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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1117.83539" ID-Pensoft-Pub="1313-2970-1117-203" ID-Pensoft-UUID="76BC5EBEBEA65F82903D460EBF22B366" ID-ZooBank="B2596F5CFE214B3EAAECDE33FF394CEC" ModsDocID="1313-2970-1117-203" checkinTime="1660625102094" checkinUser="pensoft" docAuthor="El Alami, Majida, Benlasri, Mokhtar, Sartori, Michel, Vuataz, Laurent &amp; Ghamizi, Mohamed" docDate="2022" docId="7E5B6A0BC24054D1860BEFB396008C61" docLanguage="en" docName="ZooKeys 1117: 203-218" docOrigin="ZooKeys 1117" docPubDate="2022-08-15" docSource="http://dx.doi.org/10.3897/zookeys.1117.83539" docTitle="Prosopistoma maroccanum El Alami, Benlasri &amp; Sartori 2022, sp. nov." docType="treatment" docUuid="9C03C91D-8E32-47C7-9FD1-DE01A7093072" docUuidSource="ZooBank" docVersion="2" id="76BC5EBEBEA65F82903D460EBF22B366" lastPageNumber="203" masterDocId="76BC5EBEBEA65F82903D460EBF22B366" masterDocTitle="A new species of the genus Prosopistoma Latreille, 1833 (Ephemeroptera, Prosopistomatidae) from Morocco" masterLastPageNumber="218" masterPageNumber="203" pageNumber="203" updateTime="1660625402855" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>A new species of the genus Prosopistoma Latreille, 1833 (Ephemeroptera, Prosopistomatidae) from Morocco</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>El Alami, Majida</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-2664-646X</mods:nameIdentifier>
<mods:affiliation>Laboratoire Ecologie, Systematique, Conservation de la Biodiversite (LESCB), Unite de Recherche Labellisee CNRST N ° 18, Universite Abdelmalek Essaadi, Faculte des Sciences, Departement de Biologie, B. P. 2121 93002, Tetouan, Morocco</mods:affiliation>
<mods:nameIdentifier type="email">elalami.majida@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Benlasri, Mokhtar</mods:namePart>
<mods:affiliation>Museum d'Histoire Naturelle de Marrakech, Universite Cadi Ayyad, Faculte des Sciences, Semlalia, B. P. 2390, Marrakech, Morocco</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Sartori, Michel</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-3397-3397</mods:nameIdentifier>
<mods:affiliation>Museum of Zoology, Palais de Rumine, Place Riponne 6, CH- 1005, Lausanne, Switzerland &amp; Department of Ecology and Evolution, Lausanne University, CH- 1015, Lausanne, Switzerland</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Vuataz, Laurent</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-9193-8683</mods:nameIdentifier>
<mods:affiliation>Museum of Zoology, Palais de Rumine, Place Riponne 6, CH- 1005, Lausanne, Switzerland &amp; Department of Ecology and Evolution, Lausanne University, CH- 1015, Lausanne, Switzerland</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ghamizi, Mohamed</mods:namePart>
<mods:affiliation>Museum d'Histoire Naturelle de Marrakech, Universite Cadi Ayyad, Faculte des Sciences, Semlalia, B. P. 2390, Marrakech, Morocco</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-08-15</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>1117</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>203</mods:start>
<mods:end>218</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.1117.83539</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1117.83539</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-1117-203</mods:identifier>
<mods:identifier type="ZooBank">B2596F5CFE214B3EAAECDE33FF394CEC</mods:identifier>
<mods:identifier type="Pensoft-UUID">76BC5EBEBEA65F82903D460EBF22B366</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:zoobank.org:act:9C03C91D-8E32-47C7-9FD1-DE01A7093072" httpUri="http://treatment.plazi.org/id/7E5B6A0BC24054D1860BEFB396008C61" lastPageNumber="203" pageId="0" pageNumber="203">
<subSubSection pageId="0" pageNumber="203" type="nomenclature">
<paragraph pageId="0" pageNumber="203">
<taxonomicName LSID="https://zoobank.org/9C03C91D-8E32-47C7-9FD1-DE01A7093072" authority="El Alami, Benlasri &amp; Sartori" authorityName="El Alami, Benlasri &amp; Sartori" authorityYear="2022" class="Insecta" family="Prosopistomatidae" genus="Prosopistoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Prosopistoma maroccanum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="maroccanum" status="sp. nov.">Prosopistoma maroccanum El Alami, Benlasri &amp; Sartori</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="203">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="203" type="materials_examined">
<paragraph pageId="0" pageNumber="203">Material examined.</paragraph>
<paragraph pageId="0" pageNumber="203">
<materialsCitation collectingDate="2021-12-14" collectorName="M. Benlasri" country="Morocco" county="Bzou village" elevation="372" latitude="32.101265" location="Beni-Mellal Province" longLatPrecision="1" longitude="-7.0440664" municipality="Oued Laabid" specimenCount="1" typeStatus="Holotype">
<emphasis bold="true" italics="true" pageId="0" pageNumber="203">
<typeStatus>Holotype</typeStatus>
</emphasis>
:
<collectingCountry name="Morocco">Morocco</collectingCountry>
• 1 nymph in ethanol;
<location LSID="urn:lsid:plazi:treatment:7E5B6A0BC24054D1860BEFB396008C61:A51FB81E7F60A04596934B96E1AA358C" country="Morocco" county="Bzou village" latitude="32.101265" longLatPrecision="1" longitude="-7.0440664" municipality="Oued Laabid" name="Beni-Mellal Province">
<normalizedToken originalValue="Béni-Mellal">Beni-Mellal</normalizedToken>
Province
</location>
,
<collectingMunicipality>Oued Laabid</collectingMunicipality>
, in
<collectingCounty>Bzou village</collectingCounty>
,
<geoCoordinate degrees="32" direction="north" minutes="6.076" orientation="latitude" precision="1" value="32.101265">32°6.076'N</geoCoordinate>
,
<geoCoordinate degrees="7" direction="west" minutes="2.644" orientation="longitude" precision="1" value="-7.0440664">7°2.644'W</geoCoordinate>
,
<quantity metricMagnitude="2" metricUnit="m" metricValue="3.72" unit="m" value="372.0">
<elevation metricMagnitude="2" metricUnit="m" metricValue="3.72" unit="m" value="372.0">372 m</elevation>
</quantity>
alt.,
<collectingDate value="2021-12-14">14 December 2021</collectingDate>
, coll.
<collectorName>M. Benlasri</collectorName>
(MZL GBIFCH01119080)
</materialsCitation>
.
<materialsCitation collectingDate="2016-03-06" collectingDateMax="2021-10-14" collectingDateMin="2016-03-06" collectorName="Coll. M. Benlasri, H. Hajjani" country="Morocco" county="Imdahen village" elevation="364" latitude="32.137535" location="Beni-Mellal Province" longLatPrecision="1" longitude="-7.0294" municipality="Oued Laabid" specimenCount="1" typeStatus="Paratypes">
<emphasis bold="true" italics="true" pageId="0" pageNumber="203">
<typeStatus>Paratypes</typeStatus>
</emphasis>
:
<collectingCountry name="Morocco">Morocco</collectingCountry>
• 1 nymph in ethanol, same data as holotype (MZL GBIFCH01119081); 1 nymph on slide, same data as
<typeStatus>holotype</typeStatus>
(MZL GBIFCH00608997; 7 nymphs in ethanol, same data as
<typeStatus>holotype</typeStatus>
(LESCB); 1 nymph on slide, same data (LESCB); 3 nymphs in ethanol, same sampling site,
<collectingDate value="2021-05-08">08 May 2021</collectingDate>
; 4 nymphs in ethanol, same sampling site,
<collectingDate value="2021-10-14">14 October 2021</collectingDate>
,
<collectorName>Coll. M. Benlasri</collectorName>
(MHNM) • 4 nymphs in ethanol,
<location LSID="urn:lsid:plazi:treatment:7E5B6A0BC24054D1860BEFB396008C61:127B8418CB3EDFBF8F775C409CBA23D6" country="Morocco" county="Imdahen village" latitude="32.137535" longLatPrecision="1" longitude="-7.0294" municipality="Oued Laabid" name="Beni-Mellal Province">
<normalizedToken originalValue="Béni-Mellal">Beni-Mellal</normalizedToken>
Province
</location>
,
<collectingMunicipality>Oued Laabid</collectingMunicipality>
, in
<collectingCounty>Imdahen village</collectingCounty>
,
<geoCoordinate degrees="32" direction="north" minutes="8.252" orientation="latitude" precision="1" value="32.137535">32°8.252'N</geoCoordinate>
,
<geoCoordinate degrees="7" direction="west" minutes="1.764" orientation="longitude" precision="1" value="-7.0294">7°1.764'W</geoCoordinate>
,
<quantity metricMagnitude="2" metricUnit="m" metricValue="3.6399999999999997" unit="m" value="364.0">
<elevation metricMagnitude="2" metricUnit="m" metricValue="3.6399999999999997" unit="m" value="364.0">364 m</elevation>
</quantity>
alt.,
<collectingDate value="2016-03-06">06 March 2016</collectingDate>
, coll.
<collectorName>H. Hajjani</collectorName>
(MZL GBIFCH00980869); 1 nymph on slide, same data (MZL GBIFCH00970951); 5 nymphs in ethanol, same data (LESCB); 5 nymphs in ethanol, same site,
<collectingDate value="2021-05-08">08 May 2021</collectingDate>
; 7 nymphs in ethanol, same site,
<collectingDate value="2021-10-14">14 October 2021</collectingDate>
,
<collectorName>Coll. M. Benlasri</collectorName>
(MHNM)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="203" type="description">
<paragraph pageId="0" pageNumber="203">Description.</paragraph>
<paragraph pageId="0" pageNumber="203">
<emphasis bold="true" pageId="0" pageNumber="203">Nymph</emphasis>
(in alcohol). Body length 3-4 mm excluding caudal filaments.
</paragraph>
<paragraph pageId="0" pageNumber="203">
Notal shield (carapace) length along median suture 2 mm and total length of body 4.0 mm. Carapace (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Nymphal dorsal view of Prosopistoma maroccanum sp. nov." figureDoi="10.3897/zookeys.1117.83539.figure3" httpUri="https://binary.pensoft.net/fig/729513" pageId="0" pageNumber="203">3</figureCitation>
), wider than long, width/length ratio: 1.15-1.25; head width/length ratio:2.5, head width/carapace width ratio: 0.58-0.60; distance between eyes/head width ratio: ca 0.53 for male nymphs and 0.58 for female nymphs. Carapace flange relatively wide (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Nymphal dorsal view of Prosopistoma maroccanum sp. nov." figureDoi="10.3897/zookeys.1117.83539.figure3" httpUri="https://binary.pensoft.net/fig/729513" pageId="0" pageNumber="203">3</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.1117.83539.figure3" httpUri="https://binary.pensoft.net/fig/729513" pageId="0" pageNumber="203" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="203">
<emphasis bold="true" pageId="0" pageNumber="203">Figure 3.</emphasis>
Nymphal dorsal view of
<taxonomicName authorityName="El Alami, Benlasri &amp; Sartori" authorityYear="2022" class="Insecta" family="Prosopistomatidae" genus="Prosopistoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Prosopistoma maroccanum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="maroccanum">
<emphasis italics="true" pageId="0" pageNumber="203">Prosopistoma maroccanum</emphasis>
</taxonomicName>
sp. nov.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="203">
<emphasis bold="true" pageId="0" pageNumber="203">
<emphasis italics="true" pageId="0" pageNumber="203">Head</emphasis>
.
</emphasis>
Yellowish-brown, with a brownish spot above the median ocellus and between antennae (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Nymphal dorsal view of Prosopistoma maroccanum sp. nov." figureDoi="10.3897/zookeys.1117.83539.figure3" httpUri="https://binary.pensoft.net/fig/729513" pageId="0" pageNumber="203">3</figureCitation>
). Compound eyes roughly oval, blackish, slightly larger than oval lateral ocelli in male nymphs (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Prosopistoma maroccanum sp. nov. A head of larva B antennae with 7 segments C antennae with 6 segments." figureDoi="10.3897/zookeys.1117.83539.figure4" httpUri="https://binary.pensoft.net/fig/729514" pageId="0" pageNumber="203">4A</figureCitation>
). Epicranial suture hardly discernible crossing the middle part of lateral ocelli, and between compound eyes and antennal bases (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Prosopistoma maroccanum sp. nov. A head of larva B antennae with 7 segments C antennae with 6 segments." figureDoi="10.3897/zookeys.1117.83539.figure4" httpUri="https://binary.pensoft.net/fig/729514" pageId="0" pageNumber="203">4A</figureCitation>
) and progressing to the
<normalizedToken originalValue="heads">head's</normalizedToken>
lateral margin. Antennae 7-segmented (including scape and pedicel) in mature nymphs (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Prosopistoma maroccanum sp. nov. A head of larva B antennae with 7 segments C antennae with 6 segments." figureDoi="10.3897/zookeys.1117.83539.figure4" httpUri="https://binary.pensoft.net/fig/729514" pageId="0" pageNumber="203">4B</figureCitation>
), 6-segmented in younger specimens (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Prosopistoma maroccanum sp. nov. A head of larva B antennae with 7 segments C antennae with 6 segments." figureDoi="10.3897/zookeys.1117.83539.figure4" httpUri="https://binary.pensoft.net/fig/729514" pageId="0" pageNumber="203">4C</figureCitation>
); segment III shorter than the total length of segment IV-VI or VII (respectively 0.64
<normalizedToken originalValue="×">x</normalizedToken>
and 0.95
<normalizedToken originalValue="×">x</normalizedToken>
), length of segment III/segments IV-V ratio: 1.18-1.21; antennae not extending beyond the
<normalizedToken originalValue="heads">head's</normalizedToken>
anterior edge.
</paragraph>
<caption doi="10.3897/zookeys.1117.83539.figure4" httpUri="https://binary.pensoft.net/fig/729514" pageId="0" pageNumber="203" start="Figure 4" startId="F4">
<paragraph pageId="0" pageNumber="203">
<emphasis bold="true" pageId="0" pageNumber="203">Figure 4.</emphasis>
<taxonomicName authorityName="El Alami, Benlasri &amp; Sartori" authorityYear="2022" class="Insecta" family="Prosopistomatidae" genus="Prosopistoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Prosopistoma maroccanum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="maroccanum">
<emphasis italics="true" pageId="0" pageNumber="203">Prosopistoma maroccanum</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="203">A</emphasis>
head of larva
<emphasis bold="true" pageId="0" pageNumber="203">B</emphasis>
antennae with 7 segments
<emphasis bold="true" pageId="0" pageNumber="203">C</emphasis>
antennae with 6 segments.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="203">
Labrum (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Prosopistoma maroccanum sp. nov. A labrum (dorsal view) B right mandible (ventral view) C bristles arising from base of inner canine D left maxilla (ventral view) E canine (c) and moveable strong dentisetae (d 1, d 2, d 3) F labium (ventral view) G labial-palp." figureDoi="10.3897/zookeys.1117.83539.figure5" httpUri="https://binary.pensoft.net/fig/729515" pageId="0" pageNumber="203">5A</figureCitation>
) narrow, 3.25
<normalizedToken originalValue="×">x</normalizedToken>
broader than long, anterior margin convex in medial section and straight laterally, anterior margin fringed with fine setae.
</paragraph>
<caption doi="10.3897/zookeys.1117.83539.figure5" httpUri="https://binary.pensoft.net/fig/729515" pageId="0" pageNumber="203" start="Figure 5" startId="F5">
<paragraph pageId="0" pageNumber="203">
<emphasis bold="true" pageId="0" pageNumber="203">Figure 5.</emphasis>
<taxonomicName authorityName="El Alami, Benlasri &amp; Sartori" authorityYear="2022" class="Insecta" family="Prosopistomatidae" genus="Prosopistoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Prosopistoma maroccanum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="maroccanum">
<emphasis italics="true" pageId="0" pageNumber="203">Prosopistoma maroccanum</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="203">A</emphasis>
labrum (dorsal view)
<emphasis bold="true" pageId="0" pageNumber="203">B</emphasis>
right mandible (ventral view)
<emphasis bold="true" pageId="0" pageNumber="203">C</emphasis>
bristles arising from base of inner canine
<emphasis bold="true" pageId="0" pageNumber="203">D</emphasis>
left maxilla (ventral view)
<emphasis bold="true" pageId="0" pageNumber="203">E</emphasis>
canine (c) and moveable strong dentisetae (d1, d2, d3)
<emphasis bold="true" pageId="0" pageNumber="203">F</emphasis>
labium (ventral view)
<emphasis bold="true" pageId="0" pageNumber="203">G</emphasis>
labial-palp.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="203">
Left and right mandibles similar (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Prosopistoma maroccanum sp. nov. A labrum (dorsal view) B right mandible (ventral view) C bristles arising from base of inner canine D left maxilla (ventral view) E canine (c) and moveable strong dentisetae (d 1, d 2, d 3) F labium (ventral view) G labial-palp." figureDoi="10.3897/zookeys.1117.83539.figure5" httpUri="https://binary.pensoft.net/fig/729515" pageId="0" pageNumber="203">5B</figureCitation>
). Outer canine distinctly longer and wider than inner canine with three apical teeth, inner one slightly longer than the two others. Outer margin of outer canine with 4-6 micro teeth, inner margin of outer canine with 4 or 5 micro teeth; first distal micro tooth large, conspicuous, more than twice as long and wider than others. Mandible inner canine, one-third shorter than outer canine, rod-shaped, apically bifurcate and forming a pair of elongate and thin pointed teeth with three subapical sharply pointed teeth. 6 or 7 long serrated bristles arising from base of inner canine (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Prosopistoma maroccanum sp. nov. A labrum (dorsal view) B right mandible (ventral view) C bristles arising from base of inner canine D left maxilla (ventral view) E canine (c) and moveable strong dentisetae (d 1, d 2, d 3) F labium (ventral view) G labial-palp." figureDoi="10.3897/zookeys.1117.83539.figure5" httpUri="https://binary.pensoft.net/fig/729515" pageId="0" pageNumber="203">5C</figureCitation>
); two first anterior bristles shorter than remaining, and one long simple bristle in the middle of outer margin of mandible.
</paragraph>
<paragraph pageId="0" pageNumber="203">
Maxillae (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Prosopistoma maroccanum sp. nov. A labrum (dorsal view) B right mandible (ventral view) C bristles arising from base of inner canine D left maxilla (ventral view) E canine (c) and moveable strong dentisetae (d 1, d 2, d 3) F labium (ventral view) G labial-palp." figureDoi="10.3897/zookeys.1117.83539.figure5" httpUri="https://binary.pensoft.net/fig/729515" pageId="0" pageNumber="203">5D, E</figureCitation>
) crowned by a rigid canine and three moveable, strong dentisetae of subequal length (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Prosopistoma maroccanum sp. nov. A labrum (dorsal view) B right mandible (ventral view) C bristles arising from base of inner canine D left maxilla (ventral view) E canine (c) and moveable strong dentisetae (d 1, d 2, d 3) F labium (ventral view) G labial-palp." figureDoi="10.3897/zookeys.1117.83539.figure5" httpUri="https://binary.pensoft.net/fig/729515" pageId="0" pageNumber="203">5E</figureCitation>
). A row of 2 or 3 strong serrated bristles appear below the dentisetae and a single finer bristle on proximal part of sclerotized galea (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Prosopistoma maroccanum sp. nov. A labrum (dorsal view) B right mandible (ventral view) C bristles arising from base of inner canine D left maxilla (ventral view) E canine (c) and moveable strong dentisetae (d 1, d 2, d 3) F labium (ventral view) G labial-palp." figureDoi="10.3897/zookeys.1117.83539.figure5" httpUri="https://binary.pensoft.net/fig/729515" pageId="0" pageNumber="203">5E</figureCitation>
). Maxillary palp 3-segmented; segment II long and clearly longer than segment I (1.3-1.5 times) (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Prosopistoma maroccanum sp. nov. A labrum (dorsal view) B right mandible (ventral view) C bristles arising from base of inner canine D left maxilla (ventral view) E canine (c) and moveable strong dentisetae (d 1, d 2, d 3) F labium (ventral view) G labial-palp." figureDoi="10.3897/zookeys.1117.83539.figure5" httpUri="https://binary.pensoft.net/fig/729515" pageId="0" pageNumber="203">5D</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="203">
Labial palps 3-segmented, reaching front margin of labium (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Prosopistoma maroccanum sp. nov. A labrum (dorsal view) B right mandible (ventral view) C bristles arising from base of inner canine D left maxilla (ventral view) E canine (c) and moveable strong dentisetae (d 1, d 2, d 3) F labium (ventral view) G labial-palp." figureDoi="10.3897/zookeys.1117.83539.figure5" httpUri="https://binary.pensoft.net/fig/729515" pageId="0" pageNumber="203">5F</figureCitation>
). Labial palp segment II 0.9
<normalizedToken originalValue="×">x</normalizedToken>
length of segment I, segment III 0.5
<normalizedToken originalValue="×">x</normalizedToken>
length of segment II (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Prosopistoma maroccanum sp. nov. A labrum (dorsal view) B right mandible (ventral view) C bristles arising from base of inner canine D left maxilla (ventral view) E canine (c) and moveable strong dentisetae (d 1, d 2, d 3) F labium (ventral view) G labial-palp." figureDoi="10.3897/zookeys.1117.83539.figure5" httpUri="https://binary.pensoft.net/fig/729515" pageId="0" pageNumber="203">5G</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="203">
<emphasis bold="true" pageId="0" pageNumber="203">
<emphasis italics="true" pageId="0" pageNumber="203">Thorax</emphasis>
.
</emphasis>
Carapace yellowish brown, with distinct ornamentation (Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Prosopistoma maroccanum sp. nov. A posteromedial part of carapace B scale-like pattern on femur (ventral view) C ventral margin of fore tibia D gill I E gill II F gill III G abdominal segments VII-IX." figureDoi="10.3897/zookeys.1117.83539.figure6" httpUri="https://binary.pensoft.net/fig/729516" pageId="0" pageNumber="203">6A</figureCitation>
) and four irregular brownish markings, two on each side of midline of central region of carapace at approximately 0.20
<normalizedToken originalValue="×">x</normalizedToken>
length of carapace from posterior margin of head (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Nymphal dorsal view of Prosopistoma maroccanum sp. nov." figureDoi="10.3897/zookeys.1117.83539.figure3" httpUri="https://binary.pensoft.net/fig/729513" pageId="0" pageNumber="203">3</figureCitation>
); also, there are markings from the anterior end of the carapace at approximately 60° angle to the midline; carapace flange and distal part of carapace transparent but not apparently translucent; relatively wide. Posteromedial part of carapace distinctly concave (Figs
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Nymphal dorsal view of Prosopistoma maroccanum sp. nov." figureDoi="10.3897/zookeys.1117.83539.figure3" httpUri="https://binary.pensoft.net/fig/729513" pageId="0" pageNumber="203">3</figureCitation>
,
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Prosopistoma maroccanum sp. nov. A posteromedial part of carapace B scale-like pattern on femur (ventral view) C ventral margin of fore tibia D gill I E gill II F gill III G abdominal segments VII-IX." figureDoi="10.3897/zookeys.1117.83539.figure6" httpUri="https://binary.pensoft.net/fig/729516" pageId="0" pageNumber="203">6A</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="203">
<emphasis bold="true" pageId="0" pageNumber="203">
<emphasis italics="true" pageId="0" pageNumber="203">Legs</emphasis>
.
</emphasis>
Fore femora with reticulate pattern on dorsal surface consisting of scale-like structures more accentuated at the anterior and posterior border (Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Prosopistoma maroccanum sp. nov. A posteromedial part of carapace B scale-like pattern on femur (ventral view) C ventral margin of fore tibia D gill I E gill II F gill III G abdominal segments VII-IX." figureDoi="10.3897/zookeys.1117.83539.figure6" httpUri="https://binary.pensoft.net/fig/729516" pageId="0" pageNumber="203">6B</figureCitation>
); dorsal margin of femora with simple and fine setae; ventral margin of fore tibia with 6-8 pectinate setae (Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Prosopistoma maroccanum sp. nov. A posteromedial part of carapace B scale-like pattern on femur (ventral view) C ventral margin of fore tibia D gill I E gill II F gill III G abdominal segments VII-IX." figureDoi="10.3897/zookeys.1117.83539.figure6" httpUri="https://binary.pensoft.net/fig/729516" pageId="0" pageNumber="203">6C</figureCitation>
). All tarsal claws sharp, slender, smooth, and without denticles.
</paragraph>
<paragraph pageId="0" pageNumber="203">
<emphasis bold="true" pageId="0" pageNumber="203">
<emphasis italics="true" pageId="0" pageNumber="203">Abdomen</emphasis>
.
</emphasis>
Abdominal gills (Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Prosopistoma maroccanum sp. nov. A posteromedial part of carapace B scale-like pattern on femur (ventral view) C ventral margin of fore tibia D gill I E gill II F gill III G abdominal segments VII-IX." figureDoi="10.3897/zookeys.1117.83539.figure6" httpUri="https://binary.pensoft.net/fig/729516" pageId="0" pageNumber="203">6D-F</figureCitation>
). Gill I upper portion lamellate with serrated margin, apically slightly asymmetric and rounded; lower section cleaved in numerous filaments with about 6-8 major branches divided into 17-22 filaments (Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Prosopistoma maroccanum sp. nov. A posteromedial part of carapace B scale-like pattern on femur (ventral view) C ventral margin of fore tibia D gill I E gill II F gill III G abdominal segments VII-IX." figureDoi="10.3897/zookeys.1117.83539.figure6" httpUri="https://binary.pensoft.net/fig/729516" pageId="0" pageNumber="203">6D</figureCitation>
). Gill II with rectangular lamella (ratio width/length ca 1.10); posterior margin and outer lateral margin concave with short, pointed spines; inner lateral margin convex without spines (Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Prosopistoma maroccanum sp. nov. A posteromedial part of carapace B scale-like pattern on femur (ventral view) C ventral margin of fore tibia D gill I E gill II F gill III G abdominal segments VII-IX." figureDoi="10.3897/zookeys.1117.83539.figure6" httpUri="https://binary.pensoft.net/fig/729516" pageId="0" pageNumber="203">6E</figureCitation>
), covering gills III-V appearing with multiple branching filaments, decreasing in number towards gill V (Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Prosopistoma maroccanum sp. nov. A posteromedial part of carapace B scale-like pattern on femur (ventral view) C ventral margin of fore tibia D gill I E gill II F gill III G abdominal segments VII-IX." figureDoi="10.3897/zookeys.1117.83539.figure6" httpUri="https://binary.pensoft.net/fig/729516" pageId="0" pageNumber="203">6F</figureCitation>
); gill III with 6 main stems; gill VI conical in shape, very small and unbranched. Abdominal segments VII-IX apparently angular with straight posterior margins; posterolateral projections nearly symmetric, with straight inner margins and relatively pointed apex (Fig.
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Prosopistoma maroccanum sp. nov. A posteromedial part of carapace B scale-like pattern on femur (ventral view) C ventral margin of fore tibia D gill I E gill II F gill III G abdominal segments VII-IX." figureDoi="10.3897/zookeys.1117.83539.figure6" httpUri="https://binary.pensoft.net/fig/729516" pageId="0" pageNumber="203">6G</figureCitation>
). Segment X rectangular, relatively longer than wider. Caudal filaments, retractile, short, plume-like.
</paragraph>
<caption doi="10.3897/zookeys.1117.83539.figure6" httpUri="https://binary.pensoft.net/fig/729516" pageId="0" pageNumber="203" start="Figure 6" startId="F6">
<paragraph pageId="0" pageNumber="203">
<emphasis bold="true" pageId="0" pageNumber="203">Figure 6.</emphasis>
<taxonomicName authorityName="El Alami, Benlasri &amp; Sartori" authorityYear="2022" class="Insecta" family="Prosopistomatidae" genus="Prosopistoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Prosopistoma maroccanum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="maroccanum">
<emphasis italics="true" pageId="0" pageNumber="203">Prosopistoma maroccanum</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="203">A</emphasis>
posteromedial part of carapace
<emphasis bold="true" pageId="0" pageNumber="203">B</emphasis>
scale-like pattern on femur (ventral view)
<emphasis bold="true" pageId="0" pageNumber="203">C</emphasis>
ventral margin of fore tibia
<emphasis bold="true" pageId="0" pageNumber="203">D</emphasis>
gill I
<emphasis bold="true" pageId="0" pageNumber="203">E</emphasis>
gill II
<emphasis bold="true" pageId="0" pageNumber="203">F</emphasis>
gill III
<emphasis bold="true" pageId="0" pageNumber="203">G</emphasis>
abdominal segments VII-IX.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="203">
<emphasis bold="true" pageId="0" pageNumber="203">
<emphasis italics="true" pageId="0" pageNumber="203">Imago</emphasis>
.
</emphasis>
Not known.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="203" type="morphological remark">
<paragraph pageId="0" pageNumber="203">Morphological remark.</paragraph>
<paragraph pageId="0" pageNumber="203">
As already mentioned by
<bibRefCitation DOI="https://doi.org/10.1111/j.1365-2311.1954.tb00768.x" author="Gillies, MT" journalOrPublisher="Transactions of the Royal Entomological Society of London" pageId="0" pageNumber="203" pagination="355 - 372" refId="B18" refString="Gillies, MT, 1954. The adult stages of Prosopistoma Latreille (Ephemeroptera) with descriptions of two new species from Africa. Transactions of the Royal Entomological Society of London 105 (15): 355 - 372, DOI: https://doi.org/10.1111/j.1365-2311.1954.tb00768.x" title="The adult stages of Prosopistoma Latreille (Ephemeroptera) with descriptions of two new species from Africa." url="https://doi.org/10.1111/j.1365-2311.1954.tb00768.x" volume="105" year="1954">Gillies (1954)</bibRefCitation>
and
<bibRefCitation author="Peters, WL" journalOrPublisher="Tijdschrift voor Entomologie" pageId="0" pageNumber="203" pagination="207 - 222" refId="B26" refString="Peters, WL, 1967. New species of Prosopistoma from the Oriental Region (Prosopistomatidae: Ephemeroptera). Tijdschrift voor Entomologie 110: 207 - 222" title="New species of Prosopistoma from the Oriental Region (Prosopistomatidae: Ephemeroptera)." volume="110" year="1967">Peters (1967)</bibRefCitation>
, and well documented by
<bibRefCitation DOI="https://doi.org/10.1080/01650420802642414" author="Dalkiran, N" journalOrPublisher="Aquatic Insects" pageId="0" pageNumber="203" pagination="119 - 131" refId="B12" refString="Dalkiran, N, 2009. A new species of Prosopistoma Latreille, 1833 (Ephemeroptera: Prosopistomatidae) from northwestern Turkey. Aquatic Insects 31 (2): 119 - 131, DOI: https://doi.org/10.1080/01650420802642414" title="A new species of Prosopistoma Latreille, 1833 (Ephemeroptera: Prosopistomatidae) from northwestern Turkey." url="https://doi.org/10.1080/01650420802642414" volume="31" year="2009">Dalkiran (2009)</bibRefCitation>
and
<bibRefCitation DOI="https://doi.org/10.11646/zoosymposia.11.1.6" author="Schletterer, M" journalOrPublisher="Zoosymposia" pageId="0" pageNumber="203" pagination="15 - 27" refId="B33" refString="Schletterer, M, Bauernfeind, E, Lechthaler, W, 2016. Larval redescription of Prosopistoma pennigerum (Mueller, 1785) from the River Volga near Rzhev, Tver Region, Russia (Insecta: Ephemeroptera). Zoosymposia 11: 15 - 27, DOI: https://doi.org/10.11646/zoosymposia.11.1.6" title="Larval redescription of Prosopistoma pennigerum (Mueller, 1785) from the River Volga near Rzhev, Tver Region, Russia (Insecta: Ephemeroptera)." url="https://doi.org/10.11646/zoosymposia.11.1.6" volume="11" year="2016">Schletterer et al. (2016)</bibRefCitation>
, the number of segments forming the antenna is subject to some variation. In
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. maroccanum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="maroccanum">
<emphasis italics="true" pageId="0" pageNumber="203">P. maroccanum</emphasis>
</taxonomicName>
, mature nymphs possess 7 segments, while younger ones have only 6 segments. Therefore, the ratio length of segment III vs length of the remaining segments is to be use cautiously and may have a taxonomic value only when applying to mature nymphs with 7 segments, since this ratio is around 0.95 (subequal) for 6-segmented antennae vs 0.65 (much shorter) for 7-segmented antennae.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="203" type="diagnosis">
<paragraph pageId="0" pageNumber="203">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="203">
The nymph of
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. maroccanum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="maroccanum">
<emphasis italics="true" pageId="0" pageNumber="203">P. maroccanum</emphasis>
</taxonomicName>
sp. nov. appears to be more closely similar to
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. pennigerum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="pennigerum">
<emphasis italics="true" pageId="0" pageNumber="203">P. pennigerum</emphasis>
</taxonomicName>
than to
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. alaini" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="alaini">
<emphasis italics="true" pageId="0" pageNumber="203">P. alaini</emphasis>
</taxonomicName>
from Algeria (Table
<tableCitation captionStart="Table 2" captionStartId="T2" captionText="Table 2. Morphological discriminant characters between the seven Prosopistoma species from the Western Palearctic." httpUri="http://table.plazi.org/id/90B3871DB0C2BDEEECFAD0AE425B5F37" pageId="0" pageNumber="203" tableUuid="90B3871DB0C2BDEEECFAD0AE425B5F37">2</tableCitation>
).
</paragraph>
<caption ID-Table-UUID="90B3871DB0C2BDEEECFAD0AE425B5F37" httpUri="http://table.plazi.org/id/90B3871DB0C2BDEEECFAD0AE425B5F37" pageId="0" pageNumber="203" start="Table 2" startId="T2">
<paragraph pageId="0" pageNumber="203">
<emphasis bold="true" pageId="0" pageNumber="203">Table 2.</emphasis>
Morphological discriminant characters between the seven
<taxonomicName authorityName="Latreille" authorityYear="1833" class="Insecta" family="Prosopistomatidae" genus="Prosopistoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Prosopistoma" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="203">Prosopistoma</emphasis>
</taxonomicName>
species from the Western Palearctic.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="203">
<table pageId="0" pageNumber="203">
<tr pageId="0" pageNumber="203">
<th colspan="1" pageId="0" pageNumber="203" rowspan="1">Characters</th>
<th colspan="1" pageId="0" pageNumber="203" rowspan="1">
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. maroccanum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="maroccanum">
<emphasis italics="true" pageId="0" pageNumber="203">P. maroccanum</emphasis>
</taxonomicName>
</th>
<th colspan="1" pageId="0" pageNumber="203" rowspan="1">
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. pennigerum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="pennigerum">
<emphasis italics="true" pageId="0" pageNumber="203">P. pennigerum</emphasis>
</taxonomicName>
</th>
<th colspan="1" pageId="0" pageNumber="203" rowspan="1">
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. alaini" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="alaini">
<emphasis italics="true" pageId="0" pageNumber="203">P. alaini</emphasis>
</taxonomicName>
</th>
<th colspan="1" pageId="0" pageNumber="203" rowspan="1">
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. oronti" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="oronti">
<emphasis italics="true" pageId="0" pageNumber="203">P. oronti</emphasis>
</taxonomicName>
</th>
<th colspan="1" pageId="0" pageNumber="203" rowspan="1">
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. orhanelicum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="orhanelicum">
<emphasis italics="true" pageId="0" pageNumber="203">P. orhanelicum</emphasis>
</taxonomicName>
</th>
<th colspan="1" pageId="0" pageNumber="203" rowspan="1">
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. turcica" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="turcica">
<emphasis italics="true" pageId="0" pageNumber="203">P. turcica</emphasis>
</taxonomicName>
</th>
<th colspan="1" pageId="0" pageNumber="203" rowspan="1">
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. helenae" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="helenae">
<emphasis italics="true" pageId="0" pageNumber="203">P. helenae</emphasis>
</taxonomicName>
</th>
</tr>
<tr pageId="0" pageNumber="203">
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">
Antennal segments in mature nymphs (
<emphasis italics="true" pageId="0" pageNumber="203">N</emphasis>
)
</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">7</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">6</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">7</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">5</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">7</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">6</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">6</td>
</tr>
<tr pageId="0" pageNumber="203">
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">Antenna reaching/not reaching anterior margin of head</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">not reaching</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">reaching</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">not reaching</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">not reaching</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">not reaching</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">not reaching</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">reaching</td>
</tr>
<tr pageId="0" pageNumber="203">
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">
Setae on the right mandible (
<emphasis italics="true" pageId="0" pageNumber="203">N</emphasis>
)
</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">6-7</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">7-8</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">8-9</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">7-9</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">7</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">5</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">5</td>
</tr>
<tr pageId="0" pageNumber="203">
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">
Subapical teeth on outer margin of outer canine (
<emphasis italics="true" pageId="0" pageNumber="203">N</emphasis>
)
</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">6-7</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">6-8</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">5</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">6-9</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">7-8</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">4-5</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">4-6</td>
</tr>
<tr pageId="0" pageNumber="203">
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">Pectinate setae on inner margin of fore tibia (N)</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">6-8</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">10-11</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">10-14</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">6-7</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">9-10</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">7</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">6-7</td>
</tr>
<tr pageId="0" pageNumber="203">
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">Filaments on gill I (N)</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">17-22</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">24-28</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">21-23</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">12-14</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">&gt;40</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">20-22</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">15-17</td>
</tr>
<tr pageId="0" pageNumber="203">
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">Lateral outer margin of gill II</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">concave</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">concave</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">concave</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">concave</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">concave</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">straight</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">straight</td>
</tr>
<tr pageId="0" pageNumber="203">
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">Shape of distal medial margin of carapace</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">distinctly concave</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">shallowly concave</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">straight</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">distinctly concave</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">convex</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">distinctly concave</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">distinctly concave</td>
</tr>
<tr pageId="0" pageNumber="203">
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">Ornamentation of the carapace</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">distinct</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">distinct</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">indistinct</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">distinct</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">indistinct</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">distinct</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">indistinct</td>
</tr>
<tr pageId="0" pageNumber="203">
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">Ratio carapace width / length</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">1.15-1.25</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">0.8-0.9</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">1.1</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">1.1-1.2</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">1.1-1.4</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">1.13</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">1.2-1.3</td>
</tr>
<tr pageId="0" pageNumber="203">
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">Distribution</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">Morocco</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">Europe</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">Algeria</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">Levant</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">Turkey</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">Turkey</td>
<td colspan="1" pageId="0" pageNumber="203" rowspan="1">Iraq</td>
</tr>
</table>
</paragraph>
<paragraph pageId="0" pageNumber="203">
Indeed, it differs from the latter in several aspects, mainly the distinct ornamentation of the carapace, the lower number of setae on the right mandible (6 vs 8-9), the more numerous subapical teeth on outer margin of the outer canine (6-7 vs 5), the number of maxillary dentisetae (3 vs 4), the distinctly concave distal medial margin of carapace (almost straight in
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. alaini" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="alaini">
<emphasis italics="true" pageId="0" pageNumber="203">P. alaini</emphasis>
</taxonomicName>
), and above all by the fewer pectinate setae on the inner margin of fore tibia (7-8 vs 10-14). This last character also separates
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. maroccanum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="maroccanum">
<emphasis italics="true" pageId="0" pageNumber="203">P. maroccanum</emphasis>
</taxonomicName>
from
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. pennigerum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="pennigerum">
<emphasis italics="true" pageId="0" pageNumber="203">P. pennigerum</emphasis>
</taxonomicName>
(10-11), as well as the number of antennal segments in mature nymphs (7 vs 6), the antenna not reaching the anterior margin of the head (reaching in
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. pennigerum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="pennigerum">
<emphasis italics="true" pageId="0" pageNumber="203">P. pennigerum</emphasis>
</taxonomicName>
), and the ratio width/length of the carapace higher in
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. maroccanum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="maroccanum">
<emphasis italics="true" pageId="0" pageNumber="203">P. maroccanum</emphasis>
</taxonomicName>
(1.25 vs 0.9). Furthermore, gill I has the apical tip of the dorsal lamina shorter in
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. maroccanum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="maroccanum">
<emphasis italics="true" pageId="0" pageNumber="203">P. maroccanum</emphasis>
</taxonomicName>
than in
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. pennigerum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="pennigerum">
<emphasis italics="true" pageId="0" pageNumber="203">P. pennigerum</emphasis>
</taxonomicName>
. In addition, the ventral filamentous part possesses a number of main stems which overlap (7-8 vs 8-10) but with a greater number of filaments in
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. pennigerum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="pennigerum">
<emphasis italics="true" pageId="0" pageNumber="203">P. pennigerum</emphasis>
</taxonomicName>
(24-28 vs 17-22).
<taxonomicName authorityName="El Alami, Benlasri &amp; Sartori" authorityYear="2022" class="Insecta" family="Prosopistomatidae" genus="Prosopistoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Prosopistoma maroccanum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="maroccanum">
<emphasis italics="true" pageId="0" pageNumber="203">Prosopistoma maroccanum</emphasis>
</taxonomicName>
differs from
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. oronti" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="oronti">
<emphasis italics="true" pageId="0" pageNumber="203">P. oronti</emphasis>
</taxonomicName>
mainly by the number of antennal segments (5 in
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. oronti" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="oronti">
<emphasis italics="true" pageId="0" pageNumber="203">P. oronti</emphasis>
</taxonomicName>
) and the length of segment II of the antenna shorter compared to the following segments (longer in
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. oronti" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="oronti">
<emphasis italics="true" pageId="0" pageNumber="203">P. oronti</emphasis>
</taxonomicName>
). It differs from
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. turcica" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="turcica">
<emphasis italics="true" pageId="0" pageNumber="203">P. turcica</emphasis>
</taxonomicName>
mainly by the number of antennal segments (6) and the setation of the right mandible, from
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. orhanelicum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="orhanelicum">
<emphasis italics="true" pageId="0" pageNumber="203">P. orhanelicum</emphasis>
</taxonomicName>
by the fewer subapical teeth on inner margin of outer canine (4-5 vs 6-7), the shape of the distal medial margin of the carapace (convex in
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. orhanelicum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="orhanelicum">
<emphasis italics="true" pageId="0" pageNumber="203">P. orhanelicum</emphasis>
</taxonomicName>
), and the fewer pectinate setae on the inner margin of fore tibiae (9-10 in
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. orhanelicum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="orhanelicum">
<emphasis italics="true" pageId="0" pageNumber="203">P. orhanelicum</emphasis>
</taxonomicName>
). From
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. helenae" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="helenae">
<emphasis italics="true" pageId="0" pageNumber="203">P. helenae</emphasis>
</taxonomicName>
,
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. maroccanum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="maroccanum">
<emphasis italics="true" pageId="0" pageNumber="203">P. maroccanum</emphasis>
</taxonomicName>
differs in having abdominal segments VII-IX angular (rounded in
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. helenae" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="helenae">
<emphasis italics="true" pageId="0" pageNumber="203">P. helenae</emphasis>
</taxonomicName>
) and in the number of antennal segments and length (antenna 6-segmented and reaching the anterior margin of the head in
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. helenae" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="helenae">
<emphasis italics="true" pageId="0" pageNumber="203">P. helenae</emphasis>
</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="203" type="ecology">
<paragraph pageId="0" pageNumber="203">Ecology.</paragraph>
<paragraph pageId="0" pageNumber="203">
<taxonomicName authorityName="El Alami, Benlasri &amp; Sartori" authorityYear="2022" class="Insecta" family="Prosopistomatidae" genus="Prosopistoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Prosopistoma maroccanum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="maroccanum">
<emphasis italics="true" pageId="0" pageNumber="203">Prosopistoma maroccanum</emphasis>
</taxonomicName>
sp. nov. was collected at two sites in the Laabid River, 117 km from Marrakech. The greatest density, 10 specimens, was recorded in December 2021 at site 2 (Imdahen locality; Fig.
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Sampling sites of Prosopistoma maroccanum sp. nov. A site 1 (Bzou locality) B site 2 (Imdahen locality)." figureDoi="10.3897/zookeys.1117.83539.figure7" httpUri="https://binary.pensoft.net/fig/729517" pageId="0" pageNumber="203">7B</figureCitation>
). At this site, the bottom structure was composed of 70% pebbles, 20% gravel, and 10% silt. During the sampling campaign, water temperatures were 22.4-23.7 °C, dissolved oxygen 6.57-8.26 mg/l, pH 8.05-8.17, and conductivity 977-999
<normalizedToken originalValue="µS">µS</normalizedToken>
/cm. The channel, about 6 m wide and about 20 cm deep, had a moderate current velocity and turbid water. There was almost no riparian vegetation along the stream banks and no submerged macrophyte cover.
<taxonomicName authorityName="Latreille" authorityYear="1833" class="Insecta" family="Prosopistomatidae" genus="Prosopistoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Prosopistoma" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="203">Prosopistoma</emphasis>
</taxonomicName>
species are very sensitive to organic pollution and habitat degradation (
<bibRefCitation DOI="https://doi.org/10.4001/003.018.0112" author="Barber-James, HM" journalOrPublisher="African Entomology" pageId="0" pageNumber="203" pagination="147 - 165" refId="B5" refString="Barber-James, HM, 2010a. Two new species of Prosopistomatidae (Ephemeroptera) from South Africa and Swaziland. African Entomology 18 (1): 147 - 165, DOI: https://doi.org/10.4001/003.018.0112" title="Two new species of Prosopistomatidae (Ephemeroptera) from South Africa and Swaziland." url="https://doi.org/10.4001/003.018.0112" volume="18" year="2010 a">Barber-James 2010a</bibRefCitation>
). However, there are small villages near the two sampled locations (Fig.
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Sampling sites of Prosopistoma maroccanum sp. nov. A site 1 (Bzou locality) B site 2 (Imdahen locality)." figureDoi="10.3897/zookeys.1117.83539.figure7" httpUri="https://binary.pensoft.net/fig/729517" pageId="0" pageNumber="203">7A, B</figureCitation>
) which probably increased the turbidity and organic pollution in the water. These impacts probably explain the low density, or the absence of this species, at other sampled sites. The ecological aspects such as microhabitat, nutrition, life history, and phenology of
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. maroccanum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="maroccanum">
<emphasis italics="true" pageId="0" pageNumber="203">P. maroccanum</emphasis>
</taxonomicName>
sp. nov. should be further investigated.
</paragraph>
<caption doi="10.3897/zookeys.1117.83539.figure7" httpUri="https://binary.pensoft.net/fig/729517" pageId="0" pageNumber="203" start="Figure 7" startId="F7">
<paragraph pageId="0" pageNumber="203">
<emphasis bold="true" pageId="0" pageNumber="203">Figure 7.</emphasis>
Sampling sites of
<taxonomicName authorityName="El Alami, Benlasri &amp; Sartori" authorityYear="2022" class="Insecta" family="Prosopistomatidae" genus="Prosopistoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Prosopistoma maroccanum" order="Ephemeroptera" pageId="0" pageNumber="203" phylum="Arthropoda" rank="species" species="maroccanum">
<emphasis italics="true" pageId="0" pageNumber="203">Prosopistoma maroccanum</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="203">A</emphasis>
site 1 (Bzou locality)
<emphasis bold="true" pageId="0" pageNumber="203">B</emphasis>
site 2 (Imdahen locality).
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>