375 lines
69 KiB
XML
375 lines
69 KiB
XML
<document ID-DOI="10.1645/22-36" ID-ISSN="1937-2345" ID-Zenodo-Dep="7753943" approvalRequired="4" approvalRequired_for_textStreams="4" checkinTime="1679078562045" checkinUser="felipe" docAuthor="Bullard, Matthew R. Womble and Stephen A." docDate="2022" docId="039987AB2164FFF816D948D0AF3F92C5" docLanguage="en" docName="JourParasitol.108.4.74-394.pdf" docOrigin="Journal of Parasitology 108 (4)" docSource="http://dx.doi.org/10.1645/22-36" docStyle="DocumentStyle:378338F1068CC775F20F95F13175CB49.1:JourParasitol.2019-.journal_article" docStyleId="378338F1068CC775F20F95F13175CB49" docStyleName="JourParasitol.2019-.journal_article" docStyleVersion="1" docTitle="Leuceruthrus ksepkai" docType="treatment" docVersion="4" lastPageNumber="389" masterDocId="FFA0FFD32169FFE8152D4E11AB29913A" masterDocTitle="Azygiid Parasites Of North American Endemic Pleurocerids And Centrarchids: Revision Of Leuceruthrus Marshall And Gilbert, 1905 (Digenea: Azygiidae), Description Of Two New Species, And Phylogenetic Analysis" masterLastPageNumber="394" masterPageNumber="374" pageNumber="386" updateTime="1679337468500" updateUser="ExternalLinkService">
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<mods:titleInfo>
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<mods:title>Azygiid Parasites Of North American Endemic Pleurocerids And Centrarchids: Revision Of Leuceruthrus Marshall And Gilbert, 1905 (Digenea: Azygiidae), Description Of Two New Species, And Phylogenetic Analysis</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>Bullard, Matthew R. Womble and Stephen A.</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
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<mods:title>Journal of Parasitology</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-08-18</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>108</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>4</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>374</mods:start>
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<mods:end>394</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/10.1645/22-36</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">10.1645/22-36</mods:identifier>
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<mods:identifier type="ISSN">1937-2345</mods:identifier>
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<mods:identifier type="Zenodo-Dep">7753943</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:039987AB2164FFF816D948D0AF3F92C5" httpUri="http://treatment.plazi.org/id/039987AB2164FFF816D948D0AF3F92C5" lastPageId="16" lastPageNumber="389" pageId="13" pageNumber="386">
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<subSubSection box="[1012,1294,1729,1751]" pageId="13" pageNumber="386" type="nomenclature">
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<paragraph blockId="13.[1012,1294,1729,1751]" box="[1012,1294,1729,1751]" pageId="13" pageNumber="386">
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<heading box="[1012,1294,1729,1751]" centered="true" fontSize="36" level="2" pageId="13" pageNumber="386" reason="2">
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<taxonomicName ID-CoL="9GJ3S" ID-ENA="2961550" box="[1012,1294,1729,1751]" class="Trematoda" family="Azygiidae" genus="Leuceruthrus" isUncertain="true" kingdom="Animalia" order="Plagiorchiida" pageId="13" pageNumber="386" phylum="Platyhelminthes" rank="species" species="ksepkai">
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<emphasis bold="true" box="[1012,1294,1729,1751]" pageId="13" pageNumber="386">
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<emphasis bold="true" box="[1012,1163,1729,1751]" italics="true" pageId="13" pageNumber="386">Leuceruthrus</emphasis>
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cf.
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<emphasis bold="true" box="[1207,1294,1729,1751]" italics="true" pageId="13" pageNumber="386">ksepkai</emphasis>
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="16" lastPageNumber="389" pageId="13" pageNumber="386" type="description">
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<paragraph blockId="13.[1069,1239,1761,1780]" box="[1069,1239,1761,1780]" pageId="13" pageNumber="386">
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(
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<figureCitation box="[1072,1146,1761,1780]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="13" pageNumber="386">Fig. 14</figureCitation>
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; Table II)
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</paragraph>
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<paragraph blockId="13.[818,1488,1816,1956]" lastBlockId="14.[845,1516,202,1956]" lastPageId="14" lastPageNumber="387" pageId="13" pageNumber="386">
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<emphasis italics="true" pageId="13" pageNumber="386">
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Diagnosis of adult (based on light microscopy of 5 stained, wholemounted adult specimens) (
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<figureCitation box="[1099,1180,1846,1867]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="13" pageNumber="386">Fig. 14</figureCitation>
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):
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</emphasis>
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Body of adult,
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<geoCoordinate box="[1365,1419,1846,1868]" degrees="3,840" direction="north" orientation="latitude" pageId="13" pageNumber="386" precision="55" value="3.84">3,840</geoCoordinate>
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<geoCoordinate box="[1433,1487,1846,1868]" degrees="6,260" direction="east" orientation="longitude" pageId="13" pageNumber="386" precision="55" value="6.26">6,260</geoCoordinate>
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(4,904, 5) long or 1.7 3.0 (2.4, 5) X longer than wide, width at level of oral sucker
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<geoCoordinate box="[1017,1071,1905,1927]" degrees="1,800" direction="north" orientation="latitude" pageId="13" pageNumber="386" precision="55" value="1.8">1,800</geoCoordinate>
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<geoCoordinate box="[1085,1139,1905,1927]" degrees="2,060" direction="east" orientation="longitude" pageId="13" pageNumber="386" precision="55" value="2.06">2,060</geoCoordinate>
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(1,928, 5) width at level of ventral sucker
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<geoCoordinate box="[897,951,1934,1956]" degrees="1,800" direction="north" orientation="latitude" pageId="13" pageNumber="386" precision="55" value="1.8">1,800</geoCoordinate>
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<geoCoordinate box="[965,1019,1934,1956]" degrees="2,500" direction="east" orientation="longitude" pageId="13" pageNumber="386" precision="55" value="2.5">2,500</geoCoordinate>
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(2,064, 5) (
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<figureCitation box="[1155,1235,1934,1956]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="13" pageNumber="386">Fig. 14</figureCitation>
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); forebody
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<geoCoordinate box="[1365,1419,1934,1956]" degrees="1,400" direction="north" orientation="latitude" pageId="13" pageNumber="386" precision="55" value="1.4">1,400</geoCoordinate>
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<geoCoordinate box="[1433,1487,1934,1956]" degrees="2,460" direction="east" orientation="longitude" pageId="13" pageNumber="386" precision="55" value="2.46">2,460</geoCoordinate>
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(1,888, 5) long or 33 42% (38%, 5) of overall body length; hindbody
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<geoCoordinate box="[955,1009,232,254]" degrees="1,550" direction="north" orientation="latitude" pageId="14" pageNumber="387" precision="55" value="1.55">1,550</geoCoordinate>
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<geoCoordinate box="[1023,1077,232,254]" degrees="3,004" direction="east" orientation="longitude" pageId="14" pageNumber="387" precision="55" value="3.004">3,004</geoCoordinate>
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(2,381, 5) long or 38 58% (48%, 5) of overall body length, 0.90 1.6 (1.3, 5) X greater than forebody length; tegument unarmed, smooth, approximately 20 40 (28, 5) thick. Excretory system difficult to trace anteriorly branches joining at 81 91% (87%, 5) of body length from anterior body margin, forming excretory bladder (
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<figureCitation box="[1230,1308,381,403]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="14" pageNumber="387">Fig. 14</figureCitation>
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); excretory bladder 280 360 (340, 5) long, 70 160 (98, 5) wide, becoming confluent with diminutive excretory duct posteriorly; excretory duct 110 280 (184, 5) long, communicating excretory bladder and terminal excretory pore (
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<figureCitation box="[1111,1190,501,523]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="14" pageNumber="387">Fig. 14</figureCitation>
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). Nervous system not evident. Oral sucker
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<geoCoordinate box="[975,1029,531,553]" degrees="1,030" direction="north" orientation="latitude" pageId="14" pageNumber="387" precision="55" value="1.03">1,030</geoCoordinate>
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<geoCoordinate box="[1043,1097,531,553]" degrees="1,340" direction="east" orientation="longitude" pageId="14" pageNumber="387" precision="55" value="1.34">1,340</geoCoordinate>
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(1,150, 5) long or 21 27% (24%, 5) of body length or 54 74% (62%, 5) of forebody length (
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<figureCitation box="[1425,1502,561,583]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="14" pageNumber="387">Fig. 14</figureCitation>
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),
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<geoCoordinate box="[845,899,590,612]" degrees="1,110" direction="north" orientation="latitude" pageId="14" pageNumber="387" precision="55" value="1.11">1,110</geoCoordinate>
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<geoCoordinate box="[913,967,590,612]" degrees="1,340" direction="east" orientation="longitude" pageId="14" pageNumber="387" precision="55" value="1.34">1,340</geoCoordinate>
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(1,222, 5) wide or 55 67% (62%, 5) of body width, anterior margin 4 8% (5%, 5) of body length from anterior body end, posterior margin 160 920 (494, 5) from anterior margin of ventral sucker (
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<figureCitation box="[1007,1083,680,702]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="14" pageNumber="387">Fig. 14</figureCitation>
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). Ventral sucker in anterior half of body, 690 860 (772, 5) long or 14 20% (16%, 5) of body length, 740 880 (797, 5) wide or 36 43% (40%, 5) of body width at level of ventral sucker, 64 74% (67%, 5) of oral sucker length, 60 69% (65%, 5) of oral sucker width (
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<figureCitation box="[1259,1335,799,821]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="14" pageNumber="387">Fig. 14</figureCitation>
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). Mouth opening ventrally (
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<figureCitation box="[948,1022,829,851]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="14" pageNumber="387">Fig. 14</figureCitation>
|
||
). Pharynx ovoid, 300 370 (334, 5) long or 5 9% (7%, 5) of body length, 230 350 (316, 5) wide (
|
||
<figureCitation box="[1418,1503,859,881]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="14" pageNumber="387">Fig. 14</figureCitation>
|
||
). Esophagus extending posteriad from mouth approximately 175 435 (341, 13), esophagus bifurcation and esophageal branches difficult to discern from surrounding tissue (stylized in illustration [
|
||
<figureCitation box="[976,1055,978,1000]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="14" pageNumber="387">Fig. 14</figureCitation>
|
||
]); dextral cecum
|
||
<geoCoordinate box="[1245,1299,978,1000]" degrees="3,760" direction="north" orientation="latitude" pageId="14" pageNumber="387" precision="55" value="3.76">3,760</geoCoordinate>
|
||
<geoCoordinate box="[1313,1367,978,1000]" degrees="4,160" direction="east" orientation="longitude" pageId="14" pageNumber="387" precision="55" value="4.16">4,160</geoCoordinate>
|
||
(3,950, 3) or 78 91% (84%, 3) of body length, prececal space, 860–1,260 (1,138, 4) or 22 31% (25%, 4) [18%] of body length from anterior end of body, postcecal space, 270 500 (384, 5) or 5 12% (8%, 5) of body length from posterior end of body; sinistral cecum
|
||
<geoCoordinate box="[845,899,1128,1150]" degrees="3,900" direction="north" orientation="latitude" pageId="14" pageNumber="387" precision="55" value="3.9">3,900</geoCoordinate>
|
||
<geoCoordinate box="[913,967,1128,1150]" degrees="4,050" direction="east" orientation="longitude" pageId="14" pageNumber="387" precision="55" value="4.05">4,050</geoCoordinate>
|
||
(3,975, 3) or 77 96% (84%, 3) of body length, prececal space
|
||
<geoCoordinate box="[995,1049,1158,1180]" degrees="1,000" direction="north" orientation="latitude" pageId="14" pageNumber="387" precision="55" value="1.0">1,000</geoCoordinate>
|
||
<geoCoordinate box="[1049,1116,1158,1180]" degrees="1,300" direction="west" orientation="longitude" pageId="14" pageNumber="387" precision="55" value="-1.3">–1,300</geoCoordinate>
|
||
(1,163, 4) or 23 31% (26%, 4) of body length from anterior end of body, postcecal space 300 480 (374, 5) or 5 10% (8%, 5) of body length from posterior end of body.
|
||
</paragraph>
|
||
<paragraph blockId="14.[845,1516,202,1956]" lastBlockId="15.[117,787,1335,1956]" lastPageId="15" lastPageNumber="388" pageId="14" pageNumber="387">
|
||
Testes oblique to askew, always posterior of horizontal midline of ventral sucker, oval to suboval (
|
||
<figureCitation box="[1201,1275,1277,1299]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="14" pageNumber="387">Fig. 14</figureCitation>
|
||
); dextral testis 350 400 (375, 2) long or 8% (2) of body length, 370 380 (375, 2) wide or 18% (2) of body width, pretestis space,
|
||
<geoCoordinate box="[1283,1337,1337,1359]" degrees="2,040" direction="north" orientation="latitude" pageId="14" pageNumber="387" precision="55" value="2.04">2,040</geoCoordinate>
|
||
<geoCoordinate box="[1337,1403,1337,1359]" degrees="2,200" direction="west" orientation="longitude" pageId="14" pageNumber="387" precision="55" value="-2.2">–2,200</geoCoordinate>
|
||
(2,120, 2) from anterior end of body or 40 53% (47%, 2) of total body length, posttestis space,
|
||
<geoCoordinate box="[1092,1146,1397,1419]" degrees="2,560" direction="north" orientation="latitude" pageId="14" pageNumber="387" precision="55" value="2.56">2,560</geoCoordinate>
|
||
<geoCoordinate box="[1160,1214,1397,1419]" degrees="2,640" direction="east" orientation="longitude" pageId="14" pageNumber="387" precision="55" value="2.64">2,640</geoCoordinate>
|
||
(2,600, 2) from posterior end of body or 52 62% (57%, 2) of total body length; sinistral testis 350 470 (393, 3) long or 7 9% (8%, 3) of body length, 320 410 (353, 3) wide or 15 20% (18%, 3) of body width, pretestis space
|
||
<geoCoordinate box="[845,899,1516,1538]" degrees="2,060" direction="north" orientation="latitude" pageId="14" pageNumber="387" precision="55" value="2.06">2,060</geoCoordinate>
|
||
<geoCoordinate box="[913,967,1516,1538]" degrees="2,340" direction="east" orientation="longitude" pageId="14" pageNumber="387" precision="55" value="2.34">2,340</geoCoordinate>
|
||
(2,163, 3) from anterior end of body or 41 50% (45%, 3) of total body length, posttestis space
|
||
<geoCoordinate box="[1318,1372,1546,1568]" degrees="2,520" direction="north" orientation="latitude" pageId="14" pageNumber="387" precision="55" value="2.52">2,520</geoCoordinate>
|
||
<geoCoordinate box="[1385,1439,1546,1568]" degrees="2,760" direction="east" orientation="longitude" pageId="14" pageNumber="387" precision="55" value="2.76">2,760</geoCoordinate>
|
||
(2,603, 3) from posterior end of body or 48 67% (55%, 3) of total body length. Vasa efferentia not evident. Prostatic sac oval appearing densely filled with glandular cells, anterior margin 0 550 (232, 5) from posterior margin of oral sucker, 250 320 (286, 5) long, 290 330 (264, 5) wide (
|
||
<figureCitation box="[1095,1173,1695,1717]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="14" pageNumber="387">Fig. 14</figureCitation>
|
||
). Fine features of terminal male genitalia (i.e., seminal vesicle, pars prostatica, ejaculatory duct, sinus organ) difficult to delineate within prostatic sac; seminal vesicle present. Hermaphroditic pore directed ventrally, at 33 39% (36%, 3) of body length from anterior end of body. Genital atrium circular in outline, with seemingly strongly muscularized rim, 90 280 (186, 4) in diameter, 1 of 5 (20%) specimens containing
|
||
<emphasis bold="true" box="[1077,1095,1904,1925]" pageId="14" pageNumber="387">~</emphasis>
|
||
35 uterine eggs. Genital pore near level with, or slightly posterior of midline of prostatic sac, opening ventrally at 34 41% (37%, 4) of total body length from anterior end of body (
|
||
<figureCitation box="[258,334,1365,1387]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="15" pageNumber="388">Fig. 14</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7753951" ID-Zenodo-Dep="7753951" httpUri="https://zenodo.org/record/7753951/files/figure.png" pageId="14" pageNumber="387" startId="14.[168,233,1631,1650]" targetBox="[150,812,202,1604]" targetPageId="14">
|
||
<paragraph blockId="14.[144,814,1631,1769]" pageId="14" pageNumber="387">
|
||
<emphasis bold="true" box="[168,302,1631,1650]" pageId="14" pageNumber="387">Figures 15–17.</emphasis>
|
||
Naturally shed cercaria of
|
||
<taxonomicName authorityName="Bullard" authorityYear="2022" box="[579,760,1631,1650]" class="Trematoda" family="Azygiidae" genus="Leuceruthrus" kingdom="Animalia" order="Plagiorchiida" pageId="14" pageNumber="387" phylum="Platyhelminthes" rank="species" species="blaisei">
|
||
<emphasis box="[579,760,1631,1650]" italics="true" pageId="14" pageNumber="387">Leuceruthrus blaisei</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<taxonomicName box="[144,264,1655,1674]" class="Gastropoda" family="Pleuroceridae" genus="Elimia" kingdom="Animalia" pageId="14" pageNumber="387" phylum="Mollusca" rank="species" species="undefined-2">
|
||
<emphasis box="[144,202,1655,1674]" italics="true" pageId="14" pageNumber="387">Elimia</emphasis>
|
||
sp. 2
|
||
</taxonomicName>
|
||
from Simmons Creek, Alabama. (
|
||
<emphasis bold="true" box="[609,630,1655,1674]" pageId="14" pageNumber="387">15</emphasis>
|
||
) Cercaria (USNM 1593592) showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), ovary (o), testes (t), and furcae (f). Dorsal view. (
|
||
<emphasis bold="true" box="[661,682,1702,1721]" pageId="14" pageNumber="387">16</emphasis>
|
||
) Anterior tail stem showing tegumental protuberances densely distributed near tail cavity opening (arrowheads). (
|
||
<emphasis bold="true" box="[424,445,1750,1769]" pageId="14" pageNumber="387">17</emphasis>
|
||
) Furcae (f).
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7753953" ID-Zenodo-Dep="7753953" httpUri="https://zenodo.org/record/7753953/files/figure.png" pageId="15" pageNumber="388" startId="15.[141,198,1247,1266]" targetBox="[117,1480,203,1192]" targetPageId="15">
|
||
<paragraph blockId="15.[117,1487,1247,1290]" pageId="15" pageNumber="388">
|
||
<emphasis bold="true" box="[141,255,1247,1266]" pageId="15" pageNumber="388">Figure 18.—</emphasis>
|
||
Maximum likelihood phylogenetic tree based on the internal transcribed spacer 2 (
|
||
<emphasis box="[1027,1073,1248,1267]" italics="true" pageId="15" pageNumber="388">ITS2</emphasis>
|
||
). Support values aside each node. Cercariae accompany the end of each branch.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph blockId="15.[117,787,1335,1956]" lastBlockId="15.[818,1488,1335,1956]" pageId="15" pageNumber="388">
|
||
Ovary 200 360 (298, 5) long or 5 9% (6%, 5) of body length, 200 390 (313, 4) wide or 11 19% (16%, 4) of body width, postovary space 880 1,100 (1,028, 5) or 17 27% (17%, 9) [22%] of body length (
|
||
<figureCitation box="[280,354,1485,1507]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="15" pageNumber="388">Fig. 14</figureCitation>
|
||
). Fine features of the female genitalia (i.e., oviduct, Laurer’s canal, ovovitelline duct, and oötype) difficult to discern, putative highly glandular Mehlis’ complex present anterior to ovary (
|
||
<figureCitation box="[354,446,1575,1597]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="15" pageNumber="388">Fig. 14</figureCitation>
|
||
). Uterus comprising a field
|
||
<geoCoordinate box="[117,171,1605,1627]" degrees="1,840" direction="north" orientation="latitude" pageId="15" pageNumber="388" precision="55" value="1.84">1,840</geoCoordinate>
|
||
<geoCoordinate box="[185,239,1605,1627]" degrees="1,940" direction="east" orientation="longitude" pageId="15" pageNumber="388" precision="55" value="1.94">1,940</geoCoordinate>
|
||
(1,890, 2) long or 36 47% (42%, 2) of body length, proximal end extending anteriad from ovary, looping laterally between ceca posterior to testes, extending through space between testes (
|
||
<figureCitation box="[187,261,1695,1717]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="15" pageNumber="388">Fig. 14</figureCitation>
|
||
), distal portion of uterus difficult to delineate from surrounding tissue, synthesis with metraterm not evident; uterine seminal receptacle not evident; metraterm not evident. Vitellarium extending from near level of, or slightly posterior of, horizontal midline of ventral sucker, to near posterior end of body (
|
||
<figureCitation box="[700,774,1814,1836]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="15" pageNumber="388">Fig. 14</figureCitation>
|
||
), maximum distance between fields
|
||
<geoCoordinate box="[504,558,1844,1866]" degrees="1,000" direction="north" orientation="latitude" pageId="15" pageNumber="388" precision="55" value="1.0">1,000</geoCoordinate>
|
||
<geoCoordinate box="[572,626,1844,1866]" degrees="1,440" direction="east" orientation="longitude" pageId="15" pageNumber="388" precision="55" value="1.44">1,440</geoCoordinate>
|
||
(1,214, 5) or 53 70% (62%, 5) of body width; dextral vitelline field
|
||
<geoCoordinate box="[117,171,1904,1926]" degrees="1,910" direction="north" orientation="latitude" pageId="15" pageNumber="388" precision="55" value="1.91">1,910</geoCoordinate>
|
||
<geoCoordinate box="[185,239,1904,1926]" degrees="2,920" direction="east" orientation="longitude" pageId="15" pageNumber="388" precision="55" value="2.92">2,920</geoCoordinate>
|
||
(2,378, 5) long or 44 57% (49%, 5) of body length, terminating anteriorly at 41 54% (49%, 4) of body length, terminating posteriorly at 87 95% (90%, 4) of body length, 58 62% (60%, 3) of dextral cecum length; sinistral vitelline field
|
||
<geoCoordinate box="[818,872,1395,1417]" degrees="1,730" direction="north" orientation="latitude" pageId="15" pageNumber="388" precision="55" value="1.73">1,730</geoCoordinate>
|
||
<geoCoordinate box="[886,940,1395,1417]" degrees="3,200" direction="east" orientation="longitude" pageId="15" pageNumber="388" precision="55" value="3.2">3,200</geoCoordinate>
|
||
(2,492, 5) long or 45 66% (51%, 5) of body length, terminating anteriorly at 42 54% (47%, 5) of body length, terminating posteriorly at 88 96% (92%, 5) of body length, 58 68% (63%, 5) of sinistral cecum length; primary vitelline collecting ducts nearly symmetrical, extending posteromediad from respective vitelline field before becoming confluent and forming vitelline reservoir; dextral vitelline collecting duct 350 720 (535, 2) long, proximal end branches from vitellarium at 38 57% (47%, 2) of dextral vitelline field length; sinistral vitelline collecting duct 450 550 (500, 2) long, proximal end branches from vitellarium at 50 54% (52%, 2) of sinistral vitelline field length; vitelline reservoir dorsal to ovary (
|
||
<figureCitation box="[1399,1476,1724,1746]" captionStart="Figures 9–14" captionStartId="11.[141,206,1816,1835]" captionTargetBox="[136,1464,203,1789]" captionTargetId="figure-1@11.[136,1469,202,1789]" captionTargetPageId="11" captionText="Figures 9–14. Leuceruthrus from Holmes Creek, Florida. (9–13) Naturally shed cercaria of Leuceruthrus ksepkai n. sp. from Elimia floridensis from Holmes Creek, Florida. (9) Cercaria (USNM 1593587) showing tail cavity opening (tco), position of anterior ridge (ar), and anterior collar (ac), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o), and paired oblong furcae (f). Dorsal view. (10) Anterior portion of tail stem accommodating the withdrawn distome. (11) Illustration of posterior tail stem showing position of associated protuberances. (12) Posterior tail stem showing position of associated protuberances. SEM. (13) Highmagnification view of a posterior tail stem protuberance. SEM. (14) Adult of Leuceruthrus cf. ksepkai from stomach of largemouth bass, Micropterus salmoides from Holmes Creek, Florida (USNM 1593590) showing mouth (m), pharynx (p), ceca (c), prostatic sac (ps), genital pore (gp), ventral sucker (vs), testes (t), distal portion of uterus (ud), vitellarium (vi), origin of uterus (uo), ovary (o), vitelline reservoir (vr), excretory duct (ed), excretory bladder (eb), and excretory pore (ep). Ventral view." figureDoi="http://doi.org/10.5281/zenodo.7753949" httpUri="https://zenodo.org/record/7753949/files/figure.png" pageId="15" pageNumber="388">Fig. 14</figureCitation>
|
||
). Uterine eggs present in specimens greater than 4 (mm) in total body length, pyriform, varying in size from approximately 50 to 60 (55, 5) X 30 to 40 (37, 5) to approximately 70 (5) X 30 40 (37, 5).
|
||
</paragraph>
|
||
<paragraph blockId="15.[818,1488,1335,1956]" lastBlockId="16.[144,814,202,1956]" lastPageId="16" lastPageNumber="389" pageId="15" pageNumber="388">
|
||
<emphasis italics="true" pageId="15" pageNumber="388">Diagnosis of young adult (based on light microscopy of 6 stained, whole-mounted specimens):</emphasis>
|
||
Body
|
||
<geoCoordinate box="[1170,1224,1904,1926]" degrees="2,260" direction="north" orientation="latitude" pageId="15" pageNumber="388" precision="55" value="2.26">2,260</geoCoordinate>
|
||
<geoCoordinate box="[1238,1292,1904,1926]" degrees="3,340" direction="east" orientation="longitude" pageId="15" pageNumber="388" precision="55" value="3.34">3,340</geoCoordinate>
|
||
(2,960, 6) long or 2.2 3.2 (2.9, 6) X longer than wide, width at level of oral sucker
|
||
<geoCoordinate box="[144,198,202,224]" degrees="1,040" direction="north" orientation="latitude" pageId="16" pageNumber="389" precision="55" value="1.04">1,040</geoCoordinate>
|
||
<geoCoordinate box="[212,266,202,224]" degrees="1,300" direction="east" orientation="longitude" pageId="16" pageNumber="389" precision="55" value="1.3">1,300</geoCoordinate>
|
||
(1,156, 6) wide, width at level of ventral sucker 820 1,180 (1,040, 6); forebody
|
||
<geoCoordinate box="[486,540,232,254]" degrees="1,060" direction="north" orientation="latitude" pageId="16" pageNumber="389" precision="55" value="1.06">1,060</geoCoordinate>
|
||
<geoCoordinate box="[553,607,232,254]" degrees="1,560" direction="east" orientation="longitude" pageId="16" pageNumber="389" precision="55" value="1.56">1,560</geoCoordinate>
|
||
(1,322, 6) long or 39 50% (45%, 6) of overall body length; hindbody 770 1,455 (1,223, 6) long or 34 45% (40%, 6) of overall body length, typically less than forebody length; tegument unarmed, smooth, approximately 20 60 (34, 6) thick, 2 of
|
||
<specimenCount box="[576,700,349,371]" pageId="16" pageNumber="389" type="generic">6 specimens</specimenCount>
|
||
enveloped with a thicker, yet distinct layer of tegument (¼possibly tail stem cavity of cercaria). Excretory system not evident anteriorly, branches joining at 87 93% (90%, 6) of body length from anterior body end, forming excretory bladder; excretory bladder 155 250 (185, 5) long, 30 50 (40, 4) wide, becoming confluent with diminutive excretory duct posteriorly; excretory duct extending 105 140 (122, 4) from posterior margin of excretory bladder to terminal excretory pore. Nervous system not evident. Oral sucker 560 790 (712, 6) long or 22 29% (24%, 6) of body length, 540 820 (735, 6) wide or 66 76% (71%, 6) of body width, anterior margin 2 3% (2%, 6) of body length from anterior body end, posterior margin 260 665 (476, 6) from anterior margin of ventral sucker. Ventral sucker near horizontal midline of body, 370 535 (474, 6) or 14 20% (16%, 6) of body length, 400 530 (498, 6) or 45 50% (48%, 6) of body width, 62 68% (66%, 6) of oral sucker length 65 74% (68%, 6) of oral sucker width. Mouth opening ventrally. Pharynx ovoid, 150 230 (195, 6) long or 6 9% (7%, 6) of body length 170 230 (212, 6) wide (
|
||
<figureCitation box="[621,684,877,899]" captionStart="Figures 3–8" captionStartId="9.[141,206,1777,1796]" captionTargetBox="[137,768,202,1750]" captionTargetId="figure-620@9.[136,768,202,1750]" captionTargetPageId="9" captionText="Figures 3–8. Naturally shed cercaria of Leuceruthrus cf. stephanocauda from Elimia spp. from Big Canoe Creek, Alabama. (3) Cercaria (USNM 1593584) showing tail cavity opening (tco), position of tail stem spines (s), anterior (ats) and posterior tail stem (pts) regions, location of the distome, showing pharynx (p), ceca (c), prostatic sac (ps), ventral sucker (vs), testes (t), ovary (o),, and paired lanceolate furcae (f). Dorsal view. (4) Anterior tail stem region showing anterior row of tail stem spines (arrowheads). (5) Tail stem spine. (6) Tail stem spine. (7) Anterior tail stem showing posterior row of tail stem spines (arrowheads). (8) Posterior tail stem showing marginal placement of associated protuberances (p)." figureDoi="http://doi.org/10.5281/zenodo.7753947" httpUri="https://zenodo.org/record/7753947/files/figure.png" pageId="16" pageNumber="389">Fig. 4</figureCitation>
|
||
). Esophagus extending posteriad from mouth approximately 295 450 (388, 6), before bifurcating 20 30 (25, 6) posterior to pharynx; dextral esophageal branch 100 230 (154, 6) long, sinistral esophageal branch 90 200 (144, 6) long; dextral cecum
|
||
<geoCoordinate box="[590,644,995,1017]" degrees="1,640" direction="north" orientation="latitude" pageId="16" pageNumber="389" precision="55" value="1.64">1,640</geoCoordinate>
|
||
<geoCoordinate box="[658,712,995,1017]" degrees="2,800" direction="east" orientation="longitude" pageId="16" pageNumber="389" precision="55" value="2.8">2,800</geoCoordinate>
|
||
(2,368, 6) or 72 84% (77%, 6) of body length, prececal space 660 890 (762, 6) or 22 29% (25%, 6) of body length from anterior end of body, postcecal space 100 300 (200, 6) or 4 9% (6%, 6) of body length from posterior end of body; sinistral cecum
|
||
<geoCoordinate box="[590,644,1112,1134]" degrees="1,710" direction="north" orientation="latitude" pageId="16" pageNumber="389" precision="55" value="1.71">1,710</geoCoordinate>
|
||
<geoCoordinate box="[658,712,1112,1134]" degrees="2,750" direction="east" orientation="longitude" pageId="16" pageNumber="389" precision="55" value="2.75">2,750</geoCoordinate>
|
||
(2,354, 6) or 72 82% (76%, 6) of body length, prececal space 650 860 (757, 6) or 22 29% (26%, 6) of body length from anterior end of body, postcecal space 75 330 (194, 6) or 3 10% (6%, 6) of body length from posterior end of body.
|
||
</paragraph>
|
||
<paragraph blockId="16.[144,814,202,1956]" pageId="16" pageNumber="389">
|
||
Testes abreast, always posterior of horizontal midline of ventral sucker, oval; dextral testis 150 270 (223, 6) long or 6 10% (8%, 6) of body length, 100 190 (161, 6) wide or 12 18% (15%, 6) of body width, pretestis space
|
||
<geoCoordinate box="[435,489,1347,1369]" degrees="1,420" direction="north" orientation="latitude" pageId="16" pageNumber="389" precision="55" value="1.42">1,420</geoCoordinate>
|
||
<geoCoordinate box="[503,557,1347,1369]" degrees="1,950" direction="east" orientation="longitude" pageId="16" pageNumber="389" precision="55" value="1.95">1,950</geoCoordinate>
|
||
(1,734, 6) from anterior end of body or 51 63% (57%, 6) of total body length, posttestis space 660 1,380 (1,085, 6) from posterior end of body or 29 43% (36%, 6) of total body length; sinistral testis 140 300 (222, 6) long or 5 9% (7%, 6) of body length, 95 190 (155, 6) wide or 12 18% (15%, 6) of body width, pretestis space
|
||
<geoCoordinate box="[581,635,1494,1516]" degrees="1,420" direction="north" orientation="latitude" pageId="16" pageNumber="389" precision="55" value="1.42">1,420</geoCoordinate>
|
||
<geoCoordinate box="[648,702,1494,1516]" degrees="1,950" direction="east" orientation="longitude" pageId="16" pageNumber="389" precision="55" value="1.95">1,950</geoCoordinate>
|
||
(1,762, 6) from anterior end of body or 51 63% (58%, 6) of total body length, posttestis space 680 1,320 (1,081, 6) from posterior end of body or 30 41% (36%, 6) of total body length. Vasa efferentia indistinct in whole-mounted specimens. Prostatic sac 95 210 (155, 6) long, 60 165 (141, 6) wide, anterior margin 105 440 (319, 6) from posterior margin of oral sucker. Features of terminal male genitalia (i.e., seminal vesicle, pars prostatica, ejaculatory duct, sinus organ) appearing as anlagen, difficult to discern. Genital pore near level with, or slightly posterior of midline of prostatic sac, opening ventrally at 39 56% (46%, 6) of total body length from anterior end of body.
|
||
</paragraph>
|
||
<paragraph blockId="16.[144,814,202,1956]" lastBlockId="16.[845,1516,202,372]" pageId="16" pageNumber="389">Ovary 95 180 (139, 6) long or 4 6% (5%, 6) of body length, 70 120 (100, 6) wide or 8 12% (10%, 6) of body width, postovary space 250 850 (640, 6) or 11 26% (21%, 6) of body length. Fine details of the female genitalia (i.e., oviduct, Laurer’s canal, ovovitelline duct, oötype, and Mehlis’ gland) appearing as anlagen, difficult to discern. Uterus extending in straight line anteriorly, from near anterior margin of ovary, passing between testes, becoming indistinct distally; uterine seminal receptacle not evident; metraterm not evident. Vitellarium not developed. Uterine eggs none present.</paragraph>
|
||
<paragraph blockId="16.[845,1413,408,430]" box="[845,1413,408,430]" pageId="16" pageNumber="389">
|
||
<emphasis bold="true" box="[845,1413,408,430]" pageId="16" pageNumber="389">
|
||
Taxonomic summary for
|
||
<taxonomicName box="[1131,1413,408,430]" class="Trematoda" family="Azygiidae" genus="Leuceruthrus" isUncertain="true" kingdom="Animalia" order="Plagiorchiida" pageId="16" pageNumber="389" phylum="Platyhelminthes" rank="species" species="ksepkai">
|
||
<emphasis bold="true" box="[1131,1282,408,430]" italics="true" pageId="16" pageNumber="389">Leuceruthrus</emphasis>
|
||
cf.
|
||
<emphasis bold="true" box="[1326,1413,408,430]" italics="true" pageId="16" pageNumber="389">ksepkai</emphasis>
|
||
</taxonomicName>
|
||
</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="16.[845,1515,454,742]" box="[869,1351,454,476]" pageId="16" pageNumber="389">
|
||
<emphasis box="[869,1161,454,475]" italics="true" pageId="16" pageNumber="389">
|
||
Host:
|
||
<taxonomicName authority="Patton (1976)" box="[934,1161,454,475]" class="Actinopterygii" family="Centrarchidae" genus="Micropterus" kingdom="Animalia" order="Perciformes" pageId="16" pageNumber="389" phylum="Chordata" rank="species" species="salmoides">Micropterus salmoides</taxonomicName>
|
||
</emphasis>
|
||
, largemouth bass.
|
||
</paragraph>
|
||
<paragraph blockId="16.[845,1515,454,742]" box="[869,1491,480,506]" pageId="16" pageNumber="389">
|
||
<emphasis box="[869,961,484,505]" italics="true" pageId="16" pageNumber="389">Locality:</emphasis>
|
||
<materialsCitation box="[968,1487,480,506]" latitude="30.606945" location="Holmes Creek" longLatPrecision="20" longitude="-85.74694" pageId="16" pageNumber="389" specimenCount="1" stateProvince="Florida">
|
||
<location LSID="urn:lsid:plazi:treatment:039987AB2164FFF816D948D0AF3F92C5:8EEF60662179FFF816E54FF5AF7290C0" box="[968,1115,484,506]" latitude="30.606945" longLatPrecision="20" longitude="-85.74694" name="Holmes Creek" pageId="16" pageNumber="389" stateProvince="Florida">Holmes Creek</location>
|
||
(
|
||
<geoCoordinate box="[1130,1251,480,506]" degrees="30" direction="north" minutes="36" orientation="latitude" pageId="16" pageNumber="389" precision="15" seconds="25" value="30.606945">
|
||
30°36
|
||
<emphasis box="[1189,1194,480,495]" italics="true" pageId="16" pageNumber="389">
|
||
<superScript attach="right" box="[1189,1194,480,495]" fontSize="6" pageId="16" pageNumber="389">′</superScript>
|
||
</emphasis>
|
||
25
|
||
<emphasis box="[1220,1228,480,495]" italics="true" pageId="16" pageNumber="389">
|
||
<superScript attach="right" box="[1220,1228,480,495]" fontSize="6" pageId="16" pageNumber="389">′′</superScript>
|
||
</emphasis>
|
||
N
|
||
</geoCoordinate>
|
||
,
|
||
<geoCoordinate box="[1263,1388,480,506]" degrees="85" direction="west" minutes="44" orientation="longitude" pageId="16" pageNumber="389" precision="15" seconds="49" value="-85.74694">
|
||
85°44
|
||
<emphasis box="[1320,1325,480,495]" italics="true" pageId="16" pageNumber="389">
|
||
<superScript attach="none" box="[1320,1325,480,495]" fontSize="6" pageId="16" pageNumber="389">′</superScript>
|
||
</emphasis>
|
||
49
|
||
<emphasis box="[1352,1360,480,495]" italics="true" pageId="16" pageNumber="389">
|
||
<superScript attach="right" box="[1352,1360,480,495]" fontSize="6" pageId="16" pageNumber="389">′′</superScript>
|
||
</emphasis>
|
||
W
|
||
</geoCoordinate>
|
||
),
|
||
<collectingRegion box="[1407,1487,484,506]" country="United States of America" name="Florida" pageId="16" pageNumber="389">Florida</collectingRegion>
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph blockId="16.[845,1515,454,742]" pageId="16" pageNumber="389">
|
||
<emphasis box="[869,1228,514,535]" italics="true" pageId="16" pageNumber="389">Specimens and sequences deposited:</emphasis>
|
||
Vouchers (USNM 1593589 [juvenile]; USNM 1593590 and USNM 1593591 [adults]); ITS2 (adults, GenBank ON877230, ON877231).
|
||
</paragraph>
|
||
<paragraph blockId="16.[845,1515,454,742]" box="[869,1339,602,624]" pageId="16" pageNumber="389">
|
||
<emphasis box="[869,992,602,623]" italics="true" pageId="16" pageNumber="389">Site in host:</emphasis>
|
||
Adults and juveniles in stomach.
|
||
</paragraph>
|
||
<paragraph blockId="16.[845,1515,454,742]" box="[869,1385,631,653]" pageId="16" pageNumber="389">
|
||
<emphasis box="[869,992,632,653]" italics="true" pageId="16" pageNumber="389">Site in host:</emphasis>
|
||
Adults and young adults in stomach.
|
||
</paragraph>
|
||
<paragraph blockId="16.[845,1515,454,742]" pageId="16" pageNumber="389">
|
||
<emphasis box="[869,1240,661,682]" italics="true" pageId="16" pageNumber="389">Prevalence and intensity of infection:</emphasis>
|
||
<materialsCitation latitude="30.606945" location="Holmes Creek" longLatPrecision="20" longitude="-85.74694" pageId="16" pageNumber="389" specimenCount="1">
|
||
6 of 6 (100%) largemouth bass from
|
||
<location LSID="urn:lsid:plazi:treatment:039987AB2164FFF816D948D0AF3F92C5:8EEF60662179FFF816944CA3AF6393F2" box="[953,1098,690,712]" latitude="30.606945" longLatPrecision="20" longitude="-85.74694" name="Holmes Creek" pageId="16" pageNumber="389">Holmes Creek</location>
|
||
(
|
||
<geoCoordinate box="[1112,1233,687,712]" degrees="30" direction="north" minutes="36" orientation="latitude" pageId="16" pageNumber="389" precision="15" seconds="25" value="30.606945">
|
||
30°36
|
||
<emphasis box="[1170,1175,687,702]" italics="true" pageId="16" pageNumber="389">
|
||
<superScript attach="none" box="[1170,1175,687,702]" fontSize="6" pageId="16" pageNumber="389">′</superScript>
|
||
</emphasis>
|
||
25
|
||
<emphasis box="[1202,1210,687,702]" italics="true" pageId="16" pageNumber="389">
|
||
<superScript attach="right" box="[1202,1210,687,702]" fontSize="6" pageId="16" pageNumber="389">′′</superScript>
|
||
</emphasis>
|
||
N
|
||
</geoCoordinate>
|
||
,
|
||
<geoCoordinate box="[1244,1367,687,712]" degrees="85" direction="west" minutes="44" orientation="longitude" pageId="16" pageNumber="389" precision="15" seconds="49" value="-85.74694">
|
||
85°44
|
||
<emphasis box="[1301,1306,687,702]" italics="true" pageId="16" pageNumber="389">
|
||
<superScript attach="none" box="[1301,1306,687,702]" fontSize="6" pageId="16" pageNumber="389">′</superScript>
|
||
</emphasis>
|
||
49
|
||
<emphasis box="[1333,1341,687,702]" italics="true" pageId="16" pageNumber="389">
|
||
<superScript attach="right" box="[1333,1341,687,702]" fontSize="6" pageId="16" pageNumber="389">′′</superScript>
|
||
</emphasis>
|
||
W
|
||
</geoCoordinate>
|
||
) were infected with 1 7 (3) specimens of
|
||
<taxonomicName box="[1119,1257,720,742]" class="Trematoda" family="Azygiidae" genus="Leuceruthrus" isUncertain="true" kingdom="Animalia" order="Plagiorchiida" pageId="16" pageNumber="389" phylum="Platyhelminthes" rank="species" species="ksepkai">
|
||
<emphasis box="[1119,1135,720,741]" italics="true" pageId="16" pageNumber="389">L</emphasis>
|
||
. cf.
|
||
<emphasis box="[1182,1257,720,741]" italics="true" pageId="16" pageNumber="389">ksepkai</emphasis>
|
||
</taxonomicName>
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph blockId="16.[845,1397,778,800]" box="[845,1397,778,800]" pageId="16" pageNumber="389">
|
||
<emphasis bold="true" box="[845,1397,778,800]" pageId="16" pageNumber="389">
|
||
Taxonomic remarks on
|
||
<taxonomicName box="[1116,1397,778,800]" class="Trematoda" family="Azygiidae" genus="Leuceruthrus" isUncertain="true" kingdom="Animalia" order="Plagiorchiida" pageId="16" pageNumber="389" phylum="Platyhelminthes" rank="species" species="ksepkai">
|
||
<emphasis bold="true" box="[1116,1267,778,800]" italics="true" pageId="16" pageNumber="389">Leuceruthrus</emphasis>
|
||
cf.
|
||
<emphasis bold="true" box="[1310,1397,778,800]" italics="true" pageId="16" pageNumber="389">ksepkai</emphasis>
|
||
</taxonomicName>
|
||
</emphasis>
|
||
</paragraph>
|
||
<paragraph blockId="16.[845,1515,824,1023]" pageId="16" pageNumber="389">
|
||
Adults of
|
||
<taxonomicName box="[975,1113,824,846]" class="Trematoda" family="Azygiidae" genus="Leuceruthrus" isUncertain="true" kingdom="Animalia" order="Plagiorchiida" pageId="16" pageNumber="389" phylum="Platyhelminthes" rank="species" species="ksepkai">
|
||
<emphasis box="[975,991,825,846]" italics="true" pageId="16" pageNumber="389">L</emphasis>
|
||
. cf.
|
||
<emphasis box="[1038,1113,825,846]" italics="true" pageId="16" pageNumber="389">ksepkai</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName authorityName="Marshall and Gilbert" authorityYear="1905" box="[1167,1301,825,846]" class="Trematoda" family="Azygiidae" genus="Leuceruthrus" kingdom="Animalia" order="Plagiorchiida" pageId="16" pageNumber="389" phylum="Platyhelminthes" rank="species" species="micropteri">
|
||
<emphasis box="[1167,1301,825,846]" italics="true" pageId="16" pageNumber="389">L. micropteri</emphasis>
|
||
</taxonomicName>
|
||
are morphologically similar but can be readily differentiated.
|
||
<taxonomicName box="[1268,1514,854,876]" class="Trematoda" family="Azygiidae" genus="Leuceruthrus" isUncertain="true" kingdom="Animalia" order="Plagiorchiida" pageId="16" pageNumber="389" phylum="Platyhelminthes" rank="species" species="ksepkai">
|
||
<emphasis box="[1268,1399,854,875]" italics="true" pageId="16" pageNumber="389">Leuceruthrus</emphasis>
|
||
cf.
|
||
<emphasis box="[1439,1514,854,875]" italics="true" pageId="16" pageNumber="389">ksepkai</emphasis>
|
||
</taxonomicName>
|
||
has a proportionally large oral sucker (24% body length and 62% forebody length vs. 18% and 49%, respectively, in
|
||
<taxonomicName authorityName="Marshall and Gilbert" authorityYear="1905" box="[1374,1507,913,934]" class="Trematoda" family="Azygiidae" genus="Leuceruthrus" kingdom="Animalia" order="Plagiorchiida" pageId="16" pageNumber="389" phylum="Platyhelminthes" rank="species" species="micropteri">
|
||
<emphasis box="[1374,1507,913,934]" italics="true" pageId="16" pageNumber="389">L. micropteri</emphasis>
|
||
</taxonomicName>
|
||
) and a small ventral sucker (16% body length vs. 12% in
|
||
<taxonomicName authorityName="Marshall and Gilbert" authorityYear="1905" class="Trematoda" family="Azygiidae" genus="Leuceruthrus" kingdom="Animalia" order="Plagiorchiida" pageId="16" pageNumber="389" phylum="Platyhelminthes" rank="species" species="micropteri">
|
||
<emphasis italics="true" pageId="16" pageNumber="389">L. micropteri</emphasis>
|
||
</taxonomicName>
|
||
). The adults of
|
||
<taxonomicName authorityName="Bullard" authorityYear="2022" baseAuthorityName="Smith" baseAuthorityYear="1935" box="[1119,1227,972,993]" class="Trematoda" family="Azygiidae" genus="Leuceruthrus" kingdom="Animalia" order="Plagiorchiida" pageId="16" pageNumber="389" phylum="Platyhelminthes" rank="species" species="ocalana">
|
||
<emphasis box="[1119,1227,972,993]" italics="true" pageId="16" pageNumber="389">L. ocalana</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName authorityName="Faust" authorityYear="1921" box="[1282,1459,972,993]" class="Trematoda" family="Azygiidae" genus="Leuceruthrus" kingdom="Animalia" order="Plagiorchiida" pageId="16" pageNumber="389" phylum="Platyhelminthes" rank="species" species="stephanocauda">
|
||
<emphasis box="[1282,1459,972,993]" italics="true" pageId="16" pageNumber="389">L. stephanocauda</emphasis>
|
||
</taxonomicName>
|
||
have not been described.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |