<document ID-CLB-Dataset="177994" ID-DOI="http://dx.doi.org/10.3897/zookeys.1127.85737" ID-GBIF-Dataset="5b2d83f7-a01d-48fb-9c72-7018ea840f69" ID-PMC="PMC9881503" ID-Pensoft-Pub="1313-2970-1127-1" ID-Pensoft-UUID="D72971CE12A85992AFFD69F186474E85" ID-PubMed="36760353" ID-ZooBank="4759AFC32EFD47A7853F645FB32829BA" ModsDocID="1313-2970-1127-1" checkinTime="1667414686597" checkinUser="pensoft" docAuthor="Ramahandrison, Andriamirado Tahina, Rakouth, Bakolimalala &amp; Manuel, Michael" docDate="2022" docId="FFF287BE10D75137BFABE5FC147FA128" docLanguage="en" docName="ZooKeys 1127: 1-60" docOrigin="ZooKeys 1127" docPubDate="2022-11-02" docSource="http://dx.doi.org/10.3897/zookeys.1127.85737" docTitle="Rhantaticus congestus" docType="treatment" docVersion="5" id="D72971CE12A85992AFFD69F186474E85" lastPageNumber="1" masterDocId="D72971CE12A85992AFFD69F186474E85" masterDocTitle="The aquatic Adephaga of the Makay, central-western Madagascar, with description of two new diving beetle species (Coleoptera, Gyrinidae, Haliplidae, Noteridae, Dytiscidae)" masterLastPageNumber="60" masterPageNumber="1" pageNumber="1" updateTime="1732644881092" updateUser="ExternalLinkService">
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<mods:title id="9A89CE5AA6C330657581B0437647130F">The aquatic Adephaga of the Makay, central-western Madagascar, with description of two new diving beetle species (Coleoptera, Gyrinidae, Haliplidae, Noteridae, Dytiscidae)</mods:title>
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<mods:namePart id="EBD7E362212565785BC1BD196493ABD5">Ramahandrison, Andriamirado Tahina</mods:namePart>
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<mods:affiliation id="1A6030F9FF5F115F9D6FC82B19F1499C">Departement de Biologie et Ecologie Vegetales, Faculte des Sciences, BP 906, Universite d'Antananarivo, Antananarivo, Madagascar &amp; Sorbonne Universite, Institut de Systematique, Evolution, Biodiversite (UMR 7205), MNHN SU CNRS EPHE UA, Case 05, 7 quai St Bernard, Paris, France</mods:affiliation>
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<mods:namePart id="6D67EB488F4FBE99626335D189CAA09B">Rakouth, Bakolimalala</mods:namePart>
<mods:nameIdentifier id="A11EA57A3F1D46BCA483AC244F3B32CD" type="ORCID">https://orcid.org/0000-0001-5710-2006</mods:nameIdentifier>
<mods:affiliation id="4B5C41B1201763447664EC5D63E78DBE">Departement de Biologie et Ecologie Vegetales, Faculte des Sciences, BP 906, Universite d'Antananarivo, Antananarivo, Madagascar</mods:affiliation>
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<mods:name id="52E3B895E8E0B23B0AA733FEC0E785D4" type="personal">
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<mods:namePart id="6544DEA472872683A22CFC20B84AD93D">Manuel, Michael</mods:namePart>
<mods:affiliation id="9A654A1B9DE0550E014871DFBB0A164C">Sorbonne Universite, Institut de Systematique, Evolution, Biodiversite (UMR 7205), MNHN SU CNRS EPHE UA, Case 05, 7 quai St Bernard, Paris, France</mods:affiliation>
<mods:nameIdentifier id="547540EE136798ED167604A99873F056" type="email">manuel1570@yahoo.fr</mods:nameIdentifier>
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<mods:date id="96E7C897E8C7B24D7CC9A93E385222DF">2022</mods:date>
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<treatment id="FFF287BE10D75137BFABE5FC147FA128" ID-GBIF-Taxon="203904399" LSID="urn:lsid:plazi:treatment:FFF287BE10D75137BFABE5FC147FA128" httpUri="http://treatment.plazi.org/id/FFF287BE10D75137BFABE5FC147FA128" lastPageNumber="1" pageId="0" pageNumber="1" scope_family="Gyrinidae" scope_order="Coleoptera">
<subSubSection id="42869ED4C849DA221DCD1FB7D0C0B158" pageId="0" pageNumber="1" type="nomenclature">
<paragraph id="C38EFAE98DE0981839FC6DDB1E3F18B2" pageId="0" pageNumber="1">
<taxonomicName id="101BC07DE9C07A35376C85BB8E343C3D" ID-CoL="4S3L7" LSID="FFF287BE-10D7-5137-BFAB-E5FC147FA128" authority="(Klug, 1833)" baseAuthorityName="Klug" baseAuthorityYear="1833" class="Insecta" family="Dytiscidae" genus="Rhantaticus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rhantaticus congestus" order="Coleoptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="congestus">Rhantaticus congestus (Klug, 1833)</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="BCE5E6948CB4D3E30465A738C4F2435F" pageId="0" pageNumber="1" type="reference_group">
<paragraph id="6368D59BA18BBC66F50593DF4835F32A" pageId="0" pageNumber="1">
<taxonomicName id="F0D513DDB0994B87DA42DC423330CF38" class="Insecta" family="Dytiscidae" genus="Rhantaticus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rhantaticus rochasi" order="Coleoptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="rochasi">Rhantaticus rochasi</taxonomicName>
= 
<taxonomicName id="57317588F4EC988017FC3C6F6556C724" class="Insecta" family="Dytiscidae" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="R. rochasi" order="Coleoptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="rochasi">R. rochasi</taxonomicName>
(Perroud &amp; Montrouzier, 1864); 
<taxonomicName id="A59B96B80616BBA49F9DB5D8A63D1A91" class="Insecta" family="Dytiscidae" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="R. signatipennis" order="Coleoptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="signatipennis">R. signatipennis</taxonomicName>
(Laporte, 1835).
</paragraph>
</subSubSection>
<subSubSection id="96D22FFB629F5880CED2FE52EE0AA947" pageId="0" pageNumber="1" type="type locality">
<paragraph id="6BC6D373076AA564FB44B42E87C6E079" pageId="0" pageNumber="1">Type locality.</paragraph>
<paragraph id="C52450D6F9851A39C339F0F1A325A7EA" pageId="0" pageNumber="1">Madagascar.</paragraph>
</subSubSection>
<subSubSection id="33E57F4020803A7FDC47F5C3D0519482" pageId="0" pageNumber="1" type="materials_examined">
<paragraph id="9DBCB902F08405B1DB0474A474E965FC" pageId="0" pageNumber="1">Material examined.</paragraph>
<paragraph id="C20299D3717869708182E81B1F889205" pageId="0" pageNumber="1">
<specimenCount id="61F8DE59B30F08737030D69357957801" type="male">1 ♂</specimenCount>
: MAK-2; 
<specimenCount id="90043455DACB17145A0356373A4004CD" type="female">2 ♀♀</specimenCount>
: MAK-19; 
<specimenCount id="7BED0FCA192462F7B6D7243FE9D09A6B" type="male">1 ♂</specimenCount>
: MAK-41.
</paragraph>
</subSubSection>
<subSubSection id="BDBF2BD9DCE67E4BDBDF2FCD102A9407" pageId="0" pageNumber="1" type="distribution">
<paragraph id="834C6AE12FDAF708A58D34DD95D6BE21" pageId="0" pageNumber="1">Distribution.</paragraph>
<paragraph id="884FD660A65D7DA86425FE63BE3B8F2A" pageId="0" pageNumber="1">
From sub-Saharan Africa to Australia through tropical Asia and the Oriental region (
<bibRefCitation id="C3188418765634849EFDAB64F83F80B2" author="Guignot, F" journalOrPublisher="Le Naturaliste Malgache" pageId="0" pageNumber="1" refId="B40" refString="Guignot, F, 1959-1961. Revision des Hydrocanthares d'Afrique (ColeopteraDytiscoidea), parts 1-3. Annales du Musee Royal du Congo Belge Tervuren (8) Sciences Zoologiques 70, 78, 90: 1-995." title="Revision des Hydrocanthares d'Afrique (ColeopteraDytiscoidea), parts 1 - 3. Annales du Musee Royal du Congo Belge Tervuren (8) Sciences Zoologiques 70, 78, 90: 1 - 995." year="1959 - 1961">Guignot 1959-1961</bibRefCitation>
; 
<bibRefCitation id="6EA2C67947F035299CCF3D16B6A0D75E" author="Bertrand, H" journalOrPublisher="Cahiers ORSTOM, serie hydrobiologie" pageId="0" pageNumber="1" pagination="241 - 249" refId="B8" refString="Bertrand, H, Legros, C, 1971. Hydrocanthares (excl. Gyrinidae) recueillis a Madagascar (mission Bertrand, 1960). Cahiers ORSTOM, serie hydrobiologie 5 (3-4): 241 - 249" title="Hydrocanthares (excl. Gyrinidae) recueillis a Madagascar (mission Bertrand, 1960)." volume="5" year="1971">Bertrand and Legros 1971</bibRefCitation>
; 
<bibRefCitation id="F2AE0318D9BAB1EE1B22F954D42E3F19" DOI="https://doi.org/10.1071/AJZS057" author="Watts, CHS" journalOrPublisher="Australian Journal of Zoology, Supplementary Series" pageId="0" pageNumber="1" pagination="1 - 166" refId="B59" refString="Watts, CHS, 1978. A revision of the Australian Dytiscidae (Coleoptera). Australian Journal of Zoology, Supplementary Series 57: 1 - 166, DOI: https://doi.org/10.1071/AJZS057" title="A revision of the Australian Dytiscidae (Coleoptera)." url="https://doi.org/10.1071/AJZS057" volume="57" year="1978">Watts 1978</bibRefCitation>
; 
<bibRefCitation id="BBCBC6DEF73C525F854B7293773EE3F2" author="Bameul, F" journalOrPublisher="Nouvelle Revue d'Entomologie" pageId="0" pageNumber="1" pagination="87 - 103" refId="B2" refString="Bameul, F, 1984. Haliplidae, Noteridae, Dytiscidae et Gyrinidae captures dans les iles Mascareignes et a Madagascar par Yves Gomy (Coleoptera, Hydradephaga). Nouvelle Revue d'Entomologie 1 (1): 87 - 103" title="Haliplidae, Noteridae, Dytiscidae et Gyrinidae captures dans les iles Mascareignes et a Madagascar par Yves Gomy (Coleoptera, Hydradephaga)." volume="1" year="1984">Bameul 1984</bibRefCitation>
; 
<bibRefCitation id="C5407EBA68AC7DE84B31EFC2764C47A9" author="Hendrich, L" journalOrPublisher="Princeton University Press, Princeton" pageId="0" pageNumber="1" refId="B43" refString="Hendrich, L, Balke, M, Wewalka, G, 2010. Dytiscidae: Annotated checklist of Bidessini, Hydrovatini, Hyphydrini, Laccophilinae and Dytiscinae (Coleoptera), [171-194]. In: Jaech MA, Balke M (Eds) Water beetles of New Caledonia (part 1). Monographs on Coleoptera 3." title="Dytiscidae: Annotated checklist of Bidessini, Hydrovatini, Hyphydrini, Laccophilinae and Dytiscinae (Coleoptera), [171 - 194]. In: Jaech MA, Balke M (Eds) Water beetles of New Caledonia (part 1). Monographs on Coleoptera 3." year="2010">Hendrich et al. 2010</bibRefCitation>
). In Madagascar, widespread.
</paragraph>
</subSubSection>
<subSubSection id="84CF3FDFC248CC1C4C3D57153EA2E9B5" pageId="0" pageNumber="1" type="habitat">
<paragraph id="71001CB24F2737F2E4C5A1EE7D53C2D5" pageId="0" pageNumber="1">Habitat in study area</paragraph>
<paragraph id="2036E597397D58A0D7D8E07F6F627262" pageId="0" pageNumber="1">
<emphasis id="A65E8C7E96C37A1D96D4EA9811EB7F0A" bold="true" pageId="0" pageNumber="1">
(Fig. 
<figureCitation id="FFAC8D47093BFF4859E3546E6B8F3AA6" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Representative habitats of aquatic Adephaga in Makay. Sites located in the peripheral area: A large shallow puddle on the sandy bank of the Mangoky River in Beroroa (MAK- 1 C), habitat of Pachynectes costulifer, Yola costipennis B, C shallow, slowly flowing stream in semi-open area, with sandy bottom and high density of green algae (MAK- 2), habitat of Bidessus longistriga, B. perexiguus, Canthydrus concolor, C. flavosignatus, C. guttula, Clypeodytes concivis, C. sp. Ma 3, Cybister cinctus, Hydaticus servillianus, Hydroglyphus geminodes, Hydrovatus acuminatus, H. capnius, H. cruentatus, H. dentatus, H. otiosus, H. parvulus, H. pictulus, H. testudinarius, H. sp. Ma 7, Laccophilus addendus, L. flaveolus, L. pallescens, L. posticus, L. rivulosus, L. seyrigi, Methles sp. Ma 5, Neohydrocoptus seriatus, Pachynectes sp. Ma 1, Philaccolus elongatus, Pseuduvarus sp. Ma 1, Rhantaticus congestus, Uvarus rivulorum. Sites located in inner Makay: D puddle (on the right) on the sandy bank of the Andranomanintsy River (left half of the picture) (MAK- 3), habitat of Copelatus ruficapillus, Hydrovatus acuminatus, Hyphydrus separandus, Laccophilus makay, L. posticus, Madaglymbus fairmairei, Pachynectes sp. Ma 1 E spring on the bank of the Andranomanintsy River (MAK- 4), habitat of Copelatus ruficapillus, Hydroglyphus capitatus, H. geminodes, Hyphydrus separandus, Laccophilus makay, L. posticus, Pachynectes sp. Ma 1 F deep pond above natural dam in the bottom of a canyon (MAK- 5 A), habitat of Africophilus nesiotes, Hyphydrus separandus, L. addendus, Laccophilus insularum, L. makay, Neptosternus oblongus, Pachynectes sp. Ma 1, P. sp. Ma 4 G edge of small shallow stream, in the bottom of a deep strongly embanked canyon, with orange deposit of iron bacteria (MAK- 6), habitat of Copelatus acamas and Laccophilus makay H vertical rock wall with water film and crust of bryophytes and algae, in the bottom of a deep canyon (MAK- 9), habitat of Africophilus bartolozzii I large quiet and shaded pool in forest, along streamlet, with masses of tree roots and bottom of sand, gravel and stones (MAK- 8), habitat of Africophilus bartolozzii, A. nesiotes, Copelatus ruficapillus, Hydaticus sobrinus, Hyphydrus separandus, Laccophilus makay, Pachynectes sp. Ma 1 J (context) K (close-up) Puddle with orange masses of iron bacteria, in stream bed, in the bottom of a deep strongly embanked canyon (MAK- 7), habitat of Copelatus acamas, C. ruficapillus, Laccophilus makay L (context) M (close-up) Small pool with clay-sandy bottom and plant debris, in a small canyon, in gallery forest (MAK- 10), habitat of Copelatus ruficapillus, Hyphydrus separandus, Laccophilus makay, Madaglymbus fairmairei N small shaded pool, with orange masses of iron bacteria, in gallery forest against the wall of a canyon (MAK- 14 A), habitat of Africophilus nesiotes, Copelatus acamas, Hydaticus dorsiger, Hyphydrus separandus, Laccophilus makay, Pachynectes sp. Ma 1, P. sp. Ma 4 O small muddy pond, with sparse vegetation, in open area on the sandy banks of the Menapanda River (MAK- 11 A), habitat of Canthydrus guttula, Copelatus polystrigus, Hydaticus dorsiger, Laccophilus addendus, L. posticus, Neohydrocoptus seriatus P puddle with turbid water and without vegetation, in open area on the sandy banks of the Menapanda River (MAK- 11 - B), habitat of Copelatus polystrigus, C. ruficapillus, Eretes griseus, Hydaticus dorsiger, H. exclamationis, Hyphydrus separandus, Laccophilus addendus, L. posticus, Madaglymbus fairmairei." figureDoi="10.3897/zookeys.1127.85737.figure2" httpUri="https://binary.pensoft.net/fig/764728" pageId="0" pageNumber="1">2B, C</figureCitation>
).
</emphasis>
This species was found at three sampling sites in the periphery of the Makay massif: a large puddle partially sheltered by trees, with water slowly flowing and with abundant rice straw debris, on a dirty road between two rice fields; a small puddle in open situation on the sandy bank of a river, with 
<taxonomicName id="975F21CD8A92547618976B2FA73F607B" class="Liliopsida" family="Cyperaceae" genus="Azolla" kingdom="Plantae" lsidName="Azolla" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="genus">
<emphasis id="0E68E4B4BCB45F3DD3FC24DC0C8CAC3C" italics="true" pageId="0" pageNumber="1">Azolla</emphasis>
</taxonomicName>
aquatic ferns (eutrophication indicator); and a shallow isolated stream characterised by very weak water flow, sandy bottom, sparse tufts of small 
<taxonomicName id="C97039343597DAF9852692AE4531821E" class="Liliopsida" family="Cyperaceae" kingdom="Plantae" lsidName="" order="Poales" pageId="0" pageNumber="1" phylum="Tracheophyta" rank="family">Cyperaceae</taxonomicName>
and strong presence of filamentous green algae. These habitats were all situated in open environments and more or less affected by anthropogenic disturbance.
</paragraph>
</subSubSection>
<subSubSection id="1CDC6BCA03D9229505DE69E7C0820241" pageId="0" pageNumber="1" type="tribe eretini">
<paragraph id="6C0D07AD02FD8A0692AA74F8CA263F10" pageId="0" pageNumber="1">
Tribe 
<taxonomicName id="7EB91DF01F748D2A9333E8B2EE7B3BF5" authorityName="Crotch" authorityYear="1873" lsidName="" pageId="0" pageNumber="1" rank="tribe" tribe="Eretini">Eretini</taxonomicName>
</paragraph>
</subSubSection>
</treatment>
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