616 lines
76 KiB
XML
616 lines
76 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="12F06197739696F1483A4A6B7E7A7FD2" 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 carolinus LeConte 1868" docType="treatment" docVersion="5" id="FC4DC947FF97FF86190BFFD8B82CAB56" lastPageNumber="36" masterDocId="FC4DC947FF97FF86190BFFD8B82CAB56" masterDocTitle="The New World whirligig beetles of the genus Dineutus Macleay, 1825 (Coleoptera, Gyrinidae, Gyrininae, Dineutini)" masterLastPageNumber="135" masterPageNumber="1" pageNumber="29" updateTime="1668159852297" updateUser="ExternalLinkService">
|
||
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo>
|
||
<mods:title>The New World whirligig beetles of the genus Dineutus Macleay, 1825 (Coleoptera, Gyrinidae, Gyrininae, Dineutini)</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Gustafson, Grey T.</mods:namePart>
|
||
<mods:affiliation>Department of Biology and Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM 87131, USA</mods:affiliation>
|
||
<mods:nameIdentifier type="email">gtgustafson@gmail.com</mods:nameIdentifier>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Miller, Kelly B.</mods:namePart>
|
||
<mods:affiliation>Department of Biology and Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM 87131, USA</mods:affiliation>
|
||
</mods:name>
|
||
<mods:typeOfResource>text</mods:typeOfResource>
|
||
<mods:relatedItem type="host">
|
||
<mods:titleInfo>
|
||
<mods:title>ZooKeys</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:part>
|
||
<mods:date>2015</mods:date>
|
||
<mods:detail type="pubDate">
|
||
<mods:number>2015-01-23</mods:number>
|
||
</mods:detail>
|
||
<mods:detail type="volume">
|
||
<mods:number>476</mods:number>
|
||
</mods:detail>
|
||
<mods:extent unit="page">
|
||
<mods:start>1</mods:start>
|
||
<mods:end>135</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:location>
|
||
<mods:url>http://dx.doi.org/10.3897/zookeys.476.8630</mods:url>
|
||
</mods:location>
|
||
<mods:classification>journal article</mods:classification>
|
||
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.476.8630</mods:identifier>
|
||
<mods:identifier type="Pensoft-Pub">1313-2970-476-1</mods:identifier>
|
||
<mods:identifier type="ZooBank">086D71AF8A294F028559C2E0456B5C5B</mods:identifier>
|
||
<mods:identifier type="Pensoft-UUID">FC4DC947FF97FF86190BFFD8B82CAB56</mods:identifier>
|
||
<mods:identifier type="Zenodo-Dep">578702</mods:identifier>
|
||
</mods:mods>
|
||
<treatment ID-GBIF-Taxon="152057940" LSID="urn:lsid:plazi:treatment:12F06197739696F1483A4A6B7E7A7FD2" httpUri="http://treatment.plazi.org/id/12F06197739696F1483A4A6B7E7A7FD2" lastPageId="35" lastPageNumber="36" pageId="28" pageNumber="29">
|
||
<subSubSection pageId="28" pageNumber="29" type="nomenclature">
|
||
<paragraph pageId="28" pageNumber="29">
|
||
<taxonomicName LSID="12F06197-7396-96F1-483A-4A6B7E7A7FD2" authority="LeConte, 1868" authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="28" pageNumber="29" phylum="Arthropoda" rank="species" species="carolinus">Dineutus carolinus LeConte, 1868</taxonomicName>
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Dineutus carolinus. A ♀ dorsal habitus B ♀ ventral habitus C ♂ dorsal habitus D ♂ ventral habitus. All scale bars ≈ 2 mm." pageId="28" pageNumber="29">Figures 10</figureCitation>
|
||
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Dineutus carolinus. Bahamas specimen aedeagus A dorsal view B ventral view C lateral view; Florida specimen aedeagus D dorsal view E ventral view F ♂ mesotarsal claws G aedeagus lateral view, Texas specimen aedeagus H dorsal view I ventral view J lateral view. Scale bar for F ≈ 0.10 mm all others ≈ 1 mm." pageId="28" pageNumber="29">, 11</figureCitation>
|
||
<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="28" pageNumber="29">, 53</figureCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="29" pageNumber="30" type="reference_group">
|
||
<paragraph pageId="29" pageNumber="30">
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<pageBreakToken pageId="29" pageNumber="30" start="start">Dineutus</pageBreakToken>
|
||
carolinus
|
||
</taxonomicName>
|
||
<bibRefCitation author="LeConte, JL" journalOrPublisher="Proceedings of the Academy of Natural Sciences of Philadelphia" pageId="93" pageNumber="94" pagination="365 - 373" refId="B60" refString="LeConte, JL, 1868. The Gyrinidae of America, north of Mexico. Proceedings of the Academy of Natural Sciences of Philadelphia 20: 365 - 373" title="The Gyrinidae of America, north of Mexico." volume="20" year="1868">LeConte 1868</bibRefCitation>
|
||
: 366,
|
||
<taxonomicName class="Insecta" family="Gyrinidae" genus="Dineutes" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Dineutes emarginatus subsp. var. var. carolinus" order="Coleoptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="variety" species="emarginatus" subSpecies="var." variety="carolinus">Dineutes emarginatus var. carolinus</taxonomicName>
|
||
:
|
||
<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">
|
||
<normalizedToken originalValue="Régimbart">Regimbart</normalizedToken>
|
||
1882
|
||
</bibRefCitation>
|
||
: 418,
|
||
<taxonomicName authorityName="LeConte" authorityYear="1863" class="Insecta" family="Gyrinidae" genus="Dineutes" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Dineutes carolinus" order="Coleoptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="29" pageNumber="30">Dineutes carolinus</emphasis>
|
||
</taxonomicName>
|
||
:
|
||
<bibRefCitation author="Roberts, CH" journalOrPublisher="Transactions of the American Entomological Society" pageId="95" pageNumber="96" pagination="279 - 288" refId="B107" refString="Roberts, CH, 1895. The species of Dineutes of America north of Mexico. Transactions of the American Entomological Society 22: 279 - 288" title="The species of Dineutes of America north of Mexico." volume="22" year="1895">Roberts 1895</bibRefCitation>
|
||
: 283,
|
||
<taxonomicName authorityName="Ochs" authorityYear="1924" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus (Cyclinus) carolinus subsp. mutchleri" order="Coleoptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="subSpecies" species="carolinus" subGenus="Cyclinus" subSpecies="mutchleri">Dineutus (Cyclinus) carolinus mutchleri</taxonomicName>
|
||
<bibRefCitation author="Ochs, G" journalOrPublisher="American Museum Novitates" pageId="94" pageNumber="95" pagination="1 - 8" refId="B86" refString="Ochs, G, 1924. On the West Indian Gyrinidae and a new species of Gyretes from northern Brazil. American Museum Novitates 125: 1 - 8" title="On the West Indian Gyrinidae and a new species of Gyretes from northern Brazil." volume="125" year="1924">Ochs 1924</bibRefCitation>
|
||
: 1
|
||
<emphasis bold="true" pageId="29" pageNumber="30">syn. n.</emphasis>
|
||
,
|
||
<taxonomicName class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus (Cyclinus) emarginatus subsp. carolinus" order="Coleoptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="subSpecies" species="emarginatus" subGenus="Cyclinus" subSpecies="carolinus">Dineutus (Cyclinus) emarginatus carolinus</taxonomicName>
|
||
: Ochs 1926: 136,
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus (Cyclinus) carolinus" order="Coleoptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="carolinus" subGenus="Cyclinus">Dineutus (Cyclinus) carolinus</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>
|
||
: 125,
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="29" pageNumber="30">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
:
|
||
<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>
|
||
: 15.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="29" pageNumber="30" type="type locality">
|
||
<paragraph pageId="29" pageNumber="30">Type locality.</paragraph>
|
||
<paragraph pageId="29" pageNumber="30">South Carolina.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="29" pageNumber="30" type="specimens examined">
|
||
<paragraph pageId="29" pageNumber="30">Specimens examined.</paragraph>
|
||
<paragraph pageId="29" pageNumber="30">199</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="29" pageNumber="30" type="type material examined">
|
||
<paragraph pageId="29" pageNumber="30">Type material examined.</paragraph>
|
||
<paragraph pageId="29" pageNumber="30">
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="29" pageNumber="30">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
LeConte, 1868: syntype (♀ pinned) "[orange disc]// Type/ 6093 [orange label Type typed in black ink, 6093 handwritten in black ink]//
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="carolinus">Dineutus carolinus</taxonomicName>
|
||
/ Lec. [white label handwritten in black ink, handwriting appears to be
|
||
<normalizedToken originalValue="LeConte’s">LeConte's</normalizedToken>
|
||
]// LECTOTYPE/
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="carolinus">Dineutus carolinus</taxonomicName>
|
||
/ Desig. R.P. Withington III/ 1998 [red label, handwritten in black ink]//" deposited in MCZ.
|
||
</paragraph>
|
||
<paragraph pageId="29" pageNumber="30">
|
||
<taxonomicName authorityName="Ochs" authorityYear="1924" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus subsp. mutchleri" order="Coleoptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="subSpecies" species="carolinus" subSpecies="mutchleri">
|
||
<emphasis italics="true" pageId="29" pageNumber="30">Dineutus carolinus mutchleri</emphasis>
|
||
</taxonomicName>
|
||
Ochs, 1924: holotype (♂, pinned) "Nassau, Bahamas, V-VI-1917/Wm. M. Mann Collector//Amer. Mus. Nat. Hist., Dept. Invert. Zool., No.28070/HOLOTYPE/
|
||
<taxonomicName authorityName="Ochs" authorityYear="1924" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus subsp. mutchleri" order="Coleoptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="subSpecies" species="carolinus" subSpecies="mutchleri">Dineutus carolinus LeC. subsp. mutchleri</taxonomicName>
|
||
OchsType! ♂/
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="carolinus">Dineutus carolinus</taxonomicName>
|
||
LeConte 1868. Det: L. Cook 2005" AMNH type catalogue No. 433.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="32" lastPageNumber="33" pageId="30" pageNumber="31" type="material examined">
|
||
<paragraph pageId="30" pageNumber="31">
|
||
<pageBreakToken pageId="30" pageNumber="31" start="start">Material</pageBreakToken>
|
||
examined.
|
||
</paragraph>
|
||
<paragraph lastPageId="32" lastPageNumber="33" pageId="30" pageNumber="31">
|
||
<emphasis bold="true" pageId="30" pageNumber="31">BAHAMAS:</emphasis>
|
||
<emphasis bold="true" pageId="30" pageNumber="31">Eleuthera Island:</emphasis>
|
||
Rainbow Bay, 4.vii.1989, leg. D.B. & R.W. Wiley (1 ex. FSCA); Rainbow Bay, 21-28.iv.1984, leg. J.R. Wiley (6 ex. FSCA);
|
||
<emphasis bold="true" pageId="30" pageNumber="31">Grand Bahamas Island:</emphasis>
|
||
Freeport, 21.xii.1984, leg. S. Dunkle (4 ex. FSCA);
|
||
<emphasis bold="true" pageId="30" pageNumber="31">Great Exuma:</emphasis>
|
||
Simons Pt.,
|
||
<normalizedToken originalValue="“23.31.50-75.47.30”">"23.31.50-75.47.30"</normalizedToken>
|
||
, 13.i.1980, leg. S.A. Teale (1 ex. KSEM); same as previous except: 21.i.1980 (1 ex. KSEM); same as previous except: 26.i.1980 (3 ex. KSEM);
|
||
<emphasis bold="true" pageId="30" pageNumber="31">New Providence:</emphasis>
|
||
1.viii.1959, leg. J.B. Rearle (1 ex. FSCA);
|
||
<emphasis bold="true" pageId="30" pageNumber="31">South Bimini:</emphasis>
|
||
14.vi.1967, leg. B.K. Dozier (2 ex. FSCA).
|
||
<emphasis bold="true" pageId="30" pageNumber="31">U.S.A.:</emphasis>
|
||
<emphasis bold="true" pageId="30" pageNumber="31">Arkansas:</emphasis>
|
||
Washington Co.,
|
||
<normalizedToken originalValue="Devil’s">Devil's</normalizedToken>
|
||
Den State Park, pond, 6.viii.1975, leg. D. Huggins, SEMC 1054952 (1 ex. KSEM);
|
||
<emphasis bold="true" pageId="30" pageNumber="31">Florida:</emphasis>
|
||
Alachua Co., 10.ii.1949, leg. S.B. Mansell (5 ex. FSCA); same as previous except: 19.ii.1949, leg. B.W. Cooper (1 ex. FSCA); same as previous except: 8.iv.1949, leg. B.W. Cooper (2 ex. FSCA); same as previous except: 8.iv.1949, leg. E.H. McConkey (7 ex. FSCA); same as previous except: 19.iv.1949, leg. W.L. Jennings (1 ex. FSCA); same as previous except: 17.ii.1950, leg. O.G. Fogle (1 ex. FSCA); same as previous except: 15.iv.1950, leg. E.W. Michelson (1 ex. FSCA); same as previous except: 18.iv.1951, leg. J.E. Brogdan (1 ex. FSCA); same as previous except: x.1960, leg. S. Cabler (1 ex. FSCA); same as previous except: 4.ix.1989, leg. M.L. May (1 ex. FSCA); Gainesville, 20.iii.1987, leg. Willis, ACC.76-77; ACC.79-83; ACC.86; ACC.88 (9 ex. FSCA); Gainesville, 21.iii.1978, leg. L.R. Davis Jr., (2 ex. FSCA); same as previous except: 5.v.1978, leg. M.C. Thomas (1 ex. FSCA); same as previous except: 11.v.1978 (1 ex. FSCA); same as previous except: 2.vi.1978 (1 ex. FSCA); same as previous except: 18.iv.1983, leg. N. Hastettle (1 ex. FSCA); same as previous except: 5.vi.1983, leg. L.R. Davis Jr. (1 ex. FSCA); 5.vi.1959, leg. H.V. Weems Jr., taken at light (1 ex. FSCA); Gainesville, Beville Hts., 5.vii.1980, leg. L.A. Stange, Blacklight trap (1 ex. FSCA); NW Gainesville, 27.iii.1974, leg. J.B. Heppner, at blacklight (7 ex. FSCA); Gainesville, 3517 NW 10th Ave., 1.vi.1993, leg. R.E. Woodruff, Blacklight trap (8 ex. FSCA); 2 mi NW Gainesville, 20.iv.1974, leg. J.B. Heppner, blacklight (4 ex. FSCA); 6 mi SW Gainesville, 4.xi.1974, leg. L.R. Davis Jr., BLT (1 ex. FSCA); same as previous except: 5.xi.1974 (2 ex. FSCA); same as previous except:17.xi.1974 (1 ex. FSCA); same as previous except: 19.xi.1974 (2 ex. FSCA); Bainsville, 24.iii.1983, leg. C. Blare (1 ex. FSCA); Hatchet Creek, 25.vii.1975, leg. J.B. Heppner (3 ex. FSCA);
|
||
<normalizedToken originalValue="O’Leno">O'Leno</normalizedToken>
|
||
State Park, 8.viii.1997, leg. J. Cicero (3 ex. FSCA); Hogtown Creek, 28.vi.1975, leg. J.B. Heppner (1 ex. FSCA); Clay Co., Hibernia, 7.viii.1939, leg. J.D. Beamer (1 ex. KSEM); Collier Co., Copeland, 27.iv.1972, leg. H. Flaschka (1 ex. FSCA); Naples, 27.iv.1984, leg. R.A. Belmont, u.v. blacklight trap (1 ex. FSCA); Naples, 13.v.1984, leg. R.A. Belmont (4 ex. FSCA); Naples, 15.xii.1985, leg. R.S. Miller (1 ex. MTEC); Columbia Co.,
|
||
<normalizedToken originalValue="O’Leno">O'Leno</normalizedToken>
|
||
State Park, 12.ii.1966, leg. F.W. Mead (1 ex. FSCA);
|
||
<normalizedToken originalValue="O’Leno">O'Leno</normalizedToken>
|
||
State Park,11.xii.1954, leg. C.N. Patton (1 ex. FSCA); Dade Co., nr Everglades Nat. Prk., fresh water, 7.v.1955, leg. D.K. Caldwell, K13 (8 ex. FSCA); Dade Co., Camp Mahachee, nr. Matheson Hammock, 27.iv.1983, leg. M.C. Thomas & L. Parker, Blacklight trap (2 ex. FSCA); Homestead, 28.v.1958, leg. D.O. Wolfenbarer, Blacklight trap (1 ex. FSCA); 25 m W Miami, 23.vii.1934, leg. P. McKinstry (1 ex. KSEM); 25 m W Miami, 23.vii.1934, leg. M.E. Griffith (1 ex. KSEM); Ross-Castello Hammock, 1.v.1968, leg. R.H. Arnett, Blacklight trap (1 ex.
|
||
<pageBreakToken pageId="31" pageNumber="32" start="start">FSCA</pageBreakToken>
|
||
); Miami Springs,15.vi.1961, leg. C.E. White (1 ex. FSCA); Dixie Co., Horseshoe Beach, 28.vii.1985, leg. P. Van Mierop, pond (1 ex. FSCA); Escambia Co., Pensacola, 17.v.1960, leg. R.E. Woodruff, col. At light (1 ex. FSCA); Gadsden Co., Rocky Comfort Creek, 4 mi S Hwy 268,13.v.1980, leg. G.B. Wibmer, uv light (1 ex. FSCA); Gulf Co., St. Joseph T.H. Stone Memorial State Park, 14.vi.1969, leg. H.V. Weems Jr. (1 ex. FSCA); Henderson Co., Fletcher, 10.vii.1979, leg. L.L. Lampert, U.V. Light (1 ex. FSCA); Hernando Co., Weekiwachee Spring, 3.vi.1954, leg. W.C. Sloan, Sta.4 (2 ex. FSCA); Highlands Co., Archbold Biol. Sta., 7.iv.1975, leg. L.L. Lampert, UVL (1 ex. FSCA); same as previous except: 18.xi.1982, leg. L.L. Lampert Jr., UVL (1 ex. FSCA); same as previous except: 19.iv.1976, leg. L.L. Lampert Jr. (1 ex. FSCA); same as previous except: 23.vi.1988, leg. K.E.M. Galley, at blacklight SE tract (2 ex. FSCA); same as previous except: 19.iii.1968, leg. C.E. White, at blacklight trap (2 ex. FSCA); same as previous except: 10.ii.1993, leg. M.J. Rothschild (1 ex. FSCA); Highlands Co., Highlands Hammock State. Prk., 9-10.viii.1983, leg. K.W. Vick, Blacklight trap (1 ex. FSCA); same as previous except: 11.viii.1983 (1 ex. FSCA); Hillsborough Co., Hillsborough RI St. Pk., 9-10.viii.1983, leg. K.W. Vick, Blacklight trap (5 ex. FSCA); Plant City, 20.vi.1926, leg. C. O. Bare (1 ex. KSEM); Indian River Co., nr. Vero Beach, 12.iv.1983, leg. K. Hibbard (3 ex. FSCA); Lake Co., 26.iv., leg. E.M. Davis, (3 ex. FSCA); Leon Co., Springhill Rd., nr. Airport, 16.x.1980, leg. B. Lenczerski (1 ex. FSCA); Liberty Co., Yellow Creek SE of Telogia, 5.ix.1990, leg. F.N. Young, #3435 (1 ex. FSCA); same as previous except: 7.x.1992, #3503 (1 ex. FSCA); Torreya State Park, 16.v.1970, leg. H. Greenbaum, blacklight/sheet (1 ex. FSCA); Marion Co., 1-75 & Rte. 44, 12.iii.1988, leg. L.R. Davis Jr. & M. L. Benoit, at light (1 ex. FSCA); Village of Rainbow Springs, 3-7.vii.1982, leg. M.C. Thomas (2 ex. FSCA); Ocala, 5.viii.1975, leg. T. Rogers (1 ex. FSCA); Big Pine Key, 15.iii.1947, leg. L.D. Beamer (1 ex. KSEM); Okaloosa Co., 3 mi S. of Holt Log Lake Bridge, 4.x.1966, leg. P.A. Thomas (3 ex. FSCA); Palm Beach Co., 28.xi.1947, leg. McRae (1 ex. FSCA); Palm Beach Co., 3 mi N Bell Grande, 13.xii.1985, leg. R.S. Miller (2 ex. MTEC); Saint Lucie Co., White City,1.iv.1983, leg. K. Hibbard (2 ex. FSCA); U.S.A.:
|
||
<emphasis bold="true" pageId="31" pageNumber="32">Georgia:</emphasis>
|
||
Okefenokee Swamp, 30.vii.1934, leg. E. Griffith (2 ex. KSEM); same as previous except: 8.iii.1934, leg. P.A. McKinstry (1 ex. KSEM); Decantur Co., 1 mi W Recovery, 18.viii.1953, leg. F.N. Young, #986 (2 ex. FSCA);
|
||
<emphasis bold="true" pageId="31" pageNumber="32">Kansas:</emphasis>
|
||
Labette Co., Altamont, 5 mi E, Labette Creek, 22.vi.1974, SEMC 1054951 (1 ex. KSEM);
|
||
<emphasis bold="true" pageId="31" pageNumber="32">Louisiana:</emphasis>
|
||
St. John the Baptist, Edgard, 6.iii.1973, leg. V. Brou (2 ex. FSCA); same as previous except: 9.iii.1973 (1 ex. FSCA); same as previous except: 11.iii.1973 (2 ex. FSCA); same as previous except: 30.iii.1973 (1 ex. FSCA); same as previous except: 14.iv.1973 (2 ex. FSCA); 19.iv.1973 (1 ex. FSCA); same as previous except: 15.vi.1973 (2 ex. FSCA); same as previous except:13.vii.1973 (1 ex. FSCA); East Baton Rouge, Baton Rouge,19.x.1929, leg. H.A.S. (1 ex. MTEC); same as previous except: 31.vii.1961, leg. G.N. Ross (1 ex. FSCA); Madison, Tallulah, 7.vii.1930, leg. H. Mills (1 ex. MTEC);
|
||
<emphasis bold="true" pageId="31" pageNumber="32">Maryland:</emphasis>
|
||
Worcester Co., Pocomoke City, 22.ix.1984, leg. C.L. Staines Jr. (1 ex. FSCA);
|
||
<emphasis bold="true" pageId="31" pageNumber="32">North Carolina:</emphasis>
|
||
Carteret Co., Walker Mill Pond, 15.iii.1990, leg. J.B. Sullivan (1 ex. FSCA); Craven Co., North Harlowe, 18.vii.1990, leg. J.B. Sullivan (1
|
||
<pageBreakToken pageId="32" pageNumber="33" start="start">ex</pageBreakToken>
|
||
. FSCA); Jackson Co., Balsam, 2.v.1965, leg. W. Rosenberg (1 ex. FSCA);
|
||
<emphasis bold="true" pageId="32" pageNumber="33">Oklahoma:</emphasis>
|
||
Payne Co., nr Lake Carl Blackwell, 16.viii.1976 (1 ex. FSCA);
|
||
<emphasis bold="true" pageId="32" pageNumber="33">Texas:</emphasis>
|
||
Colorado Co., 3.iv.1922, leg. G. Wiley, "U of X Lot 1108" (3 ex. KSEM); Colorado Co., 18.v.1922, leg. G. Wiley (1 ex. KSEM); Montgomery Co., Woodlands, 2.vi.1979, leg. J.E. Wappes (3 ex. FSCA); same as previous except: 3.v.1980 (1 ex. FSCA); Walker Co.,
|
||
<normalizedToken originalValue="“Strawn”">"Strawn"</normalizedToken>
|
||
, 7.iii.1952, leg. T. Pyburn, "Green Branch" (1 ex. FSCA);
|
||
<emphasis bold="true" pageId="32" pageNumber="33">Virginia:</emphasis>
|
||
Middlesex Co., Warner, 13.x.1983, leg. C.L. Staines Jr. (1 ex. FSCA).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="32" pageNumber="33" type="diagnosis">
|
||
<paragraph pageId="32" pageNumber="33">Diagnosis.</paragraph>
|
||
<paragraph pageId="32" pageNumber="33">
|
||
Male (Fig.
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Dineutus carolinus. A ♀ dorsal habitus B ♀ ventral habitus C ♂ dorsal habitus D ♂ ventral habitus. All scale bars ≈ 2 mm." pageId="32" pageNumber="33">10C-D</figureCitation>
|
||
): Size: 9.1-10.9 mm. Body form elongate oval; elytral apices regularly rounded, with serrations and irregularities present apically, elytra with reticulation strong laterally and apically, medial disc with reticulation sparse or absent, striae faintly present, most evident medially on elytral disc, lateral marginal depression of elytra evident, narrow in humeral region, expanded posteriad, usually extending to lateral elytra apex; profemora with small sub-apicoventral tooth atop profemoral carina; protibiae subsinuate, distolateral margin flatly angled and weakly expanded; mesotarsal claws (Fig.
|
||
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Dineutus carolinus. Bahamas specimen aedeagus A dorsal view B ventral view C lateral view; Florida specimen aedeagus D dorsal view E ventral view F ♂ mesotarsal claws G aedeagus lateral view, Texas specimen aedeagus H dorsal view I ventral view J lateral view. Scale bar for F ≈ 0.10 mm all others ≈ 1 mm." pageId="32" pageNumber="33">11F</figureCitation>
|
||
) with ventral margin weakly rounded; venter darkly colored, reddish brown to black, mesothoracic and metathoracic legs usually lighter in coloration, as well as apex of abdomen; Aedeagus (Fig.
|
||
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Dineutus carolinus. Bahamas specimen aedeagus A dorsal view B ventral view C lateral view; Florida specimen aedeagus D dorsal view E ventral view F ♂ mesotarsal claws G aedeagus lateral view, Texas specimen aedeagus H dorsal view I ventral view J lateral view. Scale bar for F ≈ 0.10 mm all others ≈ 1 mm." pageId="32" pageNumber="33">11A</figureCitation>
|
||
) with median lobe in dorsal view nearly to as long as parameres, widest basally and regularly narrowed apically, more narrowed in apical 1/3, in some individuals much more noticeably narrowed in the apical 1/3, apex very shortly rounded, in lateral view median lobe sinuate ventrally in apical 1/3, parameres parallel-sided, broadly rounded apically.
|
||
</paragraph>
|
||
<paragraph pageId="32" pageNumber="33">
|
||
Female (Fig.
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Dineutus carolinus. A ♀ dorsal habitus B ♀ ventral habitus C ♂ dorsal habitus D ♂ ventral habitus. All scale bars ≈ 2 mm." pageId="32" pageNumber="33">10A-B</figureCitation>
|
||
): Size: 8.7-10.6 mm. Body form elongate oval; elytral apices regularly rounded, with serrations and irregularities present apically, apicolateral sinuation usually present, sometimes very strongly developed, elytra with reticulation strong laterally and apically, medial disc with reticulation sparse or absent, striae faintly present, most evident medially on elytral disc, lateral marginal depression of elytra evident, narrow in humeral region, expanded posteriad, usually extending to lateral elytra apex; profemora without sub-apicoventral tooth; protibiae weakly subsinuate, distolateral margin flatly angled; venter darkly colored, reddish brown to black, mesothoracic and metathoracic legs usually lighter in coloration, as well as apex of abdomen.
|
||
</paragraph>
|
||
<caption pageId="32" pageNumber="33" start="Figure 10" startId="F10">
|
||
<paragraph pageId="32" pageNumber="33">
|
||
<emphasis bold="true" pageId="32" pageNumber="33">Figure 10.</emphasis>
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="32" pageNumber="33">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<emphasis bold="true" pageId="32" pageNumber="33">A</emphasis>
|
||
♀ dorsal habitus
|
||
<emphasis bold="true" pageId="32" pageNumber="33">B</emphasis>
|
||
♀ ventral habitus
|
||
<emphasis bold="true" pageId="32" pageNumber="33">C</emphasis>
|
||
♂ dorsal habitus
|
||
<emphasis bold="true" pageId="32" pageNumber="33">D</emphasis>
|
||
♂ ventral habitus. All scale bars ≈ 2 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption pageId="32" pageNumber="33" start="Figure 11" startId="F11">
|
||
<paragraph pageId="32" pageNumber="33">
|
||
<emphasis bold="true" pageId="32" pageNumber="33">Figure 11.</emphasis>
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="32" pageNumber="33">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
. Bahamas specimen aedeagus
|
||
<emphasis bold="true" pageId="32" pageNumber="33">A</emphasis>
|
||
dorsal view
|
||
<emphasis bold="true" pageId="32" pageNumber="33">B</emphasis>
|
||
ventral view
|
||
<emphasis bold="true" pageId="32" pageNumber="33">C</emphasis>
|
||
lateral view; Florida specimen aedeagus
|
||
<emphasis bold="true" pageId="32" pageNumber="33">D</emphasis>
|
||
dorsal view
|
||
<emphasis bold="true" pageId="32" pageNumber="33">E</emphasis>
|
||
ventral view
|
||
<emphasis bold="true" pageId="32" pageNumber="33">F</emphasis>
|
||
♂ mesotarsal claws
|
||
<emphasis bold="true" pageId="32" pageNumber="33">G</emphasis>
|
||
aedeagus lateral view, Texas specimen aedeagus
|
||
<emphasis bold="true" pageId="32" pageNumber="33">H</emphasis>
|
||
dorsal view
|
||
<emphasis bold="true" pageId="32" pageNumber="33">I</emphasis>
|
||
ventral view
|
||
<emphasis bold="true" pageId="32" pageNumber="33">J</emphasis>
|
||
lateral view. Scale bar for
|
||
<emphasis bold="true" pageId="32" pageNumber="33">F</emphasis>
|
||
≈ 0.10 mm all others ≈ 1 mm.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="33" lastPageNumber="34" pageId="32" pageNumber="33" type="differential diagnosis">
|
||
<paragraph pageId="32" pageNumber="33">Differential diagnosis.</paragraph>
|
||
<paragraph pageId="32" pageNumber="33">
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="32" pageNumber="33">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
is unique among North American
|
||
<taxonomicName class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus" order="Coleoptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="32" pageNumber="33">Dineutus</emphasis>
|
||
</taxonomicName>
|
||
in having both sexes elongate oval and the elytra with a distinct lateral marginal depression, the elytral apices regularly rounded with serration and irregularities present, males with the profermoral sub-apicoventral tooth small and often atop a short carina, the male mesotarsal claws with the ventral margin rounded, and the unique shape of the aedeagus. The species most similar to
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="32" pageNumber="33">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
are
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="32" pageNumber="33">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName authorityName="Aube" authorityYear="1838" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus solitarius" order="Coleoptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="32" pageNumber="33">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
, and
|
||
<taxonomicName baseAuthorityName="Linnaeus" baseAuthorityYear="1767" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus americanus" order="Coleoptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="americanus">
|
||
<emphasis italics="true" pageId="32" pageNumber="33">Dineutus americanus</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph lastPageId="33" lastPageNumber="34" pageId="32" pageNumber="33">
|
||
Both sexes of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">
|
||
<pageBreakToken pageId="33" pageNumber="34" start="start">Dineutus</pageBreakToken>
|
||
carolinus
|
||
</emphasis>
|
||
</taxonomicName>
|
||
can be separated from
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
by the elytra apices being more narrowly rounded with serrations and/or irregularities present. The presence of serrations, however, can be variable. In some individuals it is somewhat evident at the sutural margin, but others lack serrations entirely, having only roughened irregularities. The microreticulation of the elytra of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
tends to be much more coarse laterally and the medial disk of the elytra often lacks reticulation, whereas
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
tends to have fine microreticulation covering the entire elytra. Although not as reliable, the ventral coloration differs between the two species. In
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
the entire venter tends to be more reddish brown whereas it is regularly black in
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
. The dorsal coloration of the two species is very similar.
|
||
</paragraph>
|
||
<paragraph pageId="33" pageNumber="34">
|
||
Males of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
can fairly easily be separated from
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
by the profemoral sub-apicoventral tooth small atop a profemoral carina, rather than large and triangular. Also, in
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
the mesotarsal claws have the ventral margins rounded, rather than straight as in
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
. The aedeagus is the best way to identify
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
. The median lobe of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
is regularly narrowed for much its length, until the apical 1/3 where it is more strongly narrowed, but not strongly acuminate as in
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
. Females of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
are more difficult to separate from
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
. The best way to distinguish them aside from the more narrowly rounded elytral apices with serrations and/or irregularities in
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
is the presence of an apicolateral sinuation in the elytra. This sinuation is nearly always present and well-developed in
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
, although in some females it is sometimes weakly developed or absent.
|
||
<taxonomicName baseAuthorityName="Say" baseAuthorityYear="1825" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus emarginatus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="emarginatus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus emarginatus</emphasis>
|
||
</taxonomicName>
|
||
females nearly always have this sinuation absent, but at most only weakly developed.
|
||
</paragraph>
|
||
<paragraph pageId="33" pageNumber="34">
|
||
Members of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
of both sexes 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="33" pageNumber="34" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
by more elongate oval body form, the pronotum more narrow with the lateral margins more narrowly angled basally to apically, and the elytral apices more narrowly rounded apically with serrations and irregularities present.
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
of both sexes also have the lateral marginal depression of the elytra present, which is not evident in
|
||
<taxonomicName authorityName="Aube" authorityYear="1838" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus solitarius" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
. Males of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
differ from those of
|
||
<taxonomicName authorityName="Aube" authorityYear="1838" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus solitarius" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
by the mesotarsal claws with the ventral margin curved, unlike
|
||
<taxonomicName authorityName="Aube" authorityYear="1838" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus solitarius" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
that have the ventral margins straight. The aedeagus of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
is tapered but not acuminate, whereas that of
|
||
<taxonomicName authorityName="Aube" authorityYear="1838" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus solitarius" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
is acuminate. Females of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
can also be separated from those of
|
||
<taxonomicName authorityName="Aube" authorityYear="1838" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus solitarius" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
by the apices of the elytra laterally sinuate, whereas in
|
||
<taxonomicName authorityName="Aube" authorityYear="1838" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus solitarius" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="solitarius">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus solitarius</emphasis>
|
||
</taxonomicName>
|
||
they are usually evenly rounded without an apicolateral sinuation, and if a sinuation is present, it is very weakly developed.
|
||
</paragraph>
|
||
<paragraph pageId="33" pageNumber="34">
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
can be separated from
|
||
<taxonomicName baseAuthorityName="Linnaeus" baseAuthorityYear="1767" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus americanus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="americanus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus americanus</emphasis>
|
||
</taxonomicName>
|
||
by the differences provided under the differential diagnosis for
|
||
<taxonomicName baseAuthorityName="Linnaeus" baseAuthorityYear="1767" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus americanus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="americanus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus americanus</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="33" pageNumber="34" type="distribution">
|
||
<paragraph pageId="33" pageNumber="34">Distribution</paragraph>
|
||
<paragraph pageId="33" pageNumber="34">
|
||
<emphasis bold="true" pageId="33" pageNumber="34">
|
||
(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="33" pageNumber="34">53A</figureCitation>
|
||
).
|
||
</emphasis>
|
||
Mainly known from the southeastern half of the United States (
|
||
<bibRefCitation author="Epler, JH" journalOrPublisher="Bureau of Water Resource Protection, Florida Department of Environmental Protection, Tallahassee" pageId="91" pageNumber="92" refId="B18" refString="Epler, JH, 2010. The Water Beetles of Florida - an identification manual for the families Chrysomelidae, Curculionidae, Dryopidae, Dytiscidae, Elmidae, Gyrinidae, Haliplidae, Helophoridae, Hydraenidae, Hydrochidae, Hydrophilidae, Noteridae, Psephenidae, Ptilodactylidae and Scirtidae." title="The Water Beetles of Florida - an identification manual for the families Chrysomelidae, Curculionidae, Dryopidae, Dytiscidae, Elmidae, Gyrinidae, Haliplidae, Helophoridae, Hydraenidae, Hydrochidae, Hydrophilidae, Noteridae, Psephenidae, Ptilodactylidae and Scirtidae" year="2010">Epler 2010</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="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="Roberts, CH" journalOrPublisher="Transactions of the American Entomological Society" pageId="95" pageNumber="96" pagination="279 - 288" refId="B107" refString="Roberts, CH, 1895. The species of Dineutes of America north of Mexico. Transactions of the American Entomological Society 22: 279 - 288" title="The species of Dineutes of America north of Mexico." volume="22" year="1895">Roberts 1895</bibRefCitation>
|
||
), as far south as the extreme northeast corner of Mexico (
|
||
<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>
|
||
), and east into the Caribbean where it is primarily known from Nassau (
|
||
<bibRefCitation author="Young, FN" journalOrPublisher="American Museum Novitates" pageId="97" pageNumber="98" pagination="1 - 20" refId="B132" refString="Young, FN, 1953. The water beetles of the Bahama Islands, British West Indies, (Coleoptera: Dytiscidae, Gyrinidae, Hydrochidae, Hydrophilidae). American Museum Novitates 1616: 1 - 20" title="The water beetles of the Bahama Islands, British West Indies, (Coleoptera: Dytiscidae, Gyrinidae, Hydrochidae, Hydrophilidae)." volume="1616" year="1953">Young 1953</bibRefCitation>
|
||
), the range is here extended to the southeast as far as Great Exuma Island.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="33" pageNumber="34" type="habitat">
|
||
<paragraph pageId="33" pageNumber="34">Habitat.</paragraph>
|
||
<paragraph pageId="33" pageNumber="34">
|
||
This species appears to be primarily lentic (
|
||
<bibRefCitation author="Young, FN" journalOrPublisher="American Museum Novitates" pageId="97" pageNumber="98" pagination="1 - 20" refId="B132" refString="Young, FN, 1953. The water beetles of the Bahama Islands, British West Indies, (Coleoptera: Dytiscidae, Gyrinidae, Hydrochidae, Hydrophilidae). American Museum Novitates 1616: 1 - 20" title="The water beetles of the Bahama Islands, British West Indies, (Coleoptera: Dytiscidae, Gyrinidae, Hydrochidae, Hydrophilidae)." volume="1616" year="1953">Young 1953</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">1954</bibRefCitation>
|
||
).
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
occurs in Florida and is characteristic of small upland and flatwoods ponds, only rarely being found in slow streams with ample vegetation (
|
||
<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
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
in slow moving mud bottomed streams and bayous in southeastern Texas.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="35" lastPageNumber="36" pageId="33" pageNumber="34" type="discussion">
|
||
<paragraph pageId="33" pageNumber="34">Discussion.</paragraph>
|
||
<paragraph pageId="33" pageNumber="34">
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
is the only species of
|
||
<taxonomicName class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus</emphasis>
|
||
</taxonomicName>
|
||
well established across much of continental North America as well as in the western Caribbean where its range overlaps with that of
|
||
<taxonomicName baseAuthorityName="Linnaeus" baseAuthorityYear="1767" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus americanus" order="Coleoptera" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="americanus">
|
||
<emphasis italics="true" pageId="33" pageNumber="34">Dineutus americanus</emphasis>
|
||
</taxonomicName>
|
||
. The two species are fairly similar.
|
||
</paragraph>
|
||
<paragraph pageId="34" pageNumber="35">
|
||
<pageBreakToken pageId="34" pageNumber="35" start="start">The</pageBreakToken>
|
||
Caribbean subspecies
|
||
<taxonomicName authorityName="Ochs" authorityYear="1924" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus subsp. mutchleri" order="Coleoptera" pageId="34" pageNumber="35" phylum="Arthropoda" rank="subSpecies" species="carolinus" subSpecies="mutchleri">
|
||
<emphasis italics="true" pageId="34" pageNumber="35">Dineutus carolinus mutchleri</emphasis>
|
||
</taxonomicName>
|
||
was described by
|
||
<bibRefCitation author="Ochs, G" journalOrPublisher="American Museum Novitates" pageId="94" pageNumber="95" pagination="1 - 8" refId="B86" refString="Ochs, G, 1924. On the West Indian Gyrinidae and a new species of Gyretes from northern Brazil. American Museum Novitates 125: 1 - 8" title="On the West Indian Gyrinidae and a new species of Gyretes from northern Brazil." volume="125" year="1924">Ochs (1924)</bibRefCitation>
|
||
, from Nassau (Bahamas), who used several characters to separate it from the mainland subspecies including, size and number of setigerous femoral punctures, as well as aedeagal shape. Size shows overlap and is not discrete. Number of setigerous punctures is known to vary among populations, especially with size (pers. obs.;
|
||
<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="Ochs, G" journalOrPublisher="American Museum Novitates" pageId="94" pageNumber="95" pagination="1 - 8" refId="B86" refString="Ochs, G, 1924. On the West Indian Gyrinidae and a new species of Gyretes from northern Brazil. American Museum Novitates 125: 1 - 8" title="On the West Indian Gyrinidae and a new species of Gyretes from northern Brazil." volume="125" year="1924">Ochs (1924)</bibRefCitation>
|
||
described differences in the aedeagus comparing it to the illustration provided by
|
||
<bibRefCitation author="Roberts, CH" journalOrPublisher="Transactions of the American Entomological Society" pageId="95" pageNumber="96" pagination="279 - 288" refId="B107" refString="Roberts, CH, 1895. The species of Dineutes of America north of Mexico. Transactions of the American Entomological Society 22: 279 - 288" title="The species of Dineutes of America north of Mexico." volume="22" year="1895">Roberts (1895)</bibRefCitation>
|
||
, but the aedeagus of specimens examined from the Bahamas are identical to that of the mainland populations. We found the aedeagus of the Bahaman specimens to be nearly identical to those from mainland Florida and elsewhere (Fig.
|
||
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Dineutus carolinus. Bahamas specimen aedeagus A dorsal view B ventral view C lateral view; Florida specimen aedeagus D dorsal view E ventral view F ♂ mesotarsal claws G aedeagus lateral view, Texas specimen aedeagus H dorsal view I ventral view J lateral view. Scale bar for F ≈ 0.10 mm all others ≈ 1 mm." pageId="34" pageNumber="35">11</figureCitation>
|
||
).
|
||
<bibRefCitation author="Young, FN" journalOrPublisher="American Museum Novitates" pageId="97" pageNumber="98" pagination="1 - 20" refId="B132" refString="Young, FN, 1953. The water beetles of the Bahama Islands, British West Indies, (Coleoptera: Dytiscidae, Gyrinidae, Hydrochidae, Hydrophilidae). American Museum Novitates 1616: 1 - 20" title="The water beetles of the Bahama Islands, British West Indies, (Coleoptera: Dytiscidae, Gyrinidae, Hydrochidae, Hydrophilidae)." volume="1616" year="1953">Young (1953)</bibRefCitation>
|
||
also noticed the similarity and suggested that the drawing by
|
||
<bibRefCitation author="Roberts, CH" journalOrPublisher="Transactions of the American Entomological Society" pageId="95" pageNumber="96" pagination="279 - 288" refId="B107" refString="Roberts, CH, 1895. The species of Dineutes of America north of Mexico. Transactions of the American Entomological Society 22: 279 - 288" title="The species of Dineutes of America north of Mexico." volume="22" year="1895">Roberts (1895)</bibRefCitation>
|
||
was actually from an undescribed form in Texas.
|
||
<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>
|
||
also mentions having compared the Bahaman specimens of
|
||
<taxonomicName authorityName="Ochs" authorityYear="1924" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus subsp. mutchleri" order="Coleoptera" pageId="34" pageNumber="35" phylum="Arthropoda" rank="subSpecies" species="carolinus" subSpecies="mutchleri">
|
||
<emphasis italics="true" pageId="34" pageNumber="35">Dineutus carolinus mutchleri</emphasis>
|
||
</taxonomicName>
|
||
to specimens of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="34" pageNumber="35" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="34" pageNumber="35">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
from Texas, and that those showed greater differences than the Bahaman form.
|
||
</paragraph>
|
||
<paragraph lastPageId="35" lastPageNumber="36" pageId="34" pageNumber="35">
|
||
Having examined some specimens of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="35" pageNumber="36">
|
||
<pageBreakToken pageId="35" pageNumber="36" start="start">Dineutus</pageBreakToken>
|
||
carolinus
|
||
</emphasis>
|
||
</taxonomicName>
|
||
from Texas (FSCA) there is some variation, but not much from other populations of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="35" pageNumber="36">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
. A single male specimen examined from Texas has minor variation in the aedeagus from other mainland specimens (Fig.
|
||
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Dineutus carolinus. Bahamas specimen aedeagus A dorsal view B ventral view C lateral view; Florida specimen aedeagus D dorsal view E ventral view F ♂ mesotarsal claws G aedeagus lateral view, Texas specimen aedeagus H dorsal view I ventral view J lateral view. Scale bar for F ≈ 0.10 mm all others ≈ 1 mm." pageId="35" pageNumber="36">11H</figureCitation>
|
||
), which may explain
|
||
<bibRefCitation author="Roberts, CH" journalOrPublisher="Transactions of the American Entomological Society" pageId="95" pageNumber="96" pagination="279 - 288" refId="B107" refString="Roberts, CH, 1895. The species of Dineutes of America north of Mexico. Transactions of the American Entomological Society 22: 279 - 288" title="The species of Dineutes of America north of Mexico." volume="22" year="1895">Roberts (1895)</bibRefCitation>
|
||
illustration. This specimen has the apical 1/3 of the median lobe more strongly narrowed (Fig.
|
||
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Dineutus carolinus. Bahamas specimen aedeagus A dorsal view B ventral view C lateral view; Florida specimen aedeagus D dorsal view E ventral view F ♂ mesotarsal claws G aedeagus lateral view, Texas specimen aedeagus H dorsal view I ventral view J lateral view. Scale bar for F ≈ 0.10 mm all others ≈ 1 mm." pageId="35" pageNumber="36">11H</figureCitation>
|
||
) than other populations of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="35" pageNumber="36">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Dineutus carolinus. Bahamas specimen aedeagus A dorsal view B ventral view C lateral view; Florida specimen aedeagus D dorsal view E ventral view F ♂ mesotarsal claws G aedeagus lateral view, Texas specimen aedeagus H dorsal view I ventral view J lateral view. Scale bar for F ≈ 0.10 mm all others ≈ 1 mm." pageId="35" pageNumber="36">11A-E, G</figureCitation>
|
||
) from the mainland. The median lobe of the Texas
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="35" pageNumber="36">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
is nearly as long as the parameres, which are very parallel-sided and flatly rounded, similar to other populations of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="35" pageNumber="36">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Dineutus carolinus. Bahamas specimen aedeagus A dorsal view B ventral view C lateral view; Florida specimen aedeagus D dorsal view E ventral view F ♂ mesotarsal claws G aedeagus lateral view, Texas specimen aedeagus H dorsal view I ventral view J lateral view. Scale bar for F ≈ 0.10 mm all others ≈ 1 mm." pageId="35" pageNumber="36">11</figureCitation>
|
||
). Although
|
||
<bibRefCitation author="Roberts, CH" journalOrPublisher="Transactions of the American Entomological Society" pageId="95" pageNumber="96" pagination="279 - 288" refId="B107" refString="Roberts, CH, 1895. The species of Dineutes of America north of Mexico. Transactions of the American Entomological Society 22: 279 - 288" title="The species of Dineutes of America north of Mexico." volume="22" year="1895">Roberts (1895)</bibRefCitation>
|
||
illustration shows the strong narrowing, it also indicates the median lobe shorter than the parameres, which is not the case in our specimen. The parameres in
|
||
<bibRefCitation author="Roberts, CH" journalOrPublisher="Transactions of the American Entomological Society" pageId="95" pageNumber="96" pagination="279 - 288" refId="B107" refString="Roberts, CH, 1895. The species of Dineutes of America north of Mexico. Transactions of the American Entomological Society 22: 279 - 288" title="The species of Dineutes of America north of Mexico." volume="22" year="1895">Roberts (1895)</bibRefCitation>
|
||
illustration, however, match well with our specimen. Therefore, it may be that
|
||
<bibRefCitation author="Roberts, CH" journalOrPublisher="Transactions of the American Entomological Society" pageId="95" pageNumber="96" pagination="279 - 288" refId="B107" refString="Roberts, CH, 1895. The species of Dineutes of America north of Mexico. Transactions of the American Entomological Society 22: 279 - 288" title="The species of Dineutes of America north of Mexico." volume="22" year="1895">Roberts (1895)</bibRefCitation>
|
||
drew the aedeagus with the median lobe out of proportion, or, more likely, he drew the median lobe slightly flexed dorsally as happens sometimes during eversion or relaxing of the aedeagus. Externally the male from Texas is very similar to males of other populations. The females of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="35" pageNumber="36">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
from Texas populations vary more so than male specimens from Texas, when compared to populations outside of Texas. The females are much more broad in appearance, having the pronotal and elytral margins more broadly rounded laterally. In lateral view the females are also slightly more dorsoventrally convex than other
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="35" pageNumber="36">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
females. The increased convexity of the elytra causes the lateral marginal depression to be more shallowly impressed in comparison to other populations. The microreticulation of the elytra also shows variation being much more well-impressed, covering nearly all of the elytra and the pronotum. The elytral apices of Texas
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="35" pageNumber="36">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
females are more broadly rounded and do not have the normal lateral sinuation seen in other populations, but have the apices laterally angled or simply regularly meeting the rounded apices, and the apical serrations and irregularities are highly reduced although, under careful observation, present. All of these variations, however, are well within the typical range of variation within other species of
|
||
<taxonomicName class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus" order="Coleoptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="35" pageNumber="36">Dineutus</emphasis>
|
||
</taxonomicName>
|
||
and it is our judgment that the populations from Texas are not differentiated enough to merit a formal taxonomic name. The specimens examined from Texas were from the southeastern part of the state, in Montgomery County, near The Woodlands, north of Houston (FSCA).
|
||
</paragraph>
|
||
<paragraph pageId="35" pageNumber="36">
|
||
<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>
|
||
also admits that after having examined more
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="35" pageNumber="36">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
from Florida and Georgia, that
|
||
<taxonomicName authorityName="Ochs" authorityYear="1924" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus subsp. mutchleri" order="Coleoptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="subSpecies" species="carolinus" subSpecies="mutchleri">
|
||
<emphasis italics="true" pageId="35" pageNumber="36">Dineutus carolinus mutchleri</emphasis>
|
||
</taxonomicName>
|
||
are much more similar to these populations of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="35" pageNumber="36">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
than the Texas forms which he used as a comparison during description of
|
||
<taxonomicName authorityName="Ochs" authorityYear="1924" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus subsp. mutchleri" order="Coleoptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="subSpecies" species="carolinus" subSpecies="mutchleri">
|
||
<emphasis italics="true" pageId="35" pageNumber="36">Dineutus carolinus mutchleri</emphasis>
|
||
</taxonomicName>
|
||
. It does appear that the Texas specimens are the most distinctive of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="35" pageNumber="36">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
populations, and the populations from the Caribbean formally named as a subspecies by
|
||
<bibRefCitation author="Ochs, G" journalOrPublisher="American Museum Novitates" pageId="94" pageNumber="95" pagination="1 - 8" refId="B86" refString="Ochs, G, 1924. On the West Indian Gyrinidae and a new species of Gyretes from northern Brazil. American Museum Novitates 125: 1 - 8" title="On the West Indian Gyrinidae and a new species of Gyretes from northern Brazil." volume="125" year="1924">Ochs (1924)</bibRefCitation>
|
||
are not, in fact, particularly distinctive. Therefore, based on examined specimens from Texas, southeastern U.S., and the Caribbean, we consider
|
||
<taxonomicName authorityName="Ochs" authorityYear="1924" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus subsp. mutchleri" order="Coleoptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="subSpecies" species="carolinus" subSpecies="mutchleri">
|
||
<emphasis italics="true" pageId="35" pageNumber="36">Dineutus carolinus mutchleri</emphasis>
|
||
</taxonomicName>
|
||
as a junior subjective synonym of
|
||
<taxonomicName authorityName="LeConte" authorityYear="1868" class="Insecta" family="Gyrinidae" genus="Dineutus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dineutus carolinus" order="Coleoptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="carolinus">
|
||
<emphasis italics="true" pageId="35" pageNumber="36">Dineutus carolinus</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |