<documentid="15125BB3A1F91F0EAF78BC302FFB081F"ID-DOI="10.5281/zenodo.13244881"ID-ISSN="2345-7600"ID-Zenodo-Dep="13244881"IM.bibliography_approvedBy="felipe"IM.illustrations_approvedBy="felipe"IM.materialsCitations_approvedBy="felipe"IM.metadata_approvedBy="felipe"IM.taxonomicNames_approvedBy="felipe"IM.treatmentCitations_approvedBy="felipe"IM.treatments_approvedBy="felipe"checkinTime="1722970250919"checkinUser="felipe"docAuthor="Hendrich, Lars & Balke, Michael"docDate="2004"docId="03D687B7A732FFB839CDF9B2BB4549BD"docLanguage="en"docName="RafflesBZool.52.1.97-145.pdf"docOrigin="Raffles Bulletin of Zoology 52 (1)"docStyle="DocumentStyle:19380AF0FBA5B2F218DD253A34ABE57F.5:RafflesBZool.2003-2005.journal_article"docStyleId="19380AF0FBA5B2F218DD253A34ABE57F"docStyleName="RafflesBZool.2003-2005.journal_article"docStyleVersion="5"docTitle="Chasmogenus abnormalis"docType="treatment"docVersion="2"lastPageNumber="126"masterDocId="FFEFFFCFA72FFFA53903FF87BF1E4871"masterDocTitle="Aquatic Coleoptera Of Singapore: Species Richness, Ecology And Conservation #"masterLastPageNumber="145"masterPageNumber="97"pageNumber="126"updateTime="1722975545229"updateUser="ExternalLinkService"zenodo-license-document="CC-BY-4.0">
<bibRefCitationid="EFEE4B50A732FFB838FCF9B2BD924E3C"author="Sharp, D"box="[511,652,1589,1613]"pageId="29"pageNumber="126"pagination="339 - 359"refId="ref41138"refString="Sharp, D., 1890. On some aquatic Coleoptera from Ceylon. Transactions of the Entomological Society of London, 1890: 339 - 359."type="journal article"year="1890">Sharp, 1890</bibRefCitation>
<bibRefCitationid="EFEE4B50A732FFB8384FF9F5BEE84EF6"author="Sharp, D"box="[332,502,1650,1671]"pageId="29"pageNumber="126"pagination="339 - 359"refId="ref41138"refString="Sharp, D., 1890. On some aquatic Coleoptera from Ceylon. Transactions of the Entomological Society of London, 1890: 339 - 359."type="journal article"year="1890">Sharp, 1890: 351</bibRefCitation>
<bibRefCitationid="EFEE4B50A732FFB83862F908BEC64ED5"author="Sharp, D"box="[353,472,1679,1700]"pageId="29"pageNumber="126"pagination="339 - 359"refId="ref41138"refString="Sharp, D., 1890. On some aquatic Coleoptera from Ceylon. Transactions of the Entomological Society of London, 1890: 339 - 359."type="journal article"year="1890">Sharp, 1890</bibRefCitation>
<bibRefCitationid="EFEE4B50A732FFB838F2F908BDAE4ED5"author="Fernando, C"box="[497,688,1679,1700]"pageId="29"pageNumber="126"pagination="80 - 90"refId="ref36829"refString="Fernando, C. H., 1961. Notes on Aquatic Insects caught at Light in Malaya with a Discussion of their Distribution and Dispersal. Bulletin of the National Museum, Singapore, 32 (1963): 80 - 90."type="journal article"year="1961">Fernando, 1961: 23</bibRefCitation>
<bibRefCitationid="EFEE4B50A732FFB83BBAF908BFAC4EB0"author="Fernando, C"pageId="29"pageNumber="126"pagination="19 - 31"refId="ref36873"refString="Fernando, C. H., 1964. Notes on aquatic insects colonizing an isolated pond in Mawai, Johore. Bulletin of the National Museum, Singapore, 30: 19 - 31."type="journal article"year="1964">1964: 87</bibRefCitation>
<bibRefCitationid="EFEE4B50A732FFB8388EF94FBD1D4EAC"author="Sharp, D"box="[397,515,1736,1757]"pageId="29"pageNumber="126"pagination="339 - 359"refId="ref41138"refString="Sharp, D., 1890. On some aquatic Coleoptera from Ceylon. Transactions of the Entomological Society of London, 1890: 339 - 359."type="journal article"year="1890">Sharp,1890</bibRefCitation>
<bibRefCitationid="EFEE4B50A732FFB83994F962BE4C4E8B"author="Hansen, M"box="[151,338,1765,1786]"pageId="29"pageNumber="126"refId="ref37518"refString="Hansen, M., 1999. Hydrophiloidea (s. str.) (Coleoptera). In: World Catalogue of Insects Volume 2. Apollo Books, Stenstrup, Denmark, 416 pp."type="book"year="1999">Hansen, 1999: 174</bibRefCitation>
<collectionCodeid="ED6EAE64A732FFB83831F8DFBE784F1C"box="[306,358,1880,1901]"country="Singapore"httpUri="http://grbio.org/cool/16z4-1tbx"name="Zoological Reference Collection, National University of Singapore"pageId="29"pageNumber="126">ZRC</collectionCode>
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)
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;
<materialsCitationid="3B173CFCA732FFB83B21F8F2BE004FB5"collectingDate="1997-04-22"collectionCode="ZRC"collectorName="H. K. Lua"location="Lower Peirce Reservoir"pageId="29"pageNumber="126"specimenCount="2">
<collectorNameid="268A5377A732FFB83972F828BFCB4FB5"box="[113,213,1967,1988]"pageId="29"pageNumber="126">H. K. Lua</collectorName>
(
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Kalimantan], Philippines [Luzon], Taiwan and Japan (
<bibRefCitationid="EFEE4B50A732FFB83A37FF58BCC64887"author="Hebauer, F"box="[820,984,223,246]"pageId="29"pageNumber="126"pagination="61 - 92"refId="ref37555"refString="Hebauer, F., 1992. The species of the Genus Chasmogenus Sharp, 1882 (Coleoptera, Hydrophilidae). Acta Coleopterologica, 8 (2): 61 - 92."type="journal article"year="1992">Hebauer, 1992</bibRefCitation>
;
<bibRefCitationid="EFEE4B50A732FFB83AE7FF58BB634887"author="Hansen, M"box="[996,1149,223,246]"pageId="29"pageNumber="126"refId="ref37518"refString="Hansen, M., 1999. Hydrophiloidea (s. str.) (Coleoptera). In: World Catalogue of Insects Volume 2. Apollo Books, Stenstrup, Denmark, 416 pp."type="book"year="1999">Hansen, 1999</bibRefCitation>
Some of our specimens were collected under lighted conditions. Like other species of the genus (Hendrich pers. observ.) it is most probably a lentic species, living in very shallow water at the edge of semi-shaded forest pools and puddles. The species has already been recorded from a light trap (
<bibRefCitationid="EFEE4B50A732FFB83A9CFE32BB5149BD"author="Fernando, C"box="[927,1103,437,460]"pageId="29"pageNumber="126"pagination="80 - 90"refId="ref36829"refString="Fernando, C. H., 1961. Notes on Aquatic Insects caught at Light in Malaya with a Discussion of their Distribution and Dispersal. Bulletin of the National Museum, Singapore, 32 (1963): 80 - 90."type="journal article"year="1961">Fernando, 1961</bibRefCitation>