<documentid="63D2664652F1A10FC0EA7F98F96372B8"ID-DOI="10.12651/JSR.2024.13.2.185"ID-ISSN="2713-8615"ID-Zenodo-Dep="13344859"IM.bibliography_approvedBy="carolina"IM.illustrations_approvedBy="felipe"IM.materialsCitations_approvedBy="felipe"IM.metadata_approvedBy="felipe"IM.tables_requiresApprovalFor="GgImagineBatch"IM.taxonomicNames_approvedBy="felipe"IM.treatments_approvedBy="felipe"checkinTime="1722550107885"checkinUser="felipe"docAuthor="Lee, Il-Hoi Kim and Taekjun"docDate="2024"docId="ED1887CBFFCAFFDCFF7FB07DB15067F3"docLanguage="en"docName="JSpeciesRes.13.2.185-254.pdf"docOrigin="Journal of Species Research 13 (2)"docStyle="DocumentStyle:4D398BFF45FF8CA9E08F546BB06AE372.2:JSpeciesRes.2012-.journal_article"docStyleId="4D398BFF45FF8CA9E08F546BB06AE372"docStyleName="JSpeciesRes.2012-.journal_article"docStyleVersion="2"docTitle="Asterocheres tetraodontis Lee, 2024, n. sp."docType="treatment"docVersion="4"lastPageNumber="240"masterDocId="1121FFB3FFFEFFEBFFD1B25AB0306275"masterDocTitle="Copepods of the genus Asterocheres Boeck, 1859 (Siphonostomatoida: Asterocheridae) from Korean waters"masterLastPageNumber="254"masterPageNumber="185"pageNumber="237"updateTime="1724091381855"updateUser="ExternalLinkService"zenodo-license-document="CC-BY-4.0">
<mods:titleid="9D3D30618C49FA757AADFFC911A48090">Copepods of the genus Asterocheres Boeck, 1859 (Siphonostomatoida: Asterocheridae) from Korean waters</mods:title>
<figureCitationid="FD8A2A58FFCAFFDFFDABB07DB2A6604A"box="[634,662,551,575]"captionStart="Fig"captionStartId="54.[174,207,1949,1971]"captionTargetBox="[253,1373,262,1895]"captionTargetId="figure-13@54.[171,1446,254,1915]"captionTargetPageId="54"captionText="Fig. 34. Asterocheres tetraodontis n. sp., female.A, leg 1; B, leg 2; C, endopod of leg 3; D, leg 4; E, exopod of leg 5; F, left side of genital double-somite, dorsal.A-D, 0.05mm; E, F, 0.02mm."figureDoi="http://doi.org/10.5281/zenodo.13345023"httpUri="https://zenodo.org/record/13345023/files/figure.png"pageId="52"pageNumber="237">34</figureCitation>
<collectingDateid="014BE9F5FFCAFFDFFD44B170B0D86117"pageId="52"pageNumber="237"value="2018-08-29">29 August 2018</collectingDate>
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.
<materialsCitationid="D5D93C80FFCAFFDFFF25B110B1DB61B6"collectionCode="NIBR"collectorName="Dissected & I. - H. Kim"country="South Korea"location="National Institute of Biological Resources"pageId="52"pageNumber="237"specimenCount="3"stateProvince="Incheon"typeStatus="holotype">
<locationid="606E6006FFCAFFDFFEFDB130B33B61F7"LSID="urn:lsid:plazi:treatment:ED1887CBFFCAFFDCFF7FB07DB15067F3:606E6006FFCAFFDFFEFDB130B33B61F7"box="[300,779,874,898]"country="South Korea"name="National Institute of Biological Resources"pageId="52"pageNumber="237"stateProvince="Incheon">National Institute of Biological Resources</location>
(
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) moderately broad. Body length of figured and described specimen 796 μm. Prosome 513 × 422 μm. Cephalothorax 353 μm long, wider than long. All prosomal somites with rounded posterolateral corners. Urosome (
) 4-segmented. Fifth pedigerous somite wider than genital double-somite, with 1 or 2 spinules on lateral margin. Genital double-somite as long as wide (117 × 118 μm), widest at proximal third, gradually narrowing posteriorly from widest region; genital apertures positioned laterally at 45% region of double-somite length; postgenital lateral margin bearing 2 groups of spinules, anterior group consisting of 4 or 5 shorter spinules and posterior group of 4 longer spinules (
<figureCitationid="FD8A2A58FFCAFFDFFF67B795B12D6792"box="[182,285,1487,1511]"captionStart="Fig"captionStartId="54.[174,207,1949,1971]"captionTargetBox="[253,1373,262,1895]"captionTargetId="figure-13@54.[171,1446,254,1915]"captionTargetPageId="54"captionText="Fig. 34. Asterocheres tetraodontis n. sp., female.A, leg 1; B, leg 2; C, endopod of leg 3; D, leg 4; E, exopod of leg 5; F, left side of genital double-somite, dorsal.A-D, 0.05mm; E, F, 0.02mm."figureDoi="http://doi.org/10.5281/zenodo.13345023"httpUri="https://zenodo.org/record/13345023/files/figure.png"pageId="52"pageNumber="237">Fig. 34F</figureCitation>
); posterior region of lateral margin with 2 scales. Two free abdominal somites 48 × 70 and 36 × 64 μm, respectively. Anal somite with spinules of irregular sizes along posteroventral margin (
) as long as wide (27 × 27 μm), bearing longer outer margin and shorter inner margin, armed with 6 setae, and ornamented with spinules along posteroventral margin.
) 337 μm long, 20-segmented; 9th, 18th, and terminal segments with 7 setae, 2 setae + aesthetasc, and 9 setae, respectively; all other segments each with 2 setae; several setae on proximal segments pinnate; all setae attenuated, not truncated at tip. Antenna (
) comprising coxa, basis, small exopod, and 3-segmented endopod; coxa short, unarmed; basis unarmed but ornamented with fine spinules near exopod; exopod 9 × 5.5 μm, bearing 1 proximal and 2 distal setae; first endopodal segment 57 μm long, unarmed but ornamented with setules along outer margin; small second endopodal segment with 1 seta; third endopodal segment with 2 setae; terminal claw spiniform, 52 μm long.
<figureCitationid="FD8A2A58FFCAFFDFFC66B616B42F6611"box="[951,1055,1100,1124]"captionStart="Fig"captionStartId="54.[174,207,1949,1971]"captionTargetBox="[253,1373,262,1895]"captionTargetId="figure-13@54.[171,1446,254,1915]"captionTargetPageId="54"captionText="Fig. 34. Asterocheres tetraodontis n. sp., female.A, leg 1; B, leg 2; C, endopod of leg 3; D, leg 4; E, exopod of leg 5; F, left side of genital double-somite, dorsal.A-D, 0.05mm; E, F, 0.02mm."figureDoi="http://doi.org/10.5281/zenodo.13345023"httpUri="https://zenodo.org/record/13345023/files/figure.png"pageId="52"pageNumber="237">Fig. 34A</figureCitation>
<figureCitationid="FD8A2A58FFCAFFDFFB80B616B4866611"box="[1105,1206,1100,1124]"captionStart="Fig"captionStartId="54.[174,207,1949,1971]"captionTargetBox="[253,1373,262,1895]"captionTargetId="figure-13@54.[171,1446,254,1915]"captionTargetPageId="54"captionText="Fig. 34. Asterocheres tetraodontis n. sp., female.A, leg 1; B, leg 2; C, endopod of leg 3; D, leg 4; E, exopod of leg 5; F, left side of genital double-somite, dorsal.A-D, 0.05mm; E, F, 0.02mm."figureDoi="http://doi.org/10.5281/zenodo.13345023"httpUri="https://zenodo.org/record/13345023/files/figure.png"pageId="52"pageNumber="237">Fig. 34B</figureCitation>
<figureCitationid="FD8A2A58FFCAFFDFFAE6B616B5AC6611"box="[1335,1436,1100,1124]"captionStart="Fig"captionStartId="54.[174,207,1949,1971]"captionTargetBox="[253,1373,262,1895]"captionTargetId="figure-13@54.[171,1446,254,1915]"captionTargetPageId="54"captionText="Fig. 34. Asterocheres tetraodontis n. sp., female.A, leg 1; B, leg 2; C, endopod of leg 3; D, leg 4; E, exopod of leg 5; F, left side of genital double-somite, dorsal.A-D, 0.05mm; E, F, 0.02mm."figureDoi="http://doi.org/10.5281/zenodo.13345023"httpUri="https://zenodo.org/record/13345023/files/figure.png"pageId="52"pageNumber="237">Fig. 34D</figureCitation>
<figureCitationid="FD8A2A58FFCAFFDFFBF7B6F7B4BA66B0"box="[1062,1162,1197,1221]"captionStart="Fig"captionStartId="54.[174,207,1949,1971]"captionTargetBox="[253,1373,262,1895]"captionTargetId="figure-13@54.[171,1446,254,1915]"captionTargetPageId="54"captionText="Fig. 34. Asterocheres tetraodontis n. sp., female.A, leg 1; B, leg 2; C, endopod of leg 3; D, leg 4; E, exopod of leg 5; F, left side of genital double-somite, dorsal.A-D, 0.05mm; E, F, 0.02mm."figureDoi="http://doi.org/10.5281/zenodo.13345023"httpUri="https://zenodo.org/record/13345023/files/figure.png"pageId="52"pageNumber="237">Fig. 34C</figureCitation>
). Inner coxal seta pinnate in legs 1-3 but small, naked in leg 4. Intercoxal plate bearing spinules in leg 1, but smooth in legs 2-4. Outer seta on basis of leg 1 subequal in length to that of leg 2. Mediodistal margin of basis of leg 1 bearing spinules. Inner distal seta on basis of leg 1 thin, bearing few setules on proximal part of outer margin. Outer distal process of first endopodal segment of legs 3 and 4 larger than those of legs 1 and 2. Outer distal corner of second endopodal segment of legs 1-4 with bicuspid process. Armature formula for legs 1-4 as in
<figureCitationid="FD8A2A58FFCAFFDFFAA9B46AB344641D"captionStart="Fig"captionStartId="54.[174,207,1949,1971]"captionTargetBox="[253,1373,262,1895]"captionTargetId="figure-13@54.[171,1446,254,1915]"captionTargetPageId="54"captionText="Fig. 34. Asterocheres tetraodontis n. sp., female.A, leg 1; B, leg 2; C, endopod of leg 3; D, leg 4; E, exopod of leg 5; F, left side of genital double-somite, dorsal.A-D, 0.05mm; E, F, 0.02mm."figureDoi="http://doi.org/10.5281/zenodo.13345023"httpUri="https://zenodo.org/record/13345023/files/figure.png"pageId="52"pageNumber="237">Fig. 34E</figureCitation>
) rectangular, 2.50 times longer than wide (55 × 22 μm), armed with 3 setae and ornamented with several scales on inner and outer margins; lengths of setae 51, 62, and 32 μm, respectively, from outer to inner; first and second outer setae pinnate, but innermost seta naked, with proximal annulation. Leg 6 (
<figureCitationid="FD8A2A58FFCAFFDFFBBFB4ABB4F8657F"box="[1134,1224,1777,1802]"captionStart="Fig"captionStartId="54.[174,207,1949,1971]"captionTargetBox="[253,1373,262,1895]"captionTargetId="figure-13@54.[171,1446,254,1915]"captionTargetPageId="54"captionText="Fig. 34. Asterocheres tetraodontis n. sp., female.A, leg 1; B, leg 2; C, endopod of leg 3; D, leg 4; E, exopod of leg 5; F, left side of genital double-somite, dorsal.A-D, 0.05mm; E, F, 0.02mm."figureDoi="http://doi.org/10.5281/zenodo.13345023"httpUri="https://zenodo.org/record/13345023/files/figure.png"pageId="52"pageNumber="237">Fig. 34F</figureCitation>
<bibRefCitationid="01204B2CFFCAFFDFFBAAB5E9B4C265BE"author="Kim, I. - H."box="[1147,1266,1971,1995]"pageId="52"pageNumber="237"pagination="1 - 176"refId="ref37840"refString="Kim, I. - H. 2010. Siphonostomatoid Copepoda (Crustacea) associated with invertebrates from tropical waters. Korean Journal Systematic Zoology, Special Issue 8: 1 - 176."type="journal article"year="2010">Kim, 2010</bibRefCitation>
<bibRefCitationid="01204B2CFFCAFFDCFABFB5E9B0F96368"author="Kim, I. - H."lastPageId="55"lastPageNumber="240"pageId="52"pageNumber="237"pagination="1 - 176"refId="ref37840"refString="Kim, I. - H. 2010. Siphonostomatoid Copepoda (Crustacea) associated with invertebrates from tropical waters. Korean Journal Systematic Zoology, Special Issue 8: 1 - 176."type="journal article"year="2010">Kim, 2010</bibRefCitation>
</taxonomicName>
;
<taxonomicNameid="A2B14D5EFFC9FFDCFF05B35FB22E6368"authority="Kim & Min, 2013"authorityName="Kim & Min"authorityYear="2013"box="[212,542,261,285]"class="Copepoda"family="Asterocheridae"genus="Asterocheres"kingdom="Animalia"order="Siphonostomatoida"pageId="55"pageNumber="240"phylum="Arthropoda"rank="species"species="spinosus">
<bibRefCitationid="01204B2CFFC9FFDCFE87B35FB22E6368"author="Kim, I. H. & G. S. Min"box="[342,542,261,285]"pageId="55"pageNumber="240"pagination="1567 - 1577"refId="ref37969"refString="Kim, I. H. and G. S. Min, 2013. Three species of Asterocheres (Copepoda: Siphonostomatoida: Asterocheridae) from shallow Antarctic water. Journal of the Marine Biological Association of the United Kingdom 93 (6): 1567 - 1577."type="journal article"year="2013">Kim & Min, 2013</bibRefCitation>
It is noticed that the latter five species have in common a 20-segmented female antennule bearing an aesthetasc on the 18th segment and a 1-segmented mandibular palp which is longer than the stylet. However, these five congeners differ from
, female. A, leg 1; B, leg 2; C, endopod of leg 3; D, leg 4; E, exopod of leg 5; F, left side of genital double-somite, dorsal. A- D, 0.05 mm; E, F, 0.02 mm.
, the caudal ramus is distinctly longer than wide, the mid-terminal seta on the exopod of leg 5 is longer than the other two setae, the cephalothorax is broadened, and the distal segment of the maxilla is stout and strongly curved. In
<taxonomicNameid="A2B14D5EFFC9FFDCFEB3B130B1EC61F7"authorityName="Kim & Min"authorityYear="2013"box="[354,476,874,898]"class="Copepoda"family="Asterocheridae"genus="Asterocheres"kingdom="Animalia"order="Siphonostomatoida"pageId="55"pageNumber="240"phylum="Arthropoda"rank="species"species="spinosus">
, the caudal ramus is 1.88 times longer than wide, the postgenital lateral margin of the genital double-somite is ornamented with numerous setules, and the oral siphon extends over the maxilliped (
<bibRefCitationid="01204B2CFFC9FFDCFF46B1B1B1526676"author="Kim, I. H. & G. S. Min"box="[151,354,1003,1027]"pageId="55"pageNumber="240"pagination="1567 - 1577"refId="ref37969"refString="Kim, I. H. and G. S. Min, 2013. Three species of Asterocheres (Copepoda: Siphonostomatoida: Asterocheridae) from shallow Antarctic water. Journal of the Marine Biological Association of the United Kingdom 93 (6): 1567 - 1577."type="journal article"year="2013">Kim & Min, 2013</bibRefCitation>
, the genital double-somite is distinctly longer than wide, the terminal claw of the antenna and maxilliped is broadened, and the exopodal segment of leg 5 is fusiform, with three subequal naked setae. In
), the exopodal segment of leg 5 is slightly fusiform and its distal setae are all naked and shorter than the exopodal segment (vs. the exopodal segment is rectangular and two of distal setae pinnate and the mid-terminal one is longer than the segment in
