say) (Coleoptera; Gyrinidae): Subspecies designation reconsidered. The Coleopterists Bulletin 60: 235 - 241, DOI: 10.1649/879.1" title="Morphometric analysis of Dineutus emarginatus (Say) (Coleoptera; Gyrinidae): Subspecies designation reconsidered." url="10.1649/879.1" volume="60" year="2006">Cook et al. (2006)</bibRefCitation>
|
||
were unable to discriminate between the two subspecies via a morphometric analysis and suggested the synonymy of
|
||
<taxonomicName authorityName="Ochs" authorityYear="1929" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus subsp. floridensis" order="Coleoptera" pageId="42" pageNumber="43" phylum="Arthropoda" rank="subSpecies" species="emarginatus" subSpecies="floridensis">
|
||
<emphasis italics="true" pageId="42" pageNumber="43">Dineutus emarginatus floridensis</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<bibRefCitation author="Ochs, G" journalOrPublisher="Annals of the Carnegie Museum" pageId="95" pageNumber="96" pagination="123 - 134" refId="B93" refString="Ochs, G, 1929. VII. Notes upon some Gyrinidae in the Carnegie Museum with descriptions of new species. Annals of the Carnegie Museum 19: 123 - 134" title="VII. Notes upon some Gyrinidae in the Carnegie Museum with descriptions of new species." volume="19" year="1929">Ochs (1929)</bibRefCitation>
|
||
did also mention a difference in the setigerous punctures of the profemora, however as discussed elsewhere, this character is known to be variable.
|
||
</paragraph>
|
||
<paragraph pageId="42" pageNumber="43">
|
||
In a study of gyrinid aggregations at East Texas Primitive Big Thicket by
|
||
<bibRefCitation author="Realzola, E" journalOrPublisher="The Coleopterists Bulletin" pageId="95" pageNumber="96" pagination="495 - 502" publicationUrl="10.1649/0010-065X(2007)61[495:COGAIT]2.0.CO;2" refId="B101" refString="Realzola, E, Cook, JL, Cook, TJ, Clopton, RE, 2007. Composition of gyrinid aggregations in the East Texas Primitive Big Thicket (Coleoptera: Gyrinidae). The Coleopterists Bulletin 61: 495 - 502, DOI: 10.1649/0010-065X(2007)61[495:COGAIT]2.0.CO;2" title="Composition of gyrinid aggregations in the East Texas Primitive Big Thicket (Coleoptera: Gyrinidae)." url="10.1649/0010-065X(2007)61[495:COGAIT]2.0.CO;2" volume="61" year="2007">Realza et al. (2007)</bibRefCitation>
|
||
,
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="42" pageNumber="43">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
was most commonly collected with
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="42" pageNumber="43" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="42" pageNumber="43">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
and also with
|
||
<taxonomicName authorityName="Regimbart" authorityYear="1883" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus serrulatus subsp. analis" order="Coleoptera" pageId="42" pageNumber="43" phylum="Arthropoda" rank="subSpecies" species="serrulatus" subSpecies="analis">
|
||
<emphasis italics="true" pageId="42" pageNumber="43">Dineutus serrulatus analis</emphasis>
|
||
</taxonomicName>
|
||
, but to a lesser extant, but the authors observed that at a given locality both species compositions and proportions were subject to change.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |