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<document id="9889F7EFD8898171CF4236360E6F641C" ID-DOI="10.5281/zenodo.5342032" ID-ISSN="2345-7600" ID-Zenodo-Dep="5342032" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630192200825" checkinUser="diego" docAuthor="Zettel, Herbert &amp; Tran, A. D." docDate="2009" docId="03D587CD472BFFC621D0FCD36293ACF7" docLanguage="en" docName="57rbz279-295.pdf" docOrigin="Raffles Bulletin of Zoology 57 (2)" docStyle="DocumentStyle:C6443723295B2E4C6F22B9B23F08089C.5:RafflesBZool.2006-2013.journal_article" docStyleId="C6443723295B2E4C6F22B9B23F08089C" docStyleName="RafflesBZool.2006-2013.journal_article" docStyleVersion="5" docTitle="Metrocoris squamifer Lundblad 1933" docType="treatment" docVersion="3" lastPageNumber="293" masterDocId="FFECFFB54726FFC82107FFF2637DAC02" masterDocTitle="First Inventory Of The Water Bugs (Heteroptera: Nepomorpha: Gerromorpha) Of Langkawi Island, Kedah, Malaysia" masterLastPageNumber="295" masterPageNumber="279" pageNumber="292" updateTime="1699181942476" updateUser="plazi" zenodo-license-document="CC-BY-4.0">
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<mods:title id="E05EFDB55DDA77671E59140ED1260665">First Inventory Of The Water Bugs (Heteroptera: Nepomorpha: Gerromorpha) Of Langkawi Island, Kedah, Malaysia</mods:title>
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<mods:namePart id="06D6B75E85F6B66C05FEC9062A1507DF">Zettel, Herbert</mods:namePart>
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<mods:title id="A26E9F843EB5A8A5E693C75C875EE181">Raffles Bulletin of Zoology</mods:title>
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<mods:date id="D4250B493C54B2452D79433D16327B1C">2009</mods:date>
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<subSubSection id="C3666550472BFFC521D0FCD361F8AF3B" box="[215,645,801,825]" pageId="13" pageNumber="292" type="nomenclature">
<paragraph id="8BC336DB472BFFC521D0FCD361F8AF3B" blockId="13.[215,645,801,825]" box="[215,645,801,825]" pageId="13" pageNumber="292">
<heading id="D08B81B7472BFFC521D0FCD361F8AF3B" bold="true" box="[215,645,801,825]" centered="true" fontSize="10" level="2" pageId="13" pageNumber="292" reason="2">
<taxonomicName id="4C7C4D58472BFFC521D0FCD361F8AF3B" ID-CoL="42JP5" authority="Lundblad, 1933" authorityName="Lundblad" authorityYear="1933" box="[215,645,801,825]" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="squamifer">
<emphasis id="B908EAC9472BFFC521D0FCD361F8AF3B" bold="true" box="[215,645,801,825]" pageId="13" pageNumber="292">
<emphasis id="B908EAC9472BFFC521D0FCD362BAAF3B" bold="true" box="[215,455,801,825]" italics="true" pageId="13" pageNumber="292">Metrocoris squamifer</emphasis>
Lundblad, 1933
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C3666550472BFFC52168FC9262C1A820" pageId="13" pageNumber="292" type="materials_examined">
<paragraph id="8BC336DB472BFFC52168FC9262C1A820" blockId="13.[111,750,864,1058]" pageId="13" pageNumber="292">
<emphasis id="B908EAC9472BFFC52168FC926229AF77" bold="true" box="[111,340,864,885]" italics="true" pageId="13" pageNumber="292">Material examined. </emphasis>
<materialsCitation id="3B143C86472BFFC52059FC92621AAFEA" collectionCode="HZL" pageId="13" pageNumber="292" specimenCode="HZL2" specimenCount="13" specimenCount-female="6" specimenCount-male="7">
Datai environment:
<specimenCount id="9D7AFD52472BFFC52328FC926108AF77" box="[559,629,864,885]" pageId="13" pageNumber="292" type="male">1 male</specimenCount>
(apterous), HP1; Datai rain forest:
<specimenCount id="9D7AFD52472BFFC5206AFC8F62C5AF90" box="[365,440,893,914]" pageId="13" pageNumber="292" type="male">1 male</specimenCount>
,
<specimenCount id="9D7AFD52472BFFC520C1FC8F615FAF90" box="[454,546,893,914]" pageId="13" pageNumber="292" type="female">1 female</specimenCount>
(apterous),
<specimenCount id="9D7AFD52472BFFC523A1FC8F6190AF90" box="[678,749,893,914]" pageId="13" pageNumber="292" type="male">1 male</specimenCount>
(macropterous), HE1; Telaga Tujuh Air Telaga:
<specimenCount id="9D7AFD52472BFFC5234EFC6B61F7AFAC" box="[585,650,921,942]" pageId="13" pageNumber="292" type="male">1 male</specimenCount>
,
<specimenCount id="9D7AFD52472BFFC52395FC6B6193AFAC" box="[658,750,921,942]" pageId="13" pageNumber="292" type="female">2 females</specimenCount>
(apterous), HZ1a. Temurun Waterfalls:
<specimenCount id="9D7AFD52472BFFC520F7FC446146AFC9" box="[496,571,950,971]" pageId="13" pageNumber="292" type="male">3 males</specimenCount>
(macropterous),
<specimenCount id="9D7AFD52472BFFC523E6FC4463CDAFEA" pageId="13" pageNumber="292" type="female">3 female</specimenCount>
(apterous),
<specimenCode id="DBDA9EA0472BFFC5202EFC21621AAFEA" box="[297,359,979,1000]" collectionCode="HZL" pageId="13" pageNumber="292">HZL2</specimenCode>
</materialsCitation>
.
<materialsCitation id="3B143C86472BFFC52075FC2163D0A807" collectionCode="HZL" pageId="13" pageNumber="292" specimenCode="HZL4" specimenCount="1" specimenCount-male="1">
Gunung Raya:
<specimenCount id="9D7AFD52472BFFC5230EFC216130AFEA" box="[521,589,979,1000]" pageId="13" pageNumber="292" type="male">1 male</specimenCount>
(macropterous),
<specimenCode id="DBDA9EA0472BFFC52168FC0263D0A807" box="[111,173,1008,1029]" collectionCode="HZL" pageId="13" pageNumber="292">HZL4</specimenCode>
</materialsCitation>
<materialsCitation id="3B143C86472BFFC521AAFC0262C5A820" collectionCode="HZL" pageId="13" pageNumber="292" specimenCode="HZL10" specimenCount="3" specimenCount-female="1" specimenCount-male="2">
a. Durian Perangin:
<specimenCount id="9D7AFD52472BFFC52069FC0262CFA807" box="[366,434,1008,1029]" pageId="13" pageNumber="292" type="male">1 male</specimenCount>
,
<specimenCount id="9D7AFD52472BFFC520BBFC02616DA807" box="[444,528,1008,1029]" pageId="13" pageNumber="292" type="female">1 female</specimenCount>
(apterous), L5HZ. Air Tejun:
<specimenCount id="9D7AFD52472BFFC521B2FBFF6385A820" box="[181,248,1037,1058]" pageId="13" pageNumber="292" type="male">1 male</specimenCount>
(apterous),
<specimenCode id="DBDA9EA0472BFFC52068FBFF62C5A820" box="[367,440,1037,1058]" collectionCode="HZL" pageId="13" pageNumber="292">HZL10</specimenCode>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C3666550472BFFC52168FBB96714A897" pageId="13" pageNumber="292" type="discussion">
<paragraph id="8BC336DB472BFFC52168FBB96714A897" blockId="13.[111,750,1099,1218]" lastBlockId="13.[810,1450,190,1173]" pageId="13" pageNumber="292">
<emphasis id="B908EAC9472BFFC52168FBB96390A861" bold="true" box="[111,237,1099,1123]" italics="true" pageId="13" pageNumber="292">Remarks. </emphasis>
Identification of the species of the
<taxonomicName id="4C7C4D58472BFFC5237FFBB96275A880" authorityName="Distant" authorityYear="1903" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="nigrofasciatus">
<emphasis id="B908EAC9472BFFC5237FFBB96275A880" italics="true" pageId="13" pageNumber="292">Metrocoris nigrofasciatus</emphasis>
</taxonomicName>
group is difficult. Identity of
<taxonomicName id="4C7C4D58472BFFC5235CFB996190A880" authorityName="Lundblad" authorityYear="1933" box="[603,749,1131,1154]" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="squamifer">
<emphasis id="B908EAC9472BFFC5235CFB996190A880" box="[603,749,1131,1154]" italics="true" pageId="13" pageNumber="292">M. squamifer</emphasis>
</taxonomicName>
specimens from Langkawi has been confirmed by comparison with Malaysian specimens in NHMW identified by Dr. Ping- ping Chen. Using the key characters in Chen &amp; Nieser (1993), male specimens might be identified as
<taxonomicName id="4C7C4D58472BFFC525E1FF2D60C7AD17" authority="Distant, 1903" authorityName="Distant" authorityYear="1903" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="nigrofasciatus">
<emphasis id="B908EAC9472BFFC525E1FF2D66D4ACF4" box="[1254,1449,223,246]" italics="true" pageId="13" pageNumber="292">M. nigrofasciatus</emphasis>
Distant, 1903
</taxonomicName>
due to the fact that the subapical tooth on the fore femur is of variable shape and often reduced in small apterous and in all macropterous specimens. Distinction of these two species should be based on genitalia, especially on the shape of the paramere. The paramere of
<taxonomicName id="4C7C4D58472BFFC5241CFE8D66D4AD94" authorityName="Lundblad" authorityYear="1933" box="[1307,1449,383,406]" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="squamifer">
<emphasis id="B908EAC9472BFFC5241CFE8D66D4AD94" box="[1307,1449,383,406]" italics="true" pageId="13" pageNumber="292">M. squamifer</emphasis>
</taxonomicName>
has a distinct ventral angle although rarely so strongly pronounced as in the figure by Chen &amp; Nieser (1993) but the parameres of
<taxonomicName id="4C7C4D58472BFFC522EEFE2D67DAADF4" authorityName="Distant" authorityYear="1903" box="[1001,1191,479,502]" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="nigrofasciatus">
<emphasis id="B908EAC9472BFFC522EEFE2D67DAADF4" box="[1001,1191,479,502]" italics="true" pageId="13" pageNumber="292">M. nigrofasciatus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C7C4D58472BFFC525D8FE2D66D5ADF4" authorityName="Chen &amp; Nieser" authorityYear="1993" box="[1247,1448,479,502]" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="nigrofascioides">
<emphasis id="B908EAC9472BFFC525D8FE2D66D5ADF4" box="[1247,1448,479,502]" italics="true" pageId="13" pageNumber="292">M. nigrofascioides</emphasis>
</taxonomicName>
are evenly rounded. Although sorting males of
<taxonomicName id="4C7C4D58472BFFC5241BFE0D66D4AE14" authorityName="Lundblad" authorityYear="1933" box="[1308,1449,511,534]" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="squamifer">
<emphasis id="B908EAC9472BFFC5241BFE0D66D4AE14" box="[1308,1449,511,534]" italics="true" pageId="13" pageNumber="292">M. squamifer</emphasis>
</taxonomicName>
and
<taxonomicName id="4C7C4D58472BFFC5225DFDED675EAE34" authorityName="Chen &amp; Nieser" authorityYear="1993" box="[858,1059,543,566]" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="nigrofascioides">
<emphasis id="B908EAC9472BFFC5225DFDED675EAE34" box="[858,1059,543,566]" italics="true" pageId="13" pageNumber="292">M. nigrofascioides</emphasis>
</taxonomicName>
is easy by the absence or presence of a notch on the fore femur, females can be distinguished only by colour,
<taxonomicName id="4C7C4D58472BFFC522D1FDAD671BAE74" authorityName="Lundblad" authorityYear="1933" box="[982,1126,607,630]" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="squamifer">
<emphasis id="B908EAC9472BFFC522D1FDAD671BAE74" box="[982,1126,607,630]" italics="true" pageId="13" pageNumber="292">M. squamifer</emphasis>
</taxonomicName>
being on average lighter than
<taxonomicName id="4C7C4D58472BFFC5222DFD8D6087AE94" authorityName="Chen &amp; Nieser" authorityYear="1993" box="[810,1018,639,662]" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="nigrofascioides">
<emphasis id="B908EAC9472BFFC5222DFD8D6087AE94" box="[810,1018,639,662]" italics="true" pageId="13" pageNumber="292">M. nigrofascioides</emphasis>
</taxonomicName>
. The key character for females of
<taxonomicName id="4C7C4D58472BFFC5248BFD8D60E4AEB4" authorityName="Lundblad" authorityYear="1933" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="squamifer">
<emphasis id="B908EAC9472BFFC5248BFD8D60E4AEB4" italics="true" pageId="13" pageNumber="292">M. squamifer</emphasis>
</taxonomicName>
given in Chen &amp; Nieser (1993) is the colour pattern of tergite 8, but it could not conclusively separate the Langkawi specimens because apterous females from Langkawi have a black base of tergite 8. However, if tergite 8 is partly retracted into tergite 7, in some
<taxonomicName id="4C7C4D58472BFFC52412FCED66D4AF34" authorityName="Lundblad" authorityYear="1933" box="[1301,1449,799,822]" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="squamifer">
<emphasis id="B908EAC9472BFFC52412FCED66D4AF34" box="[1301,1449,799,822]" italics="true" pageId="13" pageNumber="292">M. squamifer</emphasis>
</taxonomicName>
females a colour pattern appears which corresponds with the key character. Usually the yellow colour on tergite 8 is reduced to a small circular spot in
<taxonomicName id="4C7C4D58472BFFC525AAFC8D660BAF94" authorityName="Chen &amp; Nieser" authorityYear="1993" box="[1197,1398,895,918]" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="nigrofascioides">
<emphasis id="B908EAC9472BFFC525AAFC8D660BAF94" box="[1197,1398,895,918]" italics="true" pageId="13" pageNumber="292">M. nigrofascioides</emphasis>
</taxonomicName>
, but more extended in
<taxonomicName id="4C7C4D58472BFFC522E8FC6D6702AFB4" authorityName="Lundblad" authorityYear="1933" box="[1007,1151,927,950]" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="squamifer">
<emphasis id="B908EAC9472BFFC522E8FC6D6702AFB4" box="[1007,1151,927,950]" italics="true" pageId="13" pageNumber="292">M. squamifer</emphasis>
</taxonomicName>
. For separation of females, authors used the extension of the mesopleural stripe (reaching further posteriad in
<taxonomicName id="4C7C4D58472BFFC5256CFC2D664EAFF4" authorityName="Chen &amp; Nieser" authorityYear="1993" box="[1131,1331,991,1014]" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="nigrofascioides">
<emphasis id="B908EAC9472BFFC5256CFC2D664EAFF4" box="[1131,1331,991,1014]" italics="true" pageId="13" pageNumber="292">M. nigrofascioides</emphasis>
</taxonomicName>
than in
<taxonomicName id="4C7C4D58472BFFC5248BFC2D60E8A814" authorityName="Lundblad" authorityYear="1933" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="squamifer">
<emphasis id="B908EAC9472BFFC5248BFC2D60E8A814" italics="true" pageId="13" pageNumber="292">M. squamifer</emphasis>
</taxonomicName>
), and the result agreed well with the identification of males from the same samples. Macropterous females are generally lighter than apterous females of the same species, and this morph of
<taxonomicName id="4C7C4D58472BFFC522FCFBAD67BBA874" authorityName="Chen &amp; Nieser" authorityYear="1993" box="[1019,1222,1119,1142]" class="Insecta" family="Gerridae" genus="Metrocoris" kingdom="Animalia" order="Hemiptera" pageId="13" pageNumber="292" phylum="Arthropoda" rank="species" species="nigrofascioides">
<emphasis id="B908EAC9472BFFC522FCFBAD67BBA874" box="[1019,1222,1119,1142]" italics="true" pageId="13" pageNumber="292">M. nigrofascioides</emphasis>
</taxonomicName>
was assigned to the males from the same sample.
</paragraph>
</subSubSection>
<caption id="DF036653472BFFC52168F7FF63B3A43D" ID-DOI="http://doi.org/10.5281/zenodo.5342044" ID-Zenodo-Dep="5342044" httpUri="https://zenodo.org/record/5342044/files/figure.png" pageId="13" pageNumber="292" startId="13.[111,146,2061,2082]" targetBox="[109,1443,1292,2035]" targetPageId="13">
<paragraph id="8BC336DB472BFFC52168F7FF63B3A43D" blockId="13.[111,1450,2061,2111]" pageId="13" pageNumber="292">Fig. 24. Comparison of species richness of selected families of Nepomorpha and Gerromorpha of Malaysian islands with those of mainland Malaysia.</paragraph>
</caption>
<subSubSection id="C36665504728FFC62182FF4C6293ACF7" pageId="14" pageNumber="293" type="distribution">
<paragraph id="8BC336DB4728FFC62182FF4C6293ACF7" blockId="14.[133,772,190,245]" pageId="14" pageNumber="293">
<emphasis id="B908EAC94728FFC62182FF4C6259ACD4" bold="true" box="[133,292,190,214]" italics="true" pageId="14" pageNumber="293">Distribution. </emphasis>
Southern
<collectingCountry id="F36B764B4728FFC62088FF4C628CACD7" box="[399,497,190,213]" name="Thailand" pageId="14" pageNumber="293">Thailand</collectingCountry>
, West
<collectingCountry id="F36B764B4728FFC62330FF4C61E6ACD7" box="[567,667,190,213]" name="Malaysia" pageId="14" pageNumber="293">Malaysia</collectingCountry>
, Sumatra, and Java (Chen &amp; Nieser, 1993).
</paragraph>
</subSubSection>
</treatment>
</document>