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<document id="3CCB7B8095297F625581A03DBB2C9BD2" ID-DOI="10.5281/zenodo.5303133" ID-ISSN="0374-1036" ID-Zenodo-Dep="5303133" ID-ZooBank="8CDA7151-FBCD-484B-AF8D-C31EB76E9C67" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630103901813" checkinUser="marcus" docAuthor="Minoshima, Yûsuke N. &amp; Hayashi, Masakazu" docDate="2015" docId="1237F952FFE126396BD7FEEBFD8BFAD4" docLanguage="en" docName="ActaEntMusNatPra.2015.55.1.47-83.pdf" docOrigin="Acta Entomologica Musei Nationalis Pragae 55 (1)" docStyle="DocumentStyle:E9BE312A6EDF9B84FC5211AAA80D80BF.10:ActaEntMusNatPra.2005-2016.journal_article" docStyleId="E9BE312A6EDF9B84FC5211AAA80D80BF" docStyleName="ActaEntMusNatPra.2005-2016.journal_article" docStyleVersion="10" docTitle="Berosus Leach 1817" docType="treatment" docVersion="3" lastPageNumber="52" masterDocId="EE0E812AFFE4263C6A6AFFFFFFC6FFA1" masterDocTitle="Description of the larval stages of the berosine genera Berosus and Regimbartia based on the Japanese species B. japonicus and R. attenuata (Coleoptera: Hydrophilidae)" masterLastPageNumber="83" masterPageNumber="47" pageNumber="52" updateTime="1699153287842" updateUser="plazi" zenodo-license-document="CC-BY-4.0">
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<mods:title id="3557ADB3B3DCFF47D199093D3564174B">Description of the larval stages of the berosine genera Berosus and Regimbartia based on the Japanese species B. japonicus and R. attenuata (Coleoptera: Hydrophilidae)</mods:title>
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<mods:namePart id="3A448C6826AF75D667524932F59B1F21">Minoshima, Yûsuke N.</mods:namePart>
<mods:affiliation id="B5B8050036B71E654FBC09C104F9AB93">Natural History Division, Kitakyushu Museum of Natural History and Human History, Higashida 2 - 4 - 1, Yahatahigashi-ku, Kitakyushu-shi, Fukuoka, 805 - 0071 Japan; e-mail: minoshima @ kmnh. jp</mods:affiliation>
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<mods:namePart id="C8401A8EC3601DD8951003F3A4D73086">Hayashi, Masakazu</mods:namePart>
<mods:affiliation id="72F7A7077426F84823E1CFDBF868830A">Hoshizaki Green Foundation, Okinoshima 1659 - 5, Sono-chô, Izumo-shi, Shimane Pref., 691 - 0076 Japan; e-mail: hgf-haya @ green-f. or. jp</mods:affiliation>
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<subSubSection id="D2841BCFFFE126396BD7FEEBFD05FEE4" pageId="5" pageNumber="52" type="nomenclature">
<paragraph id="9A214844FFE126396BD7FEEBFD32FE8A" blockId="5.[445,756,276,299]" box="[445,756,276,299]" pageId="5" pageNumber="52">
<heading id="C169FF28FFE126396BD7FEEBFD32FE8A" bold="true" box="[445,756,276,299]" centered="true" fontSize="8" level="2" pageId="5" pageNumber="52" reason="3">
<emphasis id="A8EA9456FFE126396BD7FEEBFD32FE8A" bold="true" box="[445,756,276,299]" pageId="5" pageNumber="52">
Genus
<taxonomicName id="5D9E33C7FFE126396867FEEBFD32FE8A" ID-CoL="8VRHW" authority="Leach, 1817" authorityName="Leach" authorityYear="1817" box="[525,756,276,299]" class="Insecta" family="Hydrophilidae" genus="Berosus" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="A8EA9456FFE126396867FEEBFDA0FE8A" bold="true" box="[525,614,276,299]" italics="true" pageId="5" pageNumber="52">Berosus</emphasis>
Leach, 1817
</taxonomicName>
</emphasis>
</heading>
</paragraph>
<paragraph id="9A214844FFE126396B85FECDFD05FEE4" blockId="5.[495,707,306,325]" box="[495,707,306,325]" pageId="5" pageNumber="52">(Figs 17, 17AB, 18A)</paragraph>
</subSubSection>
<subSubSection id="D2841BCFFFE126396A1BFEA1FD8BFAD4" pageId="5" pageNumber="52" type="diagnosis">
<paragraph id="9A214844FFE126396A1BFEA1FD8EFE34" blockId="5.[113,1089,350,1397]" pageId="5" pageNumber="52">
<emphasis id="A8EA9456FFE126396A1BFEA1FF20FED4" bold="true" box="[113,230,350,373]" pageId="5" pageNumber="52">Diagnosis.</emphasis>
Larvae of the genus
<taxonomicName id="5D9E33C7FFE126396BA1FEA1FDE6FED4" authorityName="Leach" authorityYear="1817" box="[459,544,350,373]" class="Insecta" family="Hydrophilidae" genus="Berosus" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="A8EA9456FFE126396BA1FEA1FDE6FED4" box="[459,544,350,373]" italics="true" pageId="5" pageNumber="52">Berosus</emphasis>
</taxonomicName>
are easily distinguishable from almost all other
</paragraph>
<paragraph id="9A214844FFE126396A1BFE61FD8EFE54" blockId="5.[113,1089,350,1397]" pageId="5" pageNumber="52">
<taxonomicName id="5D9E33C7FFE126396A1BFE61FECBFE14" authorityName="Latreille" authorityYear="1802" box="[113,269,414,437]" class="Insecta" family="Hydrophilidae" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="family">Hydrophilidae</taxonomicName>
by the presence of tracheal gills on the abdominal segments (Fig. 1) and the reduction of spiracular atrium (
<figureCitation id="02A554C1FFE126396B8FFE21FDFDFE54" box="[485,571,478,501]" captionStart="Fig" captionStartId="11.[113,144,1333,1352]" captionTargetBox="[163,1044,222,1307]" captionTargetId="figure-11@11.[150,1053,214,1318]" captionTargetPageId="11" captionText="Fig. 5. Third instar larva of Berosus (Berosus) japonicus Sharp, 1873, dorsal; A head capsule; B anterior margin of head capsule; C detail of setae of gFR2; D spiracular atrium; E spiracle in spiracular atrium." figureDoi="http://doi.org/10.5281/zenodo.5303143" httpUri="https://zenodo.org/record/5303143/files/figure.png" pageId="5" pageNumber="52">Fig. 5D</figureCitation>
);
</paragraph>
<paragraph id="9A214844FFE126396A1BFE01FD8EFDB4" blockId="5.[113,1089,350,1397]" box="[113,584,510,533]" pageId="5" pageNumber="52">
<taxonomicName id="5D9E33C7FFE126396A1BFE01FF0FFDB4" authorityName="Leach" authorityYear="1817" box="[113,201,510,533]" class="Insecta" family="Hydrophilidae" genus="Berosus" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="A8EA9456FFE126396A1BFE01FF0FFDB4" box="[113,201,510,533]" italics="true" pageId="5" pageNumber="52">Berosus</emphasis>
</taxonomicName>
larvae often resemble
<taxonomicName id="5D9E33C7FFE126396BBCFE01FD8EFDB4" authorityName="Erichson" authorityYear="1837" box="[470,584,510,533]" class="Insecta" family="Hydrophilidae" genus="Laccobius" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="A8EA9456FFE126396BBCFE01FD8EFDB4" box="[470,584,510,533]" italics="true" pageId="5" pageNumber="52">Laccobius</emphasis>
</taxonomicName>
</paragraph>
<paragraph id="9A214844FFE126396A1BFDE1FD8EFD94" blockId="5.[113,1089,350,1397]" box="[113,584,542,565]" pageId="5" pageNumber="52">
Erichson,
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head morphology (e.g.,
</paragraph>
<paragraph id="9A214844FFE126396A1BFDC1FD8EFD34" blockId="5.[113,1089,350,1397]" pageId="5" pageNumber="52">
<bibRefCitation id="FE0F35B5FFE126396A1BFDC1FE91FDF4" author="ARCHANGELSKY M." box="[113,343,574,597]" pageId="5" pageNumber="52" pagination="1 - 207" refId="ref14684" refString="ARCHANGELSKY M. 1997: Studies on the biology, ecology, and systematics of the immature stages of New World Hydrophiloidea (Coleoptera: Staphyliniformia). Bulletin of the Ohio Biological Survey, New Series 12: 1 - 207." type="book chapter" year="1997">ARCHANGELSKY 1997</bibRefCitation>
), however
<taxonomicName id="5D9E33C7FFE126396BBFFDC1FDEDFDF4" authorityName="Leach" authorityYear="1817" box="[469,555,574,597]" class="Insecta" family="Hydrophilidae" genus="Berosus" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="A8EA9456FFE126396BBFFDC1FDEDFDF4" box="[469,555,574,597]" italics="true" pageId="5" pageNumber="52">Berosus</emphasis>
</taxonomicName>
is distinguishable by the morphology of the clypeolabrum: right epistomal lobe absent in
</paragraph>
<paragraph id="9A214844FFE126396A1BFD61FF38FCF4" blockId="5.[113,1089,350,1397]" pageId="5" pageNumber="52">
<taxonomicName id="5D9E33C7FFE126396A1BFD61FF00FD14" authorityName="Leach" authorityYear="1817" box="[113,198,670,693]" class="Insecta" family="Hydrophilidae" genus="Berosus" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="A8EA9456FFE126396A1BFD61FF00FD14" box="[113,198,670,693]" italics="true" pageId="5" pageNumber="52">Berosus</emphasis>
</taxonomicName>
(
<figureCitation id="02A554C1FFE126396ABEFD61FEEBFD14" box="[212,301,670,693]" captionStart="Fig" captionStartId="9.[113,144,912,931]" captionTargetBox="[131,1083,223,861]" captionTargetId="figure-267@9.[113,1088,220,876]" captionTargetPageId="9" captionText="Fig. 3. First instar larva of Berosus (Berosus) japonicus Sharp, 1873, anterior margin of head capsule, dorsal (A) and ventral (B) (both drawn from dorsal)." figureDoi="http://doi.org/10.5281/zenodo.5303137" httpUri="https://zenodo.org/record/5303137/files/figure.png" pageId="5" pageNumber="52">Figs 3A</figureCitation>
,
<figureCitation id="02A554C1FFE126396B52FD61FE9EFD14" box="[312,344,670,693]" captionStart="Fig" captionStartId="11.[113,144,1333,1352]" captionTargetBox="[163,1044,222,1307]" captionTargetId="figure-11@11.[150,1053,214,1318]" captionTargetPageId="11" captionText="Fig. 5. Third instar larva of Berosus (Berosus) japonicus Sharp, 1873, dorsal; A head capsule; B anterior margin of head capsule; C detail of setae of gFR2; D spiracular atrium; E spiracle in spiracular atrium." figureDoi="http://doi.org/10.5281/zenodo.5303143" httpUri="https://zenodo.org/record/5303143/files/figure.png" pageId="5" pageNumber="52">5B</figureCitation>
) but present in
<taxonomicName id="5D9E33C7FFE126396B94FD61FF5BFD74" authorityName="Erichson" authorityYear="1837" class="Insecta" family="Hydrophilidae" genus="Laccobius" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="A8EA9456FFE126396B94FD61FF5BFD74" italics="true" pageId="5" pageNumber="52">Laccobius</emphasis>
</taxonomicName>
, and left epistomal lobe bears only stout setae in
<taxonomicName id="5D9E33C7FFE126396AB8FD21FEEFFD54" authorityName="Leach" authorityYear="1817" box="[210,297,734,757]" class="Insecta" family="Hydrophilidae" genus="Berosus" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="A8EA9456FFE126396AB8FD21FEEFFD54" box="[210,297,734,757]" italics="true" pageId="5" pageNumber="52">Berosus</emphasis>
</taxonomicName>
(
<figureCitation id="02A554C1FFE126396B50FD21FE5FFD54" box="[314,409,734,757]" captionStart="Fig" captionStartId="9.[113,144,912,931]" captionTargetBox="[131,1083,223,861]" captionTargetId="figure-267@9.[113,1088,220,876]" captionTargetPageId="9" captionText="Fig. 3. First instar larva of Berosus (Berosus) japonicus Sharp, 1873, anterior margin of head capsule, dorsal (A) and ventral (B) (both drawn from dorsal)." figureDoi="http://doi.org/10.5281/zenodo.5303137" httpUri="https://zenodo.org/record/5303137/files/figure.png" pageId="5" pageNumber="52">Figs 3A</figureCitation>
,
<figureCitation id="02A554C1FFE126396BC2FD21FE0CFD54" box="[424,458,734,757]" captionStart="Fig" captionStartId="11.[113,144,1333,1352]" captionTargetBox="[163,1044,222,1307]" captionTargetId="figure-11@11.[150,1053,214,1318]" captionTargetPageId="11" captionText="Fig. 5. Third instar larva of Berosus (Berosus) japonicus Sharp, 1873, dorsal; A head capsule; B anterior margin of head capsule; C detail of setae of gFR2; D spiracular atrium; E spiracle in spiracular atrium." figureDoi="http://doi.org/10.5281/zenodo.5303143" httpUri="https://zenodo.org/record/5303143/files/figure.png" pageId="5" pageNumber="52">5B</figureCitation>
), but bears stout setae and seta-like cuticular projections in
<taxonomicName id="5D9E33C7FFE126396AAAFCE1FEE8FC94" authorityName="Erichson" authorityYear="1837" box="[192,302,798,821]" class="Insecta" family="Hydrophilidae" genus="Laccobius" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="A8EA9456FFE126396AAAFCE1FEE8FC94" box="[192,302,798,821]" italics="true" pageId="5" pageNumber="52">Laccobius</emphasis>
</taxonomicName>
(Y. Minoshima, personal observation).
</paragraph>
<paragraph id="9A214844FFE126396AFAFCA1FD8EFC34" blockId="5.[113,1089,350,1397]" pageId="5" pageNumber="52">
Within Japanese genera, the genus
<taxonomicName id="5D9E33C7FFE126396B96FCA1FE97FC34" authority="Berthold, 1827" authorityName="Berthold" authorityYear="1827" class="Insecta" family="Hydrophilidae" genus="Hydrochara" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="A8EA9456FFE126396B96FCA1FF69FC34" italics="true" pageId="5" pageNumber="52">Hydrochara</emphasis>
Berthold, 1827
</taxonomicName>
superficially resembles
</paragraph>
<paragraph id="9A214844FFE126396A1BFC61FD8EFC54" blockId="5.[113,1089,350,1397]" pageId="5" pageNumber="52">
<taxonomicName id="5D9E33C7FFE126396A1BFC61FF03FC14" authorityName="Leach" authorityYear="1817" box="[113,197,926,949]" class="Insecta" family="Hydrophilidae" genus="Berosus" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="A8EA9456FFE126396A1BFC61FF03FC14" box="[113,197,926,949]" italics="true" pageId="5" pageNumber="52">Berosus</emphasis>
</taxonomicName>
by the presence of lateral projections on the abdomen (but the projections are not tracheal gills) (
<bibRefCitation id="FE0F35B5FFE126396B65FC21FD82FC54" author="MINOSHIMA Y. &amp; HAYASHI M." box="[271,580,990,1013]" pageId="5" pageNumber="52" pagination="1 - 118" refId="ref17041" refString="MINOSHIMA Y. &amp; HAYASHI M. 2011 a: Larval morphology of the Japanese species of the tribes Acidocerini, Hydrobiusini and Hydrophilini (Coleoptera: Hydrophilidae). Acta Entomologica Musei Nationalis Pragae 51 (supplementum): 1 - 118." type="journal article" year="2011">MINOSHIMA &amp; HAYASHI 2011a</bibRefCitation>
,
</paragraph>
<paragraph id="9A214844FFE126396A1BFC01FD8EFB14" blockId="5.[113,1089,350,1397]" pageId="5" pageNumber="52">
MINOSHIMA et al. 2012), the genus
<taxonomicName id="5D9E33C7FFE126396BB0FC01FD8EFBB4" authorityName="Erichson" authorityYear="1837" box="[474,584,1022,1045]" class="Insecta" family="Hydrophilidae" genus="Laccobius" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="A8EA9456FFE126396BB0FC01FD8EFBB4" box="[474,584,1022,1045]" italics="true" pageId="5" pageNumber="52">Laccobius</emphasis>
</taxonomicName>
in the head morphology (see above). Larvae of
<taxonomicName id="5D9E33C7FFE126396AE7FBC1FF24FBF4" authorityName="Leach" authorityYear="1817" box="[141,226,1086,1109]" class="Insecta" family="Hydrophilidae" genus="Berosus" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="A8EA9456FFE126396AE7FBC1FF24FBF4" box="[141,226,1086,1109]" italics="true" pageId="5" pageNumber="52">Berosus</emphasis>
</taxonomicName>
are distinguishable from those by the above mentioned characters, presence of tracheal gills and absence of spiracular atrium. Additional characters also separate
</paragraph>
<paragraph id="9A214844FFE126396A1BFB41FC49FB50" blockId="5.[113,1089,350,1397]" pageId="5" pageNumber="52">
<taxonomicName id="5D9E33C7FFE126396A1BFB41FF0FFB74" authorityName="Leach" authorityYear="1817" box="[113,201,1214,1237]" class="Insecta" family="Hydrophilidae" genus="Berosus" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="A8EA9456FFE126396A1BFB41FF0FFB74" box="[113,201,1214,1237]" italics="true" pageId="5" pageNumber="52">Berosus</emphasis>
</taxonomicName>
from
<taxonomicName id="5D9E33C7FFE126396B7EFB41FE5FFB74" authorityName="Berthold" authorityYear="1827" box="[276,409,1214,1237]" class="Insecta" family="Hydrophilidae" genus="Hydrochara" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="A8EA9456FFE126396B7EFB41FE5FFB74" box="[276,409,1214,1237]" italics="true" pageId="5" pageNumber="52">Hydrochara</emphasis>
</taxonomicName>
: (1) mandibles Fig. 1. Habitus of the third instar larva of
<taxonomicName id="5D9E33C7FFE126396991FB3BFB87FB76" authorityName="Leach" authorityYear="1817" box="[1019,1089,1220,1239]" class="Insecta" family="Hydrophilidae" genus="Berosus" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">
<emphasis id="A8EA9456FFE126396991FB3BFB87FB76" box="[1019,1089,1220,1239]" italics="true" pageId="5" pageNumber="52">Berosus</emphasis>
</taxonomicName>
strongly asymmetrical; (2) labium more
<taxonomicName id="5D9E33C7FFE126396818FB21FC4DFB50" authority="Sharp, 1873" authorityName="Sharp" authorityYear="1873" box="[626,907,1246,1265]" class="Insecta" family="Hydrophilidae" genus="Berosus" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="species" species="japonicus" subGenus="Berosus">
(
<emphasis id="A8EA9456FFE126396813FB21FD7BFB50" box="[633,701,1246,1265]" italics="true" pageId="5" pageNumber="52">Berosus</emphasis>
)
<emphasis id="A8EA9456FFE1263968A3FB21FCDAFB50" box="[713,796,1246,1265]" italics="true" pageId="5" pageNumber="52">japonicus</emphasis>
<bibRefCitation id="FE0F35B5FFE12639694BFB21FC4DFB50" author="SHARP D." box="[801,907,1246,1265]" pageId="5" pageNumber="52" pagination="45 - 67" refId="ref17655" refString="SHARP D. 1873: The water beetles of Japan. Transactions of the Entomological Society of London 1873: 45 - 67." type="journal article" year="1873">Sharp, 1873</bibRefCitation>
</taxonomicName>
.
</paragraph>
<paragraph id="9A214844FFE126396A1BFB01FD8BFAD4" blockId="5.[113,1089,350,1397]" pageId="5" pageNumber="52">
or less reduced; (3) clypeolabrum strongly asymmetrical, left lobe strongly projecting anteriorly, right lobe absent; (4) legs without swimming hairs; (5) prostyli absent. See also a key to the genera of Japanese aquatic
<taxonomicName id="5D9E33C7FFE126396E60FAC1FF1BFAD4" authorityName="Latreille" authorityYear="1802" class="Insecta" family="Hydrophilidae" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="family">Hydrophilidae</taxonomicName>
in
<bibRefCitation id="FE0F35B5FFE126396B6AFAA1FD8FFAD4" author="MINOSHIMA Y. &amp; HAYASHI M." box="[256,585,1374,1397]" pageId="5" pageNumber="52" pagination="1 - 118" refId="ref17041" refString="MINOSHIMA Y. &amp; HAYASHI M. 2011 a: Larval morphology of the Japanese species of the tribes Acidocerini, Hydrobiusini and Hydrophilini (Coleoptera: Hydrophilidae). Acta Entomologica Musei Nationalis Pragae 51 (supplementum): 1 - 118." type="journal article" year="2011">MINOSHIMA &amp; HAYASHI (2011a)</bibRefCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>