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<document id="7FB33D34D2B6F0D353C2CD94A30BD980" ID-CLB-Dataset="46355" ID-DOI="10.5281/zenodo.204065" ID-GBIF-Dataset="c1eae92f-c9a6-4f58-918c-7d5133a44b54" ID-ISSN="1175-5326" ID-Zenodo-Dep="204065" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460389057337" checkinUser="plazi" docAuthor="Hanamura, Yukio, Imai, Hideyuki, Lasasimma, Oulaytham, Souliyamath, Pany &amp; Ito, Sayaka" docDate="2011" docId="221C87DCFF89686F33CCCBC4FD0E5C9B" docLanguage="en" docName="zt03025p037.pdf" docOrigin="Zootaxa 3025" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Macrobrachium" docType="treatment" docVersion="11" lastPageNumber="34" masterDocId="DE25FFA4FF96684E335BCD60FFD05E33" masterDocTitle="Freshwater prawns of the genus Macrobrachium Bate, 1868 (Crustacea, Decapoda, Palaemonidae) from Laos" masterLastPageNumber="37" masterPageNumber="1" pageNumber="32" updateTime="1698297991708" updateUser="ExternalLinkService">
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<mods:title id="A61997DEDCD11D9DC8B5E053782A97D5">Freshwater prawns of the genus Macrobrachium Bate, 1868 (Crustacea, Decapoda, Palaemonidae) from Laos</mods:title>
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<mods:namePart id="1939F39D3CACABD3B96998B7F5C1C513">Hanamura, Yukio</mods:namePart>
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<mods:namePart id="6D6FA13C721F662B505EDB0A5B45B1F4">Imai, Hideyuki</mods:namePart>
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<mods:namePart id="BC068BD2D3F0695744A89C71070EC2EC">Lasasimma, Oulaytham</mods:namePart>
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<mods:namePart id="0602E6A988FCE7E72E220C64D2782DAB">Souliyamath, Pany</mods:namePart>
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<mods:namePart id="1EBA6CCEC567F12F3FA7FB68B7B40C24">Ito, Sayaka</mods:namePart>
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<mods:date id="450326DE9B0CFE443E0B9D4186C4ACEB">2011</mods:date>
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<treatment id="221C87DCFF89686F33CCCBC4FD0E5C9B" ID-DOI="http://doi.org/10.5281/zenodo.5673803" ID-GBIF-Taxon="119416195" ID-Zenodo-Dep="5673803" LSID="urn:lsid:plazi:treatment:221C87DCFF89686F33CCCBC4FD0E5C9B" httpUri="http://treatment.plazi.org/id/221C87DCFF89686F33CCCBC4FD0E5C9B" lastPageId="33" lastPageNumber="34" pageId="31" pageNumber="32">
<subSubSection id="E2AF6541FF89685133CCCBC4FF2958EC" pageId="31" pageNumber="32" type="nomenclature">
<paragraph id="AA0A36CAFF89685133CCCBC4FE57588D" blockId="31.[151,391,1700,1759]" box="[151,391,1700,1726]" pageId="31" pageNumber="32">
<heading id="F14281A6FF89685133CCCBC4FE57588D" bold="true" box="[151,391,1700,1726]" fontSize="11" level="1" pageId="31" pageNumber="32" reason="1">
<emphasis id="98C1EAD8FF89685133CCCBC4FE57588D" bold="true" box="[151,391,1700,1726]" pageId="31" pageNumber="32">
<taxonomicName id="6DB54D49FF89685133CCCBC4FE8C588D" ID-CoL="4a489b2a-7bc3-4b4b-8982-82855d710e9d" box="[151,348,1700,1726]" class="Malacostraca" family="Palaemonidae" genus="Macrobrachium" kingdom="Animalia" order="Decapoda" pageId="31" pageNumber="32" phylum="Arthropoda" rank="genus">
<emphasis id="98C1EAD8FF89685133CCCBC4FE8C588D" bold="true" box="[151,348,1700,1726]" italics="true" pageId="31" pageNumber="32">Macrobrachium</emphasis>
</taxonomicName>
sp.
</emphasis>
</heading>
</paragraph>
<paragraph id="AA0A36CAFF89685133CCCBA7FF2958EC" blockId="31.[151,391,1700,1759]" box="[151,249,1735,1759]" pageId="31" pageNumber="32">
(
<figureCitation id="328E2A4FFF89685133C4CBA7FF2158EC" box="[159,241,1735,1759]" captionStart="FIGURE 19" captionStartId="32.[151,250,1946,1969]" captionTargetBox="[192,1385,410,1902]" captionTargetId="figure@32.[178,1409,409,1925]" captionTargetPageId="32" captionText="FIGURE 19. Macrobrachium sp., male (CL 11.0 mm) collected from Vientiane Capital, Laos: a, entire body; b, chela of left second pereopod, lateral view; c, propodus and dactylus of left third pereopod, lateral view; d, dactylus of same leg, lateral view; e, appendix masculina, mesial view; f, endopodal diaeresis, lateral view." httpUri="https://zenodo.org/record/204083/files/figure.png" pageId="31" pageNumber="32">Fig. 19</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="E2AF6541FF89685133CCCA6EFEA05978" pageId="31" pageNumber="32" type="materials_examined">
<paragraph id="AA0A36CAFF89685133CCCA6EFEA05978" blockId="31.[151,1436,1806,2011]" pageId="31" pageNumber="32">
<emphasis id="98C1EAD8FF89685133CCCA6EFD8A5914" bold="true" box="[151,602,1806,1831]" pageId="31" pageNumber="32">Material examined. Vientiane Capital</emphasis>
: Phatthana Village,
<specimenCount id="BCB3FD43FF8968513065CA6FFC5A5914" box="[830,906,1807,1831]" pageId="31" pageNumber="32" type="male">1 male</specimenCount>
(CL 11.0 mm),
<date id="DE0B100AFF896851371ACA6FFB045914" box="[1089,1236,1807,1831]" pageId="31" pageNumber="32" value="2007-12-22">22 Dec 2007</date>
, coll. school children &amp; H. Ikenoue.
</paragraph>
</subSubSection>
<subSubSection id="E2AF6541FF89686F339CCA36FF1A5FB4" lastPageId="33" lastPageNumber="34" pageId="31" pageNumber="32" type="diagnosis">
<paragraph id="AA0A36CAFF896851339CCA36FC4A59E8" blockId="31.[151,1436,1806,2011]" pageId="31" pageNumber="32">
<emphasis id="98C1EAD8FF896851339CCA36FE91595C" bold="true" box="[199,321,1878,1903]" pageId="31" pageNumber="32">Diagnosis.</emphasis>
Rostrum (
<figureCitation id="328E2A4FFF89685132E2CA37FDDB595C" box="[441,523,1879,1903]" captionStart="FIGURE 19" captionStartId="32.[151,250,1946,1969]" captionTargetBox="[192,1385,410,1902]" captionTargetId="figure@32.[178,1409,409,1925]" captionTargetPageId="32" captionText="FIGURE 19. Macrobrachium sp., male (CL 11.0 mm) collected from Vientiane Capital, Laos: a, entire body; b, chela of left second pereopod, lateral view; c, propodus and dactylus of left third pereopod, lateral view; d, dactylus of same leg, lateral view; e, appendix masculina, mesial view; f, endopodal diaeresis, lateral view." httpUri="https://zenodo.org/record/204083/files/figure.png" pageId="31" pageNumber="32">Fig. 19</figureCitation>
a, tip broken) nearly straight, reaching anterior end of antennal scale, armed dorsally with 8 teeth, including 2 situated clearly posterior to orbital margin, ventral margin with 3 teeth; antennal spine arising just behind lateral margin, apex extending as far as end of antennal lobe; hepatic spine as large as antennal spine, placed posteriorly, just below level of antennal spine.
</paragraph>
<paragraph id="AA0A36CAFFB6686E339ECDF7FEC95F2F" blockId="32.[151,1436,151,356]" pageId="32" pageNumber="33">Sixth abdominal somite 1.54 times as long as fifth, pre-anal carina distinct, sub-triangular. Telson as long as sixth abdominal somite, posterior end triangular, with moderately large median projection, possessing 2 pairs of ordinary sub-terminal spines and 2 pairs of dorsolateral spines, anterior pair of latter ones situated just anterior to mid-length.</paragraph>
<paragraph id="AA0A36CAFFB6686E339ECC47FEDE5F57" blockId="32.[151,1436,151,356]" pageId="32" pageNumber="33">Antennal scale 0.8 times as long as carapace, 3.3 times as long as wide. Epistome without anteromedian lobe (bi-lobed).</paragraph>
<caption id="FECA6642FFB6686E33CCCAFAFC6159C6" httpUri="https://zenodo.org/record/204083/files/figure.png" pageId="32" pageNumber="33" targetBox="[192,1385,410,1902]" targetPageId="32">
<paragraph id="AA0A36CAFFB6686E33CCCAFAFC6159C6" blockId="32.[151,1436,1946,2037]" pageId="32" pageNumber="33">
<emphasis id="98C1EAD8FFB6686E33CCCAFAFEF05983" bold="true" box="[151,288,1946,1969]" pageId="32" pageNumber="33">FIGURE 19.</emphasis>
<taxonomicName id="6DB54D49FFB6686E3273CAFBFE1C5982" box="[296,460,1947,1969]" class="Malacostraca" family="Palaemonidae" genus="Macrobrachium" kingdom="Animalia" order="Decapoda" pageId="32" pageNumber="33" phylum="Arthropoda" rank="genus">
<emphasis id="98C1EAD8FFB6686E3273CAFBFE1C5982" box="[296,460,1947,1969]" italics="true" pageId="32" pageNumber="33">Macrobrachium</emphasis>
</taxonomicName>
sp., male (CL 11.0 mm) collected from Vientiane Capital, Laos: a, entire body; b, chela of left second pereopod, lateral view; c, propodus and dactylus of left third pereopod, lateral view; d, dactylus of same leg, lateral view; e, appendix masculina, mesial view; f, endopodal diaeresis, lateral view.
</paragraph>
</caption>
<paragraph id="AA0A36CAFFB7686F339ECDF7FBAF5F2F" blockId="33.[151,1437,151,680]" pageId="33" pageNumber="34">
First pereopod extending beyond antennal scale by length of chela. Second pereopods (
<figureCitation id="328E2A4FFFB7686F37F8CDF7FB255E9C" box="[1187,1269,151,175]" captionStart="FIGURE 19" captionStartId="32.[151,250,1946,1969]" captionTargetBox="[192,1385,410,1902]" captionTargetId="figure@32.[178,1409,409,1925]" captionTargetPageId="32" captionText="FIGURE 19. Macrobrachium sp., male (CL 11.0 mm) collected from Vientiane Capital, Laos: a, entire body; b, chela of left second pereopod, lateral view; c, propodus and dactylus of left third pereopod, lateral view; d, dactylus of same leg, lateral view; e, appendix masculina, mesial view; f, endopodal diaeresis, lateral view." httpUri="https://zenodo.org/record/204083/files/figure.png" pageId="33" pageNumber="34">Fig. 19</figureCitation>
a, b) sub-equal in length, shorter than entire body, extending beyond antennal scale by one-third of carpus and onwards; merus slightly longer than carpus, latter as long as palm; fingers 0.75 times as long as palm, without tubercles or teeth on cutting edges. Third pereopod (
<figureCitation id="328E2A4FFFB7686F32ADCC64FD975F2F" box="[502,583,260,284]" captionStart="FIGURE 19" captionStartId="32.[151,250,1946,1969]" captionTargetBox="[192,1385,410,1902]" captionTargetId="figure@32.[178,1409,409,1925]" captionTargetPageId="32" captionText="FIGURE 19. Macrobrachium sp., male (CL 11.0 mm) collected from Vientiane Capital, Laos: a, entire body; b, chela of left second pereopod, lateral view; c, propodus and dactylus of left third pereopod, lateral view; d, dactylus of same leg, lateral view; e, appendix masculina, mesial view; f, endopodal diaeresis, lateral view." httpUri="https://zenodo.org/record/204083/files/figure.png" pageId="33" pageNumber="34">Fig. 19</figureCitation>
c, d) with propodus 2.8 times longer than dactylus.
</paragraph>
<paragraph id="AA0A36CAFFB7686F339ECC47FF1A5FB4" blockId="33.[151,1437,151,680]" pageId="33" pageNumber="34">
Appendix masculina (
<figureCitation id="328E2A4FFFB7686F32E7CC47FDDD5F0C" box="[444,525,295,319]" captionStart="FIGURE 19" captionStartId="32.[151,250,1946,1969]" captionTargetBox="[192,1385,410,1902]" captionTargetId="figure@32.[178,1409,409,1925]" captionTargetPageId="32" captionText="FIGURE 19. Macrobrachium sp., male (CL 11.0 mm) collected from Vientiane Capital, Laos: a, entire body; b, chela of left second pereopod, lateral view; c, propodus and dactylus of left third pereopod, lateral view; d, dactylus of same leg, lateral view; e, appendix masculina, mesial view; f, endopodal diaeresis, lateral view." httpUri="https://zenodo.org/record/204083/files/figure.png" pageId="33" pageNumber="34">Fig. 19</figureCitation>
e) with stiff setae on anterior margin and several setae aligned on mesial surface. Exopod of uropod (
<figureCitation id="328E2A4FFFB7686F3229CC2CFE115F57" box="[370,449,332,356]" captionStart="FIGURE 19" captionStartId="32.[151,250,1946,1969]" captionTargetBox="[192,1385,410,1902]" captionTargetId="figure@32.[178,1409,409,1925]" captionTargetPageId="32" captionText="FIGURE 19. Macrobrachium sp., male (CL 11.0 mm) collected from Vientiane Capital, Laos: a, entire body; b, chela of left second pereopod, lateral view; c, propodus and dactylus of left third pereopod, lateral view; d, dactylus of same leg, lateral view; e, appendix masculina, mesial view; f, endopodal diaeresis, lateral view." httpUri="https://zenodo.org/record/204083/files/figure.png" pageId="33" pageNumber="34">Fig. 19</figureCitation>
f) sub-equal in length to endopod, movable spine on diaeresis longer than lateral projection.
</paragraph>
</subSubSection>
<subSubSection id="E2AF6541FFB7686F339ECCF4FD0E5C9B" pageId="33" pageNumber="34" type="discussion">
<paragraph id="AA0A36CAFFB7686F339ECCF4FD0E5C9B" blockId="33.[151,1437,151,680]" pageId="33" pageNumber="34">
<emphasis id="98C1EAD8FFB7686F339ECCF4FEE95F9F" bold="true" box="[197,313,404,428]" pageId="33" pageNumber="34">Remarks.</emphasis>
This specimen was regarded as adult because its appendix masuculina (
<figureCitation id="328E2A4FFFB7686F373CCCF4FB695F9F" box="[1127,1209,404,428]" captionStart="FIGURE 19" captionStartId="32.[151,250,1946,1969]" captionTargetBox="[192,1385,410,1902]" captionTargetId="figure@32.[178,1409,409,1925]" captionTargetPageId="32" captionText="FIGURE 19. Macrobrachium sp., male (CL 11.0 mm) collected from Vientiane Capital, Laos: a, entire body; b, chela of left second pereopod, lateral view; c, propodus and dactylus of left third pereopod, lateral view; d, dactylus of same leg, lateral view; e, appendix masculina, mesial view; f, endopodal diaeresis, lateral view." httpUri="https://zenodo.org/record/204083/files/figure.png" pageId="33" pageNumber="34">Fig. 19</figureCitation>
e) is well developed and superficially resembles
<taxonomicName id="6DB54D49FFB7686F3286CCD9FDB15FE3" box="[477,609,441,464]" class="Malacostraca" family="Palaemonidae" genus="Macrobrachium" kingdom="Animalia" order="Decapoda" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="tratense">
<emphasis id="98C1EAD8FFB7686F3286CCD9FDB15FE3" box="[477,609,441,464]" italics="true" pageId="33" pageNumber="34">M. tratense</emphasis>
</taxonomicName>
. However, it differs from the latter species in having a comparatively shorter rostrum, with fewer teeth on both the dorsal and ventral margins, and the second pereopod was proportionately shorter than that of the latter species (cf. Cai
<emphasis id="98C1EAD8FFB7686F3187CF61FCDE5C2B" box="[732,782,512,536]" italics="true" pageId="33" pageNumber="34">et al</emphasis>
. 2004;
<figureCitation id="328E2A4FFFB7686F303DCC9FFC025C24" box="[870,978,511,535]" captionStart-0="FIGURE 3" captionStart-1="FIGURE 4" captionStart-2="FIGURE 5" captionStartId-0="6.[151,250,1970,1993]" captionStartId-1="7.[151,250,1887,1910]" captionStartId-2="9.[151,250,1702,1725]" captionTargetBox-0="[423,1170,198,1945]" captionTargetBox-1="[169,1415,203,1841]" captionTargetBox-2="[184,1407,219,1660]" captionTargetId-0="figure@6.[412,1176,169,1946]" captionTargetId-1="figure@7.[155,1432,193,1866]" captionTargetId-2="figure@9.[151,1436,195,1681]" captionTargetPageId-0="6" captionTargetPageId-1="7" captionTargetPageId-2="9" captionText-0="FIGURE 3. Macrobrachium dienbienphuense, male (CL 17.7 mm) collected from Luang Prabang Province, Laos, entire body. Scale bar = 10 mm." captionText-1="FIGURE 4. Macrobrachium dienbienphuense, male (CL 12.5 mm) (a, g) and male (CL 14. 6 mm) (b f) collected from Pakseng, Laos: a, entire body; b, epistome; c, fingers of second major pereopod, denuded, mesial view; d, propodus and dactylus of right third pereopod, lateral view; e, dactylus of same leg, lateral view; f, appendix masculina, mesial view; g, uropodal diaeresis, lateral view." captionText-2="FIGURE 5. Genetic relationship of three species of the “ Macrobrachium dienbienphuense ” group inferred from the mitochondrial gene analysis (16 S rRNA)." httpUri-0="https://zenodo.org/record/204067/files/figure.png" httpUri-1="https://zenodo.org/record/204068/files/figure.png" httpUri-2="https://zenodo.org/record/204069/files/figure.png" pageId="33" pageNumber="34">Figs. 35</figureCitation>
a). The present specimen also somewhat resembles the Chinese
<taxonomicName id="6DB54D49FFB7686F32C3CF45FD2B5C0F" authority="Liang &amp; Yan, 1985" authorityName="Liang &amp; Yan" authorityYear="1985" box="[408,763,548,572]" class="Malacostraca" family="Palaemonidae" genus="Macrobrachium" kingdom="Animalia" order="Decapoda" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="inflatum">
<emphasis id="98C1EAD8FFB7686F32C3CF45FDCA5C0F" box="[408,538,548,572]" italics="true" pageId="33" pageNumber="34">M. inflatum</emphasis>
<bibRefCitation id="CE244B3BFFB7686F3179CF44FD2B5C0F" author="Liang" box="[546,763,548,572]" pageId="33" pageNumber="34" refString="Liang, X. &amp; Yan, S. (1985) New species and record of Palaemoninae from China (Crustacea, Decapoda). Acta Zootaxonomica Sinica, 10, 253 - 258. (in Chinese)" type="journal article" year="1985">Liang &amp; Yan, 1985</bibRefCitation>
</taxonomicName>
, in particular with regard to those reported from the Yunnan Province, south-eastern
<collectingCountry id="D2A2765AFFB7686F32F2CF27FE3C5C6C" box="[425,492,583,607]" name="China" pageId="33" pageNumber="34">China</collectingCountry>
(Cai &amp; Dai 1999;
<figureCitation id="328E2A4FFFB7686F319DCF27FCDC5C6C" box="[710,780,583,607]" captionStart="FIGURE 8" captionStartId="14.[151,250,1873,1896]" captionTargetBox="[172,1401,501,1840]" captionTargetId="figure@14.[163,1423,495,1869]" captionTargetPageId="14" captionText="FIGURE 8. Macrobracium mieni, male (CL 19.9 mm) from Kasi District, Vientiane Province (a, e), male (CL 20.0 mm) (c, d, f, g) collected from Kasi District, Vientiane Province, and male (CL 17.0 mm) (b) collected from Xuang River, Luang Prabang Province, Laos: a, entire body; b, epistome; c, left second pereopod, lateral view; d, basal part of chela of same leg, lateral view; e, propodus and dactylus of left third pereopod, lateral view; f, appendix masculina, mesial view; g, uropodal diaeresis, lateral view." httpUri="https://zenodo.org/record/204072/files/figure.png" pageId="33" pageNumber="34">Fig. 8</figureCitation>
). However, the palm of the second pereopod is distinctly longer than the fingers in the Laotian specimen while it is shorter or sub-equal length in
<taxonomicName id="6DB54D49FFB7686F372DCF0DFB285CB7" box="[1142,1272,620,644]" class="Malacostraca" family="Palaemonidae" genus="Macrobrachium" kingdom="Animalia" order="Decapoda" pageId="33" pageNumber="34" phylum="Arthropoda" rank="species" species="inflatum">
<emphasis id="98C1EAD8FFB7686F372DCF0DFB285CB7" box="[1142,1272,620,644]" italics="true" pageId="33" pageNumber="34">M. inflatum</emphasis>
</taxonomicName>
. More materials are needed before its identity can be ascertained.
</paragraph>
</subSubSection>
</treatment>
</document>