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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.304.4083" ID-GBIF-Dataset="739939ef-8f40-4c10-bc99-adbb29cb6570" ID-PMC="PMC3689120" ID-Pensoft-Pub="1313-2970-304-1" ID-PubMed="23794906" ModsDocAuthor="" ModsDocDate="2013" ModsDocID="1313-2970-304-1" ModsDocOrigin="ZooKeys 304" ModsDocTitle="Taxonomy of the Cryptopygus complex. I. Pauropygus - a new worldwide littoral genus (Collembola, Isotomidae)" checkinTime="1451247262688" checkinUser="pensoft" docAuthor="Potapov, Mikhail, Gao, Yan &amp; Deharveng, Louis" docDate="2013" docId="365B3895F153730A921D496BD070F427" docLanguage="en" docName="ZooKeys 304: 1-16" docOrigin="ZooKeys 304" docSource="http://dx.doi.org/10.3897/zookeys.304.4083" docTitle="Pauropygus pacificus Potapov, Gao &amp; Deharveng, 2013, sp. n." docType="treatment" docVersion="4" lastPageNumber="13" masterDocId="FF9D5548FFA7FFC4673DFFE9F73FFFE3" masterDocTitle="Taxonomy of the Cryptopygus complex. I. Pauropygus - a new worldwide littoral genus (Collembola, Isotomidae)" masterLastPageNumber="16" masterPageNumber="1" pageNumber="10" updateTime="1668155876689" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Taxonomy of the Cryptopygus complex. I. Pauropygus - a new worldwide littoral genus (Collembola, Isotomidae)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Potapov, Mikhail</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Gao, Yan</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Deharveng, Louis</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2013</mods:date>
<mods:detail type="volume">
<mods:number>304</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1</mods:start>
<mods:end>16</mods:end>
</mods:extent>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.304.4083</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.304.4083</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-304-1</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="152044412" LSID="urn:lsid:zoobank.org:act:AA6C41A0-CEAE-4961-B9EB-CC8AAB3B813C" httpUri="http://treatment.plazi.org/id/365B3895F153730A921D496BD070F427" lastPageId="12" lastPageNumber="13" pageId="9" pageNumber="10">
<subSubSection pageId="9" pageNumber="10" type="nomenclature">
<paragraph pageId="9" pageNumber="10">
<taxonomicName LSID="urn:lsid:zoobank.org:act:AA6C41A0-CEAE-4961-B9EB-CC8AAB3B813C" class="Collembola" family="Isotomidae" genus="Pauropygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pauropygus pacificus" order="Entomobryomorpha" pageId="9" pageNumber="10" phylum="Arthropoda" rank="species" species="pacificus">Pauropygus pacificus</taxonomicName>
<taxonomicNameLabel pageId="9" pageNumber="10">sp. n.</taxonomicNameLabel>
Figs 21-24
</paragraph>
</subSubSection>
<subSubSection pageId="9" pageNumber="10" type="material">
<paragraph pageId="9" pageNumber="10">Material.</paragraph>
<paragraph pageId="9" pageNumber="10">Holotype: China, Shandong Province, Yantey City, sea coast near Tuchengzi Hills, sandy beach, collected by flotation of thin sand under sparse vegetation on dunes, 22.04.2011, leg. Huang C.-W., Luan Y., and Potapov M.B.; 3 paratypes: at the same place; 2 paratypes: China, Hainan, western coast, nearby Changhua town and ca 5 km NE from the town, in both locations by flotation of sand with plant roots in dunes of sea coast, leg. Bu Y., Huang C.-W., Kuznetsova N.A., Potapov M.B. 06.04.2011. Material is deposited in Institute of Plant Physiology &amp; Ecology, Shanghai (holotype and two paratypes) andin Moscow State Pedagogical University (three paratypes).</paragraph>
</subSubSection>
<subSubSection lastPageId="10" lastPageNumber="11" pageId="9" pageNumber="10" type="description">
<paragraph pageId="9" pageNumber="10">Description.</paragraph>
<paragraph pageId="9" pageNumber="10">
Size about 0.4 mm. White, without eyes. Cuticle smooth. PAO about 1.7 as long as inner edge of U.III and somewhat shorter (0.8-0.9) than width of Ant.I. Outer (Fig. 23) and inner mouthparts principally as in
<taxonomicName class="Collembola" family="Isotomidae" genus="Pauropygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pauropygus caussaneli" order="Entomobryomorpha" pageId="9" pageNumber="10" phylum="Arthropoda" rank="species" species="caussaneli">Pauropygus caussaneli</taxonomicName>
. Ventral side of head with 5+5 postlabial chaetae. Ant.I with about 18 chaetae, 1 ventro-basal (bms) microchaeta (dorsal bms not differentiated), and 2 thick ventral sensilla (s), short and long. Ant.II with 3 bms and 1 thick laterodistal s. Ant.III without bms and with 5 distal s of which two inner thicker and longer than outer ones. Male antennal
<normalizedToken originalValue="“spurs”">&quot;spurs&quot;</normalizedToken>
present.
</paragraph>
<paragraph pageId="9" pageNumber="10">Thorax without ventral chaetae. Dorsal macrochaetae smooth, weakly differentiated, as 3,3,3,4 on Abd.I-IV. Medial macrochaetae on Abd.V about 0.4 as long as dens. All sensilla of thorax and medial sensilla of abdomen nearly as long as ordinary chaetae and hardly visible, lateral sensilla on Abd.III-V shorter than ordinary chaetae. Microsensilla absent. Sensillar formula 31/11221 (s), 00/000 (ms) (Fig. 21). Sensilla in posterior position. Microsensilla on Abd.I absent (Fig. 22).</paragraph>
<paragraph lastPageId="10" lastPageNumber="11" pageId="9" pageNumber="10">
Unguis of normal shape, without inner tooth, two broad unequal lateral teeth. Upper subcoxa of Leg I-III with 1,1,4 chaetae, lower subcoxa with 1,6-7,7-8. Ti.
<normalizedToken originalValue="I–III">I-III</normalizedToken>
with 20, 21,&gt;25 chaetae. Distal tibiotarsal tenent chaetae on Ti.
<normalizedToken originalValue="I–III">I-III</normalizedToken>
(1-2-2) well developed, not clavate, about 1.1-1.2 as long as U.III. Each tibiotarsus with one additional tenent chaeta at middle part. Ti.III with one stick-like chaetae (A7) in distal ring. Tenent hairs (1,2,2) slightly longer than U.III. Pretarsus with two chaetae.
<pageBreakToken pageId="10" pageNumber="11" start="start">Ventral</pageBreakToken>
tube with 4+4 laterodistal and 4 posterior chaetae in one transversal row. Tenaculum with 4+4 teeth and 1 chaeta. Anterior furcal subcoxa with 12-14 chaetae, posterior with 6 ones (rarely 5). Manubrium principally as in previous species. Dens slender, anteriorly with 10-12 chaetae. Posterior side of dens slightly crenulated in the medial part, with 5 chaetae of which 3 basal and 2 at the medial part (short inner and long outer) set together on low papillum. Mucro slender with two teeth of unequal size (Fig. 24). Ratio of manubrium: dens: mucro = 3.7-3.8: 4.0-5.0: 1. Anal lobes without microchaetae.
</paragraph>
<caption pageId="10" pageNumber="11">
<paragraph pageId="10" pageNumber="11">
Figures 21-24.
<taxonomicName class="Collembola" family="Isotomidae" genus="Pauropygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pauropygus pacificus" order="Entomobryomorpha" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="pacificus">Pauropygus pacificus</taxonomicName>
sp. n. 21 sensillar chaetotaxy 22 lateral part of Abd.I 23 anterior part of head, lateral view (group of basolateral chaetae marked, outer maxillary lobe and labial palp not shown) 24 furca, lateral view.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="10" pageNumber="11" type="affinity">
<paragraph pageId="10" pageNumber="11">Affinity.</paragraph>
<paragraph pageId="10" pageNumber="11">
The complete absence of microsensilla on body of
<taxonomicName class="Collembola" family="Isotomidae" genus="Pauropygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pauropygus pacificus" order="Entomobryomorpha" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="pacificus">Pauropygus pacificus</taxonomicName>
sp. n. is the second reported case among
<taxonomicName family="Isotomidae" lsidName="" pageId="10" pageNumber="11" rank="family">Isotomidae</taxonomicName>
(so far only known in
<taxonomicName class="Collembola" family="Isotomidae" genus="Proisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proisotoma minima" order="Entomobryomorpha" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="minima">Proisotoma minima</taxonomicName>
). This peculiarity remains the only difference between
<taxonomicName class="Collembola" family="Isotomidae" genus="Pauropygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pauropygus pacificus" order="Entomobryomorpha" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="pacificus">Pauropygus pacificus</taxonomicName>
sp. n. and
<taxonomicName class="Collembola" family="Isotomidae" genus="Pauropygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pauropygus caussaneli" order="Entomobryomorpha" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="caussaneli">Pauropygus caussaneli</taxonomicName>
. Taking into consideration also the different distribution ranges of these species we prefer to consider them as two independent species.
</paragraph>
</subSubSection>
<subSubSection pageId="10" pageNumber="11" type="name derivation">
<paragraph pageId="10" pageNumber="11">Name derivation.</paragraph>
<paragraph pageId="10" pageNumber="11">The species is probably distributed in the sands all over the Pacific coast of China.</paragraph>
</subSubSection>
<subSubSection lastPageId="12" lastPageNumber="13" pageId="10" pageNumber="11" type="distribution">
<paragraph pageId="10" pageNumber="11">Distribution.</paragraph>
<paragraph pageId="10" pageNumber="11">Known from two distant localities on Pacific coast of China.</paragraph>
<subSection pageId="11" pageNumber="12" type="taxonomical remarks on genera similar to pauropygus">
<paragraph pageId="11" pageNumber="12">
<pageBreakToken pageId="11" pageNumber="12" start="start">Taxonomical</pageBreakToken>
remarks on genera similar to
<taxonomicName class="Collembola" family="Isotomidae" genus="Pauropygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pauropygus" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Pauropygus</taxonomicName>
</paragraph>
<paragraph pageId="11" pageNumber="12">
Examination of numerous species of the
<taxonomicName class="Collembola" family="Isotomidae" genus="Cryptopygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cryptopygus" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Cryptopygus</taxonomicName>
complex revealed that six genera of this complex share the posterior position of sensilla on the three first abdominal segments. Like in other taxa of
<taxonomicName family="Isotomidae" lsidName="" pageId="11" pageNumber="12" rank="family">Isotomidae</taxonomicName>
, as for instance in
<taxonomicName class="Collembola" family="Isotomidae" genus="Proisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proisotoma" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Proisotoma</taxonomicName>
complex (Potapov et al., 2006) and in species groups of
<taxonomicName class="Collembola" family="Isotomidae" genus="Folsomia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Folsomia" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Folsomia</taxonomicName>
(Grow &amp; Christiansen, 1976;
<bibRefCitation author="Deharveng, L" journalOrPublisher="Travaux du Laboratoire d'Ecobiologie des Arthropodes Edaphiques, Toulouse" pageId="13" pageNumber="14" pagination="1 - 15" title="Chetotaxie sensillaire et phylogenese chez les Collemboles Arthropleona." volume="1" year="1979">Deharveng, 1979</bibRefCitation>
), the position of medial sensilla on abdominal tergites (within or well in front of posterior row of chaetae) is taxonomically very relevant at supraspecific level. The posterior position of sensilla is shared by several genera of the
<taxonomicName class="Collembola" family="Isotomidae" genus="Cryptopygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cryptopygus" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Cryptopygus</taxonomicName>
complex and not necessarily indicates close relationships, but rather might be a result of convergent evolution. It is for instance the case in the genus
<taxonomicName class="Collembola" family="Isotomidae" genus="Micrisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Micrisotoma" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Micrisotoma</taxonomicName>
Bellinger, 1952 which also belongs to
<taxonomicName class="Collembola" family="Isotomidae" genus="Cryptopygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cryptopygus" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Cryptopygus</taxonomicName>
complex and shows relationships with
<taxonomicName class="Collembola" family="Isotomidae" genus="Hemisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hemisotoma" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Hemisotoma</taxonomicName>
Bagnall, 1949 in which sensilla are in mid-tergal position (type species
<taxonomicName class="Collembola" family="Isotomidae" genus="Isotomina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Isotomina thermophila" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="species" species="thermophila">Isotomina thermophila</taxonomicName>
).
</paragraph>
<paragraph pageId="11" pageNumber="12">
To figure out the relation between these genera, we propose below a key to the genera of the
<taxonomicName class="Collembola" family="Isotomidae" genus="Cryptopygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cryptopygus" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Cryptopygus</taxonomicName>
complex with posterior position of sensilla on three first abdominal segments.
<taxonomicName class="Collembola" family="Isotomidae" genus="Pauropygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pauropygus projectus" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="species" species="projectus">Pauropygus projectus</taxonomicName>
sp. n. lost posterior sensilla and can be identified by pleural fold; the loss of mentioned sensilla is probably shared with several species of
<taxonomicName class="Collembola" family="Isotomidae" genus="Arlea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Arlea" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Arlea</taxonomicName>
but descriptions do not give information on these characters. The position of the odd genus
<taxonomicName class="Collembola" family="Isotomidae" genus="Appendisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Appendisotoma" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Appendisotoma</taxonomicName>
is not fully decided: six species studied by us (
<taxonomicName class="Collembola" family="Isotomidae" genus="Appendisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Appendisotoma abiskoensis" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="species" species="abiskoensis">Appendisotoma abiskoensis</taxonomicName>
(Agrell),
<taxonomicName class="Collembola" family="Isotomidae" genus="Appendisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Appendisotoma bisetosa" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="species" species="bisetosa">Appendisotoma bisetosa</taxonomicName>
Martynova (types),
<taxonomicName class="Collembola" family="Isotomidae" genus="Appendisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Appendisotoma sibirica" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="species" species="sibirica">Appendisotoma sibirica</taxonomicName>
Stebaeva (types), and three species from Far East Russia and North America) have 11 apical chaetae on tibiotarsi while other four (
<taxonomicName class="Collembola" family="Isotomidae" genus="Appendisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Appendisotoma stebayevae" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="species" species="stebayevae">Appendisotoma stebayevae</taxonomicName>
(Grinbergs),
<taxonomicName class="Collembola" family="Isotomidae" genus="Appendisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Appendisotoma montana" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="species" species="montana">Appendisotoma montana</taxonomicName>
(Martynova),
<taxonomicName class="Collembola" family="Isotomidae" genus="Appendisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Appendisotoma juliannae" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="species" species="juliannae">Appendisotoma juliannae</taxonomicName>
(Traser et al.), and one species from Kazakhstan) show common set for the subfamily (7 chaetae). We include the genus
<taxonomicName class="Collembola" family="Isotomidae" genus="Appendisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Appendisotoma" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Appendisotoma</taxonomicName>
in the key since it formally matches the diagnosis of
<taxonomicName class="Collembola" family="Isotomidae" genus="Cryptopygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cryptopygus" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Cryptopygus</taxonomicName>
complex.
</paragraph>
</subSection>
<subSection lastPageId="12" lastPageNumber="13" pageId="11" pageNumber="12" type="key to genera of cryptopygus complex with sensilla in posterior position on body tergites">
<paragraph pageId="11" pageNumber="12">
Key to genera of
<taxonomicName class="Collembola" family="Isotomidae" genus="Cryptopygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cryptopygus" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Cryptopygus</taxonomicName>
complex with sensilla in posterior position on body tergites
</paragraph>
<paragraph lastPageId="12" lastPageNumber="13" pageId="11" pageNumber="12">
<table lastPageId="12" lastPageNumber="13" pageId="11" pageNumber="12">
<tr pageId="11" pageNumber="12">
<td colspan="1" pageId="11" pageNumber="12" rowspan="1">Figs 25-26</td>
<td colspan="1" pageId="11" pageNumber="12" rowspan="1">
<taxonomicName class="Collembola" family="Isotomidae" genus="Appendisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Appendisotoma" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Appendisotoma</taxonomicName>
</td>
</tr>
<tr pageId="11" pageNumber="12">
<td colspan="1" pageId="11" pageNumber="12" rowspan="1">Figs 27-29</td>
</tr>
<tr pageId="11" pageNumber="12">
<td colspan="1" pageId="11" pageNumber="12" rowspan="1">
<taxonomicName class="Collembola" family="Isotomidae" genus="Arlea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Arlea" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Arlea</taxonomicName>
</td>
</tr>
<tr pageId="11" pageNumber="12">
<td colspan="1" pageId="11" pageNumber="12" rowspan="1">Fig. 27</td>
<td colspan="1" pageId="11" pageNumber="12" rowspan="1">
<taxonomicName class="Collembola" family="Isotomidae" genus="Micrisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Micrisotoma" order="Entomobryomorpha" pageId="11" pageNumber="12" phylum="Arthropoda" rank="genus">Micrisotoma</taxonomicName>
</td>
</tr>
<tr pageId="11" pageNumber="12">
<td colspan="1" pageId="11" pageNumber="12" rowspan="1">Figs 828, 29</td>
</tr>
<tr pageId="12" pageNumber="13">
<td colspan="1" pageId="12" pageNumber="13" rowspan="1">
<pageBreakToken pageId="12" pageNumber="13" start="start">Fig</pageBreakToken>
. 20
</td>
<td colspan="1" pageId="12" pageNumber="13" rowspan="1">
<taxonomicName class="Collembola" family="Isotomidae" genus="Pauropygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pauropygus" order="Entomobryomorpha" pageId="12" pageNumber="13" phylum="Arthropoda" rank="genus">Pauropygus</taxonomicName>
</td>
</tr>
<tr pageId="12" pageNumber="13">
<td colspan="1" pageId="12" pageNumber="13" rowspan="1">Fig. 28</td>
<td colspan="1" pageId="12" pageNumber="13" rowspan="1">
<taxonomicName class="Collembola" family="Isotomidae" genus="Proisotomodes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proisotomodes" order="Entomobryomorpha" pageId="12" pageNumber="13" phylum="Arthropoda" rank="genus">Proisotomodes</taxonomicName>
</td>
</tr>
<tr pageId="12" pageNumber="13">
<td colspan="1" pageId="12" pageNumber="13" rowspan="1">Fig. 29</td>
<td colspan="1" pageId="12" pageNumber="13" rowspan="1">
<taxonomicName class="Collembola" family="Isotomidae" genus="Isotominella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Isotominella" order="Entomobryomorpha" pageId="12" pageNumber="13" phylum="Arthropoda" rank="genus">Isotominella</taxonomicName>
</td>
</tr>
</table>
</paragraph>
<paragraph pageId="12" pageNumber="13">
The key is based on examination of three species of
<taxonomicName class="Collembola" family="Isotomidae" genus="Pauropygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pauropygus" order="Entomobryomorpha" pageId="12" pageNumber="13" phylum="Arthropoda" rank="genus">Pauropygus</taxonomicName>
, four of
<taxonomicName class="Collembola" family="Isotomidae" genus="Proisotomodes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proisotomodes" order="Entomobryomorpha" pageId="12" pageNumber="13" phylum="Arthropoda" rank="genus">Proisotomodes</taxonomicName>
(one undescribed), two of
<taxonomicName class="Collembola" family="Isotomidae" genus="Isotominella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Isotominella" order="Entomobryomorpha" pageId="12" pageNumber="13" phylum="Arthropoda" rank="genus">Isotominella</taxonomicName>
(one undescribed), eight of
<taxonomicName class="Collembola" family="Isotomidae" genus="Appendisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Appendisotoma" order="Entomobryomorpha" pageId="12" pageNumber="13" phylum="Arthropoda" rank="genus">Appendisotoma</taxonomicName>
(two undescribed), and one of
<taxonomicName class="Collembola" family="Isotomidae" genus="Micrisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Micrisotoma" order="Entomobryomorpha" pageId="12" pageNumber="13" phylum="Arthropoda" rank="genus">Micrisotoma</taxonomicName>
.
</paragraph>
<caption pageId="12" pageNumber="13">
<paragraph pageId="12" pageNumber="13">
Figures 25-29. Sensillar chaetotaxy of genera of
<taxonomicName class="Collembola" family="Isotomidae" genus="Cryptopygus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cryptopygus" order="Entomobryomorpha" pageId="12" pageNumber="13" phylum="Arthropoda" rank="genus">Cryptopygus</taxonomicName>
complex with abdominal sensilla in posterior position. 25
<taxonomicName class="Collembola" family="Isotomidae" genus="Appendisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Appendisotoma bisetosa" order="Entomobryomorpha" pageId="12" pageNumber="13" phylum="Arthropoda" rank="species" species="bisetosa">Appendisotoma bisetosa</taxonomicName>
Martynova, 1969 26
<taxonomicName class="Collembola" family="Isotomidae" genus="Appendisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Appendisotoma abiskoensis" order="Entomobryomorpha" pageId="12" pageNumber="13" phylum="Arthropoda" rank="species" species="abiskoensis">Appendisotoma abiskoensis</taxonomicName>
(Agrell, 1939) 27
<taxonomicName class="Collembola" family="Isotomidae" genus="Micrisotoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Micrisotoma achromata" order="Entomobryomorpha" pageId="12" pageNumber="13" phylum="Arthropoda" rank="species" species="achromata">Micrisotoma achromata</taxonomicName>
Bellinger, 1952 28
<taxonomicName class="Collembola" family="Isotomidae" genus="Proisotomodes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proisotomodes bipunctatus" order="Entomobryomorpha" pageId="12" pageNumber="13" phylum="Arthropoda" rank="species" species="bipunctatus">Proisotomodes bipunctatus</taxonomicName>
(Axelson, 1903) 29
<taxonomicName class="Collembola" family="Isotomidae" genus="Isotominella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Isotominella geophila" order="Entomobryomorpha" pageId="12" pageNumber="13" phylum="Arthropoda" rank="species" species="geophila">Isotominella geophila</taxonomicName>
Delamare Deboutteville, 1948. f foil chaetae.
</paragraph>
</caption>
</subSection>
</subSubSection>
</treatment>
</document>
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