226 lines
29 KiB
XML
226 lines
29 KiB
XML
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<mods:title id="D1E0D2E62834A43236B4A677D3B5E7C8">The genital area of Halacaridae (Acari), life stages and development of morphological characters and implication on the classification</mods:title>
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<treatment id="03C887E5FFF0FF8EFF12A477FA85FE49" ID-DOI="http://doi.org/10.5281/zenodo.5696520" ID-GBIF-Taxon="119596703" ID-Zenodo-Dep="5696520" LSID="urn:lsid:plazi:treatment:03C887E5FFF0FF8EFF12A477FA85FE49" httpUri="http://treatment.plazi.org/id/03C887E5FFF0FF8EFF12A477FA85FE49" lastPageId="28" lastPageNumber="229" pageId="27" pageNumber="228">
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<subSubSection id="C37B6578FFF0FF89FF12A477FDDEFC04" box="[151,566,872,898]" pageId="27" pageNumber="228" type="nomenclature">
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<paragraph id="8BDE36F3FFF0FF89FF12A477FDDEFC04" blockId="27.[151,566,872,898]" box="[151,566,872,898]" pageId="27" pageNumber="228">
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<heading id="D096819FFFF0FF89FF12A477FDDEFC04" bold="true" box="[151,566,872,898]" fontSize="11" level="1" pageId="27" pageNumber="228" reason="1">
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<taxonomicName id="4C614D70FFF0FF89FF12A477FDDEFC04" authority="Trouessart, 1888" authorityName="Trouessart" authorityYear="1888" box="[151,566,872,898]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="genus">
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<emphasis id="B915EAE1FFF0FF89FF12A477FDDEFC04" bold="true" box="[151,566,872,898]" pageId="27" pageNumber="228">
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<emphasis id="B915EAE1FFF0FF89FF12A477FEB7FC04" bold="true" box="[151,351,872,898]" italics="true" pageId="27" pageNumber="228">Rhombognathus</emphasis>
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||
<bibRefCitation id="EFF04B02FFF0FF89FEE3A477FDDEFC04" author="Trouessart" box="[358,566,872,898]" pageId="27" pageNumber="228" refString="Trouessart, E. L. (1888) Note sur les acariens marins recueillis par M. Giard au laboratoire maritime de Wimereux. Comptes Rendus de l'Academie des Sciences, Paris, 107, 753 - 755." type="journal article" year="1888">Trouessart, 1888</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</heading>
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||
</paragraph>
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</subSubSection>
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<subSubSection id="C37B6578FFF0FF89FF12A4B1FB97F814" pageId="27" pageNumber="228" type="materials_examined">
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<paragraph id="8BDE36F3FFF0FF89FF12A4B1FD2AFC41" blockId="27.[151,1437,942,2011]" box="[151,706,942,967]" pageId="27" pageNumber="228">
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||
<emphasis id="B915EAE1FFF0FF89FF12A4B1FEDAFC41" bold="true" box="[151,306,942,967]" pageId="27" pageNumber="228">
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<typeStatus id="54DA8851FFF0FF89FF12A4B1FF3AFC41" box="[151,210,942,967]" pageId="27" pageNumber="228">Type</typeStatus>
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species.
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</emphasis>
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<taxonomicName id="4C614D70FFF0FF89FEBCA4B1FD56FC41" authority="Gosse, 1855" authorityName="Gosse" authorityYear="1855" box="[313,702,942,967]" class="Arachnida" family="Halacaridae" genus="Pachygnathus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="notops">
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<emphasis id="B915EAE1FFF0FF89FEBCA4B1FDC1FC40" box="[313,553,942,967]" italics="true" pageId="27" pageNumber="228">Pachygnathus notops</emphasis>
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Gosse, 1855
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</taxonomicName>
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.
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</paragraph>
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<paragraph id="8BDE36F3FFF0FF89FF42A4CDFEACF9C8" blockId="27.[151,1437,942,2011]" pageId="27" pageNumber="228">
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<emphasis id="B915EAE1FFF0FF89FF42A4CDFEF5FC6D" bold="true" box="[199,285,978,1003]" pageId="27" pageNumber="228">Adults.</emphasis>
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In most of females GP and AP contiguous or partly fused, in a few species these plates separated. GO in posterior part of GP; with 1–45 pairs of slender pgs around GO and two pairs of sgs, rarely a single pair (e.g. in
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<taxonomicName id="4C614D70FFF0FF89FF12A303FE7EFBB5" authority="Viets, 1939" authorityName="Viets" authorityYear="1939" box="[151,406,1050,1075]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="peltatus">
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<emphasis id="B915EAE1FFF0FF89FF12A303FEE5FBB5" box="[151,269,1050,1075]" italics="true" pageId="27" pageNumber="228">R. peltatus</emphasis>
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Viets, 1939
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</taxonomicName>
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, cf.
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<bibRefCitation id="EFF04B02FFF0FF89FE40A305FD8FFBB5" author="Bartsch" box="[453,615,1050,1075]" pageId="27" pageNumber="228" refString="Bartsch, I. (1996 f) Rhombognathines (Acari: Halacaridae) of the Black Sea: A survey. Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut, 93, 141 - 160." type="journal article" year="1996" yearSuffix="f">Bartsch 1996f</bibRefCitation>
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: fig. 31). Acetabula internal, in general three pairs almost equal-sized gac present, rarely two pairs (e.g. in
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<taxonomicName id="4C614D70FFF0FF89FD84A320FCA8FBD1" authority="Schulz, 1933" authorityName="Schulz" authorityYear="1933" box="[513,832,1086,1111]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="intermedius">
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<emphasis id="B915EAE1FFF0FF89FD84A320FD4CFBD1" box="[513,676,1086,1111]" italics="true" pageId="27" pageNumber="228">R. intermedius</emphasis>
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<bibRefCitation id="EFF04B02FFF0FF89FD2EA321FCA8FBD1" author="Schulz" box="[683,832,1086,1111]" pageId="27" pageNumber="228" refString="Schulz, E. (1933) Zur Halacaridenfauna der Kieler Bucht. Schriften des Naturwissenchaftlichen Vereins fur Schleswig-Holstein, 20, 96 - 105." type="journal article" year="1933">Schulz, 1933</bibRefCitation>
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</taxonomicName>
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,
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<taxonomicName id="4C614D70FFF0FF89FCCEA320FBA3FBD1" authority="Abe, 1996" authorityName="Abe" authorityYear="1996" box="[843,1099,1086,1111]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="neotenus">
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<emphasis id="B915EAE1FFF0FF89FCCEA320FC26FBD0" box="[843,974,1087,1110]" italics="true" pageId="27" pageNumber="228">R. neotenus</emphasis>
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Abé, 1996
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</taxonomicName>
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,
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<taxonomicName id="4C614D70FFF0FF89FBD3A320FABDFBD1" authority="Viets, 1939" authorityName="Viets" authorityYear="1939" box="[1110,1365,1086,1111]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="peltatus">
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<emphasis id="B915EAE1FFF0FF89FBD3A320FB26FBD1" box="[1110,1230,1086,1111]" italics="true" pageId="27" pageNumber="228">R. peltatus</emphasis>
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Viets, 1939
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</taxonomicName>
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) (
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<bibRefCitation id="EFF04B02FFF0FF89FAEEA321FF37FBFD" author="Abe" pageId="27" pageNumber="228" refString="Abe, H. (1996 a) Rhombognathine mites (Acari: Halacaridae) from Hokkaido, Northern Japan. Publications of the Seto Marine Biological Laboratory, 37, 63 - 166." type="journal article" year="1996" yearSuffix="a">Abé 1996a</bibRefCitation>
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: fig. 50A;
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<bibRefCitation id="EFF04B02FFF0FF89FEDAA37DFDE1FBFD" author="Bartsch" box="[351,521,1122,1147]" pageId="27" pageNumber="228" refString="Bartsch, I. (1975 b) Ein Beitrag zur Rhombognathinen-Fauna (Halacaridae, Acari) der Bretagne-Kuste. Acarologia, 17, 53 - 80." type="journal article" year="1975" yearSuffix="b">Bartsch 1975b</bibRefCitation>
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: fig. 8). In two species (
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<taxonomicName id="4C614D70FFF0FF89FCADA37BFBA8FBFD" authority="Bartsch 2013" authorityName="Bartsch" authorityYear="2013" box="[808,1088,1122,1147]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="amplus">
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<emphasis id="B915EAE1FFF0FF89FCADA37BFC74FBFD" box="[808,924,1122,1147]" italics="true" pageId="27" pageNumber="228">R. amplus</emphasis>
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Bartsch 2013
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</taxonomicName>
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,
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<taxonomicName id="4C614D70FFF0FF89FBCBA37BFA91FBFD" authority="Bartsch 2005" authorityName="Bartsch" authorityYear="2005" box="[1102,1401,1122,1147]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="bulbosus">
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<emphasis id="B915EAE1FFF0FF89FBCBA37BFB3CFBFD" box="[1102,1236,1122,1147]" italics="true" pageId="27" pageNumber="228">R. bulbosus</emphasis>
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Bartsch 2005
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</taxonomicName>
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), a single pair of gac distinctly recognizable (
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<bibRefCitation id="EFF04B02FFF0FF89FDE8A399FCFCFB19" author="Bartsch" box="[621,788,1158,1183]" pageId="27" pageNumber="228" refString="Bartsch, I. (2005 c) Upper littoral rhombognathines (Acari: Halacaridae) of Singapore: description of three new species. Cahiers de Biologie Marine, 46, 273 - 287." type="journal article" year="2005" yearSuffix="c">Bartsch 2005c</bibRefCitation>
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: fig. 22, 2013e: fig. 1h). Ovipositor short, both at rest and everted, at rest hardly extending beyond GO. When everted, ovipositor basally with pair of delicate papillae (may be vestigial), apically with five pairs of sclerotized, palmate genital spines, each ending with three to nine spikelike tines (
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<bibRefCitation id="EFF04B02FFF0FF89FE97A3EDFE54FA8D" author="Bartsch" box="[274,444,1266,1291]" pageId="27" pageNumber="228" refString="Bartsch, I. (1975 a) Ein Beitrag zum System der Rhombognathinen (Halacaridae, Acari). Zur Morphologie der Tarsalregion und des Ovipositors. Zoologischer Anzeiger, 194, 193 - 200." type="journal article" year="1975" yearSuffix="a">Bartsch 1975a</bibRefCitation>
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: figs 8a, 9b, 1975b: fig. 46, 1975c: figs 4, 18, 2000: fig. 21C). In males GP and AP generally fused, also in species in which females have separate plates. Male GO often smaller and in a more ventral position than female GO. Area representing GP with 7–25 pairs of pgs, in many species setae plumose and arranged trapezoidally, else setae smooth. Each genital sclerite with two small sgs, these generally setiform, rarely plumose (
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<bibRefCitation id="EFF04B02FFF0FF89FE80A29DFE6FFA1D" author="Abe" box="[261,391,1410,1435]" pageId="27" pageNumber="228" refString="Abe, H. (1996 a) Rhombognathine mites (Acari: Halacaridae) from Hokkaido, Northern Japan. Publications of the Seto Marine Biological Laboratory, 37, 63 - 166." type="journal article" year="1996" yearSuffix="a">Abé 1996a</bibRefCitation>
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: figs 25B, 29B, 33B, 37B, 43D, 46D, 59E;
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<bibRefCitation id="EFF04B02FFF0FF89FCFDA29DFBF6FA1D" author="Bartsch" box="[888,1054,1410,1435]" pageId="27" pageNumber="228" refString="Bartsch, I. (2013 e) Upper littoral rhombognathines (Acari: Halacaridae) from Singapore: description of a new species." type="book" year="2013" yearSuffix="e">Bartsch 2013e</bibRefCitation>
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: fig. 1d). GO normally with three pairs of internal gac, except for e.g. the five above mentioned species, in these, as in their females, two pairs or a single pair of acetabula recognizable (
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<bibRefCitation id="EFF04B02FFF0FF89FDCEA2D5FD1EFA65" author="Bartsch" box="[587,758,1482,1507]" pageId="27" pageNumber="228" refString="Bartsch, I. (1975 b) Ein Beitrag zur Rhombognathinen-Fauna (Halacaridae, Acari) der Bretagne-Kuste. Acarologia, 17, 53 - 80." type="journal article" year="1975" yearSuffix="b">Bartsch 1975b</bibRefCitation>
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: figs 9, 24, 1975c: fig. 27, 2003c: fig.
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<date id="FFDF1033FFF0FF89FB32A2D4FB36FA65" box="[1207,1246,1483,1507]" pageId="27" pageNumber="228" value="2012-01">12I</date>
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, 2013e: fig. 1c). Acetabula in males often more contiguous than in females and situated near posterior end of GO (except e.g.
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<taxonomicName id="4C614D70FFF0FF89FA01A2F0FE3CF9AD" authority="Krantz, 1976" authorityName="Krantz" authorityYear="1976" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="leurodactylus">
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<emphasis id="B915EAE1FFF0FF89FA01A2F0FEC6F9AD" italics="true" pageId="27" pageNumber="228">R. leurodactylus</emphasis>
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<bibRefCitation id="EFF04B02FFF0FF89FEBEA10CFE3CF9AD" author="Krantz" box="[315,468,1554,1579]" pageId="27" pageNumber="228" refString="Krantz, G. W. (1976) Arenicolous Halacaridae from the intertidal zone of Schooner Creek, Oregon (Acari: Prostigmata). Acarologia, 18, 241 - 258." type="journal article" year="1976">Krantz, 1976</bibRefCitation>
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</taxonomicName>
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, cf.
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<bibRefCitation id="EFF04B02FFF0FF89FD8AA10DFD7AF9AD" author="Abe" box="[527,658,1554,1579]" pageId="27" pageNumber="228" refString="Abe, H. (1996 a) Rhombognathine mites (Acari: Halacaridae) from Hokkaido, Northern Japan. Publications of the Seto Marine Biological Laboratory, 37, 63 - 166." type="journal article" year="1996" yearSuffix="a">Abé 1996a</bibRefCitation>
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: fig. 43D and C). All stages, adults and juveniles, with tube-like epimeral pores.
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</paragraph>
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<paragraph id="8BDE36F3FFF0FF89FF42A145FB97F814" blockId="27.[151,1437,942,2011]" pageId="27" pageNumber="228">
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||
<emphasis id="B915EAE1FFF0FF89FF42A145FED4F9F5" bold="true" box="[199,316,1626,1651]" pageId="27" pageNumber="228">Juveniles.</emphasis>
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Majority of species with three nymphal and one larval stage. Tritonymphal GP and AP either fused or separated, GP and AP of deuto- and protonymph generally fused. Tritonymphal GP with two pairs of pgs, one pair of sgs and, in the majority of species, with three pairs of equal-sized internal gac. Tritonymphs of
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<taxonomicName id="4C614D70FFF0FF89FAAEA1BBFA74F93D" box="[1323,1436,1698,1723]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="amplus">
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<emphasis id="B915EAE1FFF0FF89FAAEA1BBFA74F93D" box="[1323,1436,1698,1723]" italics="true" pageId="27" pageNumber="228">R. amplus</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="4C614D70FFF0FF89FF40A1D8FEA0F959" box="[197,328,1734,1759]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="bulbosus">
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<emphasis id="B915EAE1FFF0FF89FF40A1D8FEA0F959" box="[197,328,1734,1759]" italics="true" pageId="27" pageNumber="228">R. bulbosus</emphasis>
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</taxonomicName>
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with two large pairs and a median short, slender pair of gac (
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<bibRefCitation id="EFF04B02FFF0FF89FC69A1D9FB7AF959" author="Bartsch" box="[1004,1170,1734,1759]" pageId="27" pageNumber="228" refString="Bartsch, I. (2005 c) Upper littoral rhombognathines (Acari: Halacaridae) of Singapore: description of three new species. Cahiers de Biologie Marine, 46, 273 - 287." type="journal article" year="2005" yearSuffix="c">Bartsch 2005c</bibRefCitation>
|
||
: fig. 37, 2013e: fig. 3c), these nymphs of
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<taxonomicName id="4C614D70FFF0FF89FED9A1F3FD77F885" authority="Bartsch, 2000" authorityName="Bartsch" authorityYear="2000" box="[348,671,1770,1795]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="cyrtonotus">
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||
<emphasis id="B915EAE1FFF0FF89FED9A1F3FE1CF885" box="[348,500,1772,1795]" italics="true" pageId="27" pageNumber="228">R. cyrtonotus</emphasis>
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Bartsch, 2000
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</taxonomicName>
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,
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<taxonomicName id="4C614D70FFF0FF89FD29A1F3FCB9F885" box="[684,849,1770,1795]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="intermedius">
|
||
<emphasis id="B915EAE1FFF0FF89FD29A1F3FCB9F885" box="[684,849,1770,1795]" italics="true" pageId="27" pageNumber="228">R. intermedius</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C614D70FFF0FF89FCE7A1F3FC00F885" box="[866,1000,1772,1795]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="neotenus">
|
||
<emphasis id="B915EAE1FFF0FF89FCE7A1F3FC00F885" box="[866,1000,1772,1795]" italics="true" pageId="27" pageNumber="228">R. neotenus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C614D70FFF0FF89FBA7A1F3FB75F885" box="[1058,1181,1770,1795]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="peltatus">
|
||
<emphasis id="B915EAE1FFF0FF89FBA7A1F3FB75F885" box="[1058,1181,1770,1795]" italics="true" pageId="27" pageNumber="228">R. peltatus</emphasis>
|
||
</taxonomicName>
|
||
with two pairs of gac (
|
||
<bibRefCitation id="EFF04B02FFF0FF89FF1BA011FEA1F8A1" author="Bartsch" box="[158,329,1806,1831]" pageId="27" pageNumber="228" refString="Bartsch, I. (1975 b) Ein Beitrag zur Rhombognathinen-Fauna (Halacaridae, Acari) der Bretagne-Kuste. Acarologia, 17, 53 - 80." type="journal article" year="1975" yearSuffix="b">Bartsch 1975b</bibRefCitation>
|
||
: fig. 21, 1975c: fig. 24;
|
||
<bibRefCitation id="EFF04B02FFF0FF89FDE4A011FD09F8A1" author="Abe" box="[609,737,1806,1831]" pageId="27" pageNumber="228" refString="Abe, H. (1996 a) Rhombognathine mites (Acari: Halacaridae) from Hokkaido, Northern Japan. Publications of the Seto Marine Biological Laboratory, 37, 63 - 166." type="journal article" year="1996" yearSuffix="a">Abé 1996a</bibRefCitation>
|
||
: fig. 53A). Deutonymphal GP with two pairs of internal gac, equal-sized apart from e.g.
|
||
<taxonomicName id="4C614D70FFF0FF89FE4DA02BFDD0F8CD" box="[456,568,1842,1867]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="amplus">
|
||
<emphasis id="B915EAE1FFF0FF89FE4DA02BFDD0F8CD" box="[456,568,1842,1867]" italics="true" pageId="27" pageNumber="228">R. amplus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C614D70FFF0FF89FDEBA02BFD19F8CD" box="[622,753,1842,1867]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="bulbosus">
|
||
<emphasis id="B915EAE1FFF0FF89FDEBA02BFD19F8CD" box="[622,753,1842,1867]" italics="true" pageId="27" pageNumber="228">R. bulbosus</emphasis>
|
||
</taxonomicName>
|
||
. Deutonymphs of these two species with minute anterior and tube-like posterior pair of acetabula (
|
||
<bibRefCitation id="EFF04B02FFF0FF89FDBDA049FD08F8E9" author="Bartsch" box="[568,736,1878,1903]" pageId="27" pageNumber="228" refString="Bartsch, I. (2013 e) Upper littoral rhombognathines (Acari: Halacaridae) from Singapore: description of a new species." type="book" year="2013" yearSuffix="e">Bartsch 2013e</bibRefCitation>
|
||
: fig. 3e). Deutonymphal GP without pgs and sgs. Protonymph with single pair of gac; pgs and sgs lacking. Larvae with pair of tube-like epimeral pores.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C37B6578FFF0FF8EFF42A081FA85FE49" lastPageId="28" lastPageNumber="229" pageId="27" pageNumber="228" type="discussion">
|
||
<paragraph id="8BDE36F3FFF0FF8EFF42A081FBE2FE9B" blockId="27.[151,1437,942,2011]" lastBlockId="28.[151,1436,151,464]" lastPageId="28" lastPageNumber="229" pageId="27" pageNumber="228">
|
||
<emphasis id="B915EAE1FFF0FF89FF42A081FED3F831" bold="true" box="[199,315,1950,1975]" pageId="27" pageNumber="228">Remarks.</emphasis>
|
||
In a few species, the deutonymphal stage seems to be suppressed. Of both
|
||
<taxonomicName id="4C614D70FFF0FF89FB26A080FAA1F831" box="[1187,1353,1950,1975]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="intermedius">
|
||
<emphasis id="B915EAE1FFF0FF89FB26A080FAA1F831" box="[1187,1353,1950,1975]" italics="true" pageId="27" pageNumber="228">R. intermedius</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C614D70FFF0FF89FA01A080FF18F85D" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="27" pageNumber="228" phylum="Arthropoda" rank="species" species="peltatus">
|
||
<emphasis id="B915EAE1FFF0FF89FA01A080FF18F85D" italics="true" pageId="27" pageNumber="228">R. peltatus</emphasis>
|
||
</taxonomicName>
|
||
numerous individuals, collected in different seasons, have been studied, larva, protonymphs (with fivesegmented leg IV and single pair of gac), tritonymphs (with two pairs of pgs and one pair of sgs) and adults were present in the samples but no deutonymphs (
|
||
<bibRefCitation id="EFF04B02FFF7FF8EFD1DA7A3FCA9FF52" author="Bartsch" box="[664,833,188,213]" pageId="28" pageNumber="229" refString="Bartsch, I. (2003 c) The subfamily Rhombognathinae: developmental pattern and re-evaluation of the phylogeny (Arachnida, Acari, Halacaridae). Senckenbergiana Biologica, 82, 15 - 57." type="journal article" year="2003" yearSuffix="c">Bartsch 2003c</bibRefCitation>
|
||
). In these two species adults have no more than two pairs of gac. Because of the reduced number of gac in the tritonymphs of
|
||
<taxonomicName id="4C614D70FFF7FF8EFB86A7FEFAAEFF7E" authority="Bartsch, 2000" authorityName="Bartsch" authorityYear="2000" box="[1027,1350,223,248]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="28" pageNumber="229" phylum="Arthropoda" rank="species" species="cyrtonotus">
|
||
<emphasis id="B915EAE1FFF7FF8EFB86A7FEFB73FF7E" box="[1027,1179,225,248]" italics="true" pageId="28" pageNumber="229">R. cyrtonotus</emphasis>
|
||
Bartsch, 2000
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C614D70FFF7FF8EFA01A7FEFF13FE9A" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="28" pageNumber="229" phylum="Arthropoda" rank="species" species="neotenus">
|
||
<emphasis id="B915EAE1FFF7FF8EFA01A7FEFF13FE9A" italics="true" pageId="28" pageNumber="229">R. neotenus</emphasis>
|
||
</taxonomicName>
|
||
, these species, too, are expected to have lost the deutonymphal instar.
|
||
</paragraph>
|
||
<paragraph id="8BDE36F3FFF7FF8EFF42A637FEA1FE01" blockId="28.[151,1436,151,464]" pageId="28" pageNumber="229">
|
||
In the majority of the deuto- and tritonymphs the two or three pairs of acetabula are similar in size, but in
|
||
<taxonomicName id="4C614D70FFF7FF8EFA01A636FF00FEE3" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="28" pageNumber="229" phylum="Arthropoda" rank="species" species="amplus">
|
||
<emphasis id="B915EAE1FFF7FF8EFA01A636FF00FEE3" italics="true" pageId="28" pageNumber="229">R. amplus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C614D70FFF7FF8EFE9AA652FE4BFEE3" box="[287,419,332,357]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="28" pageNumber="229" phylum="Arthropoda" rank="species" species="bulbosus">
|
||
<emphasis id="B915EAE1FFF7FF8EFE9AA652FE4BFEE3" box="[287,419,332,357]" italics="true" pageId="28" pageNumber="229">R. bulbosus</emphasis>
|
||
</taxonomicName>
|
||
the size is different and the situation resembling that of
|
||
<taxonomicName id="4C614D70FFF7FF8EFB9BA653FB7CFEE3" box="[1054,1172,332,357]" class="Arachnida" family="Halacaridae" genus="Isobactrus" kingdom="Animalia" order="Trombidiformes" pageId="28" pageNumber="229" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B915EAE1FFF7FF8EFB9BA653FB7CFEE3" box="[1054,1172,332,357]" italics="true" pageId="28" pageNumber="229">Isobactrus</emphasis>
|
||
</taxonomicName>
|
||
species of the northern temperate zone.
|
||
</paragraph>
|
||
<paragraph id="8BDE36F3FFF7FF8EFF42A68BFA85FE49" blockId="28.[151,1436,151,464]" pageId="28" pageNumber="229">
|
||
The genus
|
||
<taxonomicName id="4C614D70FFF7FF8EFEC6A68BFE11FE2B" box="[323,505,404,429]" class="Arachnida" family="Halacaridae" genus="Rhombognathus" kingdom="Animalia" order="Trombidiformes" pageId="28" pageNumber="229" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B915EAE1FFF7FF8EFEC6A68BFE11FE2B" box="[323,505,404,429]" italics="true" pageId="28" pageNumber="229">Rhombognathus</emphasis>
|
||
</taxonomicName>
|
||
is spread world-wide, it includes more than 100 species (
|
||
<bibRefCitation id="EFF04B02FFF7FF8EFB04A68BFACFFE2A" author="Bartsch" box="[1153,1319,404,429]" pageId="28" pageNumber="229" refString="Bartsch, I. (2009 a) Checklist of marine and freshwater halacarid mite genera and species (Halacaridae: Acari) with notes on synonyms, habitats, distribution and descriptions of the taxa. Zootaxa, 1998, 1 - 170." type="journal article" year="2009" yearSuffix="a">Bartsch 2009a</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFF04B02FFF7FF8EFAB6A68BFAABFE2B" author="Bartsch" box="[1331,1347,404,429]" pageId="28" pageNumber="229" refString="Bartsch, I. (2009 d) Rhombognathus (Halacaridae: Rhombognathinae) from Mauritius, new records from the western Indian Ocean. Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut, 106, 27 - 38." type="journal article" year="2009" yearSuffix="d">d</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFF04B02FFF7FF8EFAD5A68BFA7FFE2A" author="Bartsch" box="[1360,1431,404,428]" pageId="28" pageNumber="229" refString="Bartsch, I. (2013 e) Upper littoral rhombognathines (Acari: Halacaridae) from Singapore: description of a new species." type="book" year="2013" yearSuffix="e">2013e</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFF04B02FFF7FF8EFF12A6A8FE75FE56" author="Abe" box="[151,413,439,464]" pageId="28" pageNumber="229" refString="Abe, H. & Fernandes, M. L. B. (2011) Three species of rhombognathine mites (Acari: Halacaridae) from the coast of Recife, Brazil. Revista Nordestina de Zoologia, Recife, 5 (2), 1 - 18." type="journal article" year="2011">Abé & Fernandes 2011</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFF04B02FFF7FF8EFE2DA6A8FD74FE56" author="Abe" box="[424,668,439,464]" pageId="28" pageNumber="229" refString="Abe, H. & Etemadi, I. (2014) Two rhombognathine mites (Acari: Halacaridae) from the Gulf of Oman, Iran. Persian Journal of Acarology, 3 (2), 107 - 119." type="journal article" year="2014">Abé & Etamadi 2014</bibRefCitation>
|
||
). The species are algivorous, hence restricted to the photic zone.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |