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<document id="F08E6EA1C501A21818C2FA2F90016892" ID-DOI="10.5281/zenodo.277273" ID-GBIF-Dataset="353051e9-624f-424e-9160-d90179c36b7c" ID-ISSN="1175-5326" ID-Zenodo-Dep="277273" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460282652654" checkinUser="plazi" docAuthor="Sinev, Artem Y. &amp; Sanoamuang, La-Orsri" docDate="2011" docId="03D2878530083F20FF76FCA6FA9BFBDD" docLanguage="en" docName="zt02826p056.pdf" docOrigin="Zootaxa 2826" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Leydigia ciliata Gauthier 1939" docType="treatment" docVersion="10" lastPageNumber="54" masterDocId="FFEBFFFD300E3F29FFE1FFC1FFF3FFE9" masterDocTitle="Hormonal induction of males as a method for studying tropical cladocerans: description of males of four chydorid species (Cladocera: Anomopoda: Chydoridae)" masterLastPageNumber="56" masterPageNumber="45" pageNumber="51" updateTime="1698249689372" updateUser="plazi">
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<mods:title id="CE46BE133E26D1E854E35631BED554D2">Hormonal induction of males as a method for studying tropical cladocerans: description of males of four chydorid species (Cladocera: Anomopoda: Chydoridae)</mods:title>
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<mods:namePart id="9D1FB92190E0BDAFB6FBF75EF383D058">Sinev, Artem Y.</mods:namePart>
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<mods:date id="F5CD15C4FBB2822ACAADF4A1DBDC5957">2011</mods:date>
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<treatment id="03D2878530083F20FF76FCA6FA9BFBDD" ID-DOI="http://doi.org/10.5281/zenodo.5695790" ID-GBIF-Taxon="119396928" ID-Zenodo-Dep="5695790" LSID="urn:lsid:plazi:treatment:03D2878530083F20FF76FCA6FA9BFBDD" httpUri="http://treatment.plazi.org/id/03D2878530083F20FF76FCA6FA9BFBDD" lastPageId="9" lastPageNumber="54" pageId="6" pageNumber="51">
<subSubSection id="C361651830083F2FFF76FCA6FAD5FBB7" pageId="6" pageNumber="51" type="nomenclature">
<paragraph id="8BC4369330083F2FFF76FCA6FDBAFC68" blockId="6.[151,585,871,897]" box="[151,585,871,897]" pageId="6" pageNumber="51">
<heading id="D08C81FF30083F2FFF76FCA6FDBAFC68" bold="true" box="[151,585,871,897]" fontSize="11" level="1" pageId="6" pageNumber="51" reason="1">
<taxonomicName id="4C7B4D1030083F2FFF76FCA6FDBAFC68" ID-CoL="72742" authority="Gauthier, 1939" authorityName="Gauthier" authorityYear="1939" box="[151,585,871,897]" class="Branchiopoda" genus="Leydigia" kingdom="Animalia" order="Diplostraca" pageId="6" pageNumber="51" phylum="Arthropoda" rank="species" species="ciliata">
<emphasis id="B90FEA8130083F2FFF76FCA6FDBAFC68" bold="true" box="[151,585,871,897]" pageId="6" pageNumber="51">
<emphasis id="B90FEA8130083F2FFF76FCA6FF0CFC68" bold="true" box="[151,255,871,897]" italics="true" pageId="6" pageNumber="51">Leydigia</emphasis>
cf.
<emphasis id="B90FEA8130083F2FFECDFCA6FE84FC68" bold="true" box="[300,375,871,897]" italics="true" pageId="6" pageNumber="51">ciliata</emphasis>
(Gauthier, 1939)
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="8BC4369330083F2FFF76FC6EFAD5FBB7" blockId="6.[151,1436,942,1118]" pageId="6" pageNumber="51">
Sars, 1903, p. 14, Pl. 1: figs 4, 4a (
<emphasis id="B90FEA8130083F2FFE1AFC71FD97FC2C" box="[507,612,944,965]" italics="true" pageId="6" pageNumber="51">propinqua</emphasis>
); Gauthier, 1939, p. 168173, fig. 9 (
<emphasis id="B90FEA8130083F2FFC05FC71FBBFFC2C" box="[996,1100,944,965]" italics="true" pageId="6" pageNumber="51">propinqua</emphasis>
var.
<emphasis id="B90FEA8130083F2FFB61FC6EFB2BFC2C" box="[1152,1240,943,965]" italics="true" pageId="6" pageNumber="51">
<taxonomicName id="4C7B4D1030083F2FFB61FC6EFB3AFC2C" box="[1152,1225,943,965]" class="Branchiopoda" genus="Leydigia" kingdom="Animalia" order="Diplostraca" pageId="6" pageNumber="55" phylum="Arthropoda" rank="species" species="ciliata">Ciliata</taxonomicName>
);
</emphasis>
Rey and Sain-Jean 1968, 105, fig. 21; Biswas 1971, 129, fig. 12F (
<emphasis id="B90FEA8130083F2FFD4BFC0CFCA8FC0A" box="[682,859,973,995]" italics="true" pageId="6" pageNumber="51">acanthocercoides</emphasis>
); Smirnov 1971, 454458, figs 562, 56456; Dumont &amp; Van de
<bibRefCitation id="EFEA4B6230083F2FFEF2FC2AFE7AFBE8" author="Velde" box="[275,393,1003,1025]" pageId="6" pageNumber="51" refString="Dumont, H. J. &amp; Van de Velde, I. (1977) Cladoceres et Conchostraces gecoltes par le professeur Th. Monod dans la moyenne vallee du Niger en decembre 1972 et janvier 1973. Bulletin de l'Institut Francais d'Afrique Noire, Serie A, Sciences Naturelles, 39, 75 - 93." type="journal article" year="1977">Velde 1977</bibRefCitation>
, p. 9091, figs 89 (
<emphasis id="B90FEA8130083F2FFDBAFC2CFCE7FBEB" box="[603,788,1004,1026]" italics="true" pageId="6" pageNumber="51">
propinqua
<taxonomicName id="4C7B4D1030083F2FFD2AFC2DFCFFFBEB" box="[715,780,1004,1026]" class="Branchiopoda" genus="Leydigia" kingdom="Animalia" order="Diplostraca" pageId="6" pageNumber="51" phylum="Arthropoda" rank="species" species="ciliata">ciliata</taxonomicName>
)
</emphasis>
; Chiang &amp; Du 1979, 208209, fig. 139AF (
<emphasis id="B90FEA8130083F2FFB03FC2DFA60FBEB" box="[1250,1427,1004,1026]" italics="true" pageId="6" pageNumber="51">acanthocercoides</emphasis>
) p. 209210, fig. 140 (
<emphasis id="B90FEA8130083F2FFE46FBCAFDD2FBC9" box="[423,545,1035,1056]" italics="true" pageId="6" pageNumber="51">propinqua);</emphasis>
Dumont
<emphasis id="B90FEA8130083F2FFD62FBCAFD44FBC9" box="[643,695,1034,1056]" italics="true" pageId="6" pageNumber="51">et al.</emphasis>
1984, p. 167, figs 15; Prasad, Santa Kumari et Bose, 1986, p. 99107, figs 115 (
<emphasis id="B90FEA8130083F2FFED9FBE8FE3EFBD6" box="[312,461,1065,1087]" italics="true" pageId="6" pageNumber="51">ankammaraoi)</emphasis>
; Jeje 1988, p. 113116, figs 18.
<emphasis id="B90FEA8130083F2FFCCFFBE8FBB1FBD6" box="[814,1090,1065,1087]" italics="true" pageId="6" pageNumber="51">(macrodonta macrodonta);</emphasis>
Tanaka 1989, p. 45, Pl. 11: figs 1112;
<bibRefCitation id="EFEA4B6230083F2FFEF2FB88FE20FBB7" author="Kotov" box="[275,467,1096,1118]" pageId="6" pageNumber="51" refString="Kotov, A. A., Van Damme, K. &amp; Elias-Gutierrez, M. (2003) Differentiation between African Leydigia ciliata Gauthier, 1939 and Neotropical L. cf. striata Biraben, 1939 (Chydoridae, Anomopoda, Cladocera). Hydrobiologia, 505, 179 - 197." type="journal article" year="2003" yearSuffix="b">
Kotov
<emphasis id="B90FEA8130083F2FFEB9FB88FE78FBB7" box="[344,395,1096,1118]" italics="true" pageId="6" pageNumber="51">et al.</emphasis>
2003b
</bibRefCitation>
, p. 180190, figs 163:
<bibRefCitation id="EFEA4B6230083F2FFD29FB88FCB7FBB4" author="Kotov" box="[712,836,1096,1118]" pageId="6" pageNumber="51" refString="Kotov, A. A. (2009) A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus. Zootaxa, 2082, 1 - 68." type="journal article" year="2009">Kotov 2009</bibRefCitation>
: 6871 (for full reference list see
<bibRefCitation id="EFEA4B6230083F2FFB78FB88FAE9FBB7" author="Kotov" box="[1177,1306,1096,1118]" pageId="6" pageNumber="51" refString="Kotov, A. A. (2009) A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus. Zootaxa, 2082, 1 - 68." type="journal article" year="2009">Kotov, 2009</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C361651830083F20FF76FB4BFA9BFBDD" lastPageId="9" lastPageNumber="54" pageId="6" pageNumber="51" type="description">
<paragraph id="8BC4369330083F2FFF76FB4BFF39FADB" blockId="6.[151,1437,1162,2014]" pageId="6" pageNumber="51">
<emphasis id="B90FEA8130083F2FFF76FB4BFE9FFB4A" bold="true" box="[151,364,1162,1187]" pageId="6" pageNumber="51">Description. Male</emphasis>
. Length of studied specimens 0.64 and
<quantity id="4C839B7630083F2FFCCCFB4BFC66FB4B" box="[813,917,1162,1186]" metricMagnitude="-4" metricUnit="m" metricValue="6.5" pageId="6" pageNumber="51" unit="mm" value="0.65">0.65 mm</quantity>
. Body egg-shaped, high, widening posteriorly (
<figureCitation id="13402A1630083F2FFF7EFB6FFF16FB2F" box="[159,229,1198,1222]" captionStart="FIGURE 4" captionStartId="7.[151,250,1368,1391]" captionTargetBox="[164,1435,216,1343]" captionTargetId="figure@7.[150,1436,193,1347]" captionTargetPageId="7" captionText="FIGURE 4. Leydigia cf. ciliata Gauthier, 1939, adult male from culture from pond near the highway Khon Kaen—Kalasin: A—lateral view, B C—postabdomen, D—postabdominal claw, E—antennule, F—thoracic limb 1. Scale bars: 0.1 mm for A and B C, 0.05 mm for D F." httpUri="https://zenodo.org/record/277277/files/figure.png" pageId="6" pageNumber="51">Fig. 4</figureCitation>
A), height/length ratio about 0.63. Maximum height in the third fourth of the body. Dorsal, posterior and ventral margins of valves evenly convex, posteroventral and posterodorsal angles broadly rounded. Head large, broad, protruding forward. Rostrum short, protruding forward and downward. Eye and ocellus large, of similar size.
</paragraph>
<paragraph id="8BC4369330083F2FFF26FAFFFC97F957" blockId="6.[151,1437,1162,2014]" pageId="6" pageNumber="51">
<emphasis id="B90FEA8130083F2FFF26FAFFFEACFABF" box="[199,351,1342,1366]" italics="true" pageId="6" pageNumber="51">Postabdomen</emphasis>
(
<figureCitation id="13402A1630083F2FFE90FAFFFE45FABF" box="[369,438,1342,1366]" captionStart="FIGURE 4" captionStartId="7.[151,250,1368,1391]" captionTargetBox="[164,1435,216,1343]" captionTargetId="figure@7.[150,1436,193,1347]" captionTargetPageId="7" captionText="FIGURE 4. Leydigia cf. ciliata Gauthier, 1939, adult male from culture from pond near the highway Khon Kaen—Kalasin: A—lateral view, B C—postabdomen, D—postabdominal claw, E—antennule, F—thoracic limb 1. Scale bars: 0.1 mm for A and B C, 0.05 mm for D F." httpUri="https://zenodo.org/record/277277/files/figure.png" pageId="6" pageNumber="51">Fig. 4</figureCitation>
B,C) long, moderately broad, with almost parallel dorsal and ventral margins in central portion, narrowing in the distal fourth. Length about 2.5 height. Ventral margin wavy, slightly concave, sperm duct openings located at the end of short process (penis) protruding between the bases of claws. Penis less than half length of the claw, without stylet. Distal part of postabdomen rounded, with no defined distal angle. Distal part of postabdomen 67 times longer than preanal, postanal portion 4 times longer than anal. Preanal margin very short, with several hillocks. Anal margin almost straight, postanal margin straight in basal half and convex in distal half. Both postanal and preanal angles weakly defined. Dorsal margin with numerous clusters of extremely short setules. Distal portion of postabdomen bears 78 lateral fascicles of very large setules, followed by about 14 much smaller fascicles. Distal fascicles consisting only of 24 (usually 3) setules each, length of distal setule in fascicle up to 2/3 height of postabdomen. Postabdominal claw (
<figureCitation id="13402A1630083F2FFD76F943FD2AF973" box="[663,729,1666,1690]" captionStart="FIGURE 4" captionStartId="7.[151,250,1368,1391]" captionTargetBox="[164,1435,216,1343]" captionTargetId="figure@7.[150,1436,193,1347]" captionTargetPageId="7" captionText="FIGURE 4. Leydigia cf. ciliata Gauthier, 1939, adult male from culture from pond near the highway Khon Kaen—Kalasin: A—lateral view, B C—postabdomen, D—postabdominal claw, E—antennule, F—thoracic limb 1. Scale bars: 0.1 mm for A and B C, 0.05 mm for D F." httpUri="https://zenodo.org/record/277277/files/figure.png" pageId="6" pageNumber="51">Fig. 4</figureCitation>
D) almost straight, slender, 3 times longer than preanal margin, without basal spine, with a pecten of long spinules in basal half.
</paragraph>
<paragraph id="8BC4369330083F2FFF26F90AFDA7F8C3" blockId="6.[151,1437,1162,2014]" pageId="6" pageNumber="51">
<emphasis id="B90FEA8130083F2FFF26F90AFECAF90A" box="[199,313,1739,1763]" italics="true" pageId="6" pageNumber="51">Antennule</emphasis>
(
<figureCitation id="13402A1630083F2FFEABF90BFE7DF90B" box="[330,398,1738,1762]" captionStart="FIGURE 4" captionStartId="7.[151,250,1368,1391]" captionTargetBox="[164,1435,216,1343]" captionTargetId="figure@7.[150,1436,193,1347]" captionTargetPageId="7" captionText="FIGURE 4. Leydigia cf. ciliata Gauthier, 1939, adult male from culture from pond near the highway Khon Kaen—Kalasin: A—lateral view, B C—postabdomen, D—postabdominal claw, E—antennule, F—thoracic limb 1. Scale bars: 0.1 mm for A and B C, 0.05 mm for D F." httpUri="https://zenodo.org/record/277277/files/figure.png" pageId="6" pageNumber="51">Fig. 4</figureCitation>
E) moderately broad, length/width ratio about 2.5, with 12 terminal aesthetascs of variable length, longest about 2/3 length of antennule. Male seta moderately long, thick, about 1/2 length of antennule, arising at 1/4 antennule length from the tip.
</paragraph>
<paragraph id="8BC4369330083F2FFF26F8F7FA62F837" blockId="6.[151,1437,1162,2014]" pageId="6" pageNumber="51">
<emphasis id="B90FEA8130083F2FFF26F8F7FE85F8A6" box="[199,374,1846,1871]" italics="true" pageId="6" pageNumber="51">Thoracic limb I</emphasis>
(
<figureCitation id="13402A1630083F2FFE67F8F7FE3AF8A7" box="[390,457,1846,1870]" captionStart="FIGURE 4" captionStartId="7.[151,250,1368,1391]" captionTargetBox="[164,1435,216,1343]" captionTargetId="figure@7.[150,1436,193,1347]" captionTargetPageId="7" captionText="FIGURE 4. Leydigia cf. ciliata Gauthier, 1939, adult male from culture from pond near the highway Khon Kaen—Kalasin: A—lateral view, B C—postabdomen, D—postabdominal claw, E—antennule, F—thoracic limb 1. Scale bars: 0.1 mm for A and B C, 0.05 mm for D F." httpUri="https://zenodo.org/record/277277/files/figure.png" pageId="6" pageNumber="51">Fig. 4</figureCitation>
F) massive, broader than that of female, copulatory hook U-shaped, very large, as long as limb itself. Copulatory brush present, a cluster of about 15 very long setules located below it on the ventral face of limb. Copulatory brush seta long, slender, similar in size to setae of endite 3. IDL elongated, narrow, IDL seta 1 short, 3 times shorter than that of female, setae 2 and 3 thin, much shorter that these of female, seta 2 longer than seta 3, male seta of same size with than IDL seta 2, but thicker, curved. Morphology of endites same as in female.
</paragraph>
<caption id="DF04661B30093F2EFF76FA99FE40FA42" httpUri="https://zenodo.org/record/277277/files/figure.png" pageId="7" pageNumber="52" targetBox="[164,1435,216,1343]" targetPageId="7">
<paragraph id="8BC4369330093F2EFF76FA99FE40FA42" blockId="7.[151,1437,1368,1451]" pageId="7" pageNumber="52">
<emphasis id="B90FEA8130093F2EFF76FA99FEE7FA84" bold="true" box="[151,276,1368,1391]" pageId="7" pageNumber="52">FIGURE 4.</emphasis>
<taxonomicName id="4C7B4D1030093F2EFEFDFA99FD70FA87" authority="Gauthier, 1939" authorityName="Gauthier" authorityYear="1939" box="[284,643,1368,1390]" class="Branchiopoda" genus="Leydigia" isUncertain="true" kingdom="Animalia" order="Diplostraca" pageId="7" pageNumber="52" phylum="Arthropoda" rank="species" species="ciliata">
<emphasis id="B90FEA8130093F2EFEFDFA99FE86FA87" box="[284,373,1368,1390]" italics="true" pageId="7" pageNumber="52">Leydigia</emphasis>
cf.
<emphasis id="B90FEA8130093F2EFE7EFA99FE13FA87" box="[415,480,1368,1390]" italics="true" pageId="7" pageNumber="52">ciliata</emphasis>
Gauthier, 1939
</taxonomicName>
, adult male from culture from pond near the highway Khon Kaen—Kalasin: A—lateral view, BC—postabdomen, D—postabdominal claw, E—antennule, F—thoracic limb 1. Scale bars: 0.1 mm for A and BC, 0.05 mm for DF.
</paragraph>
</caption>
<paragraph id="8BC4369330093F2EFF26FA19FD41F8B1" blockId="7.[151,1437,1496,1881]" pageId="7" pageNumber="52">
<emphasis id="B90FEA8130093F2EFF26FA19FE5EFA18" bold="true" box="[199,429,1496,1521]" pageId="7" pageNumber="52">Taxonomical notes.</emphasis>
The species was recently revised (
<bibRefCitation id="EFEA4B6230093F2EFCD8FA19FBF6FA19" author="Kotov" box="[825,1029,1496,1520]" pageId="7" pageNumber="52" refString="Kotov, A. A., Van Damme, K. &amp; Elias-Gutierrez, M. (2003) Differentiation between African Leydigia ciliata Gauthier, 1939 and Neotropical L. cf. striata Biraben, 1939 (Chydoridae, Anomopoda, Cladocera). Hydrobiologia, 505, 179 - 197." type="journal article" year="2003">
Kotov
<emphasis id="B90FEA8130093F2EFC69FA18FC31FA19" box="[904,962,1496,1520]" italics="true" pageId="7" pageNumber="52">et al.</emphasis>
2003
</bibRefCitation>
;
<bibRefCitation id="EFEA4B6230093F2EFBF0FA18FB6FFA19" author="Kotov" box="[1041,1180,1496,1520]" pageId="7" pageNumber="52" refString="Kotov, A. A. (2009) A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus. Zootaxa, 2082, 1 - 68." type="journal article" year="2009">Kotov 2009</bibRefCitation>
), but no description of male was provided. There is only one description of
<taxonomicName id="4C7B4D1030093F2EFD06FA3CFCBEF9FD" box="[743,845,1532,1556]" class="Branchiopoda" genus="Leydigia" kingdom="Animalia" order="Diplostraca" pageId="7" pageNumber="52" phylum="Arthropoda" rank="species" species="ciliata">
<emphasis id="B90FEA8130093F2EFD06FA3CFCBEF9FD" box="[743,845,1532,1556]" italics="true" pageId="7" pageNumber="52">L. ciliata</emphasis>
</taxonomicName>
male (Dumont &amp; Van de
<bibRefCitation id="EFEA4B6230093F2EFB8EFA3DFB02F9FD" author="Velde" box="[1135,1265,1532,1556]" pageId="7" pageNumber="52" refString="Dumont, H. J. &amp; Van de Velde, I. (1977) Cladoceres et Conchostraces gecoltes par le professeur Th. Monod dans la moyenne vallee du Niger en decembre 1972 et janvier 1973. Bulletin de l'Institut Francais d'Afrique Noire, Serie A, Sciences Naturelles, 39, 75 - 93." type="journal article" year="1977">Velde 1977</bibRefCitation>
, 9091, Fig.9), for a population from
<collectingCountry id="F36C760330093F2EFE6FF9E1FE23F9D1" box="[398,464,1568,1592]" name="Niger" pageId="7" pageNumber="52">Niger</collectingCountry>
. Our specimens significantly differ from that population by the shape of postabdomen. The specimens from
<collectingCountry id="F36C760330093F2EFE6AF985FE38F9B5" box="[395,459,1604,1628]" name="Niger" pageId="7" pageNumber="52">Niger</collectingCountry>
have broader postabdomen (length about 2.5 height) with convex dorsal and ventral margins, maximum height at the middle of postabdomen, defined postanal angle, and penis longer than half length of claws. There are no significant differences between these populations in body shape and in the morphology of antenna. The first thoracic limb was not studied for the
<collectingCountry id="F36C760330093F2EFCEDF971FCBFF921" box="[780,844,1712,1736]" name="Niger" pageId="7" pageNumber="52">Niger</collectingCountry>
population. According to
<bibRefCitation id="EFEA4B6230093F2EFB97F970FAFCF921" author="Kotov" box="[1142,1295,1712,1736]" pageId="7" pageNumber="52" refString="Kotov, A. A. (2009) A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus. Zootaxa, 2082, 1 - 68." type="journal article" year="2009">Kotov (2009)</bibRefCitation>
there are no significant differences between parthenogenetic females of the African and Asian populations, but the differences in male morphology are quite prominent and suggest a possibility of species-complex. Investigations of
<taxonomicName id="4C7B4D1030093F2EFAD4F938FA6FF8F9" box="[1333,1436,1784,1808]" class="Branchiopoda" genus="Leydigia" kingdom="Animalia" order="Diplostraca" pageId="7" pageNumber="52" phylum="Arthropoda" rank="species" species="ciliata">
<emphasis id="B90FEA8130093F2EFAD4F938FA6FF8F9" box="[1333,1436,1784,1808]" italics="true" pageId="7" pageNumber="52">L. ciliata</emphasis>
</taxonomicName>
populations should be continued, and detailed study of male and gamogenetic female from the
<emphasis id="B90FEA8130093F2EFB27F8DCFAB9F8DD" box="[1222,1354,1821,1844]" italics="true" pageId="7" pageNumber="52">terra typica</emphasis>
is necessary to clarify status of the Asian populations.
</paragraph>
<paragraph id="8BC4369330063F21FF76FF56FDAEFF58" blockId="8.[151,605,151,177]" box="[151,605,151,177]" pageId="8" pageNumber="53">
<taxonomicName id="4C7B4D1030063F21FF76FF56FE55FF58" box="[151,422,151,177]" class="Branchiopoda" genus="Disparalona" kingdom="Animalia" order="Diplostraca" pageId="8" pageNumber="53" phylum="Arthropoda" rank="species" species="hamat">
<emphasis id="B90FEA8130063F21FF76FF56FE55FF58" bold="true" box="[151,422,151,177]" pageId="8" pageNumber="53">
<emphasis id="B90FEA8130063F21FF76FF56FEDEFF58" bold="true" box="[151,301,151,177]" italics="true" pageId="8" pageNumber="53">Disparalona</emphasis>
cf.
<emphasis id="B90FEA8130063F21FEB8FF56FE55FF58" bold="true" box="[345,422,151,177]" italics="true" pageId="8" pageNumber="53">hamat</emphasis>
</emphasis>
</taxonomicName>
а
<emphasis id="B90FEA8130063F21FE5DFF56FDAEFF58" bold="true" box="[444,605,151,177]" pageId="8" pageNumber="53">(Birge, 1910)</emphasis>
</paragraph>
<paragraph id="8BC4369330063F21FF76FF1EFD96FF1D" blockId="8.[151,613,222,245]" box="[151,613,222,245]" pageId="8" pageNumber="53">
Non
<taxonomicName id="4C7B4D1030063F21FF28FF1EFE7DFF1C" box="[201,398,223,245]" class="Branchiopoda" genus="Disparalona" kingdom="Animalia" order="Diplostraca" pageId="8" pageNumber="53" phylum="Arthropoda" rank="species" species="hamat">
<emphasis id="B90FEA8130063F21FF28FF1EFE7DFF1C" box="[201,398,223,245]" italics="true" pageId="8" pageNumber="53">Disparalona hamat</emphasis>
</taxonomicName>
а (Birge, 1910) s. str.
</paragraph>
<paragraph id="8BC4369330063F21FF76FEE1FDCAFE20" blockId="8.[151,1436,288,458]" pageId="8" pageNumber="53">
<emphasis id="B90FEA8130063F21FF76FEE1FE98FED0" bold="true" box="[151,363,288,313]" pageId="8" pageNumber="53">Description. Male</emphasis>
. Length of two studied males were
<quantity id="4C839B7630063F21FD18FEE0FC93FED0" box="[761,864,289,313]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="8" pageNumber="53" unit="mm" value="0.5">0.50 mm</quantity>
. Body low oval (
<figureCitation id="13402A1630063F21FBFCFEE0FBACFED0" box="[1053,1119,289,313]" captionStart="FIGURE 5" captionStartId="8.[151,250,1770,1793]" captionTargetBox="[152,1433,537,1732]" captionTargetId="figure@8.[150,1436,510,1749]" captionTargetPageId="8" captionText="FIGURE 5. Disparalona cf. hamata (Birge, 1810), adult male from culture from Loeng Yai reservoir, Khon Kaen area: A—lateral view, B—outline of postabdomen, C—distal part of postabdomen, D E—antennule in different positions (aestheatascs omitted in E), F—thoracic limb I, G—copulatory hook and IDL of limb I. Scale bars: 0.1 mm for A and B, 0.05 mm for C G." httpUri="https://zenodo.org/record/277278/files/figure.png" pageId="8" pageNumber="53">Fig. 5</figureCitation>
A), height/length ratio about 0.5. Maximum height in the second fourth of the body. Dorsal margin of valves convex, posterior margin of valves almost straight, posteroventral and posterodorsal angles broadly rounded. Ventral margin of valves convex. Head large, narrow. Rostrum long, bend at the middle at almost right angle, its tip pointed posteriorly. Eye and ocellus large, eye 2 times larger than ocellus.
</paragraph>
<caption id="DF04661B30063F21FF76F92BFA63F8AD" httpUri="https://zenodo.org/record/277278/files/figure.png" pageId="8" pageNumber="53" targetBox="[152,1433,537,1732]" targetPageId="8">
<paragraph id="8BC4369330063F21FF76F92BFA63F8AD" blockId="8.[151,1436,1770,1861]" pageId="8" pageNumber="53">
<emphasis id="B90FEA8130063F21FF76F92BFEE1F8E9" bold="true" box="[151,274,1770,1793]" pageId="8" pageNumber="53">FIGURE 5.</emphasis>
<taxonomicName id="4C7B4D1030063F21FEF9F92AFD6BF8E8" authority="(Birge, 1810)" authorityName="Birge" authorityYear="1810" baseAuthorityName="Birge" baseAuthorityYear="1810" box="[280,664,1770,1793]" class="Branchiopoda" genus="Disparalona" isUncertain="true" kingdom="Animalia" order="Diplostraca" pageId="8" pageNumber="53" phylum="Arthropoda" rank="species" species="hamata">
<emphasis id="B90FEA8130063F21FEF9F92AFE6BF8E8" box="[280,408,1771,1793]" italics="true" pageId="8" pageNumber="53">Disparalona</emphasis>
cf.
<emphasis id="B90FEA8130063F21FE5CF92AFDFAF8E8" box="[445,521,1771,1793]" italics="true" pageId="8" pageNumber="53">hamata</emphasis>
(Birge, 1810)
</taxonomicName>
, adult male from culture from Loeng Yai reservoir, Khon Kaen area: A—lat-eral view, B—outline of postabdomen, C—distal part of postabdomen, DE—antennule in different positions (aestheatascs omitted in E), F—thoracic limb I, G—copulatory hook and IDL of limb I. Scale bars: 0.1 mm for A and B, 0.05 mm for CG.
</paragraph>
</caption>
<paragraph id="8BC4369330063F20FF26F8B4FCF6FED6" blockId="8.[151,1437,1909,2005]" lastBlockId="9.[151,1437,151,1077]" lastPageId="9" lastPageNumber="54" pageId="8" pageNumber="53">
<emphasis id="B90FEA8130063F21FF26F8B4FEACF864" box="[199,351,1909,1933]" italics="true" pageId="8" pageNumber="53">Postabdomen</emphasis>
(
<figureCitation id="13402A1630063F21FE8EF8B4FE41F864" box="[367,434,1909,1933]" captionStart="FIGURE 5" captionStartId="8.[151,250,1770,1793]" captionTargetBox="[152,1433,537,1732]" captionTargetId="figure@8.[150,1436,510,1749]" captionTargetPageId="8" captionText="FIGURE 5. Disparalona cf. hamata (Birge, 1810), adult male from culture from Loeng Yai reservoir, Khon Kaen area: A—lateral view, B—outline of postabdomen, C—distal part of postabdomen, D E—antennule in different positions (aestheatascs omitted in E), F—thoracic limb I, G—copulatory hook and IDL of limb I. Scale bars: 0.1 mm for A and B, 0.05 mm for C G." httpUri="https://zenodo.org/record/277278/files/figure.png" pageId="8" pageNumber="53">Fig. 5</figureCitation>
B, C) long and narrow, slightly curved and narrowing in postanal portion, length about 4 height. Ventral margin convex and wavy in postanal portion, concave at the level of postanal angle. Sperm duct openings located at the end of postabdomen, on level of incursion between the base of claws and distal angle. Distal angle small, rounded, nor prominent. Distal part of postabdomen 2.2 times longer than preanal, postanal portion 1.5 times longer than anal. Both anal and postanal margins concave. Both postanal and preanal angles defined. Dorsal margin with cluster of long setules and single large denticle at the end, following by about 15 clusters of short setules. Lateral fascicles of setules same as in female. Postabdominal claw curved, about 2/3 length of preanal margin, with thin basal spine about 0.25 length of claw.
</paragraph>
<paragraph id="8BC4369330073F20FF26FE8DFDDAFE45" blockId="9.[151,1437,151,1077]" pageId="9" pageNumber="54">
<emphasis id="B90FEA8130073F20FF26FE8DFECAFE8D" box="[199,313,332,356]" italics="true" pageId="9" pageNumber="54">Antennule</emphasis>
(
<figureCitation id="13402A1630073F20FEADFE8DFE61FE8D" box="[332,402,332,356]" captionStart="FIGURE 5" captionStartId="8.[151,250,1770,1793]" captionTargetBox="[152,1433,537,1732]" captionTargetId="figure@8.[150,1436,510,1749]" captionTargetPageId="8" captionText="FIGURE 5. Disparalona cf. hamata (Birge, 1810), adult male from culture from Loeng Yai reservoir, Khon Kaen area: A—lateral view, B—outline of postabdomen, C—distal part of postabdomen, D E—antennule in different positions (aestheatascs omitted in E), F—thoracic limb I, G—copulatory hook and IDL of limb I. Scale bars: 0.1 mm for A and B, 0.05 mm for C G." httpUri="https://zenodo.org/record/277278/files/figure.png" pageId="9" pageNumber="54">Fig. 5</figureCitation>
D, E) large, broad, length/width ratio about 1.8, with 10 terminal aesthetascs of variable length, longest about 2/3 length of antennule, Male seta thick, very long, about 1.21.3 length of antennule, arising at 1/3 antennule length from the tip.
</paragraph>
<paragraph id="8BC4369330073F20FF26FE79FA8BFDB6" blockId="9.[151,1437,151,1077]" pageId="9" pageNumber="54">
<emphasis id="B90FEA8130073F20FF26FE79FE89FE39" box="[199,378,440,464]" italics="true" pageId="9" pageNumber="54">Thoracic limb I</emphasis>
(
<figureCitation id="13402A1630073F20FE6DFE76FE3CFE26" box="[396,463,439,463]" captionStart="FIGURE 5" captionStartId="8.[151,250,1770,1793]" captionTargetBox="[152,1433,537,1732]" captionTargetId="figure@8.[150,1436,510,1749]" captionTargetPageId="8" captionText="FIGURE 5. Disparalona cf. hamata (Birge, 1810), adult male from culture from Loeng Yai reservoir, Khon Kaen area: A—lateral view, B—outline of postabdomen, C—distal part of postabdomen, D E—antennule in different positions (aestheatascs omitted in E), F—thoracic limb I, G—copulatory hook and IDL of limb I. Scale bars: 0.1 mm for A and B, 0.05 mm for C G." httpUri="https://zenodo.org/record/277278/files/figure.png" pageId="9" pageNumber="54">Fig. 5</figureCitation>
F,G) of moderate size, copulatory hook U-shaped, small, 2.5 times shorter than limb itself. Copulatory brush present, three clusters of numerous long setules located below it on the ventral face of limb. Copulatory brush seta long, slender, slightly smaller than setae of endite 3. IDL seta 1 absent, setae 2 and 3 similar to that of female; seta 3 massive, claw-like; seta 2 of similar length, but much thinner, setulated distally; male seta slender, curved in distal portion, about 2/3 length of seta 2. Morphology of endites same as in female.
</paragraph>
<paragraph id="8BC4369330073F20FF26FDAAFB05FCDE" blockId="9.[151,1437,151,1077]" pageId="9" pageNumber="54">
<emphasis id="B90FEA8130073F20FF26FDAAFE5CFD6D" bold="true" box="[199,431,619,644]" pageId="9" pageNumber="54">Taxonomical notes.</emphasis>
<taxonomicName id="4C7B4D1030073F20FE5BFDADFD55FD6D" box="[442,678,620,644]" class="Branchiopoda" genus="Disparalona" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="54" phylum="Arthropoda" rank="species" species="hamata">
<emphasis id="B90FEA8130073F20FE5BFDADFD55FD6D" box="[442,678,620,644]" italics="true" pageId="9" pageNumber="54">Disparalona hamata</emphasis>
</taxonomicName>
(syn.
<taxonomicName id="4C7B4D1030073F20FD13FDADFC32FD6D" box="[754,961,620,644]" class="Branchiopoda" genus="Pleuroxus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="54" phylum="Arthropoda" rank="species" species="hamata">
<emphasis id="B90FEA8130073F20FD13FDADFC32FD6D" box="[754,961,620,644]" italics="true" pageId="9" pageNumber="54">Pleuroxus hamata</emphasis>
</taxonomicName>
,
<taxonomicName id="4C7B4D1030073F20FC32FDADFB55FD6D" box="[979,1190,620,644]" class="Branchiopoda" genus="Alonella" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="54" phylum="Arthropoda" rank="species" species="hamulata">
<emphasis id="B90FEA8130073F20FC32FDADFB55FD6D" box="[979,1190,620,644]" italics="true" pageId="9" pageNumber="54">Alonella hamulata</emphasis>
</taxonomicName>
) was described from North
<collectingCountry id="F36C760330073F20FF03FD4EFEB1FD4E" box="[226,322,655,679]" name="United States of America" pageId="9" pageNumber="54">America</collectingCountry>
(
<collectingCountry id="F36C760330073F20FEB2FD4EFE7CFD4E" box="[339,399,655,679]" name="United States of America" pageId="9" pageNumber="54">USA</collectingCountry>
, Massachusetts). It is presumed to be cosmopolitan (
<bibRefCitation id="EFEA4B6230073F20FC10FD4EFB6AFD4E" author="Smirnov" box="[1009,1177,655,679]" pageId="9" pageNumber="54" refString="Smirnov, N. N. (1996) Cladocera: the Chydorinae and Sayciinae (Chydoridae) of the world. Guides to the identification of the microivertebrates of the Continental Waters of the world, Vol. 11. SPB Academic Publishing, Amsterdam, 197 pp." type="book" year="1996">Smirnov 1996</bibRefCitation>
), recorded from North and South
<collectingCountry id="F36C760330073F20FEEFFD75FE82FD25" box="[270,369,692,716]" name="United States of America" pageId="9" pageNumber="54">America</collectingCountry>
, Europe, Africa and Southern Asia. Such wide distribution does not agree with Freys non-cosmopolitanism paradigm (
<bibRefCitation id="EFEA4B6230073F20FE51FD16FDD5FD06" author="Frey" box="[432,550,727,751]" pageId="9" pageNumber="54" refString="Frey, D. G. (1982) Questions concerning cosmopolitanism in Cladocera. Archiv fur Hydrobiologie, 93, 484 - 502." type="journal article" year="1982">Frey 1982</bibRefCitation>
,
<bibRefCitation id="EFEA4B6230073F20FDD0FD16FD9FFD06" author="Frey" box="[561,620,727,751]" pageId="9" pageNumber="54" refString="Frey, D. G. (1987) The taxonomy and biogeography of the Cladocera. Hydrobiologia, 145, 5 - 17." type="journal article" year="1987">1987</bibRefCitation>
), now widely accepted in cladoceran taxonomy (
<bibRefCitation id="EFEA4B6230073F20FB6FFD16FAABFD06" author="Kotov" box="[1166,1368,727,752]" pageId="9" pageNumber="54" refString="Kotov, A. A., Sinev, A. Y. &amp; Berrios, V. L. (2010) The Cladocera (Crustacea: Branchiopoda) of six high altitude water bodies in the North Chilean Andes, with discussion of Andean endemism. Zootaxa, 2430, 1 - 66." type="journal article" year="2010">
Kotov
<emphasis id="B90FEA8130073F20FB3DFD18FAE6FD19" box="[1244,1301,728,752]" italics="true" pageId="9" pageNumber="54">et al.</emphasis>
2010
</bibRefCitation>
). This usually indicates a species-complex, as in many other Chydorinae. An African taxon,
<taxonomicName id="4C7B4D1030073F20FBBDFD3DFF3CFCDE" authority="Brehm, 1934" authorityName="Brehm" authorityYear="1934" class="Branchiopoda" genus="Pleuroxus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="54" phylum="Arthropoda" rank="species" species="chappuisi">
<emphasis id="B90FEA8130073F20FBBDFD3DFAB2FCFD" box="[1116,1345,764,788]" italics="true" pageId="9" pageNumber="54">Pleuroxus chappuisi</emphasis>
Brehm, 1934
</taxonomicName>
is presumed to be a synonym of
<taxonomicName id="4C7B4D1030073F20FDA0FCE0FC81FCDE" authority="Smirnov 1996" authorityName="Smirnov" authorityYear="1996" box="[577,882,799,824]" class="Branchiopoda" genus="Pleuroxus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="54" phylum="Arthropoda" rank="species" species="hamata">
<emphasis id="B90FEA8130073F20FDA0FCE0FD44FCD1" box="[577,695,800,824]" italics="true" pageId="9" pageNumber="54">D. hamata</emphasis>
(
<bibRefCitation id="EFEA4B6230073F20FD27FCDEFC98FCDE" author="Smirnov" box="[710,875,799,823]" pageId="9" pageNumber="54" refString="Smirnov, N. N. (1996) Cladocera: the Chydorinae and Sayciinae (Chydoridae) of the world. Guides to the identification of the microivertebrates of the Continental Waters of the world, Vol. 11. SPB Academic Publishing, Amsterdam, 197 pp." type="book" year="1996">Smirnov 1996</bibRefCitation>
)
</taxonomicName>
, but is possibly a separate species.
</paragraph>
<paragraph id="8BC4369330073F20FF26FC85FA9BFBDD" blockId="9.[151,1437,151,1077]" pageId="9" pageNumber="54">
The only, partial, description of
<taxonomicName id="4C7B4D1030073F20FDDCFC85FCE9FCB5" box="[573,794,836,860]" class="Branchiopoda" genus="Disparalona" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="54" phylum="Arthropoda" rank="species" species="hamat">
<emphasis id="B90FEA8130073F20FDDCFC85FCE9FCB5" box="[573,794,836,860]" italics="true" pageId="9" pageNumber="54">Disparalona hamat</emphasis>
</taxonomicName>
a male, from Washington,
<collectingCountry id="F36C760330073F20FBACFC85FB7BFCB5" box="[1101,1160,836,860]" name="United States of America" pageId="9" pageNumber="54">USA</collectingCountry>
, was provided by
<bibRefCitation id="EFEA4B6230073F20FABEFC85FE89FC96" author="Kiser" pageId="9" pageNumber="54" refString="Kiser, R. W. (1950) The occurrence of the male generation in cladocerans, Pleuroxus procurvatus Birge and Pleuroxus hamatus Birge. Transactions of the American Microscopic Society, 69, 3, 243 - 247." type="journal article" year="1950" yearSuffix="p">Kiser (1950, p. 247, Pl.2)</bibRefCitation>
. Unlike our specimens, male of North American
<taxonomicName id="4C7B4D1030073F20FC54FCA8FBDEFC69" box="[949,1069,872,896]" class="Branchiopoda" genus="Pleuroxus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="54" phylum="Arthropoda" rank="species" sensu="stricto" species="hamata">
<emphasis id="B90FEA8130073F20FC54FCA8FBDEFC69" box="[949,1069,872,896]" italics="true" pageId="9" pageNumber="54">D. hamata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A23C57FA30073F20FBD6FCA8FB86FC69" box="[1079,1141,873,896]" pageId="9" pageNumber="54" sensu="stricto">s. str.</taxonomicNameLabel>
has much shorter, evenly curved rostrum and different morphology of postabdomen. It is evenly narrowing distally, not curved in postanal portion, and has no expressed distal angle and no large denticle at the end. Such differences obviously mean that our population does not belong to
<taxonomicName id="4C7B4D1030073F20FDF4FC14FD78FC05" box="[533,651,980,1004]" class="Branchiopoda" genus="Pleuroxus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="54" phylum="Arthropoda" rank="species" sensu="stricto" species="hamata">
<emphasis id="B90FEA8130073F20FDF4FC14FD78FC05" box="[533,651,980,1004]" italics="true" pageId="9" pageNumber="54">D. hamata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A23C57FA30073F20FD73FC14FD3DFC05" box="[658,718,981,1004]" pageId="9" pageNumber="54" sensu="stricto">s. str.</taxonomicNameLabel>
, but to a new, not yet described sibling-species. A revision of
<taxonomicName id="4C7B4D1030073F20FA60FC14FF18FBF9" class="Branchiopoda" genus="Pleuroxus" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="54" phylum="Arthropoda" rank="species" species="hamata">
<emphasis id="B90FEA8130073F20FA60FC14FF18FBF9" italics="true" pageId="9" pageNumber="54">D. hamata</emphasis>
</taxonomicName>
complex should be conducted. A similar situation was revealed for the
<taxonomicName id="4C7B4D1030073F20FBF5FC38FB7CFBF9" box="[1044,1167,1017,1040]" class="Branchiopoda" genus="Disparalona" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="54" phylum="Arthropoda" rank="species" species="rostrata">
<emphasis id="B90FEA8130073F20FBF5FC38FB7CFBF9" box="[1044,1167,1017,1040]" italics="true" pageId="9" pageNumber="54">D. rostrata</emphasis>
</taxonomicName>
complex by
<bibRefCitation id="EFEA4B6230073F20FAC2FC36FEEDFBDD" author="Michael" pageId="9" pageNumber="54" refString="Michael, R. G. &amp; Frey, D. G. (1984) Separation of Disparalona leei (Chien, 1970) in North America from D. rostrata (Koch, 1841) in Europe (Cladocera, Chydoridae). Hydrobiologia, 114, 81 - 108." type="journal article" year="1984">Michael &amp; Frey (1984)</bibRefCitation>
, with
<taxonomicName id="4C7B4D1030073F20FE82FBDCFE2DFBDD" box="[355,478,1053,1076]" class="Branchiopoda" genus="Disparalona" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="54" phylum="Arthropoda" rank="species" sensu="stricto" species="rostrata">
<emphasis id="B90FEA8130073F20FE82FBDCFE2DFBDD" box="[355,478,1053,1076]" italics="true" pageId="9" pageNumber="54">D. rostrata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A23C57FA30073F20FE04FBDCFDD3FBDD" box="[485,544,1053,1076]" pageId="9" pageNumber="54" sensu="stricto">s. str.</taxonomicNameLabel>
distributed only in Palearctic, and
<taxonomicName id="4C7B4D1030073F20FC47FBDCFB67FBDD" authority="Chien, 1970" authorityName="Chien" authorityYear="1970" box="[934,1172,1052,1076]" class="Branchiopoda" genus="Disparalona" kingdom="Animalia" order="Diplostraca" pageId="9" pageNumber="54" phylum="Arthropoda" rank="species" species="leei">
<emphasis id="B90FEA8130073F20FC47FBDCFC02FBDD" box="[934,1009,1052,1076]" italics="true" pageId="9" pageNumber="54">D. leei</emphasis>
(Chien, 1970)
</taxonomicName>
in North
<collectingCountry id="F36C760330073F20FAE1FBDDFA97FBDD" box="[1280,1380,1052,1076]" name="United States of America" pageId="9" pageNumber="54">America</collectingCountry>
.
</paragraph>
</subSubSection>
</treatment>
</document>