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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1072.71307" ID-GBIF-Dataset="796ae285-4013-427c-be7e-0c39efe251b3" ID-Pensoft-Pub="1313-2970-1072-185" ID-Pensoft-UUID="93D2C64D1D025A37BAA0D1367D030C2B" ID-ZooBank="99A66CB2FE4B466CB6791B0589A50DFC" ModsDocID="1313-2970-1072-185" checkinTime="1637727079460" checkinUser="pensoft" docAuthor="Potapov, Mikhail, Deharveng, Louis &amp; Janion-Scheepers, Charlene" docDate="2021" docId="FA6E65F7465E5545A23A15E1F95B8A1A" docLanguage="en" docName="ZooKeys 1072: 185-204" docOrigin="ZooKeys 1072" docPubDate="2021-11-23" docSource="http://dx.doi.org/10.3897/zookeys.1072.71307" docTitle="Bagnallella Salmon 1951" docType="treatment" docVersion="4" id="93D2C64D1D025A37BAA0D1367D030C2B" lastPageNumber="185" masterDocId="93D2C64D1D025A37BAA0D1367D030C2B" masterDocTitle="Taxonomy of the Proisotoma complex. VI. Rediscovery of the genus Bagnallella Salmon, 1951 and epitoky in Bagnallella davidi (Barra, 2001), comb. nov. from South Africa" masterLastPageNumber="204" masterPageNumber="185" pageNumber="185" updateTime="1637732829448" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Taxonomy of the Proisotoma complex. VI. Rediscovery of the genus Bagnallella Salmon, 1951 and epitoky in Bagnallella davidi (Barra, 2001), comb. nov. from South Africa</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Potapov, Mikhail</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-6111-3354</mods:nameIdentifier>
<mods:affiliation>Moscow State Pedagogical University, Kibalchicha str., 6, korp. 3, Moscow, 129278, Russia</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Deharveng, Louis</mods:namePart>
<mods:affiliation>Institut de Systematique, Evolution, Biodiversite, ISYEB-UMR 7205 - CNRS, MNHN, UPMC, EPHE, Museum national d'Histoire naturelle, Sorbonne Universites, 45 rue Buffon, CP 50, F- 75005 Paris, France</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Janion-Scheepers, Charlene</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5942-7912</mods:nameIdentifier>
<mods:affiliation>University of Cape Town, Department of Biological Sciences, Rondebosch, 7701, Private Bag x 3, South Africa &amp; Iziko Museums of South Africa, Cape Town, 8000, South Africa</mods:affiliation>
<mods:nameIdentifier type="email">cjanion@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2021</mods:date>
<mods:detail type="pubDate">
<mods:number>2021-11-23</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>1072</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>185</mods:start>
<mods:end>204</mods:end>
</mods:extent>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.1072.71307</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1072.71307</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-1072-185</mods:identifier>
<mods:identifier type="ZooBank">99A66CB2FE4B466CB6791B0589A50DFC</mods:identifier>
<mods:identifier type="Pensoft-UUID">93D2C64D1D025A37BAA0D1367D030C2B</mods:identifier>
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<treatment ID-GBIF-Taxon="190652259" LSID="urn:lsid:plazi:treatment:FA6E65F7465E5545A23A15E1F95B8A1A" httpUri="http://treatment.plazi.org/id/FA6E65F7465E5545A23A15E1F95B8A1A" lastPageNumber="185" pageId="0" pageNumber="185">
<subSubSection pageId="0" pageNumber="185" type="nomenclature">
<paragraph pageId="0" pageNumber="185">
<taxonomicName LSID="FA6E65F7-465E-5545-A23A-15E1F95B8A1A" authority="Salmon, 1951" authorityName="Salmon" authorityYear="1951" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">Bagnallella Salmon, 1951</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="185" type="type species">
<paragraph pageId="0" pageNumber="185">Type species.</paragraph>
<paragraph pageId="0" pageNumber="185">
<taxonomicName class="Collembola" family="Isotomidae" genus="Folsomia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Folsomia sedecemoculata" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Sedecemoculata">
<emphasis italics="true" pageId="0" pageNumber="185">Folsomia sedecemoculata</emphasis>
</taxonomicName>
Salmon, 1943
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="185" type="diagnosis">
<paragraph pageId="0" pageNumber="185">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="185">
<taxonomicName authorityName="Borner C" authorityYear="1901" lsidName="" pageId="0" pageNumber="185" rank="subFamily" subFamily="Anurophorinae">Anurophorinae</taxonomicName>
with all abdominal segments clearly separated and a
<taxonomicName authorityName="Borner" authorityYear="1901" class="Collembola" family="Isotomidae" genus="Proisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proisotoma" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Proisotoma</emphasis>
</taxonomicName>
-like furca: manubrium with few anterior chaetae (1+1-3+3), dens slender, crenulated, with rather numerous anterior and posterior chaetae, mucro clearly set off from dens, with two or three teeth. 7+7-8+8 ocelli in known species. With simple or bifurcate maxillary palp and four sublobal hairs, two or four prelabral chaetae. Macro s-chaetae 22235 on Abd.I-V. Tergal macro s-chaetae on abdomen situated in front of p-row of chaetae. B-row of chaetae on Ti.1-2 complete (both B4 and B5 present). Ventral chaetae on Th.III present or absent. Sexual dimorphism present or absent.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="185" type="position of the genus in the subfamily anurophorinae">
<paragraph pageId="0" pageNumber="185">
Position of the genus in the subfamily
<taxonomicName authorityName="Borner C" authorityYear="1901" lsidName="" pageId="0" pageNumber="185" rank="subFamily" subFamily="Anurophorinae">Anurophorinae</taxonomicName>
.
</paragraph>
<paragraph pageId="0" pageNumber="185">
To date an appropriate generic name did not exist for the small group species related to
<taxonomicName authorityName="Borner" authorityYear="1901" class="Collembola" family="Isotomidae" genus="Proisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proisotoma" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Proisotoma</emphasis>
</taxonomicName>
<normalizedToken originalValue="Börner">Boerner</normalizedToken>
, 1901 sensu lato which were discussed in the monograph of
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.1382.1.1" author="Potapov, M" journalOrPublisher="Zootaxa" pageId="0" pageNumber="185" pagination="1 - 74" refId="B27" refString="Potapov, M, Babenko, A, Fjellberg, A, 2006. Taxonomy of the Proisotoma complex. Redefinition of genera and description of new species of Scutisotoma and Weberacantha (Collembola, Isotomidae). Zootaxa 1382: 1 - 74, DOI: https://doi.org/10.11646/zootaxa.1382.1.1" title="Taxonomy of the Proisotoma complex. Redefinition of genera and description of new species of Scutisotoma and Weberacantha (Collembola, Isotomidae)." url="https://doi.org/10.11646/zootaxa.1382.1.1" volume="1382" year="2006">Potapov et al. (2006)</bibRefCitation>
. This group, so-called &quot;
<taxonomicName authorityName="Potapov &amp; Deharveng &amp; Janion-Scheepers" authorityYear="2021" baseAuthorityName="Potapov &amp; Deharveng &amp; Janion-Scheepers" baseAuthorityYear="2021" class="Collembola" family="Isotomidae" genus="Proisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proisotoma tenella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Tenella">
<emphasis italics="true" pageId="0" pageNumber="185">Proisotoma tenella</emphasis>
</taxonomicName>
,
<taxonomicName authorityName="Potapov &amp; Deharveng &amp; Janion-Scheepers" authorityYear="2021" baseAuthorityName="Potapov &amp; Deharveng &amp; Janion-Scheepers" baseAuthorityYear="2021" class="Collembola" family="Isotomidae" genus="Proisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proisotoma ripicola" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Ripicola">
<emphasis italics="true" pageId="0" pageNumber="185">Proisotoma ripicola</emphasis>
</taxonomicName>
,
<taxonomicName authorityName="Potapov &amp; Deharveng &amp; Janion-Scheepers" authorityYear="2021" baseAuthorityName="Potapov &amp; Deharveng &amp; Janion-Scheepers" baseAuthorityYear="2021" class="Collembola" family="Isotomidae" genus="Proisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proisotoma biseta" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Biseta">
<emphasis italics="true" pageId="0" pageNumber="185">Proisotoma biseta</emphasis>
</taxonomicName>
&quot;, consists of forms sharing characters such as: the three last abdominal segments separated, manubrium with anterior chaetae, four prelabral chaetae, and presence of three and five s-chaetae on Abd.IV and V, respectively.
</paragraph>
<paragraph pageId="0" pageNumber="185">
Recently, one more species,
<taxonomicName class="Collembola" family="Isotomidae" genus="Proisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proisotoma sedecimoculata" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Sedecimoculata">
<emphasis italics="true" pageId="0" pageNumber="185">Proisotoma sedecimoculata</emphasis>
</taxonomicName>
(Salmon, 1943), became a probable candidate to belong to this group (
<bibRefCitation author="Potapov, M" journalOrPublisher="Zootaxa" pageId="0" pageNumber="185" refId="B30" refString="Potapov, M, Janion-Scheepers, C, 2017. A review of Salmon's Folsomia types from New Zealand (Collembola). New Zealand Entomologist: Vol.40: 1-7." title="A review of Salmon's Folsomia types from New Zealand (Collembola). New Zealand Entomologist: Vol. 40: 1 - 7." year="2017">Potapov and Janion-Scheepers 2017</bibRefCitation>
). This species was described by
<bibRefCitation author="Salmon, JT" journalOrPublisher="Transactions and Proceedings of the Royal Society of New Zealand" pageId="0" pageNumber="185" pagination="73 - 75" refId="B36" refString="Salmon, JT, 1943. The genus Folsomia (Collembola) in New Zealand. Transactions and Proceedings of the Royal Society of New Zealand 73: 73 - 75" title="The genus Folsomia (Collembola) in New Zealand." volume="73" year="1943">Salmon (1943)</bibRefCitation>
as
<taxonomicName authorityName="Salmon, JT" authorityYear="1943" class="Collembola" family="Isotomidae" genus="Folsomia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Folsomia sedecimoculata" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Sedecimoculata">
<emphasis italics="true" pageId="0" pageNumber="185">Folsomia sedecimoculata</emphasis>
</taxonomicName>
and was afterwards proposed as a generotype for the new genus
<taxonomicName authorityName="Salmon" authorityYear="1951" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella</emphasis>
</taxonomicName>
Salmon, 1951.
<taxonomicName authorityName="Salmon" authorityYear="1951" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella</emphasis>
</taxonomicName>
was erected based on three last abdominal segments fused, bidentate mucro and eight ocelli. Later,
<taxonomicName authorityName="Salmon" authorityYear="1951" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella</emphasis>
</taxonomicName>
was lost in the taxonomy of the subfamily and was mostly treated as a junior synonym of either
<taxonomicName authorityName="Willem" authorityYear="1902" class="Collembola" family="Isotomidae" genus="Folsomia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Folsomia" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Folsomia</emphasis>
</taxonomicName>
or
<taxonomicName authorityName="Borner" authorityYear="1901" class="Collembola" family="Isotomidae" genus="Proisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proisotoma" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Proisotoma</emphasis>
</taxonomicName>
. After the examination of the type specimen, it was discovered that the three last abdominal segments were actually separated (
<bibRefCitation author="Potapov, M" journalOrPublisher="Zootaxa" pageId="0" pageNumber="185" refId="B30" refString="Potapov, M, Janion-Scheepers, C, 2017. A review of Salmon's Folsomia types from New Zealand (Collembola). New Zealand Entomologist: Vol.40: 1-7." title="A review of Salmon's Folsomia types from New Zealand (Collembola). New Zealand Entomologist: Vol. 40: 1 - 7." year="2017">Potapov and Janion-Scheepers 2017</bibRefCitation>
). Here, we suggest restoring
<taxonomicName authorityName="Salmon" authorityYear="1951" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella</emphasis>
</taxonomicName>
for the group of species mentioned above, rather than erecting a new generic name. Several other forms described under different generic names also fit to
<taxonomicName authorityName="Salmon" authorityYear="1951" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella</emphasis>
</taxonomicName>
at lesser or larger degree of accuracy. For these species, the two
<taxonomicName authorityName="Salmon" authorityYear="1951" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella</emphasis>
</taxonomicName>
key characters were mentioned in the associated descriptions or were seen by us, apart from three forms with unknown sensillar chaetotaxy. Nevertheless, we suppose the last ones (notated with question marks in the list of species of
<taxonomicName authorityName="Salmon" authorityYear="1951" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella</emphasis>
</taxonomicName>
below) belong to the genus. Among these species,
<taxonomicName baseAuthorityName="Salmon" baseAuthorityYear="1943" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella sedecimoculata" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Sedecimoculata">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella sedecimoculata</emphasis>
</taxonomicName>
is poorly described and so is not the best to be a generotype, but we prefer to keep a generic name already created by John Salmon.
</paragraph>
<paragraph pageId="0" pageNumber="185">
The incertae sedis genus
<taxonomicName authorityName="Salmon" authorityYear="1951" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella</emphasis>
</taxonomicName>
combines the characters of two large generic groups by the separation of its two last abdominal segments and the presence of three and five s-chaetae on Abd.IV and V respectively in characteristic position. The former character is a diagnostic feature of the
<taxonomicName authorityName="Borner" authorityYear="1901" class="Collembola" family="Isotomidae" genus="Proisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proisotoma" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Proisotoma</emphasis>
</taxonomicName>
<normalizedToken originalValue="Börner">Boerner</normalizedToken>
, 1901 complex, the latter indicates basic set of s-chaetae in
<taxonomicName authorityName="Willem, V" authorityYear="1901" class="Collembola" family="Isotomidae" genus="Cryptopygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cryptopygus" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Cryptopygus</emphasis>
</taxonomicName>
Willem, 1902 and related genera belonging to
<taxonomicName authorityName="Willem, V" authorityYear="1901" class="Collembola" family="Isotomidae" genus="Cryptopygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cryptopygus" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Cryptopygus</emphasis>
</taxonomicName>
complex (
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.1382.1.1" author="Potapov, M" journalOrPublisher="Zootaxa" pageId="0" pageNumber="185" pagination="1 - 74" refId="B27" refString="Potapov, M, Babenko, A, Fjellberg, A, 2006. Taxonomy of the Proisotoma complex. Redefinition of genera and description of new species of Scutisotoma and Weberacantha (Collembola, Isotomidae). Zootaxa 1382: 1 - 74, DOI: https://doi.org/10.11646/zootaxa.1382.1.1" title="Taxonomy of the Proisotoma complex. Redefinition of genera and description of new species of Scutisotoma and Weberacantha (Collembola, Isotomidae)." url="https://doi.org/10.11646/zootaxa.1382.1.1" volume="1382" year="2006">Potapov et al. 2006</bibRefCitation>
,
<bibRefCitation DOI="https://doi.org/10.3897/zookeys.304.4083" author="Potapov, M" journalOrPublisher="ZooKeys" pageId="0" pageNumber="185" pagination="1 - 16" refId="B28" refString="Potapov, M, Gao, Y, Deharveng, L, 2013. Taxonomy of the Cryptopygus complex. I. Pauropygus -a new worldwide littoral genus (Collembola, Isotomidae). ZooKeys 304: 1 - 16, DOI: https://doi.org/10.3897/zookeys.304.4083" title="Taxonomy of the Cryptopygus complex. I. Pauropygus - a new worldwide littoral genus (Collembola, Isotomidae)." url="https://doi.org/10.3897/zookeys.304.4083" volume="304" year="2013">2013</bibRefCitation>
,
<bibRefCitation DOI="https://doi.org/10.3897/zookeys.945.51860" author="Potapov, MB" journalOrPublisher="ZooKeys" pageId="0" pageNumber="185" pagination="99 - 127" refId="B31" refString="Potapov, MB, Janion-Scheepers, C, Deharveng, L, 2020. Taxonomy of the Cryptopygus complex. III. The revision of South African species of Cryptopygus and Isotominella (Collembola, Isotomidae). ZooKeys 945: 99 - 127, DOI: https://doi.org/10.3897/zookeys.945.51860" title="Taxonomy of the Cryptopygus complex. III. The revision of South African species of Cryptopygus and Isotominella (Collembola, Isotomidae)." url="https://doi.org/10.3897/zookeys.945.51860" volume="945" year="2020">2020</bibRefCitation>
). The latter complex is characterized by the fusion of the two last abdominal segments. The genus
<taxonomicName authorityName="Salmon" authorityYear="1951" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella</emphasis>
</taxonomicName>
takes a neatly intermediate position between
<taxonomicName authorityName="Willem, V" authorityYear="1901" class="Collembola" family="Isotomidae" genus="Cryptopygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cryptopygus" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Cryptopygus</emphasis>
</taxonomicName>
(
<taxonomicName authorityName="Willem, V" authorityYear="1901" class="Collembola" family="Isotomidae" genus="Cryptopygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cryptopygus" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Cryptopygus</emphasis>
</taxonomicName>
complex, Southern Hemisphere) and
<taxonomicName authorityName="Bagnall, RS" authorityYear="1949" class="Collembola" family="Isotomidae" genus="Scutisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Scutisotoma" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Scutisotoma</emphasis>
</taxonomicName>
(
<taxonomicName authorityName="Borner" authorityYear="1901" class="Collembola" family="Isotomidae" genus="Proisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proisotoma" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Proisotoma</emphasis>
</taxonomicName>
complex, Northern Hemisphere). The three genera share, apart from the characters of the subfamily, the presence of a furca, a mid-tergal position of macro s-chaetae on body tergites, and the absence of any specific apomorphy. The combinations of the two key characters mentioned above are shown in Figure
<figureCitation captionStart="Figures 1–4" captionStartId="F1" captionText="Figures 1 - 4. S-patterns of Abd. IV-VI in the genera Cryptopygus Bagnallella and Scutisotoma (1) B. sedecimoculata (2) and B. dubia (3, 4) 2, 3 furca, anterior view 4 macrochaetae and s and ms-chaetae on body. s = s-chaetae, ms = ms-chaetae." figureDoi="10.3897/zookeys.1072.71307.figures1-4" httpUri="https://binary.pensoft.net/fig/614138" pageId="0" pageNumber="185">1</figureCitation>
. After the separation of the two last abdominal segments, we suggest treating
<taxonomicName authorityName="Salmon" authorityYear="1951" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella</emphasis>
</taxonomicName>
in the
<taxonomicName authorityName="Borner" authorityYear="1901" class="Collembola" family="Isotomidae" genus="Proisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proisotoma" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Proisotoma</emphasis>
</taxonomicName>
complex.
</paragraph>
<caption doi="10.3897/zookeys.1072.71307.figures1-4" httpUri="https://binary.pensoft.net/fig/614138" pageId="0" pageNumber="185" start="Figures 1–4" startId="F1">
<paragraph pageId="0" pageNumber="185">
<emphasis bold="true" pageId="0" pageNumber="185">Figures 1-4.</emphasis>
S-patterns of Abd. IV-VI in the genera
<emphasis italics="true" pageId="0" pageNumber="185">
<taxonomicName authorityName="Willem, V" authorityYear="1901" class="Collembola" family="Isotomidae" genus="Cryptopygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cryptopygus" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">Cryptopygus</taxonomicName>
<taxonomicName authorityName="Salmon" authorityYear="1951" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">Bagnallella</taxonomicName>
</emphasis>
and
<taxonomicName authorityName="Bagnall, RS" authorityYear="1949" class="Collembola" family="Isotomidae" genus="Scutisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Scutisotoma" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Scutisotoma</emphasis>
</taxonomicName>
(
<emphasis bold="true" pageId="0" pageNumber="185">1</emphasis>
)
<taxonomicName class="Collembola" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="B. sedecimoculata" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Sedecimoculata">
<emphasis italics="true" pageId="0" pageNumber="185">B. sedecimoculata</emphasis>
</taxonomicName>
(
<emphasis bold="true" pageId="0" pageNumber="185">2</emphasis>
) and
<taxonomicName class="Collembola" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="B. dubia" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Dubia">
<emphasis italics="true" pageId="0" pageNumber="185">B. dubia</emphasis>
</taxonomicName>
(
<emphasis bold="true" pageId="0" pageNumber="185">3, 4</emphasis>
)
<emphasis bold="true" pageId="0" pageNumber="185">2, 3</emphasis>
furca, anterior view
<emphasis bold="true" pageId="0" pageNumber="185">4</emphasis>
macrochaetae and s and ms-chaetae on body. s = s-chaetae, ms = ms-chaetae.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="185" type="distribution">
<paragraph pageId="0" pageNumber="185">Distribution and ecology of</paragraph>
<paragraph pageId="0" pageNumber="185">
<emphasis bold="true" pageId="0" pageNumber="185">
<taxonomicName authorityName="Salmon" authorityYear="1951" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella</emphasis>
</taxonomicName>
.
</emphasis>
The genus is distributed worldwide. More local species (
<taxonomicName class="Collembola" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="B. davidi" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Davidi">
<emphasis italics="true" pageId="0" pageNumber="185">B. davidi</emphasis>
</taxonomicName>
,
<taxonomicName class="Collembola" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="B. douglasi" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Douglasi">
<emphasis italics="true" pageId="0" pageNumber="185">B. douglasi</emphasis>
</taxonomicName>
,
<taxonomicName class="Collembola" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="B. mishai" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Mishai">
<emphasis italics="true" pageId="0" pageNumber="185">B. mishai</emphasis>
</taxonomicName>
,
<taxonomicName class="Collembola" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="B. biseta" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Biseta">
<emphasis italics="true" pageId="0" pageNumber="185">B. biseta</emphasis>
</taxonomicName>
,
<taxonomicName class="Collembola" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="B. koepckei" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Koepckei">
<emphasis italics="true" pageId="0" pageNumber="185">B. koepckei</emphasis>
</taxonomicName>
) are distributed in the Southern Hemisphere that indicates further relation to the
<normalizedToken originalValue="“austral”">&quot;austral&quot;</normalizedToken>
genus
<taxonomicName authorityName="Willem, V" authorityYear="1901" class="Collembola" family="Isotomidae" genus="Cryptopygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cryptopygus" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Cryptopygus</emphasis>
</taxonomicName>
. Due to apparent ruderal
<taxonomicName class="Collembola" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="B. tenella" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Tenella">
<emphasis italics="true" pageId="0" pageNumber="185">B. tenella</emphasis>
</taxonomicName>
and pioneer
<taxonomicName class="Collembola" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="B. ripicola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Ripicola">
<emphasis italics="true" pageId="0" pageNumber="185">B. ripicola</emphasis>
</taxonomicName>
, the genus also occurs in the Northern Hemisphere. The ecology of the former species is especially remarkable, as
<taxonomicName class="Collembola" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="B. tenella" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Tenella">
<emphasis italics="true" pageId="0" pageNumber="185">B. tenella</emphasis>
</taxonomicName>
is often recorded in mass abundances (
<bibRefCitation author="Agrell, I" journalOrPublisher="Opuscula Entomologica" pageId="0" pageNumber="185" pagination="159 - 168" refId="B1" refString="Agrell, I, 1939. Zur Kenntnis der schwedischen Collembolen mit Beschreibung von vier neuen Arten und einigen Varietaeten. Opuscula Entomologica 1939: 159 - 168" title="Zur Kenntnis der schwedischen Collembolen mit Beschreibung von vier neuen Arten und einigen Varietaeten." volume="1939" year="1939">Agrell 1939</bibRefCitation>
; Arle 1970;
<bibRefCitation author="Neves, ACR" journalOrPublisher="Universidade Federal do Estado do Rio de Janeiro, Rio de Janeiro" pageId="0" pageNumber="185" refId="B26" refString="Neves, ACR, Mendonca, MC, 2016. Recaracterizacao da especie Proisotoma tenella (Reuter, 1895) (Collembola: Isotomidae) In: Da-Silva ER, Passos MIS, Aguiar VM, Lessa CSS and Coelho LBN (Eds), Anais do III Simposio de Entomologia do Rio de Janeiro. Universidade Federal do Estado do Rio de Janeiro, Rio de Janeiro" title="Recaracterizacao da especie Proisotoma tenella (Reuter, 1895) (Collembola: Isotomidae) In: Da-Silva ER, Passos MIS, Aguiar VM, Lessa CSS and Coelho LBN (Eds), Anais do III Simposio de Entomologia do Rio de Janeiro." year="2016">
Neves and
<normalizedToken originalValue="Mendonça">Mendonca</normalizedToken>
2016
</bibRefCitation>
). We speculate that
<taxonomicName class="Collembola" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="B. davidi" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Davidi">
<emphasis italics="true" pageId="0" pageNumber="185">B. davidi</emphasis>
</taxonomicName>
has an unusual biology and ecology due to its morphological modifications (described below).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="185" type="world list of the genus">
<paragraph pageId="0" pageNumber="185">World list of the genus</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="185" type="bagnallella">
<paragraph pageId="0" pageNumber="185">
<taxonomicName authorityName="Salmon" authorityYear="1951" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella</emphasis>
</taxonomicName>
</paragraph>
<paragraph pageId="0" pageNumber="185">
<taxonomicName authorityName="Potapov &amp; Deharveng &amp; Janion-Scheepers" authorityYear="2021" baseAuthorityName="Rapoport" baseAuthorityYear="1963" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella biseta" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Biseta">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella biseta</emphasis>
</taxonomicName>
(Rapoport, 1963), comb. nov.
</paragraph>
<paragraph pageId="0" pageNumber="185">
<taxonomicName authorityName="Potapov &amp; Deharveng &amp; Janion-Scheepers" authorityYear="2021" baseAuthorityName="Barra" baseAuthorityYear="2001" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella davidi" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Davidi">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella davidi</emphasis>
</taxonomicName>
(Barra, 2001), comb. nov.
</paragraph>
<paragraph pageId="0" pageNumber="185">
<taxonomicName authorityName="Potapov &amp; Deharveng &amp; Janion-Scheepers" authorityYear="2021" baseAuthorityName="Deharveng" baseAuthorityYear="1981" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella dubia" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Dubia">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella dubia</emphasis>
</taxonomicName>
(Deharveng, 1981), comb. nov.
</paragraph>
<paragraph pageId="0" pageNumber="185">
<taxonomicName authorityName="Potapov &amp; Deharveng &amp; Janion-Scheepers" authorityYear="2021" baseAuthorityName="Mendonca, Queiroz &amp; Silveira" baseAuthorityYear="2015" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella douglasi" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Douglasi">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella douglasi</emphasis>
</taxonomicName>
(
<normalizedToken originalValue="Mendonça">Mendonca</normalizedToken>
, Queiroz &amp; Silveira, 2015), comb. nov.
</paragraph>
<paragraph pageId="0" pageNumber="185">
?
<taxonomicName class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella koepckei" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Koepckei">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella koepckei</emphasis>
</taxonomicName>
(Winter, 1967), comb. nov.
</paragraph>
<paragraph pageId="0" pageNumber="185">
<taxonomicName authorityName="Potapov &amp; Deharveng &amp; Janion-Scheepers" authorityYear="2021" baseAuthorityName="Mendonca &amp; Silveira" baseAuthorityYear="2019" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella mishai" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Mishai">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella mishai</emphasis>
</taxonomicName>
(
<normalizedToken originalValue="Mendonça">Mendonca</normalizedToken>
et Silveira, 2019), comb. nov.
</paragraph>
<paragraph pageId="0" pageNumber="185">
?
<taxonomicName class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella nigromaculosa" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Nigromaculosa">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella nigromaculosa</emphasis>
</taxonomicName>
(Folsom, 1932), comb. nov.
</paragraph>
<paragraph pageId="0" pageNumber="185">
?
<taxonomicName class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella paronai" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Paronai">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella paronai</emphasis>
</taxonomicName>
(
<normalizedToken originalValue="Börner">Boerner</normalizedToken>
, 1907), comb. nov.
</paragraph>
<paragraph pageId="0" pageNumber="185">
<taxonomicName authorityName="Potapov &amp; Deharveng &amp; Janion-Scheepers" authorityYear="2021" baseAuthorityName="Linnaniemi" baseAuthorityYear="1912" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella ripicola" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Ripicola">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella ripicola</emphasis>
</taxonomicName>
(Linnaniemi, 1912), comb. nov.
</paragraph>
<paragraph pageId="0" pageNumber="185">
<taxonomicName baseAuthorityName="Salmon" baseAuthorityYear="1943" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella sedecimoculata" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Sedecimoculata">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella sedecimoculata</emphasis>
</taxonomicName>
(Salmon, 1943), comb. nov.
</paragraph>
<paragraph pageId="0" pageNumber="185">
<taxonomicName authorityName="Potapov &amp; Deharveng &amp; Janion-Scheepers" authorityYear="2021" baseAuthorityName="Reuter" baseAuthorityYear="1895" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella tenella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="species" species="Tenella">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella tenella</emphasis>
</taxonomicName>
(Reuter, 1895), comb. nov.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="185" type="description">
<paragraph pageId="0" pageNumber="185">Descriptions and remarks to species of the genus.</paragraph>
<paragraph pageId="0" pageNumber="185">
Below we give the diagnosis, description, remarks, and distribution, with, if possible, ecological remarks of all species of
<taxonomicName authorityName="Salmon" authorityYear="1951" class="Collembola" genus="Bagnallella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Bagnallella" order="Collembola" pageId="0" pageNumber="185" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="185">Bagnallella</emphasis>
</taxonomicName>
. Some sections may be omitted if the associated species have good morphological descriptions in the literature.
</paragraph>
</subSubSection>
</treatment>
</document>
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