217 lines
24 KiB
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217 lines
24 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/CompCytogen.v14i3.53367" ID-GBIF-Dataset="50124bbf-9113-492c-b240-bbfce4a51a60" ID-PMC="PMC7387363" ID-Pensoft-Pub="1993-078X-3-339" ID-Pensoft-UUID="2CD35BDCEE2B569795486A48059CE160" ID-PubMed="32774782" ID-ZooBank="D2A1B8A1B2EE42518F3666B295BA1B73" ModsDocID="1993-078X-3-339" checkinTime="1595285223654" checkinUser="pensoft" docAuthor="Gavrilov-Zimin, Ilya A." docDate="2020" docId="15D6DA8230BA5345A1346EBD0121B8D2" docLanguage="en" docName="CompCytogen 14(3): 339-352" docOrigin="Comparative Cytogenetics 14 (3)" docSource="http://dx.doi.org/10.3897/CompCytogen.v14i3.53367" docTitle="Steatococcus samaraius Morrison 1927" docType="treatment" docVersion="4" id="2CD35BDCEE2B569795486A48059CE160" lastPageNumber="339" masterDocId="2CD35BDCEE2B569795486A48059CE160" masterDocTitle="Chromosomal and reproductive features of some Oriental and Australasian scale insects (Homoptera, Coccinea)" masterLastPageNumber="352" masterPageNumber="339" pageNumber="339" updateTime="1668127365948" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Chromosomal and reproductive features of some Oriental and Australasian scale insects (Homoptera, Coccinea)</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Gavrilov-Zimin, Ilya A.</mods:namePart>
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<mods:affiliation>Zoological Institute, Russian Academy of Sciences, Universitetskaya nab. 1, St. Petersburg, 199034, Russia</mods:affiliation>
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<mods:nameIdentifier type="email">coccids@gmail.com</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>Comparative Cytogenetics</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2020</mods:date>
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<mods:detail type="volume">
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<mods:number>14</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>3</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>339</mods:start>
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<mods:end>352</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/CompCytogen.v14i3.53367</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/CompCytogen.v14i3.53367</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1993-078X-3-339</mods:identifier>
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<mods:identifier type="ZooBank">D2A1B8A1B2EE42518F3666B295BA1B73</mods:identifier>
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<mods:identifier type="Pensoft-UUID">2CD35BDCEE2B569795486A48059CE160</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="165843335" LSID="urn:lsid:plazi:treatment:15D6DA8230BA5345A1346EBD0121B8D2" httpUri="http://treatment.plazi.org/id/15D6DA8230BA5345A1346EBD0121B8D2" lastPageNumber="339" pageId="0" pageNumber="339">
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<subSubSection pageId="0" pageNumber="339" type="nomenclature">
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<paragraph pageId="0" pageNumber="339">
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<taxonomicName LSID="15D6DA82-30BA-5345-A134-6EBD0121B8D2" authority="Morrison, 1927" authorityName="Morrison" authorityYear="1927" class="Insecta" family="Margarodidae" genus="Steatococcus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Steatococcus samaraius" order="Hemiptera" pageId="0" pageNumber="339" phylum="Arthropoda" rank="species" species="samaraius">Steatococcus samaraius Morrison, 1927</taxonomicName>
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Embryonic cells and chromosomes of the studied species (Margarodidae, Pseudococcidae, Eriococcidae). a Steatococcus samaraius (2 n = 4) b Antonina parazonata (2 n = 30) c A. vietnamensis (2 n = 20) d Mollicoccus guadalcanalanus (2 n = 10) e Acanthococcus prope onukii (2 n = 16) f, g Gossypariella siamensis (2 n = 16). g Shows interphase cells of male embryos with a Lecanoid heterochromatinization of the paternal set of chromosomes (arrowed in each cell). Scale bars: 10 µm." httpUri="https://binary.pensoft.net/fig/433336" pageId="0" pageNumber="339">Figs 1a</figureCitation>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. General anatomy of the female (or female-like hermaphrodite in Steatococcus samaraius) reproductive system in the studied species (Margarodidae, Pseudococcidae, Eriococcidae)." httpUri="https://binary.pensoft.net/fig/433337" pageId="0" pageNumber="339">, 2</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="339" type="materials_examined">
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<paragraph pageId="0" pageNumber="339">Material.</paragraph>
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<paragraph pageId="0" pageNumber="339">
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K 922, Indonesia, Sulawesi, vicinity of Kendari, on twigs of undetermined bush, 10.XI.2011, I.A. Gavrilov-Zimin. K 1071, Malaysia, Borneo, Damai Peninsula, on inflorescences of palm tree (probably
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<taxonomicName class="Liliopsida" family="Arecaceae" genus="Areca" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Areca catechu" order="Arecales" pageId="0" pageNumber="339" phylum="Tracheophyta" rank="species" species="catechu">
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<emphasis italics="true" pageId="0" pageNumber="339">Areca catechu</emphasis>
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</taxonomicName>
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Linnaeus, 1753), 14.I.2013, I.A. Gavrilov-Zimin.
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</paragraph>
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<caption httpUri="https://binary.pensoft.net/fig/433336" pageId="0" pageNumber="339" start="Figure 1" startId="F1">
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<paragraph pageId="0" pageNumber="339">
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<emphasis bold="true" pageId="0" pageNumber="339">Figure 1.</emphasis>
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Embryonic cells and chromosomes of the studied species (
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<taxonomicName family="Margarodidae" lsidName="" pageId="0" pageNumber="339" rank="family">Margarodidae</taxonomicName>
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,
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<taxonomicName family="Pseudococcidae" lsidName="" pageId="0" pageNumber="339" rank="family">Pseudococcidae</taxonomicName>
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,
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<taxonomicName authorityName="Cockerell" authorityYear="1899" family="Eriococcidae" lsidName="" pageId="0" pageNumber="339" rank="family">Eriococcidae</taxonomicName>
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).
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<emphasis bold="true" pageId="0" pageNumber="339">a</emphasis>
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<taxonomicName authorityName="Morrison" authorityYear="1927" class="Insecta" family="Margarodidae" genus="Steatococcus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Steatococcus samaraius" order="Hemiptera" pageId="0" pageNumber="339" phylum="Arthropoda" rank="species" species="samaraius">
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<emphasis italics="true" pageId="0" pageNumber="339">Steatococcus samaraius</emphasis>
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</taxonomicName>
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(2n = 4)
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<emphasis bold="true" pageId="0" pageNumber="339">b</emphasis>
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<taxonomicName authorityName="Williams" authorityYear="2004" class="Insecta" family="Pseudococcidae" genus="Antonina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Antonina parazonata" order="Hemiptera" pageId="0" pageNumber="339" phylum="Arthropoda" rank="species" species="parazonata">
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<emphasis italics="true" pageId="0" pageNumber="339">Antonina parazonata</emphasis>
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</taxonomicName>
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(2n = 30)
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<emphasis bold="true" pageId="0" pageNumber="339">c</emphasis>
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<taxonomicName lsidName="A. vietnamensis" pageId="0" pageNumber="339" rank="species" species="vietnamensis">
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<emphasis italics="true" pageId="0" pageNumber="339">A. vietnamensis</emphasis>
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</taxonomicName>
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(2n = 20)
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<emphasis bold="true" pageId="0" pageNumber="339">d</emphasis>
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<taxonomicName authorityName="Williams" authorityYear="1960" class="Insecta" family="Pseudococcidae" genus="Mollicoccus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Mollicoccus guadalcanalanus" order="Hemiptera" pageId="0" pageNumber="339" phylum="Arthropoda" rank="species" species="guadalcanalanus">
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<emphasis italics="true" pageId="0" pageNumber="339">Mollicoccus guadalcanalanus</emphasis>
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</taxonomicName>
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(2n = 10)
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<emphasis bold="true" pageId="0" pageNumber="339">e</emphasis>
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<taxonomicName authority="onukii" authorityName="onukii (Kuwana" authorityYear="1902" class="Insecta" family="Eriococcidae" genus="Acanthococcus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acanthococcus onukii subsp. prope" order="Hemiptera" pageId="0" pageNumber="339" phylum="Arthropoda" rank="species" species="onukii">Acanthococcus prope onukii</taxonomicName>
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(2n = 16)
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<emphasis bold="true" pageId="0" pageNumber="339">f, g</emphasis>
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<taxonomicName baseAuthorityName="Takahashi" baseAuthorityYear="1942" class="Insecta" family="Eriococcidae" genus="Gossypariella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gossypariella siamensis" order="Hemiptera" pageId="0" pageNumber="339" phylum="Arthropoda" rank="species" species="siamensis">
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<emphasis italics="true" pageId="0" pageNumber="339">Gossypariella siamensis</emphasis>
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</taxonomicName>
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(2n = 16).
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<emphasis bold="true" pageId="0" pageNumber="339">g</emphasis>
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Shows interphase cells of male embryos with a Lecanoid heterochromatinization of the paternal set of chromosomes (arrowed in each cell). Scale bars: 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="339" type="new data">
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<paragraph pageId="0" pageNumber="339">New data.</paragraph>
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<paragraph pageId="0" pageNumber="339">
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2n = 4; hermaphroditism: the studied female-like ultimolarvae contain sperm bundles in the ovo-testicles. Early stages of embryogenesis (before anatrepsis) occur inside of ovary; then the eggs are laid in the marsupium, where the embryogenesis ends. Hermaphroditic reproductive system is generally similar to the usual female system in bisexual species of scale insects, but contains testicular parts, located between numerous ovarioles (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. General anatomy of the female (or female-like hermaphrodite in Steatococcus samaraius) reproductive system in the studied species (Margarodidae, Pseudococcidae, Eriococcidae)." httpUri="https://binary.pensoft.net/fig/433337" pageId="0" pageNumber="339">2</figureCitation>
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).
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</paragraph>
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<caption httpUri="https://binary.pensoft.net/fig/433337" pageId="0" pageNumber="339" start="Figure 2" startId="F2">
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<paragraph pageId="0" pageNumber="339">
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<emphasis bold="true" pageId="0" pageNumber="339">Figure 2.</emphasis>
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General anatomy of the female (or female-like hermaphrodite in
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<taxonomicName authorityName="Morrison" authorityYear="1927" class="Insecta" family="Margarodidae" genus="Steatococcus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Steatococcus samaraius" order="Hemiptera" pageId="0" pageNumber="339" phylum="Arthropoda" rank="species" species="samaraius">
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<emphasis italics="true" pageId="0" pageNumber="339">Steatococcus samaraius</emphasis>
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</taxonomicName>
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) reproductive system in the studied species (
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<taxonomicName family="Margarodidae" lsidName="" pageId="0" pageNumber="339" rank="family">Margarodidae</taxonomicName>
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,
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<taxonomicName family="Pseudococcidae" lsidName="" pageId="0" pageNumber="339" rank="family">Pseudococcidae</taxonomicName>
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,
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<taxonomicName authorityName="Cockerell" authorityYear="1899" family="Eriococcidae" lsidName="" pageId="0" pageNumber="339" rank="family">Eriococcidae</taxonomicName>
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).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="339" type="comments">
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<paragraph pageId="0" pageNumber="339">Comments.</paragraph>
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<paragraph pageId="0" pageNumber="339">
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Hermaphroditism is an exceptionally rare phenomenon in
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<taxonomicName authorityName="Ferris" authorityYear="1921" class="Insecta" lsidName="" pageId="0" pageNumber="339" rank="class">Insecta</taxonomicName>
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(see, for example,
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<bibRefCitation DOI="https://doi.org/10.1007/978-3-642-66069-6_14" author="Royer, M" editor="Reinboth, R" journalOrPublisher="Springer, Berlin, Heidelberg" pageId="0" pageNumber="339" pagination="135 - 145" refId="B24" refString="Royer, M, 1975. Hermaphroditism in Insects. Studies on Icerya purchasi. In: Reinboth, R, Ed., Intersexuality in the Animal Kingdom. Springer, Berlin, Heidelberg: 135 - 145, DOI: https://doi.org/10.1007/978-3-642-66069-6_14" title="Hermaphroditism in Insects. Studies on Icerya purchasi." url="https://doi.org/10.1007/978-3-642-66069-6_14" volumeTitle="Intersexuality in the Animal Kingdom." year="1975">Royer 1975</bibRefCitation>
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). Up to now hermaphroditic species are known for sure only in the scale insect tribe
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<taxonomicName lsidName="" pageId="0" pageNumber="339" rank="tribe" tribe="Iceryini">Iceryini</taxonomicName>
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(
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<taxonomicName family="Margarodidae" lsidName="" pageId="0" pageNumber="339" rank="family">Margarodidae</taxonomicName>
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:
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<taxonomicName family="Monophlebinae" lsidName="" pageId="0" pageNumber="339" rank="family">Monophlebinae</taxonomicName>
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) (
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<bibRefCitation DOI="https://doi.org/10.1016/S0065-2660(08)60468-X" author="Hughes-Schrader, S" journalOrPublisher="Advances in Genetics" pageId="0" pageNumber="339" pagination="127 - 203" refId="B18" refString="Hughes-Schrader, S, 1948. Cytology of coccids (Coccoidea - Homoptera). Advances in Genetics 2: 127 - 203, DOI: https://doi.org/10.1016/S0065-2660(08)60468-X" title="Cytology of coccids (Coccoidea - Homoptera)." url="https://doi.org/10.1016/S0065-2660(08)60468-X" volume="2" year="1948">Hughes-Schrader 1948</bibRefCitation>
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,
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<bibRefCitation author="Gavrilov, IA" journalOrPublisher="Israel Journal of Entomology" pageId="0" pageNumber="339" pagination="1 - 45" refId="B6" refString="Gavrilov, IA, 2007. A catalogue of chromosome numbers and genetic systems of scale insects (Homoptera: Coccinea) of the world. Israel Journal of Entomology 37: 1 - 45" title="A catalogue of chromosome numbers and genetic systems of scale insects (Homoptera: Coccinea) of the world." volume="37" year="2007">Gavrilov 2007</bibRefCitation>
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,
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<bibRefCitation DOI="https://doi.org/10.31610/zsr/2018.supl.2.1" author="Gavrilov-Zimin, IA" journalOrPublisher="Comparative Cytogenetics" pageId="0" pageNumber="339" refId="B29" refString="Gavrilov-Zimin, IA, 2018a. Ontogenesis, morphology and higher classification of archaecococcids (Homoptera: Coccinea: Orthezioidea). In: Zoosystematica Rossica (Supplementum 2)., DOI: https://doi.org/10.31610/zsr/2018.supl.2.1" title="Ontogenesis, morphology and higher classification of archaecococcids (Homoptera: Coccinea: Orthezioidea)." url="https://doi.org/10.31610/zsr/2018.supl.2.1" volumeTitle="Zoosystematica Rossica (Supplementum 2)." year="2018 a">Gavrilov-Zimin 2018a</bibRefCitation>
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). Previously, the presence of ovo-testicles in female-like diploid insects has been shown for
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<taxonomicName authorityName="De" authorityYear="1959" class="Insecta" family="Margarodidae" genus="Icerya" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Icerya bimaculata" order="Hemiptera" pageId="0" pageNumber="339" phylum="Arthropoda" rank="species" species="bimaculata">
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<emphasis italics="true" pageId="0" pageNumber="339">Icerya bimaculata</emphasis>
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</taxonomicName>
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De Lotto, 1959 (Hughes-Shrader 1963),
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<taxonomicName lsidName="I. multicicatrices" pageId="0" pageNumber="339" rank="species" species="multicicatrices">
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<emphasis italics="true" pageId="0" pageNumber="339">I. multicicatrices</emphasis>
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</taxonomicName>
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(Kondo & Unruh, 2009) (
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<bibRefCitation DOI="https://doi.org/10.31610/zsr/2018.supl.2.1" author="Gavrilov-Zimin, IA" journalOrPublisher="Comparative Cytogenetics" pageId="0" pageNumber="339" refId="B29" refString="Gavrilov-Zimin, IA, 2018a. Ontogenesis, morphology and higher classification of archaecococcids (Homoptera: Coccinea: Orthezioidea). In: Zoosystematica Rossica (Supplementum 2)., DOI: https://doi.org/10.31610/zsr/2018.supl.2.1" title="Ontogenesis, morphology and higher classification of archaecococcids (Homoptera: Coccinea: Orthezioidea)." url="https://doi.org/10.31610/zsr/2018.supl.2.1" volumeTitle="Zoosystematica Rossica (Supplementum 2)." year="2018 a">Gavrilov-Zimin 2018a</bibRefCitation>
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: 27, 190) and
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<taxonomicName lsidName="I. purchasi" pageId="0" pageNumber="339" rank="species" species="purchasi">
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<emphasis italics="true" pageId="0" pageNumber="339">I. purchasi</emphasis>
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</taxonomicName>
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Maskell, 1879 (Schrader and Hughes-Schrader 1926,
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<bibRefCitation DOI="https://doi.org/10.1007/978-3-642-66069-6_14" author="Royer, M" editor="Reinboth, R" journalOrPublisher="Springer, Berlin, Heidelberg" pageId="0" pageNumber="339" pagination="135 - 145" refId="B24" refString="Royer, M, 1975. Hermaphroditism in Insects. Studies on Icerya purchasi. In: Reinboth, R, Ed., Intersexuality in the Animal Kingdom. Springer, Berlin, Heidelberg: 135 - 145, DOI: https://doi.org/10.1007/978-3-642-66069-6_14" title="Hermaphroditism in Insects. Studies on Icerya purchasi." url="https://doi.org/10.1007/978-3-642-66069-6_14" volumeTitle="Intersexuality in the Animal Kingdom." year="1975">Royer 1975</bibRefCitation>
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). Closely related genus
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<taxonomicName authorityName="Ferris" authorityYear="1921" class="Insecta" family="Margarodidae" genus="Steatococcus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Steatococcus" order="Hemiptera" pageId="0" pageNumber="339" phylum="Arthropoda" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="339">Steatococcus</emphasis>
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</taxonomicName>
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Ferris, 1921 (18 species), which differs from
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<taxonomicName authorityName="Signoret" authorityYear="1875" class="Insecta" family="Margarodidae" genus="Icerya" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Icerya" order="Hemiptera" pageId="0" pageNumber="339" phylum="Arthropoda" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="339">Icerya</emphasis>
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</taxonomicName>
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Signoret, 1876 (45 species) by the presence of peculiar marsupium, was previously almost unstudied in respect of cytogenetics and reproductive biology, excluding the only American species,
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<taxonomicName lsidName="S. tuberculatus" pageId="0" pageNumber="339" rank="species" species="tuberculatus">
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<emphasis italics="true" pageId="0" pageNumber="339">S. tuberculatus</emphasis>
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</taxonomicName>
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Morrison, 1941. This species was investigated by Hughes-Schrader and Ris (1941) who found that it had 2n = 4 and reproduced bisexually with the appearance of haploid males via facultative parthenogenesis. Here, another species of the genus,
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<taxonomicName lsidName="S. samaraius" pageId="0" pageNumber="339" rank="species" species="samaraius">
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<emphasis italics="true" pageId="0" pageNumber="339">S. samaraius</emphasis>
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</taxonomicName>
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, a widely distributed Oriental and Australasian pest, was studied and the same chromosome number, 2n = 4, was discovered. However, males were totally absent in any populations of
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<taxonomicName lsidName="S. samaraius" pageId="0" pageNumber="339" rank="species" species="samaraius">
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<emphasis italics="true" pageId="0" pageNumber="339">S. samaraius</emphasis>
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</taxonomicName>
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, inspected by me in the different countries of the Oriental region and seem to have never been reported in the literature. The preparation of the mature females and larvae expectedly revealed a hermaphroditic condition of the reproductive system of
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<taxonomicName lsidName="S. samaraius" pageId="0" pageNumber="339" rank="species" species="samaraius">
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<emphasis italics="true" pageId="0" pageNumber="339">S. samaraius</emphasis>
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</taxonomicName>
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. Such a combination of hermaphroditism and haplo-diploidy in closely related species of one genus and even in different populations of the species (as is the case of
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<taxonomicName class="Insecta" family="Margarodidae" genus="Icerya" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Icerya purchasi" order="Hemiptera" pageId="0" pageNumber="339" phylum="Arthropoda" rank="species" species="purchasi">
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<emphasis italics="true" pageId="0" pageNumber="339">Icerya purchasi</emphasis>
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</taxonomicName>
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; Schrader & Hughes-Schrader 1926) is a peculiar feature of the tribe
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<taxonomicName lsidName="" pageId="0" pageNumber="339" rank="tribe" tribe="Iceryini">Iceryini</taxonomicName>
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(Hughes-Shrader, 1963,
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<bibRefCitation DOI="https://doi.org/10.31610/zsr/2018.supl.2.1" author="Gavrilov-Zimin, IA" journalOrPublisher="Comparative Cytogenetics" pageId="0" pageNumber="339" refId="B29" refString="Gavrilov-Zimin, IA, 2018a. Ontogenesis, morphology and higher classification of archaecococcids (Homoptera: Coccinea: Orthezioidea). In: Zoosystematica Rossica (Supplementum 2)., DOI: https://doi.org/10.31610/zsr/2018.supl.2.1" title="Ontogenesis, morphology and higher classification of archaecococcids (Homoptera: Coccinea: Orthezioidea)." url="https://doi.org/10.31610/zsr/2018.supl.2.1" volumeTitle="Zoosystematica Rossica (Supplementum 2)." year="2018 a">Gavrilov-Zimin 2018a</bibRefCitation>
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). Some authors (
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<bibRefCitation DOI="https://doi.org/10.1111/j.1365-3113.2007.00404.x" author="Unruh, CM" journalOrPublisher="Systematic Entomology" pageId="0" pageNumber="339" pagination="8 - 50" refId="B28" refString="Unruh, CM, Gullan, PJ, 2007. Molecular data reveal convergent reproductive strategies in iceryine scale insects (Hemiptera: Coccoidea: Monophlebidae), allowing the re-interpretation of morphology and a revised generic classification. Systematic Entomology 33: 8 - 50, DOI: https://doi.org/10.1111/j.1365-3113.2007.00404.x" title="Molecular data reveal convergent reproductive strategies in iceryine scale insects (Hemiptera: Coccoidea: Monophlebidae), allowing the re-interpretation of morphology and a revised generic classification." url="https://doi.org/10.1111/j.1365-3113.2007.00404.x" volume="33" year="2007">Unruh and Gullan 2007</bibRefCitation>
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) do not consider
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<taxonomicName authorityName="Ferris" authorityYear="1921" class="Insecta" family="Margarodidae" genus="Steatococcus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Steatococcus" order="Hemiptera" pageId="0" pageNumber="339" phylum="Arthropoda" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="339">Steatococcus</emphasis>
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</taxonomicName>
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as a separate genus and place its species either in the genus
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<taxonomicName authorityName="Signoret" authorityYear="1875" class="Insecta" family="Margarodidae" genus="Icerya" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Icerya" order="Hemiptera" pageId="0" pageNumber="339" phylum="Arthropoda" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="339">Icerya</emphasis>
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</taxonomicName>
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or in another related genus
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<taxonomicName class="Insecta" family="Margarodidae" genus="Crypticerya" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Crypticerya" order="Hemiptera" pageId="0" pageNumber="339" phylum="Arthropoda" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="339">Crypticerya</emphasis>
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</taxonomicName>
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Cockerell, 1895. However, such approach leads to the total overlapping of the generic diagnostic characters and to the practical impossibility of assigning newly described species to a certain genus (see
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<bibRefCitation DOI="https://doi.org/10.31610/zsr/2018.supl.2.1" author="Gavrilov-Zimin, IA" journalOrPublisher="Comparative Cytogenetics" pageId="0" pageNumber="339" refId="B29" refString="Gavrilov-Zimin, IA, 2018a. Ontogenesis, morphology and higher classification of archaecococcids (Homoptera: Coccinea: Orthezioidea). In: Zoosystematica Rossica (Supplementum 2)., DOI: https://doi.org/10.31610/zsr/2018.supl.2.1" title="Ontogenesis, morphology and higher classification of archaecococcids (Homoptera: Coccinea: Orthezioidea)." url="https://doi.org/10.31610/zsr/2018.supl.2.1" volumeTitle="Zoosystematica Rossica (Supplementum 2)." year="2018 a">Gavrilov-Zimin 2018a</bibRefCitation>
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: 174, 184,
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<bibRefCitation DOI="https://doi.org/10.1134/S0013873818070060" author="Gavrilov-Zimin, IA" journalOrPublisher="Entomological Review" pageId="0" pageNumber="339" pagination="865 - 867" refId="B13" refString="Gavrilov-Zimin, IA, Stekolshikov, AV, 2018. A new species of the genus Steatococcus Ferris, 1921 (Homoptera: Coccinea: Margarodidae) with some additions to fauna of Republic of Mali. Entomological Review 98 (7): 865 - 867, DOI: https://doi.org/10.1134/S0013873818070060" title="A new species of the genus Steatococcus Ferris, 1921 (Homoptera: Coccinea: Margarodidae) with some additions to fauna of Republic of Mali." url="https://doi.org/10.1134/S0013873818070060" volume="98" year="2018">Gavrilov-Zimin and Stekolshikov 2018</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |